!1189 内核mqueue 竞争漏洞修复

Merge pull request !1189 from hw_llm/master
Description: liteos_a 内核竞争漏洞修复
2024-05-11 03:01:05 +00:00 · 2024-05-10 20:05:39 +08:00 · 2024-03-26 07:19:04 +00:00 · 2024-03-14 07:52:29 +00:00 · 2024-03-13 09:38:42 +08:00 · 2024-02-05 07:22:47 +00:00
295 changed files with 16203 additions and 1339 deletions
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -202,6 +202,10 @@ config("warn_config") {
  ]
  if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
    cflags += [ "-Wno-address-of-packed-member" ]
+    cflags += [
+      "-Wno-unused-but-set-variable",
+      "-Wno-strict-prototypes",
+    ]
  }
  asmflags = cflags
 }
@@ -251,7 +255,13 @@ config("container_config") {
      "-DLOSCFG_IPC_CONTAINER",
      "-DLOSCFG_TIME_CONTAINER",
      "-DLOSCFG_USER_CONTAINER",
+      "-DLOSCFG_NET_CONTAINER",
      "-DLOSCFG_PROC_PROCESS_DIR",
+      "-DLOSCFG_KERNEL_PLIMITS",
+      "-DLOSCFG_KERNEL_MEM_PLIMIT",
+      "-DLOSCFG_KERNEL_IPC_PLIMIT",
+      "-DLOSCFG_KERNEL_DEV_PLIMIT",
+      "-DLOSCFG_KERNEL_SCHED_PLIMIT",
    ]
  }
 }
@@ -289,7 +299,7 @@ config("public") {

  configs += [
    "$HDFTOPDIR:public",
-    "//drivers/liteos:public",
+    "$DRIVERS_LITEOS_DIR:public",
  ]

  if (HAVE_DEVICE_SDK) {
@@ -314,8 +324,8 @@ group("modules") {
  ]

  deps += [
-    "//drivers/liteos",
-    HDFTOPDIR,
+    "$DRIVERS_LITEOS_DIR",
+    "$HDFTOPDIR",
  ]

  if (HAVE_DEVICE_SDK) {
@@ -341,7 +351,7 @@ group("liteos_a") {
    deps += [
      ":apps",
      ":tests",
-      "//third_party/musl/scripts/build_lite:strip",
+      "$THIRDPARTY_MUSL_DIR/scripts/build_lite:strip",
    ]
    if (liteos_skip_make == false) {
      deps += [ ":make" ]
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,64 +8,64 @@
 * A核代码静态告警定期清理 ([9ba725c](https://gitee.com/openharmony/kernel_liteos_a/commits/9ba725c3d486dd28fe9b2489b0f95a65354d7d86)), closes [#I4I0O8](https://gitee.com/openharmony/kernel_liteos_a/issues/I4I0O8)
 * change default permission of procfs to 0550 ([a776c04](https://gitee.com/openharmony/kernel_liteos_a/commits/a776c04a3da414f73ef7136a543c029cc6dd75be)), closes [#I4NY49](https://gitee.com/openharmony/kernel_liteos_a/issues/I4NY49)
 * change the execFile field in TCB to execVnode ([e4a0662](https://gitee.com/openharmony/kernel_liteos_a/commits/e4a06623ceb49b5bead60d45c0534db88b9c666f)), closes [#I4CLL9](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CLL9)
-* close file when process interpretor failed ([a375bf5](https://gitee.com/openharmony/kernel_liteos_a/commits/a375bf5668a5e86e082d0e124b538e423023a259)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* codex 清理 ([9ab3e35](https://gitee.com/openharmony/kernel_liteos_a/commits/9ab3e351d38cdae2ec083048a50a253bc2a3b604)), closes [#I4BL3](https://gitee.com/openharmony/kernel_liteos_a/issues/I4BL3)
+* close file when process interpretor failed ([a375bf5](https://gitee.com/openharmony/kernel_liteos_a/commits/a375bf5668a5e86e082d0e124b538e423023a259)), closes [#I4ATQX](https://gitee.com/openharmony/kernel_liteos_a/issues/I4ATQX)
+* codex 清理 ([9ab3e35](https://gitee.com/openharmony/kernel_liteos_a/commits/9ab3e351d38cdae2ec083048a50a253bc2a3b604)), closes [#I4BL3S](https://gitee.com/openharmony/kernel_liteos_a/issues/I4BL3S)
 * dyload open close failed ([5e87d8c](https://gitee.com/openharmony/kernel_liteos_a/commits/5e87d8c183471166294e2caa041ab4da8570c6a1)), closes [#I452Z7](https://gitee.com/openharmony/kernel_liteos_a/issues/I452Z7)
 * fix ppoll ([a55f68f](https://gitee.com/openharmony/kernel_liteos_a/commits/a55f68f957e9f8ad74bd9e0c1b3d27775e0f8c75))
 * fix some function declarations ([63fd8bc](https://gitee.com/openharmony/kernel_liteos_a/commits/63fd8bc39b21fffb6990f74e879eefecafad6c88))
 * implicit declaration of function 'syscall' in apps/shell ([bd0c083](https://gitee.com/openharmony/kernel_liteos_a/commits/bd0c0835fc58ed5f941dbbc9adfac74253eeb874))
 * LOS_Panic和魔法键功能中的使用PRINTK打印，依赖任务调度，特殊情况下存在打印不出来的问题 ([53addea](https://gitee.com/openharmony/kernel_liteos_a/commits/53addea304de09e0df457b690403ac652bbcea72)), closes [#I4NOC7](https://gitee.com/openharmony/kernel_liteos_a/issues/I4NOC7)
 * los_stat_pri.h中缺少依赖的头文件 ([2cd03c5](https://gitee.com/openharmony/kernel_liteos_a/commits/2cd03c55b7a614c648adc965ebfe494d491fe20f)), closes [#I4KEZ1](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KEZ1)
-* los_trace.h接口注释错误修正 ([6d24961](https://gitee.com/openharmony/kernel_liteos_a/commits/6d249618aecc216388f9b1a2b48fe0ac6dd19ff2)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* MMU竞态问题修复 ([748e0d8](https://gitee.com/openharmony/kernel_liteos_a/commits/748e0d8ffb6ee9c8757ed056f575e3abc6c10702)), closes [#I2](https://gitee.com/openharmony/kernel_liteos_a/issues/I2)
-* **mtd:** 去除mtd对hisilicon驱动的依赖 ([f7d010d](https://gitee.com/openharmony/kernel_liteos_a/commits/f7d010dfa4cb825096267528e131a9e2735d7505)), closes [#I49](https://gitee.com/openharmony/kernel_liteos_a/issues/I49)
-* OsFutexWaitParamCheck函数中absTime为0时，直接返回，不需要打印 ([3f71be7](https://gitee.com/openharmony/kernel_liteos_a/commits/3f71be75355f11037d9de80cc4d7da0f01905003)), closes [#I4D67](https://gitee.com/openharmony/kernel_liteos_a/issues/I4D67)
-* OsLockDepCheckIn异常处理中存在g_lockdepAvailable锁嵌套调用, ([bf030b6](https://gitee.com/openharmony/kernel_liteos_a/commits/bf030b6bb5843151a5b8b8736246a1376a5fb9d0)), closes [#I457](https://gitee.com/openharmony/kernel_liteos_a/issues/I457)
+* los_trace.h接口注释错误修正 ([6d24961](https://gitee.com/openharmony/kernel_liteos_a/commits/6d249618aecc216388f9b1a2b48fe0ac6dd19ff2)), closes [#I4CYPZ](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CYPZ)
+* MMU竞态问题修复 ([748e0d8](https://gitee.com/openharmony/kernel_liteos_a/commits/748e0d8ffb6ee9c8757ed056f575e3abc6c10702)), closes [#I2WARC](https://gitee.com/openharmony/kernel_liteos_a/issues/I2WARC)
+* **mtd:** 去除mtd对hisilicon驱动的依赖 ([f7d010d](https://gitee.com/openharmony/kernel_liteos_a/commits/f7d010dfa4cb825096267528e131a9e2735d7505)), closes [#I49FKL](https://gitee.com/openharmony/kernel_liteos_a/issues/I49FKL)
+* OsFutexWaitParamCheck函数中absTime为0时，直接返回，不需要打印 ([3f71be7](https://gitee.com/openharmony/kernel_liteos_a/commits/3f71be75355f11037d9de80cc4d7da0f01905003)), closes [#I4D67E](https://gitee.com/openharmony/kernel_liteos_a/issues/I4D67E)
+* OsLockDepCheckIn异常处理中存在g_lockdepAvailable锁嵌套调用, ([bf030b6](https://gitee.com/openharmony/kernel_liteos_a/commits/bf030b6bb5843151a5b8b8736246a1376a5fb9d0)), closes [#I457ZZ](https://gitee.com/openharmony/kernel_liteos_a/issues/I457ZZ)
 * pr模板补充说明 ([e3cd485](https://gitee.com/openharmony/kernel_liteos_a/commits/e3cd485db528490a16a8932d734faab263b44bc9))
-* same file mode for procfs files ([c79bcd0](https://gitee.com/openharmony/kernel_liteos_a/commits/c79bcd028e1be34b45cba000077230fa2ef95e68)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* same file mode for procfs files ([c79bcd0](https://gitee.com/openharmony/kernel_liteos_a/commits/c79bcd028e1be34b45cba000077230fa2ef95e68)), closes [#I4ACTC](https://gitee.com/openharmony/kernel_liteos_a/issues/I4ACTC)
 * shell支持exit退出，完善帮助信息，特殊处理不可见字符 ([cc6e112](https://gitee.com/openharmony/kernel_liteos_a/commits/cc6e11281e63b6bdc9be8e5d3c39f1258eb2ceaa))
 * smp初始化中副核冗余的启动框架调用 ([5ce70a5](https://gitee.com/openharmony/kernel_liteos_a/commits/5ce70a50c3733b6ec8cc4b444837e366ec837f69)), closes [#I4F8A5](https://gitee.com/openharmony/kernel_liteos_a/issues/I4F8A5)
-* solve SIGCHLD ignored in sigsuspend() ([5a80d4e](https://gitee.com/openharmony/kernel_liteos_a/commits/5a80d4e1a34c94204a0bb01443bf25a4fdb12750)), closes [#I47](https://gitee.com/openharmony/kernel_liteos_a/issues/I47)
+* solve SIGCHLD ignored in sigsuspend() ([5a80d4e](https://gitee.com/openharmony/kernel_liteos_a/commits/5a80d4e1a34c94204a0bb01443bf25a4fdb12750)), closes [#I47CKK](https://gitee.com/openharmony/kernel_liteos_a/issues/I47CKK)
 * syscall review bugfix ([214f44e](https://gitee.com/openharmony/kernel_liteos_a/commits/214f44e935277c29d347c50b553a31ea7df36448)), closes [#149](https://gitee.com/openharmony/kernel_liteos_a/issues/149)
-* **test:** misc09用例因依赖hosts文件而失败 ([f2f5c5f](https://gitee.com/openharmony/kernel_liteos_a/commits/f2f5c5fdc3202610de173e7046adab4df5e59142)), closes [re#I48IZ0](https://gitee.com/re/issues/I48IZ0)
-* **test:** 修复sys部分用例因依赖passwd、group文件而失败 ([614cdcc](https://gitee.com/openharmony/kernel_liteos_a/commits/614cdccf91bd2d220c4c76418b53400ce714c6cb)), closes [re#I48](https://gitee.com/re/issues/I48)
-* 中断中调用PRINTK概率卡死，导致系统不能正常响应中断 ([9726ba1](https://gitee.com/openharmony/kernel_liteos_a/commits/9726ba11a79f3d2d1e616e12ef0bb44e4fc5cd20)), closes [#I4C9](https://gitee.com/openharmony/kernel_liteos_a/issues/I4C9)
+* **test:** misc09用例因依赖hosts文件而失败 ([f2f5c5f](https://gitee.com/openharmony/kernel_liteos_a/commits/f2f5c5fdc3202610de173e7046adab4df5e59142)), closes [#I48IZ0](https://gitee.com/openharmony/kernel_liteos_a/issues/I48IZ0)
+* **test:** 修复sys部分用例因依赖passwd、group文件而失败 ([614cdcc](https://gitee.com/openharmony/kernel_liteos_a/commits/614cdccf91bd2d220c4c76418b53400ce714c6cb)), closes [#I48IUC](https://gitee.com/openharmony/kernel_liteos_a/issues/I48IUC)
+* 中断中调用PRINTK概率卡死，导致系统不能正常响应中断 ([9726ba1](https://gitee.com/openharmony/kernel_liteos_a/commits/9726ba11a79f3d2d1e616e12ef0bb44e4fc5cd20)), closes [#I4C9GC](https://gitee.com/openharmony/kernel_liteos_a/issues/I4C9GC)
 * 临终遗言重定向内容缺失task相关信息，对应的shell命令中申请的内存需要cacheline对齐 ([48ca854](https://gitee.com/openharmony/kernel_liteos_a/commits/48ca854bf07f8dcda9657f950601043a485a1b33)), closes [#I482S5](https://gitee.com/openharmony/kernel_liteos_a/issues/I482S5)
-* 优化liteipc任务状态，删除功能重复字段 ([5004ef4](https://gitee.com/openharmony/kernel_liteos_a/commits/5004ef4d87b54fb6d7f748ca8212ae155bcefac5)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 优化trace buffer初始化，删除swtmr 桩中的无效参数 ([b551270](https://gitee.com/openharmony/kernel_liteos_a/commits/b551270ef50cb206360e2eee3dd20ace5cecccb7)), closes [#I4DQ1](https://gitee.com/openharmony/kernel_liteos_a/issues/I4DQ1)
-* 修复 virpart.c 不适配的格式化打印问题 ([de29140](https://gitee.com/openharmony/kernel_liteos_a/commits/de29140edf2567f4847876cb1ed5e0b6857420f3)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 修复A核文档失效的问题 ([456d255](https://gitee.com/openharmony/kernel_liteos_a/commits/456d255a81c2031be8ebecc2bf897af80c3d3c7a)), closes [#I4U7](https://gitee.com/openharmony/kernel_liteos_a/issues/I4U7)
-* 修复A核测试用例失败的问题 ([59329ce](https://gitee.com/openharmony/kernel_liteos_a/commits/59329ce7c6b6a00084df427748e6283287a773c0)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 修复A核测试用例失败的问题 ([be68dc8](https://gitee.com/openharmony/kernel_liteos_a/commits/be68dc8bcaf8d965039ae1d792775f00a08adfac)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 优化liteipc任务状态，删除功能重复字段 ([5004ef4](https://gitee.com/openharmony/kernel_liteos_a/commits/5004ef4d87b54fb6d7f748ca8212ae155bcefac5)), closes [#I4FVHK](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FVHK)
+* 优化trace buffer初始化，删除swtmr 桩中的无效参数 ([b551270](https://gitee.com/openharmony/kernel_liteos_a/commits/b551270ef50cb206360e2eee3dd20ace5cecccb7)), closes [#I4DQ1X](https://gitee.com/openharmony/kernel_liteos_a/issues/I4DQ1X)
+* 修复 virpart.c 不适配的格式化打印问题 ([de29140](https://gitee.com/openharmony/kernel_liteos_a/commits/de29140edf2567f4847876cb1ed5e0b6857420f3)), closes [#I4PEVP](https://gitee.com/openharmony/kernel_liteos_a/issues/I4PEVP)
+* 修复A核文档失效的问题 ([456d255](https://gitee.com/openharmony/kernel_liteos_a/commits/456d255a81c2031be8ebecc2bf897af80c3d3c7a)), closes [#I4U7TF](https://gitee.com/openharmony/kernel_liteos_a/issues/I4U7TF)
+* 修复A核测试用例失败的问题 ([59329ce](https://gitee.com/openharmony/kernel_liteos_a/commits/59329ce7c6b6a00084df427748e6283287a773c0)), closes [#I4SQDR](https://gitee.com/openharmony/kernel_liteos_a/issues/I4SQDR)
+* 修复A核测试用例失败的问题 ([be68dc8](https://gitee.com/openharmony/kernel_liteos_a/commits/be68dc8bcaf8d965039ae1d792775f00a08adfac)), closes [#I4SQDP](https://gitee.com/openharmony/kernel_liteos_a/issues/I4SQDP)
 * 修复dispatch单词拼写错误。 ([9b07aec](https://gitee.com/openharmony/kernel_liteos_a/commits/9b07aece2dfa3494cf35e8b388410341508d6224)), closes [#I4BLE8](https://gitee.com/openharmony/kernel_liteos_a/issues/I4BLE8)
 * 修复futime提示错误22的BUG ([f2861dd](https://gitee.com/openharmony/kernel_liteos_a/commits/f2861ddfb424af7b99c278273601ce0fab1f37e6))
-* 修复jffs2适配层错误释放锁的BUG ([011a55f](https://gitee.com/openharmony/kernel_liteos_a/commits/011a55ff21d95f969abac60bcff96f4c4d7a326d)), closes [#I4FH9](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FH9)
-* 修复los_vm_scan.c中内部函数OsInactiveListIsLow冗余代码 ([bc32a1e](https://gitee.com/openharmony/kernel_liteos_a/commits/bc32a1ec0fa5d19c6d2672bcf4a01de5e1be3afb)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 修复jffs2适配层错误释放锁的BUG ([011a55f](https://gitee.com/openharmony/kernel_liteos_a/commits/011a55ff21d95f969abac60bcff96f4c4d7a326d)), closes [#I4FH9M](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FH9M)
+* 修复los_vm_scan.c中内部函数OsInactiveListIsLow冗余代码 ([bc32a1e](https://gitee.com/openharmony/kernel_liteos_a/commits/bc32a1ec0fa5d19c6d2672bcf4a01de5e1be3afb)), closes [#I4HKFF](https://gitee.com/openharmony/kernel_liteos_a/issues/I4HKFF)
 * 修复LOSCFG_FS_FAT_CACHE宏关闭后编译失败的BUG ([63e71fe](https://gitee.com/openharmony/kernel_liteos_a/commits/63e71feca05a8d46a49822c713258738740f0712)), closes [#I3T3N0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3T3N0)
 * 修复OsVmPhysFreeListAdd和OsVmPhysFreeListAddUnsafe函数内容重复 ([6827bd2](https://gitee.com/openharmony/kernel_liteos_a/commits/6827bd2a22b78aa05e20d6460412fc7b2d738929)), closes [#I4FL95](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FL95)
-* 修复PR520缺陷 ([4033891](https://gitee.com/openharmony/kernel_liteos_a/commits/40338918d9132399ee0494d331930a05b7a13c67)), closes [re#I4DEG5](https://gitee.com/re/issues/I4DEG5)
-* 修复shcmd.h需要用宏包起来的问题 ([6c4e4b1](https://gitee.com/openharmony/kernel_liteos_a/commits/6c4e4b16abe9c68fea43d40b2d39b4f0ed4bfc9c)), closes [#I4N50](https://gitee.com/openharmony/kernel_liteos_a/issues/I4N50)
-* 修复xts权限用例压测异常问题 ([b0d31cb](https://gitee.com/openharmony/kernel_liteos_a/commits/b0d31cb43f5a8d1c3da574b2b957e3b0e98b3067)), closes [#I3ZJ1](https://gitee.com/openharmony/kernel_liteos_a/issues/I3ZJ1)
-* 修复硬随机不可用时，地址随机化不可用问题 ([665c152](https://gitee.com/openharmony/kernel_liteos_a/commits/665c152c27bb86395ddd0395279255f6cdaf7255)), closes [#I4D4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4D4)
-* 修复进程用例导致门禁概率失败 ([1ed28b4](https://gitee.com/openharmony/kernel_liteos_a/commits/1ed28b4c80cfd222be08b0c2e71e6287e52bb276)), closes [#I4FO0](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FO0)
-* 修复进程线程不稳定用例 ([f6ac03d](https://gitee.com/openharmony/kernel_liteos_a/commits/f6ac03d3e3c56236adc5734d4c059f1fbcc9e0c1)), closes [#I4F1](https://gitee.com/openharmony/kernel_liteos_a/issues/I4F1)
-* 修复重复执行内存用例导致系统卡死问题 ([6c2b163](https://gitee.com/openharmony/kernel_liteos_a/commits/6c2b163c7d7c696ef89b17a0275f3cddb3d7cefb)), closes [#I4F7](https://gitee.com/openharmony/kernel_liteos_a/issues/I4F7)
-* 修改MMU模块的注释错误 ([1a8e22d](https://gitee.com/openharmony/kernel_liteos_a/commits/1a8e22dcf15944153e013d004fd7bbf24557a8c7)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 共享内存问题修复 ([9fdb80f](https://gitee.com/openharmony/kernel_liteos_a/commits/9fdb80f85f92d0167a0456455a94fc6f679797ce)), closes [#I47X2](https://gitee.com/openharmony/kernel_liteos_a/issues/I47X2)
-* 内核ERR打印，无进程和线程信息，不方便问题定位。 ([cb423f8](https://gitee.com/openharmony/kernel_liteos_a/commits/cb423f845462b8cc474c3cba261dadf3943a08ef)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 修复PR520缺陷 ([4033891](https://gitee.com/openharmony/kernel_liteos_a/commits/40338918d9132399ee0494d331930a05b7a13c67)), closes [#I4DEG5](https://gitee.com/openharmony/kernel_liteos_a/issues/I4DEG5)
+* 修复shcmd.h需要用宏包起来的问题 ([6c4e4b1](https://gitee.com/openharmony/kernel_liteos_a/commits/6c4e4b16abe9c68fea43d40b2d39b4f0ed4bfc9c)), closes [#I4N50W](https://gitee.com/openharmony/kernel_liteos_a/issues/I4N50W)
+* 修复xts权限用例压测异常问题 ([b0d31cb](https://gitee.com/openharmony/kernel_liteos_a/commits/b0d31cb43f5a8d1c3da574b2b957e3b0e98b3067)), closes [#I3ZJ1D](https://gitee.com/openharmony/kernel_liteos_a/issues/I3ZJ1D)
+* 修复硬随机不可用时，地址随机化不可用问题 ([665c152](https://gitee.com/openharmony/kernel_liteos_a/commits/665c152c27bb86395ddd0395279255f6cdaf7255)), closes [#I4D4TK](https://gitee.com/openharmony/kernel_liteos_a/issues/I4D4TK)
+* 修复进程用例导致门禁概率失败 ([1ed28b4](https://gitee.com/openharmony/kernel_liteos_a/commits/1ed28b4c80cfd222be08b0c2e71e6287e52bb276)), closes [#I4FO0N](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FO0N)
+* 修复进程线程不稳定用例 ([f6ac03d](https://gitee.com/openharmony/kernel_liteos_a/commits/f6ac03d3e3c56236adc5734d4c059f1fbcc9e0c1)), closes [#I4F1XL](https://gitee.com/openharmony/kernel_liteos_a/issues/I4F1XL)
+* 修复重复执行内存用例导致系统卡死问题 ([6c2b163](https://gitee.com/openharmony/kernel_liteos_a/commits/6c2b163c7d7c696ef89b17a0275f3cddb3d7cefb)), closes [#I4F7PO](https://gitee.com/openharmony/kernel_liteos_a/issues/I4F7PO)
+* 修改MMU模块的注释错误 ([1a8e22d](https://gitee.com/openharmony/kernel_liteos_a/commits/1a8e22dcf15944153e013d004fd7bbf24557a8c7)), closes [#I4KMMJ](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KMMJ)
+* 共享内存问题修复 ([9fdb80f](https://gitee.com/openharmony/kernel_liteos_a/commits/9fdb80f85f92d0167a0456455a94fc6f679797ce)), closes [#I47X2Z](https://gitee.com/openharmony/kernel_liteos_a/issues/I47X2Z)
+* 内核ERR打印，无进程和线程信息，不方便问题定位。 ([cb423f8](https://gitee.com/openharmony/kernel_liteos_a/commits/cb423f845462b8cc474c3cba261dadf3943a08ef)), closes [#I4DAKM](https://gitee.com/openharmony/kernel_liteos_a/issues/I4DAKM)
 * 内核ERR级别及以上的打印输出当前进程和线程名 ([540b201](https://gitee.com/openharmony/kernel_liteos_a/commits/540b2017c5460e300365d2039a08abd5945cec6b))
 * 内源检视测试用例问题修复 ([a6ac759](https://gitee.com/openharmony/kernel_liteos_a/commits/a6ac7597f85043ba6de3a1b395ca676d85c65ea7))
 * 删除冗余的头文件 ([8e614bb](https://gitee.com/openharmony/kernel_liteos_a/commits/8e614bb1616b75bc89eee7ad7da49b7a9c285b47)), closes [#I4KN63](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KN63)
-* 增加pselect SYSCALL函数及测试用例 ([f601c16](https://gitee.com/openharmony/kernel_liteos_a/commits/f601c16b9e67d531dda51fc18389a53db4360b7b)), closes [#I45](https://gitee.com/openharmony/kernel_liteos_a/issues/I45)
-* 增加内核epoll系统调用 ([2251b8a](https://gitee.com/openharmony/kernel_liteos_a/commits/2251b8a2d1f649422dd67f8551b085a7e0c63ec7)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 实现了musl库net模块中的一些函数接口和相应的测试用例 ([3d00a7d](https://gitee.com/openharmony/kernel_liteos_a/commits/3d00a7d23a96f29c138cfc1672825b90b9e0c05e)), closes [#I4JQI1](https://gitee.com/openharmony/kernel_liteos_a/issues/I4JQI1)
-* 添加进程线程冒烟用例 ([2be5968](https://gitee.com/openharmony/kernel_liteos_a/commits/2be59680f2fb0801b43522cd38cc387c8ff38766)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 用户态进程主线程退出时，其他子线程刚好进入异常处理流程会导致系统卡死 ([d955790](https://gitee.com/openharmony/kernel_liteos_a/commits/d955790a44a679421798ec1ac2900b4d75dd75a4)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 增加pselect SYSCALL函数及测试用例 ([f601c16](https://gitee.com/openharmony/kernel_liteos_a/commits/f601c16b9e67d531dda51fc18389a53db4360b7b)), closes [#I45SXU](https://gitee.com/openharmony/kernel_liteos_a/issues/I45SXU)
+* 增加内核epoll系统调用 ([2251b8a](https://gitee.com/openharmony/kernel_liteos_a/commits/2251b8a2d1f649422dd67f8551b085a7e0c63ec7)), closes [#I4FXPT](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FXPT)
+* 实现了musl库net模块中的一些函数接口和相应的测试用例 ([3d00a7d](https://gitee.com/openharmony/kernel_liteos_a/commits/3d00a7d23a96f29c138cfc1672825b90b9e0c05e)), closes [#I4JQI1](https://gitee.com/openharmony/third_party_musl/issues/I4JQI1)
+* 添加进程线程冒烟用例 ([2be5968](https://gitee.com/openharmony/kernel_liteos_a/commits/2be59680f2fb0801b43522cd38cc387c8ff38766)), closes [#I4EOGA](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EOGA)
+* 用户态进程主线程退出时，其他子线程刚好进入异常处理流程会导致系统卡死 ([d955790](https://gitee.com/openharmony/kernel_liteos_a/commits/d955790a44a679421798ec1ac2900b4d75dd75a4)), closes [#I4KGBT](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KGBT)
 * 编码规范修改 ([d161a0b](https://gitee.com/openharmony/kernel_liteos_a/commits/d161a0b03de046c05fff45a2b625631b4e45a347))
 * 编码规范问题修复 ([f60bc94](https://gitee.com/openharmony/kernel_liteos_a/commits/f60bc94cf231bc615ff6603ca0393b8fe33a8c47))
-* 编译框架在做编译入口的统一 ([bdb9864](https://gitee.com/openharmony/kernel_liteos_a/commits/bdb9864436a6f128a4c3891bbd63e3c60352689f)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 解决dmesg -s参数double lock问题 ([e151256](https://gitee.com/openharmony/kernel_liteos_a/commits/e1512566e322eb1fbc8f5d5997f9bfcd022feac7)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 进程退出前自己回收vmspace中的所有region ([298ccea](https://gitee.com/openharmony/kernel_liteos_a/commits/298ccea3fedaccc651b38973f0455fa1ce12e516)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 编译框架在做编译入口的统一 ([bdb9864](https://gitee.com/openharmony/kernel_liteos_a/commits/bdb9864436a6f128a4c3891bbd63e3c60352689f)), closes [#I4KRQN](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KRQN)
+* 解决dmesg -s参数double lock问题 ([e151256](https://gitee.com/openharmony/kernel_liteos_a/commits/e1512566e322eb1fbc8f5d5997f9bfcd022feac7)), closes [#I4HIJK](https://gitee.com/openharmony/kernel_liteos_a/issues/I4HIJK)
+* 进程退出前自己回收vmspace中的所有region ([298ccea](https://gitee.com/openharmony/kernel_liteos_a/commits/298ccea3fedaccc651b38973f0455fa1ce12e516)), closes [#I4CKQC](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CKQC)
 * 通过g_uart_fputc_en关闭打印后，shell进程不能正常启动 ([d21b05c](https://gitee.com/openharmony/kernel_liteos_a/commits/d21b05c0f69877130366ad37b852a0f30c11809d)), closes [#I4CTY2](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CTY2)
 * 针对pr是否同步至release分支，增加原因说明规则 ([b37a7b7](https://gitee.com/openharmony/kernel_liteos_a/commits/b37a7b79292d93dae6c4914952b5f3bb509e8721))
 * 非当前进程销毁时，销毁liteipc时错误的销毁了当前进程的liteipc资源 ([0f0e85b](https://gitee.com/openharmony/kernel_liteos_a/commits/0f0e85b7a6bf76d540925fbf661c483c8dba1cba)), closes [#I4FSA7](https://gitee.com/openharmony/kernel_liteos_a/issues/I4FSA7)
@@ -79,22 +79,22 @@
 ### Features


-* add option SIOCGIFBRDADDR for ioctl ([4ecc473](https://gitee.com/openharmony/kernel_liteos_a/commits/4ecc473843207d259613d26b8ee176d75e7f00fd)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* add sync() to vfs ([f67c4da](https://gitee.com/openharmony/kernel_liteos_a/commits/f67c4dae5141914df2e069dce0196b14780649d8)), closes [#I480](https://gitee.com/openharmony/kernel_liteos_a/issues/I480)
+* add option SIOCGIFBRDADDR for ioctl ([4ecc473](https://gitee.com/openharmony/kernel_liteos_a/commits/4ecc473843207d259613d26b8ee176d75e7f00fd)), closes [#I4DNRF](https://gitee.com/openharmony/kernel_liteos_a/issues/I4DNRF)
+* add sync() to vfs ([f67c4da](https://gitee.com/openharmony/kernel_liteos_a/commits/f67c4dae5141914df2e069dce0196b14780649d8)), closes [#I480HV](https://gitee.com/openharmony/kernel_liteos_a/issues/I480HV)
 * **build:** support gcc toolchain ([6e886d4](https://gitee.com/openharmony/kernel_liteos_a/commits/6e886d4233dec3b82a27642f174b920e5f98f6aa))
-* L0-L1 支持Perf ([6e0a3f1](https://gitee.com/openharmony/kernel_liteos_a/commits/6e0a3f10bbbfe29d110c050da927684b6d77b961)), closes [#I47I9](https://gitee.com/openharmony/kernel_liteos_a/issues/I47I9)
-* L0~L1 支持Lms ([e748fdb](https://gitee.com/openharmony/kernel_liteos_a/commits/e748fdbe578a1ddd8eb10b2e207042676231ba26)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* liteipc 静态内存优化 ([5237924](https://gitee.com/openharmony/kernel_liteos_a/commits/52379242c109e0cf442784dbe811ff9d42d5f33a)), closes [#I4G4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4G4)
-* page cache backed by vnode instead of filep ([38a6b80](https://gitee.com/openharmony/kernel_liteos_a/commits/38a6b804e9291d2fdbd189825ebd7d56165ec51c)), closes [#I44](https://gitee.com/openharmony/kernel_liteos_a/issues/I44)
+* L0-L1 支持Perf ([6e0a3f1](https://gitee.com/openharmony/kernel_liteos_a/commits/6e0a3f10bbbfe29d110c050da927684b6d77b961)), closes [#I47I9A](https://gitee.com/openharmony/kernel_liteos_a/issues/I47I9A)
+* L0~L1 支持Lms ([e748fdb](https://gitee.com/openharmony/kernel_liteos_a/commits/e748fdbe578a1ddd8eb10b2e207042676231ba26)), closes [#I4HYAV](https://gitee.com/openharmony/kernel_liteos_a/issues/I4HYAV)
+* liteipc 静态内存优化 ([5237924](https://gitee.com/openharmony/kernel_liteos_a/commits/52379242c109e0cf442784dbe811ff9d42d5f33a)), closes [#I4G4HP](https://gitee.com/openharmony/kernel_liteos_a/issues/I4G4HP)
+* page cache backed by vnode instead of filep ([38a6b80](https://gitee.com/openharmony/kernel_liteos_a/commits/38a6b804e9291d2fdbd189825ebd7d56165ec51c)), closes [#I44TBS](https://gitee.com/openharmony/kernel_liteos_a/issues/I44TBS)
 * 提供低功耗默认处理框架 ([212d1bd](https://gitee.com/openharmony/kernel_liteos_a/commits/212d1bd1e806530fe7e7a16ea986cb2c6fb084ed)), closes [#I4KBG9](https://gitee.com/openharmony/kernel_liteos_a/issues/I4KBG9)
-* 支持AT_RANDOM以增强用户态栈保护能力 ([06ea037](https://gitee.com/openharmony/kernel_liteos_a/commits/06ea03715f0cfb8728fadd0d9c19a403dc8f6028)), closes [#I4CB8](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CB8)
-* 支持L1 低功耗框架 ([64e49ab](https://gitee.com/openharmony/kernel_liteos_a/commits/64e49aba7c9c7d2280c5b3f29f04b17b63209855)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 支持LOS_TaskJoin 和 LOS_TaskDetach ([37bc11f](https://gitee.com/openharmony/kernel_liteos_a/commits/37bc11fa8837a3019a0a56702f401ec1845f6547)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 新增解析异常和backtrace信息脚本 ([7019fdf](https://gitee.com/openharmony/kernel_liteos_a/commits/7019fdfcbb33c660e8aa9fd399d5fccbd7e23b49)), closes [#I47](https://gitee.com/openharmony/kernel_liteos_a/issues/I47)
+* 支持AT_RANDOM以增强用户态栈保护能力 ([06ea037](https://gitee.com/openharmony/kernel_liteos_a/commits/06ea03715f0cfb8728fadd0d9c19a403dc8f6028)), closes [#I4CB8M](https://gitee.com/openharmony/kernel_liteos_a/issues/I4CB8M)
+* 支持L1 低功耗框架 ([64e49ab](https://gitee.com/openharmony/kernel_liteos_a/commits/64e49aba7c9c7d2280c5b3f29f04b17b63209855)), closes [#I4JSOT](https://gitee.com/openharmony/kernel_liteos_a/issues/I4JSOT)
+* 支持LOS_TaskJoin 和 LOS_TaskDetach ([37bc11f](https://gitee.com/openharmony/kernel_liteos_a/commits/37bc11fa8837a3019a0a56702f401ec1845f6547)), closes [#I4EENF](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EENF)
+* 新增解析异常和backtrace信息脚本 ([7019fdf](https://gitee.com/openharmony/kernel_liteos_a/commits/7019fdfcbb33c660e8aa9fd399d5fccbd7e23b49)), closes [#I47EVQ](https://gitee.com/openharmony/kernel_liteos_a/issues/I47EVQ)
 * 调度tick响应时间计算优化 ([f47da44](https://gitee.com/openharmony/kernel_liteos_a/commits/f47da44b39be7fa3e9b5031d7b79b9bef1fd4fbc))
 * 调度去进程化，优化进程线程依赖关系 ([dc479fb](https://gitee.com/openharmony/kernel_liteos_a/commits/dc479fb7bd9cb8441e4e47d44b42110ea07d76a2))
-* 调度相关模块间依赖优化 ([0e3936c](https://gitee.com/openharmony/kernel_liteos_a/commits/0e3936c4f8b8bcfc48d283a6d53413e0fc0619b3)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
-* 进程cpup占用率结构优化为动态分配 ([f06e090](https://gitee.com/openharmony/kernel_liteos_a/commits/f06e090a1085a654fd726fbc3c3a1c2bc703d663)), closes [#I4](https://gitee.com/openharmony/kernel_liteos_a/issues/I4)
+* 调度相关模块间依赖优化 ([0e3936c](https://gitee.com/openharmony/kernel_liteos_a/commits/0e3936c4f8b8bcfc48d283a6d53413e0fc0619b3)), closes [#I4RPRW](https://gitee.com/openharmony/kernel_liteos_a/issues/I4RPRW)
+* 进程cpup占用率结构优化为动态分配 ([f06e090](https://gitee.com/openharmony/kernel_liteos_a/commits/f06e090a1085a654fd726fbc3c3a1c2bc703d663)), closes [#I4GLNT](https://gitee.com/openharmony/kernel_liteos_a/issues/I4GLNT)
 * 进程rlimit修改为动态分配,减少静态内存占用 ([cf8446c](https://gitee.com/openharmony/kernel_liteos_a/commits/cf8446c94112ed6993a2e6e71e793d83a72689d5)), closes [#I4EZY5](https://gitee.com/openharmony/kernel_liteos_a/issues/I4EZY5)

 ### BREAKING CHANGES
@@ -137,33 +137,33 @@ LOS_LmsAddrDisableProtect去能指定内存段的访问保护

 ### Bug Fixes

-*  A核代码告警清零 ([698756d](https://gitee.com/openharmony/kernel_liteos_a/commits/698756d1e6dfb11b9f874c02ce6a1496646f2c27)), closes [#I4378](https://gitee.com/openharmony/kernel_liteos_a/issues/I4378)
+*  A核代码告警清零 ([698756d](https://gitee.com/openharmony/kernel_liteos_a/commits/698756d1e6dfb11b9f874c02ce6a1496646f2c27)), closes [#I4378T](https://gitee.com/openharmony/kernel_liteos_a/issues/I4378T)
 *  A核告警消除 ([d16bfd0](https://gitee.com/openharmony/kernel_liteos_a/commits/d16bfd005a6dae78df2df3ad55cf21e0716dfae9)), closes [#I46KF6](https://gitee.com/openharmony/kernel_liteos_a/issues/I46KF6)
 * 3518平台, 异常测试进程无法正常退出 ([23937a2](https://gitee.com/openharmony/kernel_liteos_a/commits/23937a239f50d1487e89f3184e4f4b933d6842c6)), closes [#I3V8R5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3V8R5)
-* add (void) to GetFileMappingList method ([56b8eca](https://gitee.com/openharmony/kernel_liteos_a/commits/56b8ecaf171671c0fe97f1dd1f191bebb7812a51)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* add (void) to GetFileMappingList method ([56b8eca](https://gitee.com/openharmony/kernel_liteos_a/commits/56b8ecaf171671c0fe97f1dd1f191bebb7812a51)), closes [#I3XPXY](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XPXY)
 * add capability and amend smoke testcase ([c9d69e2](https://gitee.com/openharmony/kernel_liteos_a/commits/c9d69e2d1bde57c67068cc36f6a79327d5db5daf))
 * add fchdir api ([e828cbd](https://gitee.com/openharmony/kernel_liteos_a/commits/e828cbdeac7d60bfd6ed98c75a9958ee8ec7b672))
 * add fchmod api ([2f214bf](https://gitee.com/openharmony/kernel_liteos_a/commits/2f214bf4de6c31875c77e84b1763e96bc5ceb669))
 * add fststfs api and unitest ([4c57aa2](https://gitee.com/openharmony/kernel_liteos_a/commits/4c57aa26ad3644ce2429effc8e8fe7fd3c52ebc2))
-* add product_path parameter for driver build ([88fe4eb](https://gitee.com/openharmony/kernel_liteos_a/commits/88fe4eb3e1eafa6d1e32c7b96579a07f5a8c6e35)), closes [#I3PQ10](https://gitee.com/openharmony/kernel_liteos_a/issues/I3PQ10)
+* add product_path parameter for driver build ([88fe4eb](https://gitee.com/openharmony/kernel_liteos_a/commits/88fe4eb3e1eafa6d1e32c7b96579a07f5a8c6e35)), closes [#I3PQ10](https://gitee.com/openharmony/drivers_adapter/issues/I3PQ10)
 * add syscall for ppoll & add 2 testcases ([defedb6](https://gitee.com/openharmony/kernel_liteos_a/commits/defedb6fdf0806da4a39e22408544cdfb405f2ff))
-* avoid compile warning ignored ([eca711b](https://gitee.com/openharmony/kernel_liteos_a/commits/eca711bb64a7c806ae34c8483cac73fe22b0104f)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* A核codex修改 ([ec977a1](https://gitee.com/openharmony/kernel_liteos_a/commits/ec977a1c7e9ba4ea6621ceb1d0d10e586148208d)), closes [#I40B1](https://gitee.com/openharmony/kernel_liteos_a/issues/I40B1)
-* BBOX使用预留物理内存缓存故障日志 ([2ad176e](https://gitee.com/openharmony/kernel_liteos_a/commits/2ad176e587d5ed7106831a25d386a88e26192e2b)), closes [#I41](https://gitee.com/openharmony/kernel_liteos_a/issues/I41)
+* avoid compile warning ignored ([eca711b](https://gitee.com/openharmony/kernel_liteos_a/commits/eca711bb64a7c806ae34c8483cac73fe22b0104f)), closes [#I3VOAO](https://gitee.com/openharmony/kernel_liteos_a/issues/I3VOAO)
+* A核codex修改 ([ec977a1](https://gitee.com/openharmony/kernel_liteos_a/commits/ec977a1c7e9ba4ea6621ceb1d0d10e586148208d)), closes [#I40B1S](https://gitee.com/openharmony/kernel_liteos_a/issues/I40B1S)
+* BBOX使用预留物理内存缓存故障日志 ([2ad176e](https://gitee.com/openharmony/kernel_liteos_a/commits/2ad176e587d5ed7106831a25d386a88e26192e2b)), closes [#I41YIZ](https://gitee.com/openharmony/kernel_liteos_a/issues/I41YIZ)
 * bootargs解析与rootfs挂载解耦，并支持自定义bootargs参数 ([80473f0](https://gitee.com/openharmony/kernel_liteos_a/commits/80473f0975fe6fd4c4eae3a8a473674ad2dd1293)), closes [#I41CL8](https://gitee.com/openharmony/kernel_liteos_a/issues/I41CL8)
 * **build:** clang10.0.1支持lto，去掉冗余判断 ([73223ae](https://gitee.com/openharmony/kernel_liteos_a/commits/73223ae7e652b7cd9f1e1848c32b2b2573d07b2a))
 * **build:** fix rootfsdir.sh target directory not exist ([21bf2b8](https://gitee.com/openharmony/kernel_liteos_a/commits/21bf2b889931787fb18ca7ea238291fd57e76d51)), closes [#I3NHQ0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NHQ0)
 * **build:** 去除冗余单板相关的宏配置 ([471de36](https://gitee.com/openharmony/kernel_liteos_a/commits/471de3663ea8b63f7448162edc0293b8723dcefc))
 * clang10 lld could not recognized Oz ([87a0006](https://gitee.com/openharmony/kernel_liteos_a/commits/87a0006d5e1976fdf5efe4be383921610eb04ec6))
-* clang相关编译选项隔离 ([77dcef4](https://gitee.com/openharmony/kernel_liteos_a/commits/77dcef4bc0c92d0141f7a3be0addd4d5cb533b0b)), closes [#I444](https://gitee.com/openharmony/kernel_liteos_a/issues/I444)
+* clang相关编译选项隔离 ([77dcef4](https://gitee.com/openharmony/kernel_liteos_a/commits/77dcef4bc0c92d0141f7a3be0addd4d5cb533b0b)), closes [#I444AV](https://gitee.com/openharmony/kernel_liteos_a/issues/I444AV)
 * codex ([101a55d](https://gitee.com/openharmony/kernel_liteos_a/commits/101a55d1199530d621f809976f0024aa8295cce8))
-* codex clean ([b5370af](https://gitee.com/openharmony/kernel_liteos_a/commits/b5370af822c8e81ed2248ac8aa3bb479a0db9dae)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* codex clean ([b5370af](https://gitee.com/openharmony/kernel_liteos_a/commits/b5370af822c8e81ed2248ac8aa3bb479a0db9dae)), closes [#I3UOFN](https://gitee.com/openharmony/kernel_liteos_a/issues/I3UOFN)
 * compile error when fatfs disabled ([fd3f407](https://gitee.com/openharmony/kernel_liteos_a/commits/fd3f4072b5c3dff710013ccdaddf114b0e13f435))
 * console compile bug fix ([f8441a0](https://gitee.com/openharmony/kernel_liteos_a/commits/f8441a0cdea301449416b0c0477dc48a05b6ab4e))
 * correct spelling ([c66fe03](https://gitee.com/openharmony/kernel_liteos_a/commits/c66fe0313f76ba41992b4864c93cf82934378ad3))
-* Correctly handle the return value of LOS_EventRead in QuickstartListen. ([0e0ab81](https://gitee.com/openharmony/kernel_liteos_a/commits/0e0ab81ff9474cffd5e60a8ee741840eac5d737b)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* Correctly handle the return value of LOS_EventRead in QuickstartListen. ([0e0ab81](https://gitee.com/openharmony/kernel_liteos_a/commits/0e0ab81ff9474cffd5e60a8ee741840eac5d737b)), closes [#I3PSLZ](https://gitee.com/openharmony/kernel_liteos_a/issues/I3PSLZ)
 * Ctrl-C move out of LOS_MAGIC_KEY_ENABLE ([40f239a](https://gitee.com/openharmony/kernel_liteos_a/commits/40f239a7d4673dc740c853b1011b5072e48385b7))
-* Delete useless 'exc interaction' macros and function declarations. ([d2f2679](https://gitee.com/openharmony/kernel_liteos_a/commits/d2f26790716c9f76589c4a7d6fa5518f9ccd743c)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* Delete useless 'exc interaction' macros and function declarations. ([d2f2679](https://gitee.com/openharmony/kernel_liteos_a/commits/d2f26790716c9f76589c4a7d6fa5518f9ccd743c)), closes [#I3SDKY](https://gitee.com/openharmony/kernel_liteos_a/issues/I3SDKY)
 * dereference NULL point bug fix ([deaa564](https://gitee.com/openharmony/kernel_liteos_a/commits/deaa564a66b83c9fe19a37b8a061ec9064ece354))
 * do not build toybox temporarily ([044f2c7](https://gitee.com/openharmony/kernel_liteos_a/commits/044f2c7c17c68e10aeccc3af0c222cfc722d194c))
 * do not override existing libs ([8118408](https://gitee.com/openharmony/kernel_liteos_a/commits/8118408123e75f7f5a4ab9101e388be6bba0dcda))
@@ -173,21 +173,21 @@ LOS_LmsAddrDisableProtect去能指定内存段的访问保护
 * Fix kernel page fault exception handling causing system exception. ([a89fb57](https://gitee.com/openharmony/kernel_liteos_a/commits/a89fb57f5795236b93fd19ee2d7a059cae1b2b1b)), closes [#I3RAN4](https://gitee.com/openharmony/kernel_liteos_a/issues/I3RAN4)
 * fix length typo ([12d98b1](https://gitee.com/openharmony/kernel_liteos_a/commits/12d98b144b70e726d3fd31ddc9d17ed855d0ec1b))
 * fix mq function by enable mq_notify api ([4427142](https://gitee.com/openharmony/kernel_liteos_a/commits/4427142d734df8f95f4599093392904abacc5c93))
-* Fix quickstart codingstyle ([2e011b6](https://gitee.com/openharmony/kernel_liteos_a/commits/2e011b672f6b96ea7e0db066a07e3f9fb6ba5df3)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* Fix quickstart codingstyle ([2e011b6](https://gitee.com/openharmony/kernel_liteos_a/commits/2e011b672f6b96ea7e0db066a07e3f9fb6ba5df3)), closes [#I3OPOM](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OPOM)
 * fix stored typo ([d25560f](https://gitee.com/openharmony/kernel_liteos_a/commits/d25560f8ac3216670d198cbbb25891c394e0b3c2))
 * fix syscall faccessat,fstatfs,fstatat & add 6 testcases ([aa1cd24](https://gitee.com/openharmony/kernel_liteos_a/commits/aa1cd245a5711e5b53c328b688da5ddc2e783d5f))
-* fix the inappropriate errno in FatFs ([af61187](https://gitee.com/openharmony/kernel_liteos_a/commits/af61187587411dca38ff62e720451f08f19c1c82)), closes [#I3O8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3O8)
+* fix the inappropriate errno in FatFs ([af61187](https://gitee.com/openharmony/kernel_liteos_a/commits/af61187587411dca38ff62e720451f08f19c1c82)), closes [#I3O8IF](https://gitee.com/openharmony/kernel_liteos_a/issues/I3O8IF)
 * fix typo in quickstart ([3b2ff4b](https://gitee.com/openharmony/kernel_liteos_a/commits/3b2ff4b71fc5ae1dc74180c33fd66f69da0059d1)), closes [#I3M1S8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3M1S8)
-* Fix wrong judgment in los_trace.c to avoid null pointer access. ([4d863e9](https://gitee.com/openharmony/kernel_liteos_a/commits/4d863e985b6372f7895db57b602b662dba5cadd0)), closes [#I3RT9](https://gitee.com/openharmony/kernel_liteos_a/issues/I3RT9)
+* Fix wrong judgment in los_trace.c to avoid null pointer access. ([4d863e9](https://gitee.com/openharmony/kernel_liteos_a/commits/4d863e985b6372f7895db57b602b662dba5cadd0)), closes [#I3RT9F](https://gitee.com/openharmony/kernel_liteos_a/issues/I3RT9F)
 * Identical condition 'ret<0', second condition is always false. :bug: ([1348809](https://gitee.com/openharmony/kernel_liteos_a/commits/1348809807548dd481286a55a6677a9169fcd705))
-* init进程收到子进程退出信号后，调用fork重新拉起进程，会导致系统卡死 ([35a2f3a](https://gitee.com/openharmony/kernel_liteos_a/commits/35a2f3af33a5dba1e0ba36587efced8fead97223)), closes [#I41](https://gitee.com/openharmony/kernel_liteos_a/issues/I41)
+* init进程收到子进程退出信号后，调用fork重新拉起进程，会导致系统卡死 ([35a2f3a](https://gitee.com/openharmony/kernel_liteos_a/commits/35a2f3af33a5dba1e0ba36587efced8fead97223)), closes [#I41HOY](https://gitee.com/openharmony/kernel_liteos_a/issues/I41HOY)
 * kernel crashed after rmdir the umounted folder ([ac0d083](https://gitee.com/openharmony/kernel_liteos_a/commits/ac0d083b1c89c4ad3fdaab0347d11f174d0185cb))
 * kernel crashed when delete a umounted folder ([f305d1f](https://gitee.com/openharmony/kernel_liteos_a/commits/f305d1f702a770010125a0f4f0152ffefeeec5c4))
 * kernel crashed when delete a umounted folder ([c6e9212](https://gitee.com/openharmony/kernel_liteos_a/commits/c6e921241b1cf26bcbfeea44e20f6b596512e259))
-* **kernel_test:** 内核mem/shm冒烟用例重复运行失败 ([0676578](https://gitee.com/openharmony/kernel_liteos_a/commits/0676578aae09c101d79e7a276823e849df293e29)), closes [#I3TH4](https://gitee.com/openharmony/kernel_liteos_a/issues/I3TH4)
-* L1 toybox 命令功能实现 ([2ff44c4](https://gitee.com/openharmony/kernel_liteos_a/commits/2ff44c4938d2e66ce60e9497c505eb6e97efc8c2)), closes [#I41N2](https://gitee.com/openharmony/kernel_liteos_a/issues/I41N2)
+* **kernel_test:** 内核mem/shm冒烟用例重复运行失败 ([0676578](https://gitee.com/openharmony/kernel_liteos_a/commits/0676578aae09c101d79e7a276823e849df293e29)), closes [#I3TH4W](https://gitee.com/openharmony/kernel_liteos_a/issues/I3TH4W)
+* L1 toybox 命令功能实现 ([2ff44c4](https://gitee.com/openharmony/kernel_liteos_a/commits/2ff44c4938d2e66ce60e9497c505eb6e97efc8c2)), closes [#I41N2A](https://gitee.com/openharmony/third_party_toybox/issues/I41N2A)
 * liteipc max data size too small ([4dc421e](https://gitee.com/openharmony/kernel_liteos_a/commits/4dc421e3decdaae60219d533c4a93dbc9334e35f))
-* LiteOS_A BBOX Codex整改 ([6a5a032](https://gitee.com/openharmony/kernel_liteos_a/commits/6a5a0326d2b18ffacce5d38fb351530973c2f245)), closes [#I43](https://gitee.com/openharmony/kernel_liteos_a/issues/I43)
+* LiteOS_A BBOX Codex整改 ([6a5a032](https://gitee.com/openharmony/kernel_liteos_a/commits/6a5a0326d2b18ffacce5d38fb351530973c2f245)), closes [#I43RQU](https://gitee.com/openharmony/kernel_liteos_a/issues/I43RQU)
 * Liteos-a创建的文件夹在Ubuntu中不可见 ([a9fc1e0](https://gitee.com/openharmony/kernel_liteos_a/commits/a9fc1e0e5d3e5eb8a34c568a8d147320a9afebe1)), closes [#I3XMY6](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XMY6)
 * lookup new vnode may cause parent vnode freeing ([902a11d](https://gitee.com/openharmony/kernel_liteos_a/commits/902a11de9a4b08e799820fb87942cb2171b9e095)), closes [#I3MYP4](https://gitee.com/openharmony/kernel_liteos_a/issues/I3MYP4)
 * **mini:** fix compile error in mini liteos_a ([e13cb3b](https://gitee.com/openharmony/kernel_liteos_a/commits/e13cb3bcc4e74d4c49c31d290d686f99a4e81e3f))
@@ -196,117 +196,117 @@ LOS_LmsAddrDisableProtect去能指定内存段的访问保护
 * mkdir -p is more robust ([e38f9a9](https://gitee.com/openharmony/kernel_liteos_a/commits/e38f9a98c9d373db8381af707c5996d1fefef64e))
 * mksh compile bug fix ([d8263b1](https://gitee.com/openharmony/kernel_liteos_a/commits/d8263b1e91d76706d52df321ef642c1c8297e8e4)), closes [#I3ZMR7](https://gitee.com/openharmony/kernel_liteos_a/issues/I3ZMR7)
 * modify event API description ([937734b](https://gitee.com/openharmony/kernel_liteos_a/commits/937734b1e9f5fc52e0ac727549bd2e4b4c864e3c))
-* move nuttx head file back ([4c8a86e](https://gitee.com/openharmony/kernel_liteos_a/commits/4c8a86ece7cafa8f74441bacc74c7788c0a1b780)), closes [#I4443](https://gitee.com/openharmony/kernel_liteos_a/issues/I4443)
-* nanosleep 接口的rmtp参数被错误清零 ([9458de9](https://gitee.com/openharmony/kernel_liteos_a/commits/9458de9ac664cd75540c8b638b9a6caf82812fc8)), closes [#I41U0](https://gitee.com/openharmony/kernel_liteos_a/issues/I41U0)
+* move nuttx head file back ([4c8a86e](https://gitee.com/openharmony/kernel_liteos_a/commits/4c8a86ece7cafa8f74441bacc74c7788c0a1b780)), closes [#I4443Q](https://gitee.com/openharmony/kernel_liteos_a/issues/I4443Q)
+* nanosleep 接口的rmtp参数被错误清零 ([9458de9](https://gitee.com/openharmony/kernel_liteos_a/commits/9458de9ac664cd75540c8b638b9a6caf82812fc8)), closes [#I41U0R](https://gitee.com/openharmony/kernel_liteos_a/issues/I41U0R)
 * no exception information output, when the system is abnormal ([5bf4d1c](https://gitee.com/openharmony/kernel_liteos_a/commits/5bf4d1c7128e6718611bbec23cb4373bcb3bfe55))
 * no exception information output, when the system is abnormal ([28aa777](https://gitee.com/openharmony/kernel_liteos_a/commits/28aa777191e7b41e4f1f346ab79f8688edc59c6d))
 * no exception information output, when the system is abnormal after holding ([0ed8adf](https://gitee.com/openharmony/kernel_liteos_a/commits/0ed8adfe3ae59672e284331d40ef3b9e0bc8e094))
-* Optimiz macro of quickstart cmd ([cb140a4](https://gitee.com/openharmony/kernel_liteos_a/commits/cb140a4442c02dd0b1925cc58deecbf4da36dcea)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* Optimize /dev/quickstart permissions. ([4e24b57](https://gitee.com/openharmony/kernel_liteos_a/commits/4e24b572897c33e1b2723122c0e13d3931096bae)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* Optimiz macro of quickstart cmd ([cb140a4](https://gitee.com/openharmony/kernel_liteos_a/commits/cb140a4442c02dd0b1925cc58deecbf4da36dcea)), closes [#I3OSYT](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OSYT)
+* Optimize /dev/quickstart permissions. ([4e24b57](https://gitee.com/openharmony/kernel_liteos_a/commits/4e24b572897c33e1b2723122c0e13d3931096bae)), closes [#I3OYUQ](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OYUQ)
 * Optimize quickstart node implementation ([4abd2e0](https://gitee.com/openharmony/kernel_liteos_a/commits/4abd2e0247b14718bb21756fb446142140d30a88)), closes [#I3R8O8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3R8O8)
-* OsGerCurrSchedTimeCycle 函数存在拼写错误 ([53ced1a](https://gitee.com/openharmony/kernel_liteos_a/commits/53ced1a85edc3d06230225ced3916772f432243f)), closes [#I446](https://gitee.com/openharmony/kernel_liteos_a/issues/I446)
-* OsGetArgsAddr声明所在头文件不正确 ([14bd753](https://gitee.com/openharmony/kernel_liteos_a/commits/14bd753aa8beb49af887c8d0aedaefa446409760)), closes [#I41](https://gitee.com/openharmony/kernel_liteos_a/issues/I41)
-* parent point of vnode found by VfsHashGet should be updated ([f32caa5](https://gitee.com/openharmony/kernel_liteos_a/commits/f32caa52c67eca20d58676be4e0439acbb4c5ac3)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* OsGerCurrSchedTimeCycle 函数存在拼写错误 ([53ced1a](https://gitee.com/openharmony/kernel_liteos_a/commits/53ced1a85edc3d06230225ced3916772f432243f)), closes [#I446CX](https://gitee.com/openharmony/kernel_liteos_a/issues/I446CX)
+* OsGetArgsAddr声明所在头文件不正确 ([14bd753](https://gitee.com/openharmony/kernel_liteos_a/commits/14bd753aa8beb49af887c8d0aedaefa446409760)), closes [#I41MWM](https://gitee.com/openharmony/kernel_liteos_a/issues/I41MWM)
+* parent point of vnode found by VfsHashGet should be updated ([f32caa5](https://gitee.com/openharmony/kernel_liteos_a/commits/f32caa52c67eca20d58676be4e0439acbb4c5ac3)), closes [#I3NNFA](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NNFA)
 * PathCacheFree try to free name field in struct PathCache ([9f47faf](https://gitee.com/openharmony/kernel_liteos_a/commits/9f47faff732609cf2249f104b94ed55f3ef133bb)), closes [#I3NTH9](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NTH9)
-* PathCacheMemoryDump miscalculate the RAM usage of PathCache ([87da7c7](https://gitee.com/openharmony/kernel_liteos_a/commits/87da7c794c9bc8e311ae5242820fbf8aefd8d558)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* PathCacheMemoryDump miscalculate the RAM usage of PathCache ([87da7c7](https://gitee.com/openharmony/kernel_liteos_a/commits/87da7c794c9bc8e311ae5242820fbf8aefd8d558)), closes [#I3OBXY](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OBXY)
 * Provide a separate configuration macro for boot environment in RAM. ([e28e06b](https://gitee.com/openharmony/kernel_liteos_a/commits/e28e06b08f5b28091153e584cb9d93014a9f2b10))
 * Provide a separate configuration macro for boot environment in RAM. ([bc67393](https://gitee.com/openharmony/kernel_liteos_a/commits/bc67393a67f714e0a8165b6103e53699c676341c))
-* Provide a separate configuration macro for boot environment in RAM. ([f13b90e](https://gitee.com/openharmony/kernel_liteos_a/commits/f13b90e4308ba3d60683799b9ce62fb3705ac277)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* race condition in liteipc ([7e2aef2](https://gitee.com/openharmony/kernel_liteos_a/commits/7e2aef2480b15f71ee0e089cef4443f578e03dbb)), closes [#I3PW5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3PW5)
+* Provide a separate configuration macro for boot environment in RAM. ([f13b90e](https://gitee.com/openharmony/kernel_liteos_a/commits/f13b90e4308ba3d60683799b9ce62fb3705ac277)), closes [#I3OADR](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OADR)
+* race condition in liteipc ([7e2aef2](https://gitee.com/openharmony/kernel_liteos_a/commits/7e2aef2480b15f71ee0e089cef4443f578e03dbb)), closes [#I3PW5Y](https://gitee.com/openharmony/kernel_liteos_a/issues/I3PW5Y)
 * rebuild mksh depends on rebuild.sh script ([bef4ab9](https://gitee.com/openharmony/kernel_liteos_a/commits/bef4ab9835dec865898c74337dfb7154718b94aa))
-* remove redundant headfile ([73a7777](https://gitee.com/openharmony/kernel_liteos_a/commits/73a777777e1b834192f6bb2c0e8bd03c69765c11)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* Remove redundant invalid codes ([fe05df4](https://gitee.com/openharmony/kernel_liteos_a/commits/fe05df40ae710632adb1bd54fb04ad4a8e0c1429)), closes [#I3R70](https://gitee.com/openharmony/kernel_liteos_a/issues/I3R70)
-* Show conflicting files for git apply or patch -p command ([35f7957](https://gitee.com/openharmony/kernel_liteos_a/commits/35f79579758644cbcac6005f894be21f34f42b99)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* remove redundant headfile ([73a7777](https://gitee.com/openharmony/kernel_liteos_a/commits/73a777777e1b834192f6bb2c0e8bd03c69765c11)), closes [#I3RTNR](https://gitee.com/openharmony/kernel_liteos_a/issues/I3RTNR)
+* Remove redundant invalid codes ([fe05df4](https://gitee.com/openharmony/kernel_liteos_a/commits/fe05df40ae710632adb1bd54fb04ad4a8e0c1429)), closes [#I3R70T](https://gitee.com/openharmony/kernel_liteos_a/issues/I3R70T)
+* Show conflicting files for git apply or patch -p command ([35f7957](https://gitee.com/openharmony/kernel_liteos_a/commits/35f79579758644cbcac6005f894be21f34f42b99)), closes [#I3NNUS](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NNUS)
 * SIOCGIFCONF ioctl malloc size error in kernel ([bfd27e7](https://gitee.com/openharmony/kernel_liteos_a/commits/bfd27e78b259eedbd4c30548e80c9b4d789d26e1)), closes [#I3XEZ3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XEZ3)
-* smp启动代码解耦及内存映射关系解耦 ([3bb3173](https://gitee.com/openharmony/kernel_liteos_a/commits/3bb3173604dc4dea09301f61da402974185dc112)), closes [#I41P8](https://gitee.com/openharmony/kernel_liteos_a/issues/I41P8)
-* some branch in format does not release the vnode mutex properly ([9b2b700](https://gitee.com/openharmony/kernel_liteos_a/commits/9b2b700fa0e3a8edadb38f09c917a3e3f013347f)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* smp启动代码解耦及内存映射关系解耦 ([3bb3173](https://gitee.com/openharmony/kernel_liteos_a/commits/3bb3173604dc4dea09301f61da402974185dc112)), closes [#I41P8Y](https://gitee.com/openharmony/kernel_liteos_a/issues/I41P8Y)
+* some branch in format does not release the vnode mutex properly ([9b2b700](https://gitee.com/openharmony/kernel_liteos_a/commits/9b2b700fa0e3a8edadb38f09c917a3e3f013347f)), closes [#I3OFAY](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OFAY)
 * Sortlink, the response time to insert the node should be inserted into the back of the existing node. ([1323874](https://gitee.com/openharmony/kernel_liteos_a/commits/1323874389030c55fb053fead12ca1c6654d8851)), closes [#I3PSJ8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3PSJ8)
-* statfs can't get f_bfree and f_bavail of a FAT12/FAT16 partition ([9503c4a](https://gitee.com/openharmony/kernel_liteos_a/commits/9503c4a9fc30aaa8ea2031d4fb794436f3c98055)), closes [#I3Q0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Q0)
-* SysOpenat返回值应该为进程fd，而非系统全局fd。 ([3457c0b](https://gitee.com/openharmony/kernel_liteos_a/commits/3457c0b11debb2cf5d4abe325c2510a750654512)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* the total used vnode number not increased after unlink a file under ([4f514a1](https://gitee.com/openharmony/kernel_liteos_a/commits/4f514a16af5a3f3b9c4ea182de774297afb17f66)), closes [#I3TS1](https://gitee.com/openharmony/kernel_liteos_a/issues/I3TS1)
-* tick 动态化计算优化，消除中断执行时间对系统总体时间的影响，保证软件定时器的响应精度。 ([8df3e8c](https://gitee.com/openharmony/kernel_liteos_a/commits/8df3e8c96515a1907455a9bbc61426f43c803c62)), closes [#I43](https://gitee.com/openharmony/kernel_liteos_a/issues/I43)
+* statfs can't get f_bfree and f_bavail of a FAT12/FAT16 partition ([9503c4a](https://gitee.com/openharmony/kernel_liteos_a/commits/9503c4a9fc30aaa8ea2031d4fb794436f3c98055)), closes [#I3Q0VS](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Q0VS)
+* SysOpenat返回值应该为进程fd，而非系统全局fd。 ([3457c0b](https://gitee.com/openharmony/kernel_liteos_a/commits/3457c0b11debb2cf5d4abe325c2510a750654512)), closes [#I3TNAK](https://gitee.com/openharmony/kernel_liteos_a/issues/I3TNAK)
+* the total used vnode number not increased after unlink a file under ([4f514a1](https://gitee.com/openharmony/kernel_liteos_a/commits/4f514a16af5a3f3b9c4ea182de774297afb17f66)), closes [#I3TS1Y](https://gitee.com/openharmony/kernel_liteos_a/issues/I3TS1Y)
+* tick 动态化计算优化，消除中断执行时间对系统总体时间的影响，保证软件定时器的响应精度。 ([8df3e8c](https://gitee.com/openharmony/kernel_liteos_a/commits/8df3e8c96515a1907455a9bbc61426f43c803c62)), closes [#I43UQJ](https://gitee.com/openharmony/kernel_liteos_a/issues/I43UQJ)
 * toybox update ([c3245b3](https://gitee.com/openharmony/kernel_liteos_a/commits/c3245b3ce317eb58c8dad58fdfc7f094b9b9794b))
-* toybox命令升级 ([76f45b3](https://gitee.com/openharmony/kernel_liteos_a/commits/76f45b3fb2783d1cab45a6ba08787c29dfa2c948)), closes [#I41N2](https://gitee.com/openharmony/kernel_liteos_a/issues/I41N2)
+* toybox命令升级 ([76f45b3](https://gitee.com/openharmony/kernel_liteos_a/commits/76f45b3fb2783d1cab45a6ba08787c29dfa2c948)), closes [#I41N2A](https://gitee.com/openharmony/third_party_toybox/issues/I41N2A)
 * update LOS_DL_LIST_IS_END comment ([900269b](https://gitee.com/openharmony/kernel_liteos_a/commits/900269bd4645252d898f6d3b73de01d8548c960c))
-* userfs分区的起始地址与大小改为通过bootargs配置 ([2e2b142](https://gitee.com/openharmony/kernel_liteos_a/commits/2e2b14205f4b81c7483ab42d62f144487097e9a4)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* VnodeInUseIter and VnodeFreeAll used to be recursive ([5f6656c](https://gitee.com/openharmony/kernel_liteos_a/commits/5f6656cb36a2ffb0b290aeb53981aba7501e80b2)), closes [#I3NN3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NN3)
-* 以g_sysSchedStartTime是否为0判断时间轴是否生效存在极限场景导致调度时间不生效 ([67ac8c4](https://gitee.com/openharmony/kernel_liteos_a/commits/67ac8c4c586adc371ece56700fd42371ca7fc885)), closes [#I45HP5](https://gitee.com/openharmony/kernel_liteos_a/issues/I45HP5)
+* userfs分区的起始地址与大小改为通过bootargs配置 ([2e2b142](https://gitee.com/openharmony/kernel_liteos_a/commits/2e2b14205f4b81c7483ab42d62f144487097e9a4)), closes [#I3XNEY](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XNEY)
+* VnodeInUseIter and VnodeFreeAll used to be recursive ([5f6656c](https://gitee.com/openharmony/kernel_liteos_a/commits/5f6656cb36a2ffb0b290aeb53981aba7501e80b2)), closes [#I3NN3U](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NN3U)
+* 以g_sysSchedStartTime是否为0判断时间轴是否生效存在极限场景导致调度时间不生效 ([67ac8c4](https://gitee.com/openharmony/kernel_liteos_a/commits/67ac8c4c586adc371ece56700fd42371ca7fc885)), closes [#I45HP5](https://gitee.com/openharmony/kernel_liteos_m/issues/I45HP5)
 * 修复FATFS中不同内部接口不支持FAT12/FAT16 FAT表结束标志 ([33f5c70](https://gitee.com/openharmony/kernel_liteos_a/commits/33f5c70e6c8781758d2bfde0f60ca3d6ec7d543f)), closes [#I409R6](https://gitee.com/openharmony/kernel_liteos_a/issues/I409R6)
-* 修复kill进程时，因liteipc阻塞的进程概率无法退出问题 ([7de43bb](https://gitee.com/openharmony/kernel_liteos_a/commits/7de43bb004a12f926550f0b36ca3c2fa610feb27)), closes [#I3XX7](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XX7)
+* 修复kill进程时，因liteipc阻塞的进程概率无法退出问题 ([7de43bb](https://gitee.com/openharmony/kernel_liteos_a/commits/7de43bb004a12f926550f0b36ca3c2fa610feb27)), closes [#I3XX7K](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XX7K)
 * 修复MagicKey数组越界访问 ([071cd62](https://gitee.com/openharmony/kernel_liteos_a/commits/071cd6268aeaaef702387dacaf4ef1ffbb7618fc)), closes [#I3U4N9](https://gitee.com/openharmony/kernel_liteos_a/issues/I3U4N9)
 * 修复mprotect修改地址区间的权限后，相应的区间名丢失问题 ([e425187](https://gitee.com/openharmony/kernel_liteos_a/commits/e425187d176a5e09bc5253faefc9cfc8454da0a3)), closes [#I43R40](https://gitee.com/openharmony/kernel_liteos_a/issues/I43R40)
-* 修复mq_close关闭后仍然占用文件描述符的问题 ([590c7b4](https://gitee.com/openharmony/kernel_liteos_a/commits/590c7b4e22662781d05ad035a785e985d573ec33)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* 修复mqueue问题 ([26ee8b8](https://gitee.com/openharmony/kernel_liteos_a/commits/26ee8b836e346e641de4ecd72284f5d377bca6f8)), closes [#I43P4](https://gitee.com/openharmony/kernel_liteos_a/issues/I43P4)
-* 修复sigwait等待到的信号值与获取的siginfo中的值不一致 ([ed7defb](https://gitee.com/openharmony/kernel_liteos_a/commits/ed7defbd439c345a07159d40eb04433afd530004)), closes [#I3M12](https://gitee.com/openharmony/kernel_liteos_a/issues/I3M12)
-* 修复了LOSCFG_FS_FAT_VIRTUAL_PARTITION宏开关错误作用域引起的功能错误 ([acda419](https://gitee.com/openharmony/kernel_liteos_a/commits/acda419a2d773ea890052a16ee66b4872f941fbb)), closes [#I3W1](https://gitee.com/openharmony/kernel_liteos_a/issues/I3W1)
-* 修复了内核的VFAT测试用例 ([a8384b5](https://gitee.com/openharmony/kernel_liteos_a/commits/a8384b5db2274d50a350910d7cfd3fc36b4f4103)), closes [#I3XF3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XF3)
+* 修复mq_close关闭后仍然占用文件描述符的问题 ([590c7b4](https://gitee.com/openharmony/kernel_liteos_a/commits/590c7b4e22662781d05ad035a785e985d573ec33)), closes [#I3ZQDA](https://gitee.com/openharmony/kernel_liteos_a/issues/I3ZQDA)
+* 修复mqueue问题 ([26ee8b8](https://gitee.com/openharmony/kernel_liteos_a/commits/26ee8b836e346e641de4ecd72284f5d377bca6f8)), closes [#I43P4T](https://gitee.com/openharmony/kernel_liteos_a/issues/I43P4T)
+* 修复sigwait等待到的信号值与获取的siginfo中的值不一致 ([ed7defb](https://gitee.com/openharmony/kernel_liteos_a/commits/ed7defbd439c345a07159d40eb04433afd530004)), closes [#I3M12H](https://gitee.com/openharmony/kernel_liteos_a/issues/I3M12H)
+* 修复了LOSCFG_FS_FAT_VIRTUAL_PARTITION宏开关错误作用域引起的功能错误 ([acda419](https://gitee.com/openharmony/kernel_liteos_a/commits/acda419a2d773ea890052a16ee66b4872f941fbb)), closes [#I3W1IW](https://gitee.com/openharmony/kernel_liteos_a/issues/I3W1IW)
+* 修复了内核的VFAT测试用例 ([a8384b5](https://gitee.com/openharmony/kernel_liteos_a/commits/a8384b5db2274d50a350910d7cfd3fc36b4f4103)), closes [#I3XF3R](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XF3R)
 * 修复内核access chmod chown接口 ([56a95b9](https://gitee.com/openharmony/kernel_liteos_a/commits/56a95b9ec903f815f9199ac65ca318e00a83b2ed)), closes [#I3Z5L6](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Z5L6)
 * 修复内核c库的makefile中被优化函数替换的高频函数依然参与了编译的问题 ([6f6dc4f](https://gitee.com/openharmony/kernel_liteos_a/commits/6f6dc4f24c8ab05a6d42da46a9fa41d74a477bd7)), closes [#I3XGM8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XGM8)
-* 修复内核堆完整性检查逻辑中访问非法指针导致系统异常问题。 ([30f5ab8](https://gitee.com/openharmony/kernel_liteos_a/commits/30f5ab89b72d45f596b15af82a8e8e01add7977d)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* 修复启动框架debug模式下-Werror=maybe-uninitialized告警以及符号链接不进镜像的隐患 ([4c02415](https://gitee.com/openharmony/kernel_liteos_a/commits/4c024159a9600745863e49ee955308470a5b657b)), closes [#I3T5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3T5)
+* 修复内核堆完整性检查逻辑中访问非法指针导致系统异常问题。 ([30f5ab8](https://gitee.com/openharmony/kernel_liteos_a/commits/30f5ab89b72d45f596b15af82a8e8e01add7977d)), closes [#I3VJZT](https://gitee.com/openharmony/kernel_liteos_a/issues/I3VJZT)
+* 修复启动框架debug模式下-Werror=maybe-uninitialized告警以及符号链接不进镜像的隐患 ([4c02415](https://gitee.com/openharmony/kernel_liteos_a/commits/4c024159a9600745863e49ee955308470a5b657b)), closes [#I3T5HR](https://gitee.com/openharmony/kernel_liteos_a/issues/I3T5HR)
 * 修复开机概率挂死 ([2e82c36](https://gitee.com/openharmony/kernel_liteos_a/commits/2e82c361f73b2119613c3571c48faae8ec41d4eb)), closes [#I3SWY2](https://gitee.com/openharmony/kernel_liteos_a/issues/I3SWY2)
 * 修复文档链接失效问题 ([42a3a6c](https://gitee.com/openharmony/kernel_liteos_a/commits/42a3a6c51bfca4ade8ce94084ea2f8eb1c86a137)), closes [#I45297](https://gitee.com/openharmony/kernel_liteos_a/issues/I45297)
-* 修改/proc/mounts显示格式 ([6860246](https://gitee.com/openharmony/kernel_liteos_a/commits/6860246cfaac6f540665e79bbc4c3d54c419b092)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* 修改clock_gettime接口适配posix标准测试用例011输入clk_id错误时返回值ESRCH为EINVAL. ([f8cf6e6](https://gitee.com/openharmony/kernel_liteos_a/commits/f8cf6e6439ee017fe8e0d4ecfc9949c28fa6775f)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* 修改DoNanoSleep 以纳秒为单位 ([6917e08](https://gitee.com/openharmony/kernel_liteos_a/commits/6917e08431689ccbd5a30e9a39b67016ffb64d0a)), closes [#I3Z9](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Z9)
-* 修改某些平台保存bbox日志失败的问题 ([8f6a1dd](https://gitee.com/openharmony/kernel_liteos_a/commits/8f6a1dd33c59164070e8d2fb5abbd3e76ef8ac8e)), closes [#I41](https://gitee.com/openharmony/kernel_liteos_a/issues/I41)
-* 修改默认窗口宽度到400 ([09c491c](https://gitee.com/openharmony/kernel_liteos_a/commits/09c491ca1fd6d3110eafb0d07e45b25bdc3bd5d0)), closes [#I40](https://gitee.com/openharmony/kernel_liteos_a/issues/I40)
-* 关闭jffs和fat后，rootfs配置也被相应关闭，导致nand介质的rootfs不可用。 ([0ea476b](https://gitee.com/openharmony/kernel_liteos_a/commits/0ea476b9741fabd3c255c2770688f587920cf509)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* 修改/proc/mounts显示格式 ([6860246](https://gitee.com/openharmony/kernel_liteos_a/commits/6860246cfaac6f540665e79bbc4c3d54c419b092)), closes [#I3XGCS](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XGCS)
+* 修改clock_gettime接口适配posix标准测试用例011输入clk_id错误时返回值ESRCH为EINVAL. ([f8cf6e6](https://gitee.com/openharmony/kernel_liteos_a/commits/f8cf6e6439ee017fe8e0d4ecfc9949c28fa6775f)), closes [#I3OUHI](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OUHI)
+* 修改DoNanoSleep 以纳秒为单位 ([6917e08](https://gitee.com/openharmony/kernel_liteos_a/commits/6917e08431689ccbd5a30e9a39b67016ffb64d0a)), closes [#I3Z9DP](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Z9DP)
+* 修改某些平台保存bbox日志失败的问题 ([8f6a1dd](https://gitee.com/openharmony/kernel_liteos_a/commits/8f6a1dd33c59164070e8d2fb5abbd3e76ef8ac8e)), closes [#I41UTP](https://gitee.com/openharmony/kernel_liteos_a/issues/I41UTP)
+* 修改默认窗口宽度到400 ([09c491c](https://gitee.com/openharmony/kernel_liteos_a/commits/09c491ca1fd6d3110eafb0d07e45b25bdc3bd5d0)), closes [#I40LQX](https://gitee.com/openharmony/kernel_liteos_a/issues/I40LQX)
+* 关闭jffs和fat后，rootfs配置也被相应关闭，导致nand介质的rootfs不可用。 ([0ea476b](https://gitee.com/openharmony/kernel_liteos_a/commits/0ea476b9741fabd3c255c2770688f587920cf509)), closes [#I3SBYN](https://gitee.com/openharmony/kernel_liteos_a/issues/I3SBYN)
 * 内核态在console初始化完成后，使用printf无法正常打印 ([44ce696](https://gitee.com/openharmony/kernel_liteos_a/commits/44ce6969048c2e252f3f9d66fa485c77bdab8ae7)), closes [#I3UG00](https://gitee.com/openharmony/kernel_liteos_a/issues/I3UG00)
 * 去掉冗余的strip操作 ([7819d15](https://gitee.com/openharmony/kernel_liteos_a/commits/7819d15b3619681ae37a1349a6bec2440c829ae9)), closes [#I43767](https://gitee.com/openharmony/kernel_liteos_a/issues/I43767)
-* 合并进程栈两个地址连续的region ([42f374d](https://gitee.com/openharmony/kernel_liteos_a/commits/42f374dd7a353f1c8227e92fa92827c1c7b32424)), closes [#I43](https://gitee.com/openharmony/kernel_liteos_a/issues/I43)
-* 在内核提示No idle TCB时，增加打印当前系统任务信息，以方便问题定位。 ([11a9b00](https://gitee.com/openharmony/kernel_liteos_a/commits/11a9b00d43a6dbe9fba9f6eb07d78a9d226c28f8)), closes [#I434](https://gitee.com/openharmony/kernel_liteos_a/issues/I434)
+* 合并进程栈两个地址连续的region ([42f374d](https://gitee.com/openharmony/kernel_liteos_a/commits/42f374dd7a353f1c8227e92fa92827c1c7b32424)), closes [#I43QYJ](https://gitee.com/openharmony/kernel_liteos_a/issues/I43QYJ)
+* 在内核提示No idle TCB时，增加打印当前系统任务信息，以方便问题定位。 ([11a9b00](https://gitee.com/openharmony/kernel_liteos_a/commits/11a9b00d43a6dbe9fba9f6eb07d78a9d226c28f8)), closes [#I434UC](https://gitee.com/openharmony/kernel_liteos_a/issues/I434UC)
 * 增加表头，内容以制表符分栏。 ([e9ad6b7](https://gitee.com/openharmony/kernel_liteos_a/commits/e9ad6b71c3b1136414672cd21b339ded7a02dfb9)), closes [#I3W2M9](https://gitee.com/openharmony/kernel_liteos_a/issues/I3W2M9)
-* 将用户态内存调测解析脚本移至tools目录下 ([85b4cb7](https://gitee.com/openharmony/kernel_liteos_a/commits/85b4cb7a67b717984d3ebf68115c7139cc61d690)), closes [#I42T9](https://gitee.com/openharmony/kernel_liteos_a/issues/I42T9)
+* 将用户态内存调测解析脚本移至tools目录下 ([85b4cb7](https://gitee.com/openharmony/kernel_liteos_a/commits/85b4cb7a67b717984d3ebf68115c7139cc61d690)), closes [#I42T9A](https://gitee.com/openharmony/kernel_liteos_a/issues/I42T9A)
 * 恢复了FATFS设置卷标的功能 ([9515d53](https://gitee.com/openharmony/kernel_liteos_a/commits/9515d53dccc9a6458bfbaf8e15143928f05cb660)), closes [#I3Y5G8](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Y5G8)
 * 解决kill进程时无法保证进程的已持有的内核资源合理释放. ([cf89f01](https://gitee.com/openharmony/kernel_liteos_a/commits/cf89f016e93f28f8d72e6f5de08640d08a155908)), closes [#I3S0N0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3S0N0)
 * 解决不同环境下计算的rootfs的size偏小，导致mcopy造成的disk full错误 ([c54879b](https://gitee.com/openharmony/kernel_liteos_a/commits/c54879b54875abece53b1f64072cfacbd2e1970e)), closes [#I3IA06](https://gitee.com/openharmony/kernel_liteos_a/issues/I3IA06)
-* 设置qemu默认userfs大小/修改qemu驱动目录 ([1d952a2](https://gitee.com/openharmony/kernel_liteos_a/commits/1d952a254a6e7ec2f70f7112eb27355cfd01ba4d)), closes [#I3XW96](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XW96) [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* 设置qemu默认userfs大小/修改qemu驱动目录 ([1d952a2](https://gitee.com/openharmony/kernel_liteos_a/commits/1d952a254a6e7ec2f70f7112eb27355cfd01ba4d)), closes [#I3XW96](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XW96)


 ### Features

-* active mksh & toybox ([cacb4f0](https://gitee.com/openharmony/kernel_liteos_a/commits/cacb4f0103ecb2d1b7af54d84957f88d3e9443d2)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* active mksh & toybox ([cacb4f0](https://gitee.com/openharmony/kernel_liteos_a/commits/cacb4f0103ecb2d1b7af54d84957f88d3e9443d2)), closes [#I3VEOG](https://gitee.com/openharmony/kernel_liteos_a/issues/I3VEOG)
 * Add /dev/quickstart to support synchronous communication between processes in user mode startup. ([46b63f7](https://gitee.com/openharmony/kernel_liteos_a/commits/46b63f71537789743ed2f3f337c1809ee4900d71)), closes [#I3OHO5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3OHO5)
-* add /proc/fd file to dump the pid/fd/path information ([600dded](https://gitee.com/openharmony/kernel_liteos_a/commits/600dded31e80df275ed08c326c0ce3d1857d8dd8)), closes [#I3WB5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3WB5)
-* add /proc/fs_cache to display cache info ([231cb6b](https://gitee.com/openharmony/kernel_liteos_a/commits/231cb6be27380948bc48136ae2e02c28450f47a8)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* add /proc/fs_cache to display cache info ([53c6d96](https://gitee.com/openharmony/kernel_liteos_a/commits/53c6d96c6f97cb006216769f8b73f50fba3bc325)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* add /proc/fd file to dump the pid/fd/path information ([600dded](https://gitee.com/openharmony/kernel_liteos_a/commits/600dded31e80df275ed08c326c0ce3d1857d8dd8)), closes [#I3WB5U](https://gitee.com/openharmony/kernel_liteos_a/issues/I3WB5U)
+* add /proc/fs_cache to display cache info ([231cb6b](https://gitee.com/openharmony/kernel_liteos_a/commits/231cb6be27380948bc48136ae2e02c28450f47a8)), closes [#I3WWBD](https://gitee.com/openharmony/kernel_liteos_a/issues/I3WWBD)
+* add /proc/fs_cache to display cache info ([53c6d96](https://gitee.com/openharmony/kernel_liteos_a/commits/53c6d96c6f97cb006216769f8b73f50fba3bc325)), closes [#I3WESD](https://gitee.com/openharmony/kernel_liteos_a/issues/I3WESD)
 * add and fix some syscall ([ce849f2](https://gitee.com/openharmony/kernel_liteos_a/commits/ce849f2145e1569517c5244c9ffcaebed53f3a66))
-* add blackbox for liteos_a ([a195aac](https://gitee.com/openharmony/kernel_liteos_a/commits/a195aac9fb60b0163f9eebb29084287d226bd14c)), closes [#I406](https://gitee.com/openharmony/kernel_liteos_a/issues/I406)
-* add blackbox for liteos_a ([425975e](https://gitee.com/openharmony/kernel_liteos_a/commits/425975e4811023e31a520979c20ea2562224d9d0)), closes [#I3NN7](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NN7)
-* add clear cache cmd to /proc/fs_cache ([3d1cf68](https://gitee.com/openharmony/kernel_liteos_a/commits/3d1cf683f37a6f75e9db2ce1f11ec93159b77663)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* add blackbox for liteos_a ([a195aac](https://gitee.com/openharmony/kernel_liteos_a/commits/a195aac9fb60b0163f9eebb29084287d226bd14c)), closes [#I406NP](https://gitee.com/openharmony/kernel_liteos_a/issues/I406NP)
+* add blackbox for liteos_a ([425975e](https://gitee.com/openharmony/kernel_liteos_a/commits/425975e4811023e31a520979c20ea2562224d9d0))
+* add clear cache cmd to /proc/fs_cache ([3d1cf68](https://gitee.com/openharmony/kernel_liteos_a/commits/3d1cf683f37a6f75e9db2ce1f11ec93159b77663)), closes [#I3XLPH](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XLPH)
 * add liteos patch ability ([98ca844](https://gitee.com/openharmony/kernel_liteos_a/commits/98ca8441fe75ee1c3318a6a09376fd72f5a51350))
 * add support for gn build system ([a8805a6](https://gitee.com/openharmony/kernel_liteos_a/commits/a8805a65aab9109b915364fccf36c8328f636e48))
-* add uid/gid for ProcFs ([6780659](https://gitee.com/openharmony/kernel_liteos_a/commits/67806596a3c0df9a54893d8c74ebe9da98d7fb06)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
-* A核proc文件系统在echo模式下新增write的功能 ([f10dd7c](https://gitee.com/openharmony/kernel_liteos_a/commits/f10dd7c135d37a5fb0d78610d5ece5807d01eb1f)), closes [#I3T6](https://gitee.com/openharmony/kernel_liteos_a/issues/I3T6)
+* add uid/gid for ProcFs ([6780659](https://gitee.com/openharmony/kernel_liteos_a/commits/67806596a3c0df9a54893d8c74ebe9da98d7fb06)), closes [#I3WGVP](https://gitee.com/openharmony/kernel_liteos_a/issues/I3WGVP)
+* A核proc文件系统在echo模式下新增write的功能 ([f10dd7c](https://gitee.com/openharmony/kernel_liteos_a/commits/f10dd7c135d37a5fb0d78610d5ece5807d01eb1f)), closes [#I3T6MZ](https://gitee.com/openharmony/kernel_liteos_a/issues/I3T6MZ)
 * build OHOS_Image from kernel ([abf4d8f](https://gitee.com/openharmony/kernel_liteos_a/commits/abf4d8fb252631aca9d46211762880a23be2a0b1))
 * **build:** make liteos_config_file available as gn argument ([f9a9077](https://gitee.com/openharmony/kernel_liteos_a/commits/f9a907772f506ca7e2d84e96d4d17cffc7dae50f))
 * **build:** 使用xts -notest选项时，内核用例不参与编译构建和用例编译配置方式调整 ([9bdf716](https://gitee.com/openharmony/kernel_liteos_a/commits/9bdf716407c125c9877b6f49c2133112c18cdabc))
 * don't apply module_swith on configs of config ([f3beb4b](https://gitee.com/openharmony/kernel_liteos_a/commits/f3beb4b273c9a76fbfaffe57302f27d2a74cd2ba))
 * enable gn build for toybox and mksh ([c54bfa1](https://gitee.com/openharmony/kernel_liteos_a/commits/c54bfa16e3907482c252e9738192df869c63326e))
 * fatfs支持符号链接功能 ([e50cf0b](https://gitee.com/openharmony/kernel_liteos_a/commits/e50cf0be6f6d118022b6d79c5177aece574ba150)), closes [#I3V8D1](https://gitee.com/openharmony/kernel_liteos_a/issues/I3V8D1)
-* **file system:** add memory-based romfs ([c4595d2](https://gitee.com/openharmony/kernel_liteos_a/commits/c4595d25042b188570d991a815009764c37f3cb3)), closes [#I3S0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3S0)
+* **file system:** add memory-based romfs ([c4595d2](https://gitee.com/openharmony/kernel_liteos_a/commits/c4595d25042b188570d991a815009764c37f3cb3)), closes [#I3S0CP](https://gitee.com/openharmony/kernel_liteos_a/issues/I3S0CP)
 * introduce mksh toybox to rootfs ([41c7689](https://gitee.com/openharmony/kernel_liteos_a/commits/41c7689dfa49c52fb15705ce15ef22a278fbf2ef))
 * L0-L1 支持Trace ([dc9ec68](https://gitee.com/openharmony/kernel_liteos_a/commits/dc9ec6856fe14aa604f037f55f17a3ba2bafb098)), closes [#I46WA0](https://gitee.com/openharmony/kernel_liteos_a/issues/I46WA0)
-* L1支持低功耗投票框架 ([21d8ac8](https://gitee.com/openharmony/kernel_liteos_a/commits/21d8ac8752469f6e0dc2d50d28b75421f665385a)), closes [#I3VS5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3VS5)
+* L1支持低功耗投票框架 ([21d8ac8](https://gitee.com/openharmony/kernel_liteos_a/commits/21d8ac8752469f6e0dc2d50d28b75421f665385a)), closes [#I3VS5N](https://gitee.com/openharmony/kernel_liteos_a/issues/I3VS5N)
 * **libc:** upgrade optimized-routines to v21.02 ([1ec8d5a](https://gitee.com/openharmony/kernel_liteos_a/commits/1ec8d5a454658e95c4acb821d0878f357f4e82ad))
 * **make:** optimize makefiles and remove some unused files ([0e26094](https://gitee.com/openharmony/kernel_liteos_a/commits/0e260949c962158a263d4b0ad45fe9f6843d6e30))
 * Open macro for ADC moudule ([c71ec9d](https://gitee.com/openharmony/kernel_liteos_a/commits/c71ec9d7e8574078a9dc2a8463f3141cca3d625a))
 * **QEMU_ARM_VIRT_CA7:** 使能FAT文件系统编译选项 ([49856dc](https://gitee.com/openharmony/kernel_liteos_a/commits/49856dc1e0de1c5e92346c83eda641dfb1bb16be))
-* support .mkshrc ([51a50c9](https://gitee.com/openharmony/kernel_liteos_a/commits/51a50c95b4cd47b6931523926b728d1c0ff8988b)), closes [#I3Y5](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Y5)
-* support link/symlink/readlink ([6eddc86](https://gitee.com/openharmony/kernel_liteos_a/commits/6eddc869d349be59860bfd84ff10b7579a9b00a9)), closes [#I3Q0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Q0)
-* support toybox in qemu ([5618319](https://gitee.com/openharmony/kernel_liteos_a/commits/561831928bb1ad1871b2d60d2bba2d67488cea5f)), closes [#I3V17](https://gitee.com/openharmony/kernel_liteos_a/issues/I3V17)
-* timer_create支持以SIGEV_THREAD方式创建定时器 ([e5f6bf0](https://gitee.com/openharmony/kernel_liteos_a/commits/e5f6bf05567c2d193f3746caca502199e7b81e92)), closes [#I3](https://gitee.com/openharmony/kernel_liteos_a/issues/I3)
+* support .mkshrc ([51a50c9](https://gitee.com/openharmony/kernel_liteos_a/commits/51a50c95b4cd47b6931523926b728d1c0ff8988b)), closes [#I3Y5KE](https://gitee.com/openharmony/third_party_mksh/issues/I3Y5KE)
+* support link/symlink/readlink ([6eddc86](https://gitee.com/openharmony/kernel_liteos_a/commits/6eddc869d349be59860bfd84ff10b7579a9b00a9)), closes [#I3Q0OD](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Q0OD)
+* support toybox in qemu ([5618319](https://gitee.com/openharmony/kernel_liteos_a/commits/561831928bb1ad1871b2d60d2bba2d67488cea5f)), closes [#I3V17D](https://gitee.com/openharmony/kernel_liteos_a/issues/I3V17D)
+* timer_create支持以SIGEV_THREAD方式创建定时器 ([e5f6bf0](https://gitee.com/openharmony/kernel_liteos_a/commits/e5f6bf05567c2d193f3746caca502199e7b81e92)), closes [#I3SRFI](https://gitee.com/openharmony/kernel_liteos_a/issues/I3SRFI)
 * using kconfiglib instead of kconfig ([8784694](https://gitee.com/openharmony/kernel_liteos_a/commits/878469468647a19f704e7ee2af696b0ba8ab775a))
 * vfs support sdcard hotplug ([2db80ec](https://gitee.com/openharmony/kernel_liteos_a/commits/2db80ecb389176b53c77807567895470bb180a06)), closes [#I44WH1](https://gitee.com/openharmony/kernel_liteos_a/issues/I44WH1)
-* **vfs:** vfs支持FD_CLOEXEC标记 ([27dca4d](https://gitee.com/openharmony/kernel_liteos_a/commits/27dca4d857ef8de6b4bb9302e0dd435be7e3284f)), closes [#I3U81](https://gitee.com/openharmony/kernel_liteos_a/issues/I3U81)
+* **vfs:** vfs支持FD_CLOEXEC标记 ([27dca4d](https://gitee.com/openharmony/kernel_liteos_a/commits/27dca4d857ef8de6b4bb9302e0dd435be7e3284f)), closes [#I3U81W](https://gitee.com/openharmony/kernel_liteos_a/issues/I3U81W)
 * 删除zpfs冗余代码 ([3393479](https://gitee.com/openharmony/kernel_liteos_a/commits/3393479c52f4a9dfe2394bb32beb4b98fca8e171))
 * 基于汇编实现内核对用户态内存清零的功能 ([9db3407](https://gitee.com/openharmony/kernel_liteos_a/commits/9db3407589bb0b2d4a5772faac3130032bc0b8a9)), closes [#I3XXT0](https://gitee.com/openharmony/kernel_liteos_a/issues/I3XXT0)
 * 增加mount的MS_RDONLY标志的支持 ([8729f6e](https://gitee.com/openharmony/kernel_liteos_a/commits/8729f6ee57ea57bc664d076ff112c8726fedded9)), closes [#I3Z1W6](https://gitee.com/openharmony/kernel_liteos_a/issues/I3Z1W6)
 * 支持killpg和waitid ([dc3cc09](https://gitee.com/openharmony/kernel_liteos_a/commits/dc3cc094a75c6da65d87522930afea06106d3933))
-* 新增toybox reboot命令 ([e567a10](https://gitee.com/openharmony/kernel_liteos_a/commits/e567a10d021c3e0fe02d6911dbe8687255c67ffa)), closes [#I3YQ7](https://gitee.com/openharmony/kernel_liteos_a/issues/I3YQ7)
-* 给开发者提供系统信息导出Hidumper工具。 ([cb17fa5](https://gitee.com/openharmony/kernel_liteos_a/commits/cb17fa50ed28e6e8f59b7d68ede13c759b983311)), closes [#I3NN7](https://gitee.com/openharmony/kernel_liteos_a/issues/I3NN7)
-* 自研shell命令回补 ([7bc68f4](https://gitee.com/openharmony/kernel_liteos_a/commits/7bc68f454ff5fbf415712c9b8479b8c832f68417)), closes [#I44U0](https://gitee.com/openharmony/kernel_liteos_a/issues/I44U0)
+* 新增toybox reboot命令 ([e567a10](https://gitee.com/openharmony/kernel_liteos_a/commits/e567a10d021c3e0fe02d6911dbe8687255c67ffa)), closes [#I3YQ7S](https://gitee.com/openharmony/third_party_toybox/issues/I3YQ7S)
+* 给开发者提供系统信息导出Hidumper工具。 ([cb17fa5](https://gitee.com/openharmony/kernel_liteos_a/commits/cb17fa50ed28e6e8f59b7d68ede13c759b983311))
+* 自研shell命令回补 ([7bc68f4](https://gitee.com/openharmony/kernel_liteos_a/commits/7bc68f454ff5fbf415712c9b8479b8c832f68417)), closes [#I44U0H](https://gitee.com/openharmony/third_party_toybox/issues/I44U0H)


 ### Performance Improvements
@@ -316,7 +316,7 @@ LOS_LmsAddrDisableProtect去能指定内存段的访问保护

 ### Reverts

-* Revert "fix: 修改默认窗口宽度到400" ([1878849](https://gitee.com/openharmony/kernel_liteos_a/commits/187884937cd087e39a28c033c41033163d6b4766)), closes [#I42X9](https://gitee.com/openharmony/kernel_liteos_a/issues/I42X9)
+* Revert "fix: 修改默认窗口宽度到400" ([1878849](https://gitee.com/openharmony/kernel_liteos_a/commits/187884937cd087e39a28c033c41033163d6b4766)), closes [#I42X9V](https://gitee.com/openharmony/kernel_liteos_a/issues/I42X9V)


 ### BREAKING CHANGES
--- a/7
+++ b/7
@@ -235,7 +235,12 @@ config SCHED_DEBUG
    depends on DEBUG_VERSION
    help
      If you wish to build LiteOS with support for sched debug.
-
+config SCHED_EDF_DEBUG
+    bool "Enable sched EDF debug Feature"
+    default n
+    depends on SCHED_DEBUG
+    help
+      If you wish to build LiteOS with support for sched debug.
 config USER_INIT_DEBUG
    bool "Enable user init Debug"
    default n
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ For compilation, please refer to the [compilation instructions](https://gitee.co

 ## Contribution<a name="section1371123476304"></a>

-[How to involve](https://gitee.com/openharmony/docs/blob/HEAD/en/contribute/contribution.md)
+[How to involve](https://gitee.com/openharmony/docs/blob/HEAD/en/contribute/contribution-guide.md)

 [Commit message spec](https://gitee.com/openharmony/kernel_liteos_a/wikis/Commit%20message%20%E8%A7%84%E8%8C%83)

--- a/README_zh.md
+++ b/README_zh.md
@@ -87,6 +87,8 @@ OpenHarmony LiteOS-A内核支持[Hi3516DV300](https://gitee.com/openharmony/docs

 编译可以参考：[编译指导](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-pkg-3516-build.md)

+测试参考:[单元测试](testsuites/unittest/tools/README.md)
+
 ## 贡献<a name="section1371123476304"></a>

 [如何贡献](https://gitee.com/openharmony/docs/blob/HEAD/zh-cn/contribute/%E5%8F%82%E4%B8%8E%E8%B4%A1%E7%8C%AE.md)
--- a/apps/lms/BUILD.gn
+++ b/apps/lms/BUILD.gn
@@ -73,5 +73,5 @@ executable("sample_usr_lms") {
    "-Wl,--wrap=strcpy",
    "-Wl,--wrap=strcat",
  ]
-  deps = [ "//kernel/liteos_a/kernel/extended/lms/usr:usrlmslib" ]
+  deps = [ "$LITEOSTOPDIR/kernel/extended/lms/usr:usrlmslib" ]
 }
--- a/apps/mksh/BUILD.gn
+++ b/apps/mksh/BUILD.gn
@@ -29,7 +29,7 @@

 import("//build/lite/config/component/lite_component.gni")
 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/mksh/mksh.gni")
+import("$THIRDPARTY_MKSH_DIR/mksh.gni")

 group("mksh") {
  deps = [ ":build_mksh" ]
@@ -42,7 +42,7 @@ copy("copy_mksh_src") {

 build_ext_component("build_mksh") {
  deps = [ ":copy_mksh_src" ]
-  deps += [ "//third_party/musl:sysroot_lite" ]
+  deps += [ "$THIRDPARTY_MUSL_DIR:sysroot_lite" ]
  exec_path = rebase_path("$target_out_dir/mksh_build")

  cflags = [
--- a/apps/shell/src/main.c
+++ b/apps/shell/src/main.c
@@ -44,7 +44,7 @@

 ShellCB *g_shellCB = NULL;

-ShellCB *OsGetShellCb()
+ShellCB *OsGetShellCb(void)
 {
    return g_shellCB;
 }
--- a/apps/toybox/BUILD.gn
+++ b/apps/toybox/BUILD.gn
@@ -29,7 +29,7 @@

 import("//build/lite/config/component/lite_component.gni")
 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/toybox/toybox.gni")
+import("$THIRDPARTY_TOYBOX_DIR/toybox.gni")

 group("toybox") {
  deps = [ ":build_toybox" ]
@@ -51,7 +51,7 @@ build_ext_component("build_toybox") {
    ":copy_toybox_config",
    ":copy_toybox_src",
  ]
-  deps += [ "//third_party/musl:sysroot_lite" ]
+  deps += [ "$THIRDPARTY_MUSL_DIR:sysroot_lite" ]
  exec_path = rebase_path("$target_out_dir/toybox_build")

  cflags = [
--- a/bundle.json
+++ b/bundle.json
@@ -27,11 +27,8 @@
    "component": {
        "name": "liteos_a",
        "subsystem": "kernel",
-        "syscap": [
-            "SystemCapability.Kernel.liteos-a"
-        ],
        "features": [],
-        "adated_system_type": [
+        "adapted_system_type": [
            "small"
        ],
        "rom": "1.5MB",
--- a/compat/posix/src/mqueue.c
+++ b/compat/posix/src/mqueue.c
@@ -113,7 +113,9 @@ STATIC INLINE struct mqarray *GetMqueueCBByName(const CHAR *name)
 STATIC INT32 DoMqueueDelete(struct mqarray *mqueueCB)
 {
    UINT32 ret;
-
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    OsIPCLimitMqFree();
+#endif
    if (mqueueCB->mq_name != NULL) {
        LOS_MemFree(OS_SYS_MEM_ADDR, mqueueCB->mq_name);
        mqueueCB->mq_name = NULL;
@@ -163,11 +165,29 @@ STATIC int SaveMqueueName(const CHAR *mqName, struct mqarray *mqueueCB)
    return LOS_OK;
 }

+STATIC VOID MqueueCBInit(struct mqarray *mqueueCB, const struct mq_attr *attr, INT32 openFlag, UINT32 mode)
+{
+    mqueueCB->unlinkflag = FALSE;
+    mqueueCB->unlink_ref = 0;
+    mqueueCB->mq_personal->mq_status = MQ_USE_MAGIC;
+    mqueueCB->mq_personal->mq_next = NULL;
+    mqueueCB->mq_personal->mq_posixdes = mqueueCB;
+    mqueueCB->mq_personal->mq_flags = (INT32)((UINT32)openFlag | ((UINT32)attr->mq_flags & (UINT32)FNONBLOCK));
+    mqueueCB->mq_personal->mq_mode = mode;
+    mqueueCB->mq_personal->mq_refcount = 0;
+    mqueueCB->mq_notify.pid = 0;
+}
+
 STATIC struct mqpersonal *DoMqueueCreate(const struct mq_attr *attr, const CHAR *mqName, INT32 openFlag, UINT32 mode)
 {
    struct mqarray *mqueueCB = NULL;
    UINT32 mqueueID;

+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    if (OsIPCLimitMqAlloc() != LOS_OK) {
+        return (struct mqpersonal *)-1;
+    }
+#endif
    UINT32 err = LOS_QueueCreate(NULL, attr->mq_maxmsg, &mqueueID, 0, attr->mq_msgsize);
    if (map_errno(err) != ENOERR) {
        goto ERROUT;
@@ -201,15 +221,7 @@ STATIC struct mqpersonal *DoMqueueCreate(const struct mq_attr *attr, const CHAR
        goto ERROUT;
    }

-    mqueueCB->unlinkflag = FALSE;
-    mqueueCB->unlink_ref = 0;
-    mqueueCB->mq_personal->mq_status = MQ_USE_MAGIC;
-    mqueueCB->mq_personal->mq_next = NULL;
-    mqueueCB->mq_personal->mq_posixdes = mqueueCB;
-    mqueueCB->mq_personal->mq_flags = (INT32)((UINT32)openFlag | ((UINT32)attr->mq_flags & (UINT32)FNONBLOCK));
-    mqueueCB->mq_personal->mq_mode = mode;
-    mqueueCB->mq_personal->mq_refcount = 0;
-    mqueueCB->mq_notify.pid = 0;
+    MqueueCBInit(mqueueCB, attr, openFlag, mode);

    return mqueueCB->mq_personal;
 ERROUT:
@@ -218,6 +230,9 @@ ERROUT:
        LOS_MemFree(OS_SYS_MEM_ADDR, mqueueCB->mq_name);
        mqueueCB->mq_name = NULL;
    }
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    OsIPCLimitMqFree();
+#endif
    return (struct mqpersonal *)-1;
 }

@@ -589,17 +604,19 @@ int OsMqGetAttr(mqd_t personal, struct mq_attr *mqAttr)
    struct mqarray *mqueueCB = NULL;
    struct mqpersonal *privateMqPersonal = NULL;

+    (VOID)pthread_mutex_lock(&IPC_QUEUE_MUTEX);
    privateMqPersonal = MqGetPrivDataBuff(personal);
    if (privateMqPersonal == NULL) {
+        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
        return -1;
    }

    if (mqAttr == NULL) {
        errno = EINVAL;
+        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
        return -1;
    }

-    (VOID)pthread_mutex_lock(&IPC_QUEUE_MUTEX);
    if (privateMqPersonal->mq_status != MQ_USE_MAGIC) {
        errno = EBADF;
        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
@@ -619,17 +636,19 @@ int OsMqSetAttr(mqd_t personal, const struct mq_attr *mqSetAttr, struct mq_attr
 {
    struct mqpersonal *privateMqPersonal = NULL;

+    (VOID)pthread_mutex_lock(&IPC_QUEUE_MUTEX);
    privateMqPersonal = MqGetPrivDataBuff(personal);
    if (privateMqPersonal == NULL) {
+        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
        return -1;
    }

    if (mqSetAttr == NULL) {
        errno = EINVAL;
+        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
        return -1;
    }

-    (VOID)pthread_mutex_lock(&IPC_QUEUE_MUTEX);
    if (privateMqPersonal->mq_status != MQ_USE_MAGIC) {
        errno = EBADF;
        (VOID)pthread_mutex_unlock(&IPC_QUEUE_MUTEX);
--- a/drivers/char/bch/BUILD.gn
+++ b/drivers/char/bch/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_FS_VFS_BLOCK_DEVICE)
 module_name = get_path_info(rebase_path("."), "name")
--- a/drivers/char/mem/src/mem.c
+++ b/drivers/char/mem/src/mem.c
@@ -97,5 +97,5 @@ static const struct file_operations_vfs g_memDevOps = {

 int DevMemRegister(void)
 {
-    return register_driver("/dev/mem", &g_memDevOps, 0666, 0); /* 0666: file mode */
+    return register_driver("/dev/mem", &g_memDevOps, 0644, 0); /* 0644: file mode */
 }
--- a/drivers/char/video/BUILD.gn
+++ b/drivers/char/video/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_DRIVERS_VIDEO)
 module_name = get_path_info(rebase_path("."), "name")
--- a/fs/fat/BUILD.gn
+++ b/fs/fat/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/FatFs/FatFs.gni")
+import("$THIRDPARTY_FATFS_DIR/FatFs.gni")

 module_switch = defined(LOSCFG_FS_FAT)
 module_name = get_path_info(rebase_path("."), "name")
--- a/fs/jffs2/BUILD.gn
+++ b/fs/jffs2/BUILD.gn
@@ -31,7 +31,7 @@ import("//kernel/liteos_a/liteos.gni")

 module_switch = defined(LOSCFG_FS_JFFS)
 module_name = get_path_info(rebase_path("."), "name")
-linux_path = rebase_path("//kernel/linux/linux-5.10")
+linux_path = rebase_path("$KERNEL_LINUX_DIR")
 out_path = rebase_path(target_out_dir)

 kernel_module(module_name) {
--- a/fs/jffs2/jffs2.patch
+++ b/fs/jffs2/jffs2.patch
@@ -2311,7 +2311,7 @@ diff -Nupr old/fs/jffs2/erase.c new/fs/jffs2/erase.c
 diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 --- old/fs/jffs2/file.c	2022-05-09 17:22:53.000000000 +0800
 +++ new/fs/jffs2/file.c	2022-05-10 09:43:14.250000000 +0800
-@@ -9,335 +9,30 @@
+@@ -9,334 +9,31 @@
  * For licensing information, see the file 'LICENCE' in this directory.
  *
  */
@@ -2348,7 +2348,7 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
 +	/* FIXME: This works only with one file system mounted at a time */
 	int ret;
-
+ 
 -	ret = file_write_and_wait_range(filp, start, end);
 +	ret = jffs2_read_inode_range(c, f, gc_buffer,
 +			 offset & ~(PAGE_SIZE-1), PAGE_SIZE);
@@ -2361,8 +2361,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -	inode_unlock(inode);
 -
 -	return 0;
-}
-
+		return ERR_PTR(ret);
+	return gc_buffer;
+ }
+ 
 -const struct file_operations jffs2_file_operations =
 -{
 -	.llseek =	generic_file_llseek,
@@ -2387,7 +2389,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -};
 -
 -const struct address_space_operations jffs2_file_address_operations =
-{
+void jffs2_gc_release_page(struct jffs2_sb_info *c,
+			   unsigned char *ptr,
+			   unsigned long *priv)
+ {
 -	.readpage =	jffs2_readpage,
 -	.write_begin =	jffs2_write_begin,
 -	.write_end =	jffs2_write_end,
@@ -2443,35 +2448,29 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -	ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
 -	mutex_unlock(&f->sem);
 -	return ret;
-+		return ERR_PTR(ret);
-+	return gc_buffer;
- }
- 
+-}
+-
 -static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
 -			loff_t pos, unsigned len, unsigned flags,
 -			struct page **pagep, void **fsdata)
-+void jffs2_gc_release_page(struct jffs2_sb_info *c,
-+			   unsigned char *ptr,
-+			   unsigned long *priv)
- {
+-{
 -	struct page *pg;
 -	struct inode *inode = mapping->host;
 -	struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
 -	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
 -	pgoff_t index = pos >> PAGE_SHIFT;
-	uint32_t pageofs = index << PAGE_SHIFT;
 -	int ret = 0;
 -
 -	jffs2_dbg(1, "%s()\n", __func__);
 -
-	if (pageofs > inode->i_size) {
-		/* Make new hole frag from old EOF to new page */
+-	if (pos > inode->i_size) {
+-		/* Make new hole frag from old EOF to new position */
 -		struct jffs2_raw_inode ri;
 -		struct jffs2_full_dnode *fn;
 -		uint32_t alloc_len;
 -
-		jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
-			  (unsigned int)inode->i_size, pageofs);
+-		jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new position\n",
+-			  (unsigned int)inode->i_size, (uint32_t)pos);
 -
 -		ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
 -					  ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
@@ -2491,10 +2490,10 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -		ri.mode = cpu_to_jemode(inode->i_mode);
 -		ri.uid = cpu_to_je16(i_uid_read(inode));
 -		ri.gid = cpu_to_je16(i_gid_read(inode));
-		ri.isize = cpu_to_je32(max((uint32_t)inode->i_size, pageofs));
+-		ri.isize = cpu_to_je32((uint32_t)pos);
 -		ri.atime = ri.ctime = ri.mtime = cpu_to_je32(JFFS2_NOW());
 -		ri.offset = cpu_to_je32(inode->i_size);
-		ri.dsize = cpu_to_je32(pageofs - inode->i_size);
+-		ri.dsize = cpu_to_je32((uint32_t)pos - inode->i_size);
 -		ri.csize = cpu_to_je32(0);
 -		ri.compr = JFFS2_COMPR_ZERO;
 -		ri.node_crc = cpu_to_je32(crc32(0, &ri, sizeof(ri)-8));
@@ -2524,7 +2523,7 @@ diff -Nupr old/fs/jffs2/file.c new/fs/jffs2/file.c
 -			goto out_err;
 -		}
 -		jffs2_complete_reservation(c);
-		inode->i_size = pageofs;
+-		inode->i_size = pos;
 -		mutex_unlock(&f->sem);
 -	}
 -
@@ -8668,7 +8667,7 @@ diff -Nupr old/fs/jffs2/writev.c new/fs/jffs2/writev.c
 diff -Nupr old/fs/jffs2/xattr.c new/fs/jffs2/xattr.c
 --- old/fs/jffs2/xattr.c	2022-05-09 17:15:24.360000000 +0800
 +++ new/fs/jffs2/xattr.c	1970-01-01 08:00:00.000000000 +0800
-@@ -1,1347 +0,0 @@
+@@ -1,1352 +0,0 @@
 -/*
 - * JFFS2 -- Journalling Flash File System, Version 2.
 - *
@@ -9443,10 +9442,10 @@ diff -Nupr old/fs/jffs2/xattr.c new/fs/jffs2/xattr.c
 -}
 -
 -#define XREF_TMPHASH_SIZE	(128)
-void jffs2_build_xattr_subsystem(struct jffs2_sb_info *c)
+-int jffs2_build_xattr_subsystem(struct jffs2_sb_info *c)
 -{
 -	struct jffs2_xattr_ref *ref, *_ref;
-	struct jffs2_xattr_ref *xref_tmphash[XREF_TMPHASH_SIZE];
+-	struct jffs2_xattr_ref **xref_tmphash;
 -	struct jffs2_xattr_datum *xd, *_xd;
 -	struct jffs2_inode_cache *ic;
 -	struct jffs2_raw_node_ref *raw;
@@ -9455,9 +9454,12 @@ diff -Nupr old/fs/jffs2/xattr.c new/fs/jffs2/xattr.c
 -
 -	BUG_ON(!(c->flags & JFFS2_SB_FLAG_BUILDING));
 -
+-	xref_tmphash = kcalloc(XREF_TMPHASH_SIZE,
+-			       sizeof(struct jffs2_xattr_ref *), GFP_KERNEL);
+-	if (!xref_tmphash)
+-		return -ENOMEM;
+-
 -	/* Phase.1 : Merge same xref */
-	for (i=0; i < XREF_TMPHASH_SIZE; i++)
-		xref_tmphash[i] = NULL;
 -	for (ref=c->xref_temp; ref; ref=_ref) {
 -		struct jffs2_xattr_ref *tmp;
 -
@@ -9555,6 +9557,8 @@ diff -Nupr old/fs/jffs2/xattr.c new/fs/jffs2/xattr.c
 -		     "%u of xref (%u dead, %u orphan) found.\n",
 -		     xdatum_count, xdatum_unchecked_count, xdatum_orphan_count,
 -		     xref_count, xref_dead_count, xref_orphan_count);
+-	kfree(xref_tmphash);
+-	return 0;
 -}
 -
 -struct jffs2_xattr_datum *jffs2_setup_xattr_datum(struct jffs2_sb_info *c,
--- a/fs/jffs2/src/vfs_jffs2.c
+++ b/fs/jffs2/src/vfs_jffs2.c
@@ -490,14 +490,14 @@ off_t VfsJffs2Seek(struct file *filep, off_t offset, int whence)
    filePos = filep->f_pos;

    switch (whence) {
-        case SEEK_SET:
-            filePos = offset;
-            break;
-
        case SEEK_CUR:
            filePos += offset;
            break;

+        case SEEK_SET:
+            filePos = offset;
+            break;
+
        case SEEK_END:
            filePos = node->i_size + offset;
            break;
--- a/fs/nfs/BUILD.gn
+++ b/fs/nfs/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_FS_NFS)
 module_name = get_path_info(rebase_path("."), "name")
--- a/fs/proc/BUILD.gn
+++ b/fs/proc/BUILD.gn
@@ -38,10 +38,12 @@ kernel_module(module_name) {
    "os_adapt/fs_cache_proc.c",
    "os_adapt/mem_info.c",
    "os_adapt/mounts_proc.c",
+    "os_adapt/plimits_proc.c",
    "os_adapt/power_proc.c",
    "os_adapt/proc_init.c",
    "os_adapt/proc_vfs.c",
    "os_adapt/process_proc.c",
+    "os_adapt/sys_user.c",
    "os_adapt/uptime_proc.c",
    "os_adapt/vmm_proc.c",
    "src/proc_file.c",
--- a/fs/proc/include/internal.h
+++ b/fs/proc/include/internal.h
@@ -55,6 +55,16 @@ void ProcSysMemInfoInit(void);
 void ProcFileSysInit(void);
 #endif

+#ifdef LOSCFG_KERNEL_PLIMITS
+void ProcLimitsInit(void);
+#endif
+
+void ProcEntryClearVnode(struct ProcDirEntry *entry);
+
+void ProcDetachNode(struct ProcDirEntry *pn);
+
+void RemoveProcEntryTravalsal(struct ProcDirEntry *pn);
+
 void ProcPmInit(void);

 void ProcVmmInit(void);
@@ -79,6 +89,7 @@ void ProcFdInit(void);

 #ifdef LOSCFG_KERNEL_CONTAINER
 void *ProcfsContainerGet(int fd, unsigned int *containerType);
+void ProcSysUserInit(void);
 #endif

 #ifdef __cplusplus
--- a/fs/proc/include/proc_fs.h
+++ b/fs/proc/include/proc_fs.h
@@ -93,6 +93,15 @@ struct ProcFileOperations {
    ssize_t (*readLink)(struct ProcDirEntry *pde, char *buf, size_t bufLen);
 };

+#ifdef LOSCFG_KERNEL_PLIMITS
+struct ProcDirOperations {
+    int (*rmdir)(struct ProcDirEntry *parent, struct ProcDirEntry *pde, const char *name);
+    int (*mkdir)(struct ProcDirEntry *parent, const char *dirName, mode_t mode, struct ProcDirEntry **pde);
+};
+#endif
+
+#define PROC_DATA_STATIC 0
+#define PROC_DATA_FREE   1
 struct ProcDirEntry {
    uint uid;
    uint gid;
@@ -101,6 +110,10 @@ struct ProcDirEntry {
    const struct ProcFileOperations *procFileOps;
    struct ProcFile *pf;
    struct ProcDirEntry *next, *parent, *subdir;
+#ifdef LOSCFG_KERNEL_PLIMITS
+    const struct ProcDirOperations *procDirOps;
+#endif
+    int dataType;
    void *data;
    atomic_t count; /* open file count */
    spinlock_t pdeUnloadLock;
@@ -111,6 +124,11 @@ struct ProcDirEntry {
    enum VnodeType type;
 };

+struct ProcDataParm {
+    void *data;
+    int dataType;
+};
+
 struct ProcFile {
    fmode_t fMode;
    spinlock_t fLock;
@@ -274,7 +292,7 @@ extern struct ProcDirEntry *ProcCreate(const char *name, mode_t mode,
 *
 */
 extern struct ProcDirEntry *ProcCreateData(const char *name, mode_t mode, struct ProcDirEntry *parent,
-                                           const struct ProcFileOperations *procFileOps, void *data);
+                                           const struct ProcFileOperations *procFileOps, struct ProcDataParm *param);
 /**
 * @ingroup  procfs
 * @brief init proc fs
--- a/fs/proc/os_adapt/fs_cache_proc.c
+++ b/fs/proc/os_adapt/fs_cache_proc.c
@@ -207,7 +207,7 @@ static const struct ProcFileOperations FS_CACHE_PROC_FOPS = {

 void ProcFsCacheInit(void)
 {
-    struct ProcDirEntry *pde = CreateProcEntry("fs_cache", 0, NULL);
+    struct ProcDirEntry *pde = CreateProcEntry("fs_cache", 0400, NULL);
    if (pde == NULL) {
        PRINT_ERR("create fs_cache error!\n");
        return;
--- a/fs/proc/os_adapt/plimits_proc.c
+++ b/fs/proc/os_adapt/plimits_proc.c
@@ -0,0 +1,905 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/statfs.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "stdlib.h"
+#include "los_printf.h"
+#include "los_base.h"
+#include "los_seq_buf.h"
+#include "internal.h"
+#include "proc_fs.h"
+#include "los_task_pri.h"
+#include "los_process_pri.h"
+#include "los_process.h"
+#include "show.h"
+#include "vnode.h"
+#include "proc_file.h"
+#include "user_copy.h"
+
+#ifdef LOSCFG_KERNEL_PLIMITS
+#include "los_plimits.h"
+
+#define PLIMITS_ENTRY_NAME_MAX 64
+#define PLIMITERSET_DELETE_ALLOC 4
+#define UNITPTR_NULL ((uintptr_t)(0xFFFFFFFF))
+#define PLIMIT_FILE_MODE_READ_WRITE        (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
+#define PLIMIT_FILE_MODE_READ_ONLY         (S_IRUSR | S_IRGRP | S_IROTH)
+#define PLIMIT_FILE_MODE_WRITE_ONLY         (S_IWUSR)
+#define PLIMIT_FILE_MODE_MASK_WRITE        (~((mode_t)(S_IWUSR)))
+#define PLIMIT_FILE_MODE_MASK_NONE         (~((mode_t)(0)))
+#define LOS_MAX_CACHE (UINT64)(0xFFFFFFFFFFFFFFFF)
+#define PLIMIT_CAT_BUF_SIZE  512
+#define MAX_PROTECTED_PROCESS_ID 14
+#define UNITPTR_NULL  ((uintptr_t)(0xFFFFFFFF))
+
+static int ShowPids(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t PidMigrateFromProcLimiterSet(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t PidLimitReadPidLimit(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t PidLimitReadPriorityLimit(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t PriorityLimitVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t PidsMaxVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t ProcLimitsShowLimiters(struct SeqBuf *seqBuf, VOID *data);
+static int ProcfsPlimitsMkdir(struct ProcDirEntry *parent, const char *dirName, mode_t mode, struct ProcDirEntry **pde);
+static int ProcfsPlimitsRmdir(struct ProcDirEntry *parent, struct ProcDirEntry *pde, const char *name);
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+static ssize_t MemLimitReadLimit(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t MemLimitWriteLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t MemLimitStatShow(struct SeqBuf *seqBuf, VOID *data);
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+static ssize_t IPCLimitReadMqLimit(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t IPCLimitWriteMqLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t IPCLimitReadShmLimit(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t IPCLimitWriteShmLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t IPCLimitShowStat(struct SeqBuf *seqBuf, VOID *data);
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+static ssize_t DevLimitWriteAllow(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t DevLimitWriteDeny(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t DevLimitShow(struct SeqBuf *seqBuf, VOID *data);
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+static ssize_t SchedLimitReadPeriod(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t SchedLimitWritePeriod(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t SchedLimitReadQuota(struct SeqBuf *seqBuf, VOID *data);
+static ssize_t SchedLimitWriteQuota(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos);
+static ssize_t SchedLimitShow(struct SeqBuf *seqBuf, VOID *data);
+#endif
+
+struct PLimitsEntryOpt {
+    int id;
+    char name[PLIMITS_ENTRY_NAME_MAX];
+    mode_t mode;
+    uintptr_t offset;
+    struct ProcFileOperations ops;
+};
+
+static struct ProcDirOperations g_procDirOperations = {
+    .mkdir = ProcfsPlimitsMkdir,
+    .rmdir = ProcfsPlimitsRmdir,
+};
+
+static struct PLimitsEntryOpt g_plimitsEntryOpts[] = {
+    {
+        .id = PROCESS_LIMITER_COUNT,
+        .name = "plimits.limiters",
+        .mode = PLIMIT_FILE_MODE_READ_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .read = ProcLimitsShowLimiters,
+        }
+    },
+    {
+        .id = PROCESS_LIMITER_COUNT,
+        .name = "plimits.procs",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .read = ShowPids,
+            .write = PidMigrateFromProcLimiterSet,
+        },
+    },
+    {
+        .id = PROCESS_LIMITER_ID_PIDS,
+        .name = "pids.max",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = PidLimitReadPidLimit,
+            .write = PidsMaxVariableWrite,
+        },
+    },
+    {
+        .id = PROCESS_LIMITER_ID_PIDS,
+        .name = "pids.priority",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = PidLimitReadPriorityLimit,
+            .write = PriorityLimitVariableWrite,
+        },
+    },
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    {
+        .id = PROCESS_LIMITER_ID_MEM,
+        .name = "memory.limit",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = MemLimitReadLimit,
+            .write = MemLimitWriteLimit,
+        },
+    },
+    {
+        .id = PROCESS_LIMITER_ID_MEM,
+        .name = "memory.stat",
+        .mode = PLIMIT_FILE_MODE_READ_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .read = MemLimitStatShow,
+        }
+    },
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    {
+        .id = PROCESS_LIMITER_ID_IPC,
+        .name = "ipc.mq_limit",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = IPCLimitReadMqLimit,
+            .write = IPCLimitWriteMqLimit,
+        }
+    },
+    {
+        .id = PROCESS_LIMITER_ID_IPC,
+        .name = "ipc.shm_limit",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = IPCLimitReadShmLimit,
+            .write = IPCLimitWriteShmLimit,
+        }
+    },
+    {
+        .id = PROCESS_LIMITER_ID_IPC,
+        .name = "ipc.stat",
+        .mode = PLIMIT_FILE_MODE_READ_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .read = IPCLimitShowStat,
+        }
+    },
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+    {
+        .id = PROCESS_LIMITER_ID_DEV,
+        .name = "devices.allow",
+        .mode = PLIMIT_FILE_MODE_WRITE_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .write = DevLimitWriteAllow,
+        }
+    },
+    {
+        .id = PROCESS_LIMITER_ID_DEV,
+        .name = "devices.deny",
+        .mode = PLIMIT_FILE_MODE_WRITE_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .write = DevLimitWriteDeny,
+        }
+    },
+    {
+        .id = PROCESS_LIMITER_ID_DEV,
+        .name = "devices.list",
+        .mode = PLIMIT_FILE_MODE_READ_ONLY,
+        .offset = 0,
+        .ops = {
+            .read = DevLimitShow,
+        }
+    },
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    {
+        .id = PROCESS_LIMITER_ID_SCHED,
+        .name = "sched.period",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = SchedLimitReadPeriod,
+            .write = SchedLimitWritePeriod,
+        },
+    },
+    {
+        .id = PROCESS_LIMITER_ID_SCHED,
+        .name = "sched.quota",
+        .mode = PLIMIT_FILE_MODE_READ_WRITE,
+        .offset = 0,
+        .ops = {
+            .read = SchedLimitReadQuota,
+            .write = SchedLimitWriteQuota,
+        },
+    },
+    {
+        .id = PROCESS_LIMITER_ID_SCHED,
+        .name = "sched.stat",
+        .mode = PLIMIT_FILE_MODE_READ_ONLY,
+        .offset = UNITPTR_NULL,
+        .ops = {
+            .read = SchedLimitShow,
+        }
+    },
+#endif
+};
+
+static unsigned int MemUserCopy(const char *src, size_t len, char **kbuf)
+{
+    if (LOS_IsUserAddressRange((VADDR_T)(UINTPTR)src, len)) {
+        char *kernelBuf = LOS_MemAlloc(m_aucSysMem1, len + 1);
+        if (kernelBuf == NULL) {
+            return ENOMEM;
+        }
+
+        if (LOS_ArchCopyFromUser(kernelBuf, src, len) != 0) {
+            (VOID)LOS_MemFree(m_aucSysMem1, kernelBuf);
+            return EFAULT;
+        }
+        kernelBuf[len] = '\0';
+        *kbuf = kernelBuf;
+        return 0;
+    }
+    return 0;
+}
+
+static inline struct ProcDirEntry *GetCurrDirectory(struct ProcDirEntry *dirEntry)
+{
+    return ((dirEntry == NULL) || S_ISDIR(dirEntry->mode)) ? dirEntry : dirEntry->parent;
+}
+
+static inline ProcLimiterSet *GetProcLimiterSetFromDirEntry(struct ProcDirEntry *dirEntry)
+{
+    struct ProcDirEntry *currDirectory = GetCurrDirectory(dirEntry);
+    return (currDirectory == NULL) || (currDirectory->data == NULL) ? NULL : (ProcLimiterSet *)currDirectory->data;
+}
+
+static struct ProcDirEntry *ProcCreateLimiterFiles(struct ProcDirEntry *parentEntry,
+                                                   struct PLimitsEntryOpt *entryOpt,
+                                                   mode_t mode, void *data)
+{
+    struct ProcDataParm dataParm = {
+        .data = data,
+        .dataType = PROC_DATA_STATIC,
+    };
+    struct ProcDirEntry *plimitFile = ProcCreateData(entryOpt->name, entryOpt->mode & mode, parentEntry,
+                                                     &entryOpt->ops, &dataParm);
+    if (plimitFile == NULL) {
+        return NULL;
+    }
+    return plimitFile;
+}
+
+static void ProcLimiterDirEntryInit(struct ProcDirEntry *dirEntry, unsigned mask, mode_t mode)
+{
+    struct ProcDirEntry *currDir = GetCurrDirectory(dirEntry);
+    if (currDir == NULL) {
+        return;
+    }
+
+    ProcLimiterSet *plimiterData = (ProcLimiterSet *)currDir->data;
+    if (plimiterData == NULL) {
+        return;
+    }
+
+    for (int index = 0; index < (sizeof(g_plimitsEntryOpts) / sizeof(struct PLimitsEntryOpt)); index++) {
+        struct PLimitsEntryOpt *entryOpt = &g_plimitsEntryOpts[index];
+        enum ProcLimiterID plimiterType = entryOpt->id;
+        if (!(BIT(plimiterType) & mask)) {
+            continue;
+        }
+
+        void *head = (entryOpt->offset == UNITPTR_NULL) ?
+                     plimiterData : (void *)plimiterData->limitsList[plimiterType];
+        struct ProcDirEntry *entry = ProcCreateLimiterFiles(currDir, entryOpt, mode, head);
+        if (entry == NULL) {
+            RemoveProcEntry(currDir->name, NULL);
+            return;
+        }
+    }
+    return;
+}
+
+static ssize_t PLimitsCopyLimits(struct ProcDirEntry *dirEntry)
+{
+    struct ProcDirEntry *parentPde = dirEntry->parent;
+    ProcLimiterSet *parentPLimits = (ProcLimiterSet *)parentPde->data;
+    if (parentPLimits == NULL) {
+        return -EINVAL;
+    }
+
+    ProcLimiterSet *newPLimits = OsPLimitsCreate(parentPLimits);
+    if (newPLimits == NULL) {
+        return -ENOMEM;
+    }
+    dirEntry->data = (VOID *)newPLimits;
+    dirEntry->dataType = PROC_DATA_STATIC;
+    dirEntry->procDirOps = parentPde->procDirOps;
+    ProcLimiterDirEntryInit(dirEntry, newPLimits->mask, PLIMIT_FILE_MODE_MASK_NONE);
+    return 0;
+}
+
+static int ProcfsPlimitsMkdir(struct ProcDirEntry *parent, const char *dirName, mode_t mode, struct ProcDirEntry **pde)
+{
+    int ret;
+    if (strcmp(parent->name, "plimits") != 0) {
+        return -EPERM;
+    }
+
+    struct ProcDirEntry *plimitDir = ProcCreateData(dirName, S_IFDIR | mode, parent, NULL, NULL);
+    if (plimitDir == NULL) {
+        return -EINVAL;
+    }
+
+    ret = PLimitsCopyLimits(plimitDir);
+    if (ret != LOS_OK) {
+        ProcFreeEntry(plimitDir);
+        return -ENOSYS;
+    }
+    *pde = plimitDir;
+    return ret;
+}
+
+static int ProcfsPlimitsRmdir(struct ProcDirEntry *parent, struct ProcDirEntry *pde, const char *name)
+{
+    if (pde == NULL) {
+        return -EINVAL;
+    }
+
+    ProcLimiterSet *plimits = GetProcLimiterSetFromDirEntry(pde);
+    pde->data = NULL;
+
+    unsigned ret = OsPLimitsFree(plimits);
+    if (ret != 0) {
+        pde->data = plimits;
+        return -ret;
+    }
+
+    spin_lock(&procfsLock);
+    ProcDetachNode(pde);
+    spin_unlock(&procfsLock);
+
+    RemoveProcEntryTravalsal(pde->subdir);
+
+    ProcFreeEntry(pde);
+    return 0;
+}
+
+static ssize_t ProcLimitsShowLimiters(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcLimiterSet *plimits = (ProcLimiterSet *)data;
+    UINT32 mask;
+    if (plimits == NULL) {
+        return -LOS_NOK;
+    }
+    mask = plimits->mask;
+
+    if (mask & BIT(PROCESS_LIMITER_ID_PIDS)) {
+        LosBufPrintf(seqBuf, "%s ", "pids");
+    }
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    if (mask & BIT(PROCESS_LIMITER_ID_MEM)) {
+        LosBufPrintf(seqBuf, "%s ", "memory");
+    }
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    if (mask & BIT(PROCESS_LIMITER_ID_IPC)) {
+        LosBufPrintf(seqBuf, "%s ", "ipc");
+    }
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+    if (mask & BIT(PROCESS_LIMITER_ID_DEV)) {
+        LosBufPrintf(seqBuf, "%s ", "devices");
+    }
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    if (mask & BIT(PROCESS_LIMITER_ID_SCHED)) {
+        LosBufPrintf(seqBuf, "%s ", "sched");
+    }
+#endif
+    return LOS_OK;
+}
+
+#define PLIMITS_PID_STR_LENGTH 4
+static int ShowPids(struct SeqBuf *seqBuf, VOID *data)
+{
+    unsigned int size, pidMax;
+    if (data == NULL) {
+        return -EINVAL;
+    }
+
+    const ProcLimiterSet *plimits = (const ProcLimiterSet *)data;
+    pidMax = LOS_GetSystemProcessMaximum();
+    size = pidMax * sizeof(unsigned int);
+    unsigned int *pids = (unsigned int *)LOS_MemAlloc(m_aucSysMem1, size);
+    if (pids == NULL) {
+        return -ENOMEM;
+    }
+    (void)memset_s(pids, size, 0, size);
+
+    unsigned int ret = OsPLimitsPidsGet(plimits, pids, size);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, pids);
+        return -ret;
+    }
+
+    (void)LosBufPrintf(seqBuf, "\n");
+    for (unsigned int index = 0; index < pidMax; index++) {
+        if (pids[index] == 0) {
+            continue;
+        }
+        (void)LosBufPrintf(seqBuf, "%u  ", index);
+    }
+    (void)LOS_MemFree(m_aucSysMem1, pids);
+    return 0;
+}
+
+static long long int GetPidLimitValue(struct ProcFile *pf, const CHAR *buf, size_t count)
+{
+    long long int value;
+    char *kbuf = NULL;
+
+    if ((pf == NULL) || (pf->pPDE == NULL) || (buf == NULL) || (count <= 0)) {
+        return -EINVAL;
+    }
+
+    unsigned ret = MemUserCopy(buf, count, &kbuf);
+    if (ret != 0) {
+        return -ret;
+    } else if ((ret == 0) && (kbuf != NULL)) {
+        buf = (const char *)kbuf;
+    }
+
+    if (strspn(buf, "0123456789") != count) {
+        (void)LOS_MemFree(m_aucSysMem1, kbuf);
+        return -EINVAL;
+    }
+    value = strtoll(buf, NULL, 10); /* 10: decimal */
+    (void)LOS_MemFree(m_aucSysMem1, kbuf);
+    return value;
+}
+
+static ssize_t PidMigrateFromProcLimiterSet(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (VOID)ppos;
+    unsigned ret;
+
+    long long int pid = GetPidLimitValue(pf, buf, count);
+    if (pid < 0) {
+        return pid;
+    }
+
+    ProcLimiterSet *plimits = GetCurrDirectory(pf->pPDE)->data;
+    ret = OsPLimitsAddPid(plimits, (unsigned int)pid);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t PidLimitReadPidLimit(struct SeqBuf *seqBuf, VOID *data)
+{
+    PidLimit *pidLimit = (PidLimit *)data;
+    if ((seqBuf == NULL) || (pidLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%u\n", pidLimit->pidLimit);
+    return 0;
+}
+
+static ssize_t PidLimitReadPriorityLimit(struct SeqBuf *seqBuf, VOID *data)
+{
+    PidLimit *pidLimit = (PidLimit *)data;
+    if ((seqBuf == NULL) || (pidLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%u\n", pidLimit->priorityLimit);
+    return 0;
+}
+
+static ssize_t PriorityLimitVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if (value < 0) {
+        return value;
+    }
+
+    PidLimit *pidLimit = (PidLimit *)pf->pPDE->data;
+    unsigned ret = PidLimitSetPriorityLimit(pidLimit, (unsigned)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t PidsMaxVariableWrite(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if (value < 0) {
+        return value;
+    }
+
+    PidLimit *pidLimit = (PidLimit *)pf->pPDE->data;
+    unsigned ret = PidLimitSetPidLimit(pidLimit, (unsigned)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+static ssize_t MemLimitReadLimit(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)data;
+    if ((seqBuf == NULL) || (memLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%llu\n", memLimit->limit);
+    return 0;
+}
+
+static ssize_t MemLimitWriteLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if ((value < 0) || (value > (long long int)OS_NULL_INT)) {
+        return value;
+    }
+
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)pf->pPDE->data;
+    unsigned ret = OsMemLimitSetMemLimit(memLimit, (unsigned long long)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t MemLimitStatShow(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcLimiterSet *plimits = (ProcLimiterSet *)data;
+    if ((seqBuf == NULL) || (plimits == NULL)) {
+        return -EINVAL;
+    }
+
+    UINT32 pidMax = LOS_GetSystemProcessMaximum();
+    UINT32 size = sizeof(ProcMemLimiter) + pidMax * sizeof(unsigned long long);
+    unsigned long long *usage = (unsigned long long *)LOS_MemAlloc(m_aucSysMem1, size);
+    if (usage == NULL) {
+        return -ENOMEM;
+    }
+    (void)memset_s(usage, size, 0, size);
+
+    unsigned int ret = OsPLimitsMemUsageGet(plimits, usage, size);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, usage);
+        return -ret;
+    }
+
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)usage;
+    unsigned long long *memUsage = (unsigned long long *)((uintptr_t)usage + sizeof(ProcMemLimiter));
+    (void)LosBufPrintf(seqBuf, "\nMem used: %llu\n", memLimit->usage);
+    (void)LosBufPrintf(seqBuf, "Mem peak: %llu\n", memLimit->peak);
+    (void)LosBufPrintf(seqBuf, "Mem failed count: %u\n", memLimit->failcnt);
+
+    for (unsigned int index = 0; index < pidMax; index++) {
+        if (memUsage[index] == 0) {
+            continue;
+        }
+        (void)LosBufPrintf(seqBuf, "PID: %u  mem used: %llu \n", index, memUsage[index]);
+    }
+    (void)LOS_MemFree(m_aucSysMem1, usage);
+    return 0;
+}
+#endif
+
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+static ssize_t IPCLimitReadMqLimit(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)data;
+    if ((seqBuf == NULL) || (ipcLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%u\n", ipcLimit->mqCountLimit);
+    return 0;
+}
+
+static ssize_t IPCLimitWriteMqLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if (value < 0) {
+        return value;
+    }
+
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)pf->pPDE->data;
+    unsigned ret = OsIPCLimitSetMqLimit(ipcLimit, (unsigned long long)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t IPCLimitReadShmLimit(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)data;
+    if ((seqBuf == NULL) || (ipcLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%u\n", ipcLimit->shmSizeLimit);
+    return 0;
+}
+
+static ssize_t IPCLimitWriteShmLimit(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if ((value < 0) || (value > (long long int)OS_NULL_INT)) {
+        return value;
+    }
+
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)pf->pPDE->data;
+    unsigned ret = OsIPCLimitSetShmLimit(ipcLimit, (unsigned long long)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t IPCLimitShowStat(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcLimiterSet *plimits = (ProcLimiterSet *)data;
+    if ((seqBuf == NULL) || (plimits == NULL)) {
+        return -EINVAL;
+    }
+
+    unsigned int size = sizeof(ProcIPCLimit);
+    ProcIPCLimit *newIPCLimit = (ProcIPCLimit *)LOS_MemAlloc(m_aucSysMem1, size);
+    if (newIPCLimit == NULL) {
+        return -ENOMEM;
+    }
+    (void)memset_s(newIPCLimit, size, 0, size);
+
+    unsigned int ret = OsPLimitsIPCStatGet(plimits, newIPCLimit, size);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, newIPCLimit);
+        return -ret;
+    }
+
+    (void)LosBufPrintf(seqBuf, "mq count: %u\n", newIPCLimit->mqCount);
+    (void)LosBufPrintf(seqBuf, "mq failed count: %u\n", newIPCLimit->mqFailedCount);
+    (void)LosBufPrintf(seqBuf, "shm size: %u\n", newIPCLimit->shmSize);
+    (void)LosBufPrintf(seqBuf, "shm failed count: %u\n", newIPCLimit->shmFailedCount);
+    (void)LOS_MemFree(m_aucSysMem1, newIPCLimit);
+    return 0;
+}
+#endif
+
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+static ssize_t DevLimitWriteAllow(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    char *kbuf = NULL;
+
+    if ((pf == NULL) || (pf->pPDE == NULL) || (buf == NULL) || (count <= 0)) {
+        return -EINVAL;
+    }
+
+    unsigned ret = MemUserCopy(buf, count, &kbuf);
+    if (ret != 0) {
+        return -ret;
+    } else if ((ret == 0) && (kbuf != NULL)) {
+        buf = (const char *)kbuf;
+    }
+
+    ProcLimiterSet *plimit = (ProcLimiterSet *)pf->pPDE->data;
+    ret = OsDevLimitWriteAllow(plimit, buf, count);
+    (VOID)LOS_MemFree(m_aucSysMem1, kbuf);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t DevLimitWriteDeny(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    char *kbuf = NULL;
+
+    if ((pf == NULL) || (pf->pPDE == NULL) || (buf == NULL) || (count <= 0)) {
+        return -EINVAL;
+    }
+
+    unsigned ret = MemUserCopy(buf, count, &kbuf);
+    if (ret != 0) {
+        return -ret;
+    } else if ((ret == 0) && (kbuf != NULL)) {
+        buf = (const char *)kbuf;
+    }
+
+    ProcLimiterSet *plimit = (ProcLimiterSet *)pf->pPDE->data;
+    ret = OsDevLimitWriteDeny(plimit, buf, count);
+    (VOID)LOS_MemFree(m_aucSysMem1, kbuf);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t DevLimitShow(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcDevLimit *devLimit = (ProcDevLimit *)data;
+    if ((seqBuf == NULL) || (devLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    unsigned ret = OsDevLimitShow(devLimit, seqBuf);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return 0;
+}
+#endif
+
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+static ssize_t SchedLimitReadPeriod(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)data;
+    if ((seqBuf == NULL) || (schedLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%lld\n", schedLimit->period);
+    return 0;
+}
+
+static ssize_t SchedLimitWritePeriod(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if (value < 0) {
+        return value;
+    }
+
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)pf->pPDE->data;
+    unsigned ret = OsSchedLimitSetPeriod(schedLimit, (unsigned long long)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+static ssize_t SchedLimitReadQuota(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)data;
+    if ((seqBuf == NULL) || (schedLimit == NULL)) {
+        return -EINVAL;
+    }
+
+    (void)LosBufPrintf(seqBuf, "%lld\n", schedLimit->quota);
+    return 0;
+}
+
+static ssize_t SchedLimitWriteQuota(struct ProcFile *pf, const CHAR *buf, size_t count, loff_t *ppos)
+{
+    (void)ppos;
+    long long int value = GetPidLimitValue(pf, buf, count);
+    if (value < 0) {
+        return value;
+    }
+
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)pf->pPDE->data;
+    unsigned ret = OsSchedLimitSetQuota(schedLimit, (unsigned long long)value);
+    if (ret != LOS_OK) {
+        return -ret;
+    }
+    return count;
+}
+
+#define TIME_CYCLE_TO_US(time) ((((UINT64)time) * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US)
+#define SCHED_DEFAULT_VALUE (0x101010101010101)
+
+static ssize_t SchedLimitShow(struct SeqBuf *seqBuf, VOID *data)
+{
+    ProcLimiterSet *plimits = (ProcLimiterSet *)data;
+    if ((seqBuf == NULL) || (plimits == NULL)) {
+        return -EINVAL;
+    }
+
+    UINT32 pidMax = LOS_GetSystemProcessMaximum();
+    UINT32 size = pidMax * sizeof(unsigned long long);
+    unsigned long long *usage = (unsigned long long *)LOS_MemAlloc(m_aucSysMem1, size);
+    if (usage == NULL) {
+        return -ENOMEM;
+    }
+    (void)memset_s(usage, size, 1, size);
+
+    unsigned int ret = OsPLimitsSchedUsageGet(plimits, usage, size);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, usage);
+        return -ret;
+    }
+
+    for (unsigned int index = 0; index < pidMax; index++) {
+        if (usage[index] == SCHED_DEFAULT_VALUE) {
+            continue;
+        }
+        (void)LosBufPrintf(seqBuf, "PID: %u  runTime: %llu us\n", index, TIME_CYCLE_TO_US(usage[index]));
+    }
+    (void)LOS_MemFree(m_aucSysMem1, usage);
+    return 0;
+}
+#endif
+
+#define PROC_PLIMITS_MODE (S_IFDIR | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
+void ProcLimitsInit(void)
+{
+    struct ProcDirEntry *parentPDE = CreateProcEntry("plimits", PROC_PLIMITS_MODE, NULL);
+    if (parentPDE == NULL) {
+        return;
+    }
+    ProcLimiterSet *plimits = OsRootPLimitsGet();
+    parentPDE->procDirOps = &g_procDirOperations;
+    parentPDE->data = (VOID *)plimits;
+    parentPDE->dataType = PROC_DATA_STATIC;
+    plimits->mask = BIT(PROCESS_LIMITER_ID_PIDS) | BIT(PROCESS_LIMITER_COUNT);
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    plimits->mask |= BIT(PROCESS_LIMITER_ID_MEM);
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    plimits->mask |= BIT(PROCESS_LIMITER_ID_IPC);
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+    plimits->mask |= BIT(PROCESS_LIMITER_ID_DEV);
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    plimits->mask |= BIT(PROCESS_LIMITER_ID_SCHED);
+#endif
+    ProcLimiterDirEntryInit(parentPDE, plimits->mask, PLIMIT_FILE_MODE_MASK_WRITE);
+    return;
+}
+#endif
--- a/fs/proc/os_adapt/proc_init.c
+++ b/fs/proc/os_adapt/proc_init.c
@@ -72,6 +72,12 @@ void ProcFsInit(void)
    ProcSysMemInfoInit();
    ProcFileSysInit();
 #endif
+#ifdef LOSCFG_KERNEL_PLIMITS
+    ProcLimitsInit();
+#endif
+#ifdef LOSCFG_KERNEL_CONTAINER
+    ProcSysUserInit();
+#endif
 }

 LOS_MODULE_INIT(ProcFsInit, LOS_INIT_LEVEL_KMOD_EXTENDED);
--- a/fs/proc/os_adapt/proc_vfs.c
+++ b/fs/proc/os_adapt/proc_vfs.c
@@ -239,6 +239,53 @@ int VfsProcfsStat(struct Vnode *node, struct stat *buf)
    return LOS_OK;
 }

+#ifdef LOSCFG_KERNEL_PLIMITS
+int VfsProcfsMkdir(struct Vnode *parent, const char *dirName, mode_t mode, struct Vnode **vnode)
+{
+    struct ProcDirEntry *parentEntry = VnodeToEntry(parent);
+    struct ProcDirEntry *pde = NULL;
+    if ((parentEntry->procDirOps == NULL) || (parentEntry->procDirOps->mkdir == NULL)) {
+        return -ENOSYS;
+    }
+
+    int ret = parentEntry->procDirOps->mkdir(parentEntry, dirName, mode, &pde);
+    if ((ret < 0) || (pde == NULL)) {
+        return ret;
+    }
+
+    *vnode = EntryToVnode(pde);
+    (*vnode)->vop = parent->vop;
+    (*vnode)->parent = parent;
+    (*vnode)->originMount = parent->originMount;
+    if ((*vnode)->type == VNODE_TYPE_DIR) {
+        (*vnode)->mode = S_IFDIR | PROCFS_DEFAULT_MODE;
+    } else {
+        (*vnode)->mode = S_IFREG | PROCFS_DEFAULT_MODE;
+    }
+    return ret;
+}
+
+int VfsProcfsRmdir(struct Vnode *parent, struct Vnode *vnode, const char *dirName)
+{
+    if (parent == NULL) {
+        return -EINVAL;
+    }
+
+    struct ProcDirEntry *parentEntry = VnodeToEntry(parent);
+    if ((parentEntry->procDirOps == NULL) || (parentEntry->procDirOps->rmdir == NULL)) {
+        return -ENOSYS;
+    }
+
+    struct ProcDirEntry *dirEntry = VnodeToEntry(vnode);
+    int ret = parentEntry->procDirOps->rmdir(parentEntry, dirEntry, dirName);
+    if (ret < 0) {
+        return ret;
+    }
+    vnode->data = NULL;
+    return 0;
+}
+#endif
+
 int VfsProcfsReaddir(struct Vnode *node, struct fs_dirent_s *dir)
 {
    int result;
@@ -350,7 +397,7 @@ int VfsProcfsClose(struct file *filep)
    VnodeHold();
    struct Vnode *node = filep->f_vnode;
    struct ProcDirEntry *pde = VnodeToEntry(node);
-    if (pde == NULL) {
+    if ((pde == NULL) || (pde->pf == NULL)) {
        VnodeDrop();
        return -EPERM;
    }
@@ -410,6 +457,10 @@ static struct VnodeOps g_procfsVops = {
    .Closedir = VfsProcfsClosedir,
    .Truncate = VfsProcfsTruncate,
    .Readlink = VfsProcfsReadlink,
+#ifdef LOSCFG_KERNEL_PLIMITS
+    .Mkdir = VfsProcfsMkdir,
+    .Rmdir = VfsProcfsRmdir,
+#endif
 };

 static struct file_operations_vfs g_procfsFops = {
--- a/fs/proc/os_adapt/process_proc.c
+++ b/fs/proc/os_adapt/process_proc.c
@@ -91,6 +91,8 @@ static ssize_t ProcessContainerLink(unsigned int containerID, ContainerType type
        count = snprintf_s(buffer, bufLen, bufLen - 1, "'time:[%u]'", containerID);
    } else if (type == USER_CONTAINER) {
        count = snprintf_s(buffer, bufLen, bufLen - 1, "'user:[%u]'", containerID);
+    }  else if (type == NET_CONTAINER) {
+        count = snprintf_s(buffer, bufLen, bufLen - 1, "'net:[%u]'", containerID);
    }

    if (count < 0) {
@@ -101,6 +103,8 @@ static ssize_t ProcessContainerLink(unsigned int containerID, ContainerType type

 static ssize_t ProcessContainerReadLink(struct ProcDirEntry *entry, char *buffer, size_t bufLen)
 {
+    char *freeBuf = NULL;
+    char *buf = buffer;
    ssize_t count;
    unsigned int intSave;
    if (entry == NULL) {
@@ -110,17 +114,41 @@ static ssize_t ProcessContainerReadLink(struct ProcDirEntry *entry, char *buffer
    if (data == NULL) {
        return -EINVAL;
    }
+
+    if (LOS_IsUserAddressRange((VADDR_T)(UINTPTR)buffer, bufLen)) {
+        buf = LOS_MemAlloc(m_aucSysMem1, bufLen);
+        if (buf == NULL) {
+            return -ENOMEM;
+        }
+        (void)memset_s(buf, bufLen, 0, bufLen);
+        freeBuf = buf;
+    }
+
    LosProcessCB *processCB = ProcGetProcessCB(data);
    SCHEDULER_LOCK(intSave);
    UINT32 containerID = OsGetContainerID(processCB, (ContainerType)data->type);
    SCHEDULER_UNLOCK(intSave);
    if (containerID != OS_INVALID_VALUE) {
-        return ProcessContainerLink(containerID, (ContainerType)data->type, buffer, bufLen);
+        count = ProcessContainerLink(containerID, (ContainerType)data->type, buf, bufLen);
+    } else {
+        count = strlen("(unknown)");
+        if (memcpy_s(buf, bufLen, "(unknown)", count + 1) != EOK) {
+            (void)LOS_MemFree(m_aucSysMem1, freeBuf);
+            return -EBADF;
+        }
    }
-    count = strlen("(unknown)");
-    if (memcpy_s(buffer, bufLen, "(unknown)", count + 1) != EOK) {
-        return -EBADF;
+    if (count < 0) {
+        (void)LOS_MemFree(m_aucSysMem1, freeBuf);
+        return count;
    }
+
+    if (LOS_IsUserAddressRange((VADDR_T)(UINTPTR)buffer, bufLen)) {
+        if (LOS_ArchCopyToUser(buffer, buf, bufLen) != 0) {
+            (void)LOS_MemFree(m_aucSysMem1, freeBuf);
+            return -EFAULT;
+        }
+    }
+    (void)LOS_MemFree(m_aucSysMem1, freeBuf);
    return count;
 }

@@ -574,6 +602,14 @@ static struct ProcProcess g_procProcess[] = {
        .fileOps = &UID_GID_MAP_FOPS
    },
 #endif
+#ifdef LOSCFG_IPC_CONTAINER
+    {
+        .name = "container/net",
+        .mode = S_IFLNK,
+        .type = NET_CONTAINER,
+        .fileOps = &PID_CONTAINER_FOPS
+    },
+#endif
 #endif
 };

@@ -588,6 +624,7 @@ void ProcFreeProcessDir(struct ProcDirEntry *processDir)
 static struct ProcDirEntry *ProcCreatePorcess(UINT32 pid, struct ProcProcess *porcess, uintptr_t processCB)
 {
    int ret;
+    struct ProcDataParm dataParm;
    char pidName[PROC_PID_DIR_LEN] = {0};
    struct ProcessData *data = (struct ProcessData *)malloc(sizeof(struct ProcessData));
    if (data == NULL) {
@@ -613,7 +650,9 @@ static struct ProcDirEntry *ProcCreatePorcess(UINT32 pid, struct ProcProcess *po

    data->process = processCB;
    data->type = porcess->type;
-    struct ProcDirEntry *container = ProcCreateData(pidName, porcess->mode, NULL, porcess->fileOps, (void *)data);
+    dataParm.data = data;
+    dataParm.dataType = PROC_DATA_FREE;
+    struct ProcDirEntry *container = ProcCreateData(pidName, porcess->mode, NULL, porcess->fileOps, &dataParm);
    if (container == NULL) {
        free(data);
        PRINT_ERR("create /proc/%s error!\n", pidName);
--- a/fs/proc/os_adapt/sys_user.c
+++ b/fs/proc/os_adapt/sys_user.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/statfs.h>
+#include <sys/mount.h>
+#include "proc_fs.h"
+#include "internal.h"
+#include "los_process_pri.h"
+#include "user_copy.h"
+#include "los_memory.h"
+
+#ifdef LOSCFG_KERNEL_CONTAINER
+struct ProcSysUser {
+    char         *name;
+    mode_t       mode;
+    int          type;
+    const struct ProcFileOperations *fileOps;
+};
+
+static unsigned int MemUserCopy(const char *src, size_t len, char **kbuf)
+{
+    if (LOS_IsUserAddressRange((VADDR_T)(UINTPTR)src, len)) {
+        char *kernelBuf = LOS_MemAlloc(m_aucSysMem1, len + 1);
+        if (kernelBuf == NULL) {
+            return ENOMEM;
+        }
+
+        if (LOS_ArchCopyFromUser(kernelBuf, src, len) != 0) {
+            (VOID)LOS_MemFree(m_aucSysMem1, kernelBuf);
+            return EFAULT;
+        }
+        kernelBuf[len] = '\0';
+        *kbuf = kernelBuf;
+        return 0;
+    }
+    return 0;
+}
+
+static int GetContainerLimitValue(struct ProcFile *pf, const CHAR *buf, size_t count)
+{
+    int value;
+    char *kbuf = NULL;
+
+    if ((pf == NULL) || (pf->pPDE == NULL) || (buf == NULL) || (count <= 0)) {
+        return -EINVAL;
+    }
+
+    unsigned ret = MemUserCopy(buf, count, &kbuf);
+    if (ret != 0) {
+        return -ret;
+    } else if ((ret == 0) && (kbuf != NULL)) {
+        buf = (const char *)kbuf;
+    }
+
+    if (strspn(buf, "0123456789") != count) {
+        (void)LOS_MemFree(m_aucSysMem1, kbuf);
+        return -EINVAL;
+    }
+    value = atoi(buf);
+    (void)LOS_MemFree(m_aucSysMem1, kbuf);
+    return value;
+}
+
+static ssize_t ProcSysUserWrite(struct ProcFile *pf, const char *buf, size_t size, loff_t *ppos)
+{
+    (void)ppos;
+    unsigned ret;
+    int value = GetContainerLimitValue(pf, buf, size);
+    if (value < 0) {
+        return -EINVAL;
+    }
+
+    ContainerType type = (ContainerType)(uintptr_t)pf->pPDE->data;
+    ret = OsSetContainerLimit(type, value);
+    if (ret != LOS_OK) {
+        return -EINVAL;
+    }
+    return size;
+}
+
+static int ProcSysUserRead(struct SeqBuf *seqBuf, void *v)
+{
+    unsigned ret;
+    if ((seqBuf == NULL) || (v == NULL)) {
+        return EINVAL;
+    }
+
+    ContainerType type = (ContainerType)(uintptr_t)v;
+    ret = OsGetContainerLimit(type);
+    if (ret == OS_INVALID_VALUE) {
+        return EINVAL;
+    }
+    (void)LosBufPrintf(seqBuf, "\nlimit: %u\n", ret);
+    (void)LosBufPrintf(seqBuf, "count: %u\n", OsGetContainerCount(type));
+    return 0;
+}
+
+static const struct ProcFileOperations SYS_USER_OPT = {
+    .read = ProcSysUserRead,
+    .write = ProcSysUserWrite,
+};
+
+static struct ProcSysUser g_sysUser[] = {
+#ifdef LOSCFG_MNT_CONTAINER
+    {
+        .name = "max_mnt_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = MNT_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+
+    },
+#endif
+#ifdef LOSCFG_PID_CONTAINER
+    {
+        .name = "max_pid_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = PID_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+    },
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+    {
+        .name = "max_user_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = USER_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+
+    },
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+    {
+        .name = "max_uts_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = UTS_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+
+    },
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+    {
+        .name = "max_time_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = UTS_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+
+    },
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+    {
+        .name = "max_ipc_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = IPC_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+    },
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    {
+        .name = "max_net_container",
+        .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH,
+        .type = NET_CONTAINER,
+        .fileOps = &SYS_USER_OPT
+    },
+#endif
+};
+
+static int ProcCreateSysUser(struct ProcDirEntry *parent)
+{
+    struct ProcDataParm parm;
+    for (int index = 0; index < (sizeof(g_sysUser) / sizeof(struct ProcSysUser)); index++) {
+        struct ProcSysUser *sysUser = &g_sysUser[index];
+        parm.data = (void *)(uintptr_t)sysUser->type;
+        parm.dataType = PROC_DATA_STATIC;
+        struct ProcDirEntry *userFile = ProcCreateData(sysUser->name, sysUser->mode, parent, sysUser->fileOps, &parm);
+        if (userFile == NULL) {
+            PRINT_ERR("create /proc/%s/%s error!\n", parent->name, sysUser->name);
+            return -1;
+        }
+    }
+    return 0;
+}
+
+#define PROC_SYS_USER_MODE (S_IFDIR | S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
+void ProcSysUserInit(void)
+{
+    struct ProcDirEntry *parentPDE = CreateProcEntry("sys", PROC_SYS_USER_MODE, NULL);
+    if (parentPDE == NULL) {
+        return;
+    }
+    struct ProcDirEntry *pde = CreateProcEntry("user", PROC_SYS_USER_MODE, parentPDE);
+    if (pde == NULL) {
+        PRINT_ERR("create /proc/process error!\n");
+        return;
+    }
+
+    int ret = ProcCreateSysUser(pde);
+    if (ret < 0) {
+        PRINT_ERR("Create proc sys user failed!\n");
+    }
+    return;
+}
+#endif
--- a/fs/proc/src/proc_file.c
+++ b/fs/proc/src/proc_file.c
@@ -296,7 +296,7 @@ static int ProcAddNode(struct ProcDirEntry *parent, struct ProcDirEntry *pn)
    return 0;
 }

-static void ProcDetachNode(struct ProcDirEntry *pn)
+void ProcDetachNode(struct ProcDirEntry *pn)
 {
    struct ProcDirEntry *parent = pn->parent;
    struct ProcDirEntry **iter = NULL;
@@ -379,7 +379,7 @@ struct ProcDirEntry *CreateProcEntry(const char *name, mode_t mode, struct ProcD
    return pde;
 }

-static void ProcEntryClearVnode(struct ProcDirEntry *entry)
+void ProcEntryClearVnode(struct ProcDirEntry *entry)
 {
    struct Vnode *item = NULL;
    struct Vnode *nextItem = NULL;
@@ -404,16 +404,14 @@ static void FreeProcEntry(struct ProcDirEntry *entry)
        return;
    }

-    ProcEntryClearVnode(entry);
-
    if (entry->pf != NULL) {
        free(entry->pf);
        entry->pf = NULL;
    }
-    if (entry->data != NULL) {
+    if ((entry->dataType == PROC_DATA_FREE) && (entry->data != NULL)) {
        free(entry->data);
-        entry->data = NULL;
    }
+    entry->data = NULL;
    free(entry);
 }

@@ -424,7 +422,7 @@ void ProcFreeEntry(struct ProcDirEntry *pn)
    }
 }

-static void RemoveProcEntryTravalsal(struct ProcDirEntry *pn)
+void RemoveProcEntryTravalsal(struct ProcDirEntry *pn)
 {
    if (pn == NULL) {
        return;
@@ -432,6 +430,8 @@ static void RemoveProcEntryTravalsal(struct ProcDirEntry *pn)
    RemoveProcEntryTravalsal(pn->next);
    RemoveProcEntryTravalsal(pn->subdir);

+    ProcEntryClearVnode(pn);
+
    ProcFreeEntry(pn);
 }

@@ -461,6 +461,9 @@ void RemoveProcEntry(const char *name, struct ProcDirEntry *parent)
    spin_unlock(&procfsLock);

    RemoveProcEntryTravalsal(pn->subdir);
+
+    ProcEntryClearVnode(pn);
+
    ProcFreeEntry(pn);
 }

@@ -475,14 +478,17 @@ struct ProcDirEntry *ProcMkdir(const char *name, struct ProcDirEntry *parent)
 }

 struct ProcDirEntry *ProcCreateData(const char *name, mode_t mode, struct ProcDirEntry *parent,
-                                    const struct ProcFileOperations *procFileOps, void *data)
+                                    const struct ProcFileOperations *procFileOps, struct ProcDataParm *param)
 {
    struct ProcDirEntry *pde = CreateProcEntry(name, mode, parent);
    if (pde != NULL) {
        if (procFileOps != NULL) {
            pde->procFileOps = procFileOps;
        }
-        pde->data = data;
+        if (param != NULL) {
+            pde->data = param->data;
+            pde->dataType = param->dataType;
+        }
    }
    return pde;
 }
@@ -644,7 +650,6 @@ int WriteProcFile(struct ProcDirEntry *pde, const void *buf, size_t len)
        result = pde->procFileOps->write(pde->pf, (const char *)buf, len, &(pde->pf->fPos));
    }
    spin_unlock(&procfsLock);
-
    return result;
 }

--- a/fs/ramfs/BUILD.gn
+++ b/fs/ramfs/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_FS_RAMFS)
 module_name = get_path_info(rebase_path("."), "name")
--- a/fs/romfs/BUILD.gn
+++ b/fs/romfs/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_FS_ROMFS)
 module_name = get_path_info(rebase_path("."), "name")
--- a/fs/vfs/BUILD.gn
+++ b/fs/vfs/BUILD.gn
@@ -28,17 +28,14 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_FS_VFS)
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
  sources = [
-    "$LITEOSTOPDIR/fs/vfs/epoll/fs_epoll.c",
-    "$LITEOSTOPDIR/fs/vfs/mount.c",
-    "$LITEOSTOPDIR/fs/vfs/path_cache.c",
-    "$LITEOSTOPDIR/fs/vfs/vnode.c",
-    "$LITEOSTOPDIR/fs/vfs/vnode_hash.c",
+    "epoll/fs_epoll.c",
+    "mount.c",
    "operation/fullpath.c",
    "operation/vfs_chattr.c",
    "operation/vfs_check.c",
@@ -55,7 +52,10 @@ kernel_module(module_name) {
    "operation/vfs_readv.c",
    "operation/vfs_utime.c",
    "operation/vfs_writev.c",
+    "path_cache.c",
    "vfs_cmd/vfs_shellcmd.c",
+    "vnode.c",
+    "vnode_hash.c",
  ]
  sources += NUTTX_FS_DIRENT_SRC_FILES
  sources += NUTTX_FS_DRIVER_SRC_FILES
--- a/fs/vfs/vnode.c
+++ b/fs/vfs/vnode.c
@@ -138,7 +138,7 @@ int VnodeAlloc(struct VnodeOps *vop, struct Vnode **newVnode)
    VnodeHold();
    vnode = GetFromFreeList();
    if ((vnode == NULL) && g_totalVnodeSize < LOSCFG_MAX_VNODE_SIZE) {
-        vnode = (struct Vnode*)zalloc(sizeof(struct Vnode));
+        vnode = (struct Vnode *)zalloc(sizeof(struct Vnode));
        g_totalVnodeSize++;
    }

--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -67,46 +67,6 @@ config PAGE_TABLE_FINE_LOCK
    help
      This option will enable fine lock for page table.

-######################### config options of container ####################
-config KERNEL_CONTAINER
-    bool "Enable container Feature"
-    default n
-    depends on KERNEL_VM
-
-config PID_CONTAINER
-    bool "Enable pid container Feature"
-    default n
-    depends on KERNEL_CONTAINER
-
-config UTS_CONTAINER
-    bool "Enable uts container Feature"
-    default n
-    depends on KERNEL_CONTAINER
-
-config MNT_CONTAINER
-    bool "Enable mnt container Feature"
-    default n
-    depends on KERNEL_CONTAINER
-
-config CHROOT
-    bool "Enable chroot"
-    default n
-    depends on MNT_CONTAINER
-
-config IPC_CONTAINER
-    bool "Enable ipc container Feature"
-    default n
-    depends on KERNEL_CONTAINER
-
-config TIME_CONTAINER
-    bool "Enable time container"
-    default n
-    depends on KERNEL_CONTAINER
-
-config USER_CONTAINER
-    bool "Enable user container"
-    default n
-    depends on KERNEL_CONTAINER

 ######################### config options of extended #####################
 source "kernel/extended/Kconfig"
--- a/kernel/base/BUILD.gn
+++ b/kernel/base/BUILD.gn
@@ -32,14 +32,6 @@ import("//kernel/liteos_a/liteos.gni")
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
  sources = [
-    "container/los_container.c",
-    "container/los_credentials.c",
-    "container/los_ipc_container.c",
-    "container/los_mnt_container.c",
-    "container/los_pid_container.c",
-    "container/los_time_container.c",
-    "container/los_user_container.c",
-    "container/los_uts_container.c",
    "core/los_bitmap.c",
    "core/los_info.c",
    "core/los_process.c",
@@ -75,6 +67,7 @@ kernel_module(module_name) {
    "mp/los_percpu.c",
    "mp/los_spinlock.c",
    "om/los_err.c",
+    "sched/los_deadline.c",
    "sched/los_idle.c",
    "sched/los_priority.c",
    "sched/los_sched.c",
--- a/kernel/base/Makefile
+++ b/kernel/base/Makefile
@@ -39,7 +39,6 @@ LOCAL_SRCS := 	$(wildcard ipc/*.c) $(wildcard core/*.c) $(wildcard mem/membox/*.
 		$(wildcard mp/*.c) \
 		$(wildcard sched/*.c) \
 		$(wildcard vm/*.c) \
-		$(wildcard container/*.c)


 LOCAL_FLAGS := $(LITEOS_CFLAGS_INTERWORK) -Wno-frame-address
--- a/kernel/base/core/los_info.c
+++ b/kernel/base/core/los_info.c
@@ -109,6 +109,7 @@ STATIC VOID GetProcessInfo(ProcessInfo *pcbInfo, const LosProcessCB *processCB)
    (VOID)memcpy_s(pcbInfo->name, OS_PCB_NAME_LEN, processCB->processName, OS_PCB_NAME_LEN);
 }

+#ifdef LOSCFG_KERNEL_VM
 STATIC VOID GetProcessMemInfo(ProcessInfo *pcbInfo, const LosProcessCB *processCB, LosVmSpace *vmSpace)
 {
    /* Process memory usage statistics, idle task defaults to 0 */
@@ -130,6 +131,7 @@ STATIC VOID GetProcessMemInfo(ProcessInfo *pcbInfo, const LosProcessCB *processC
        }
    }
 }
+#endif

 STATIC VOID GetThreadInfo(ProcessThreadInfo *threadInfo, LosProcessCB *processCB)
 {
@@ -182,7 +184,9 @@ UINT32 OsGetProcessThreadInfo(UINT32 pid, ProcessThreadInfo *threadInfo)
        return LOS_NOK;
    }

+#ifdef LOSCFG_KERNEL_VM
    GetProcessMemInfo(&threadInfo->processInfo, processCB, processCB->vmSpace);
+#endif

    SCHEDULER_LOCK(intSave);
    GetProcessInfo(&threadInfo->processInfo, processCB);
@@ -210,11 +214,14 @@ STATIC VOID ProcessMemUsageGet(ProcessInfo *pcbArray)
            pcbInfo->status = OS_PROCESS_FLAG_UNUSED;
            continue;
        }
-
+#ifdef LOSCFG_KERNEL_VM
        LosVmSpace *vmSpace  = processCB->vmSpace;
+#endif
        SCHEDULER_UNLOCK(intSave);

+#ifdef LOSCFG_KERNEL_VM
        GetProcessMemInfo(pcbInfo, processCB, vmSpace);
+#endif
    }
 }

--- a/kernel/base/core/los_process.c
+++ b/kernel/base/core/los_process.c
@@ -442,7 +442,7 @@ LITE_OS_SEC_TEXT VOID OsProcessResourcesToFree(LosProcessCB *processCB)
 #endif

 #ifdef LOSCFG_KERNEL_CONTAINER
-    OsContainersDestroy(processCB);
+    OsOsContainersDestroyEarly(processCB);
 #endif

 #ifdef LOSCFG_FS_VFS
@@ -452,6 +452,13 @@ LITE_OS_SEC_TEXT VOID OsProcessResourcesToFree(LosProcessCB *processCB)
    processCB->files = NULL;
 #endif

+#ifdef LOSCFG_KERNEL_CONTAINER
+    OsContainersDestroy(processCB);
+#endif
+
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsPLimitsDeleteProcess(processCB);
+#endif
    if (processCB->resourceLimit != NULL) {
        (VOID)LOS_MemFree((VOID *)m_aucSysMem0, processCB->resourceLimit);
        processCB->resourceLimit = NULL;
@@ -606,7 +613,9 @@ UINT32 OsProcessInit(VOID)
 #ifdef LOSCFG_KERNEL_CONTAINER
    OsInitRootContainer();
 #endif
-
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsProcLimiterSetInit();
+#endif
    SystemProcessEarlyInit(OsGetIdleProcess());
    SystemProcessEarlyInit(OsGetUserInitProcess());
    SystemProcessEarlyInit(OsGetKernelInitProcess());
@@ -883,6 +892,13 @@ STATIC UINT32 OsSystemProcessInit(LosProcessCB *processCB, UINT32 flags, const C
    }
 #endif

+#ifdef LOSCFG_KERNEL_PLIMITS
+    ret = OsPLimitsAddProcess(NULL, processCB);
+    if (ret != LOS_OK) {
+        ret = LOS_ENOMEM;
+        goto EXIT;
+    }
+#endif
    return LOS_OK;

 EXIT:
@@ -923,7 +939,37 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsSystemProcessCreate(VOID)
    return LOS_OK;
 }

-STATIC INLINE INT32 OsProcessSchedlerParamCheck(INT32 which, INT32 pid, UINT16 prio, UINT16 policy)
+INT32 OsSchedulerParamCheck(UINT16 policy, BOOL isThread, const LosSchedParam *param)
+{
+    if (param == NULL) {
+        return LOS_EINVAL;
+    }
+
+    if ((policy == LOS_SCHED_RR) || (isThread && (policy == LOS_SCHED_FIFO))) {
+        if ((param->priority < OS_PROCESS_PRIORITY_HIGHEST) ||
+            (param->priority > OS_PROCESS_PRIORITY_LOWEST)) {
+            return LOS_EINVAL;
+        }
+        return LOS_OK;
+    }
+
+    if (policy == LOS_SCHED_DEADLINE) {
+        if ((param->runTimeUs < OS_SCHED_EDF_MIN_RUNTIME) || (param->runTimeUs >= param->deadlineUs)) {
+            return LOS_EINVAL;
+        }
+        if ((param->deadlineUs < OS_SCHED_EDF_MIN_DEADLINE) || (param->deadlineUs > OS_SCHED_EDF_MAX_DEADLINE)) {
+            return LOS_EINVAL;
+        }
+        if (param->periodUs < param->deadlineUs) {
+            return LOS_EINVAL;
+        }
+        return LOS_OK;
+    }
+
+    return LOS_EINVAL;
+}
+
+STATIC INLINE INT32 ProcessSchedulerParamCheck(INT32 which, INT32 pid, UINT16 policy, const LosSchedParam *param)
 {
    if (OS_PID_CHECK_INVALID(pid)) {
        return LOS_EINVAL;
@@ -933,19 +979,11 @@ STATIC INLINE INT32 OsProcessSchedlerParamCheck(INT32 which, INT32 pid, UINT16 p
        return LOS_EINVAL;
    }

-    if (prio > OS_PROCESS_PRIORITY_LOWEST) {
-        return LOS_EINVAL;
-    }
-
-    if (policy != LOS_SCHED_RR) {
-        return LOS_EINVAL;
-    }
-
-    return LOS_OK;
+    return OsSchedulerParamCheck(policy, FALSE, param);
 }

 #ifdef LOSCFG_SECURITY_CAPABILITY
-STATIC BOOL OsProcessCapPermitCheck(const LosProcessCB *processCB, const SchedParam *param, UINT16 prio)
+STATIC BOOL OsProcessCapPermitCheck(const LosProcessCB *processCB, const SchedParam *param, UINT16 policy, UINT16 prio)
 {
    LosProcessCB *runProcess = OsCurrProcessGet();

@@ -955,7 +993,7 @@ STATIC BOOL OsProcessCapPermitCheck(const LosProcessCB *processCB, const SchedPa
    }

    /* user mode process can reduce the priority of itself */
-    if ((runProcess->processID == processCB->processID) && (prio > param->basePrio)) {
+    if ((runProcess->processID == processCB->processID) && (policy == LOS_SCHED_RR) && (prio > param->basePrio)) {
        return TRUE;
    }

@@ -967,12 +1005,13 @@ STATIC BOOL OsProcessCapPermitCheck(const LosProcessCB *processCB, const SchedPa
 }
 #endif

-LITE_OS_SEC_TEXT INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 prio, UINT16 policy)
+LITE_OS_SEC_TEXT INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 policy, const LosSchedParam *schedParam)
 {
    SchedParam param = { 0 };
+    BOOL needSched = FALSE;
    UINT32 intSave;

-    INT32 ret = OsProcessSchedlerParamCheck(which, pid, prio, policy);
+    INT32 ret = ProcessSchedulerParamCheck(which, pid, policy, schedParam);
    if (ret != LOS_OK) {
        return -ret;
    }
@@ -980,22 +1019,45 @@ LITE_OS_SEC_TEXT INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 prio
    LosProcessCB *processCB = OS_PCB_FROM_PID(pid);
    SCHEDULER_LOCK(intSave);
    if (OsProcessIsInactive(processCB)) {
-        ret = LOS_ESRCH;
-        goto EXIT;
+        SCHEDULER_UNLOCK(intSave);
+        return -LOS_ESRCH;
    }

-#ifdef LOSCFG_SECURITY_CAPABILITY
-    if (!OsProcessCapPermitCheck(processCB, &param, prio)) {
-        ret = LOS_EPERM;
-        goto EXIT;
-    }
-#endif
-
    LosTaskCB *taskCB = processCB->threadGroup;
    taskCB->ops->schedParamGet(taskCB, &param);
-    param.basePrio = prio;

-    BOOL needSched = taskCB->ops->schedParamModify(taskCB, &param);
+#ifdef LOSCFG_SECURITY_CAPABILITY
+    if (!OsProcessCapPermitCheck(processCB, &param, policy, schedParam->priority)) {
+        SCHEDULER_UNLOCK(intSave);
+        return -LOS_EPERM;
+    }
+#endif
+
+    if (param.policy != policy) {
+        if (policy == LOS_SCHED_DEADLINE) { /* HPF -> EDF */
+            if (processCB->threadNumber > 1) {
+                SCHEDULER_UNLOCK(intSave);
+                return -LOS_EPERM;
+            }
+            OsSchedParamInit(taskCB, policy, NULL, schedParam);
+            needSched = TRUE;
+            goto TO_SCHED;
+        } else if (param.policy == LOS_SCHED_DEADLINE) { /* EDF -> HPF */
+            SCHEDULER_UNLOCK(intSave);
+            return -LOS_EPERM;
+        }
+    }
+
+    if (policy == LOS_SCHED_DEADLINE) {
+        param.runTimeUs = schedParam->runTimeUs;
+        param.deadlineUs = schedParam->deadlineUs;
+        param.periodUs = schedParam->periodUs;
+    } else {
+        param.basePrio = schedParam->priority;
+    }
+    needSched = taskCB->ops->schedParamModify(taskCB, &param);
+
+TO_SCHED:
    SCHEDULER_UNLOCK(intSave);

    LOS_MpSchedule(OS_MP_CPU_ALL);
@@ -1003,25 +1065,26 @@ LITE_OS_SEC_TEXT INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 prio
        LOS_Schedule();
    }
    return LOS_OK;
-
-EXIT:
-    SCHEDULER_UNLOCK(intSave);
-    return -ret;
 }

-LITE_OS_SEC_TEXT INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, UINT16 prio)
+LITE_OS_SEC_TEXT INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, const LosSchedParam *schedParam)
 {
-    return OsSetProcessScheduler(LOS_PRIO_PROCESS, pid, prio, policy);
+    return OsSetProcessScheduler(LOS_PRIO_PROCESS, pid, policy, schedParam);
 }

-LITE_OS_SEC_TEXT INT32 LOS_GetProcessScheduler(INT32 pid)
+LITE_OS_SEC_TEXT INT32 LOS_GetProcessScheduler(INT32 pid, INT32 *policy, LosSchedParam *schedParam)
 {
    UINT32 intSave;
+    SchedParam param = { 0 };

    if (OS_PID_CHECK_INVALID(pid)) {
        return -LOS_EINVAL;
    }

+    if ((policy == NULL) && (schedParam == NULL)) {
+        return -LOS_EINVAL;
+    }
+
    SCHEDULER_LOCK(intSave);
    LosProcessCB *processCB = OS_PCB_FROM_PID(pid);
    if (OsProcessIsUnused(processCB)) {
@@ -1029,14 +1092,48 @@ LITE_OS_SEC_TEXT INT32 LOS_GetProcessScheduler(INT32 pid)
        return -LOS_ESRCH;
    }

+    LosTaskCB *taskCB = processCB->threadGroup;
+    taskCB->ops->schedParamGet(taskCB, &param);
    SCHEDULER_UNLOCK(intSave);

-    return LOS_SCHED_RR;
+    if (policy != NULL) {
+        if (param.policy == LOS_SCHED_FIFO) {
+            *policy = LOS_SCHED_RR;
+        } else {
+            *policy = param.policy;
+        }
+    }
+
+    if (schedParam != NULL) {
+        if (param.policy == LOS_SCHED_DEADLINE) {
+            schedParam->runTimeUs = param.runTimeUs;
+            schedParam->deadlineUs = param.deadlineUs;
+            schedParam->periodUs = param.periodUs;
+        } else {
+            schedParam->priority = param.basePrio;
+        }
+    }
+    return LOS_OK;
 }

-LITE_OS_SEC_TEXT INT32 LOS_SetProcessPriority(INT32 pid, UINT16 prio)
+LITE_OS_SEC_TEXT INT32 LOS_SetProcessPriority(INT32 pid, INT32 prio)
 {
-    return OsSetProcessScheduler(LOS_PRIO_PROCESS, pid, prio, LOS_GetProcessScheduler(pid));
+    INT32 ret;
+    INT32 policy;
+    LosSchedParam param = {
+        .priority = prio,
+    };
+
+    ret = LOS_GetProcessScheduler(pid, &policy, NULL);
+    if (ret != LOS_OK) {
+        return ret;
+    }
+
+    if (policy == LOS_SCHED_DEADLINE) {
+        return -LOS_EINVAL;
+    }
+
+    return OsSetProcessScheduler(LOS_PRIO_PROCESS, pid, (UINT16)policy, &param);
 }

 LITE_OS_SEC_TEXT INT32 OsGetProcessPriority(INT32 which, INT32 pid)
@@ -1063,6 +1160,11 @@ LITE_OS_SEC_TEXT INT32 OsGetProcessPriority(INT32 which, INT32 pid)
    LosTaskCB *taskCB = processCB->threadGroup;
    taskCB->ops->schedParamGet(taskCB, &param);

+    if (param.policy == LOS_SCHED_DEADLINE) {
+        SCHEDULER_UNLOCK(intSave);
+        return -LOS_EINVAL;
+    }
+
    SCHEDULER_UNLOCK(intSave);
    return param.basePrio;
 }
@@ -1834,6 +1936,38 @@ STATIC UINT32 OsCopyUser(LosProcessCB *childCB, LosProcessCB *parentCB)
    return LOS_OK;
 }

+STATIC VOID GetCopyTaskParam(LosProcessCB *childProcessCB, UINTPTR entry, UINT32 size,
+                             TSK_INIT_PARAM_S *taskParam, SchedParam *param)
+{
+    UINT32 intSave;
+    LosTaskCB *runTask = OsCurrTaskGet();
+
+    SCHEDULER_LOCK(intSave);
+    if (OsProcessIsUserMode(childProcessCB)) {
+        taskParam->pfnTaskEntry = runTask->taskEntry;
+        taskParam->uwStackSize = runTask->stackSize;
+        taskParam->userParam.userArea = runTask->userArea;
+        taskParam->userParam.userMapBase = runTask->userMapBase;
+        taskParam->userParam.userMapSize = runTask->userMapSize;
+    } else {
+        taskParam->pfnTaskEntry = (TSK_ENTRY_FUNC)entry;
+        taskParam->uwStackSize = size;
+    }
+    if (runTask->taskStatus & OS_TASK_FLAG_PTHREAD_JOIN) {
+        taskParam->uwResved = LOS_TASK_ATTR_JOINABLE;
+    }
+
+    runTask->ops->schedParamGet(runTask, param);
+    SCHEDULER_UNLOCK(intSave);
+
+    taskParam->policy = param->policy;
+    taskParam->runTimeUs = param->runTimeUs;
+    taskParam->deadlineUs = param->deadlineUs;
+    taskParam->periodUs = param->periodUs;
+    taskParam->usTaskPrio = param->priority;
+    taskParam->processID = (UINTPTR)childProcessCB;
+}
+
 STATIC UINT32 OsCopyTask(UINT32 flags, LosProcessCB *childProcessCB, const CHAR *name, UINTPTR entry, UINT32 size)
 {
    LosTaskCB *runTask = OsCurrTaskGet();
@@ -1841,28 +1975,8 @@ STATIC UINT32 OsCopyTask(UINT32 flags, LosProcessCB *childProcessCB, const CHAR
    UINT32 ret, taskID, intSave;
    SchedParam param = { 0 };

-    SCHEDULER_LOCK(intSave);
-    if (OsProcessIsUserMode(childProcessCB)) {
-        taskParam.pfnTaskEntry = runTask->taskEntry;
-        taskParam.uwStackSize = runTask->stackSize;
-        taskParam.userParam.userArea = runTask->userArea;
-        taskParam.userParam.userMapBase = runTask->userMapBase;
-        taskParam.userParam.userMapSize = runTask->userMapSize;
-    } else {
-        taskParam.pfnTaskEntry = (TSK_ENTRY_FUNC)entry;
-        taskParam.uwStackSize = size;
-    }
-    if (runTask->taskStatus & OS_TASK_FLAG_PTHREAD_JOIN) {
-        taskParam.uwResved = LOS_TASK_ATTR_JOINABLE;
-    }
-
-    runTask->ops->schedParamGet(runTask, &param);
-    SCHEDULER_UNLOCK(intSave);
-
    taskParam.pcName = (CHAR *)name;
-    taskParam.policy = param.policy;
-    taskParam.usTaskPrio = param.priority;
-    taskParam.processID = (UINTPTR)childProcessCB;
+    GetCopyTaskParam(childProcessCB, entry, size, &taskParam, &param);

    ret = LOS_TaskCreateOnly(&taskID, &taskParam);
    if (ret != LOS_OK) {
@@ -2066,6 +2180,13 @@ STATIC INT32 OsCopyProcess(UINT32 flags, const CHAR *name, UINTPTR sp, UINT32 si
    if (ret != LOS_OK) {
        goto ERROR_INIT;
    }
+
+#ifdef LOSCFG_KERNEL_PLIMITS
+    ret = OsPLimitsAddProcess(run->plimits, child);
+    if (ret != LOS_OK) {
+        goto ERROR_INIT;
+    }
+#endif
 #endif

    ret = OsForkInitPCB(flags, child, name, sp, size);
@@ -2134,6 +2255,9 @@ LITE_OS_SEC_TEXT INT32 OsClone(UINT32 flags, UINTPTR sp, UINT32 size)
 #ifdef LOSCFG_USER_CONTAINER
    cloneFlag |= CLONE_NEWUSER;
 #endif
+#ifdef LOSCFG_NET_CONTAINER
+    cloneFlag |= CLONE_NEWNET;
+#endif
 #endif

    if (flags & (~cloneFlag)) {
--- a/kernel/base/core/los_swtmr.c
+++ b/kernel/base/core/los_swtmr.c
@@ -583,7 +583,7 @@ STATIC INLINE BOOL SwtmrRunqueueFind(SortLinkAttribute *swtmrSortLink, SCHED_TL_
 STATIC BOOL SwtmrTimeListFind(SCHED_TL_FIND_FUNC checkFunc, UINTPTR arg)
 {
    for (UINT16 cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
-        SortLinkAttribute *swtmrSortLink = &g_swtmrRunqueue[ArchCurrCpuid()].swtmrSortLink;
+        SortLinkAttribute *swtmrSortLink = &g_swtmrRunqueue[cpuid].swtmrSortLink;
        if (SwtmrRunqueueFind(swtmrSortLink, checkFunc, arg)) {
            return TRUE;
        }
--- a/kernel/base/core/los_task.c
+++ b/kernel/base/core/los_task.c
@@ -394,7 +394,7 @@ STATIC VOID OsTaskResourcesToFree(LosTaskCB *taskCB)
    return;
 }

-LITE_OS_SEC_TEXT VOID OsTaskCBRecycleToFree()
+LITE_OS_SEC_TEXT VOID OsTaskCBRecycleToFree(void)
 {
    UINT32 intSave;

@@ -543,6 +543,7 @@ STATIC UINT32 TaskCBInit(LosTaskCB *taskCB, const TSK_INIT_PARAM_S *initParam)
    UINT32 ret;
    UINT32 numCount;
    SchedParam schedParam = { 0 };
+    LosSchedParam initSchedParam = {0};
    UINT16 policy = (initParam->policy == LOS_SCHED_NORMAL) ? LOS_SCHED_RR : initParam->policy;

    TaskCBBaseInit(taskCB, initParam);
@@ -553,7 +554,14 @@ STATIC UINT32 TaskCBInit(LosTaskCB *taskCB, const TSK_INIT_PARAM_S *initParam)
        return ret;
    }

-    ret = OsSchedParamInit(taskCB, policy, &schedParam, initParam);
+    if (policy == LOS_SCHED_DEADLINE) {
+        initSchedParam.runTimeUs = initParam->runTimeUs;
+        initSchedParam.deadlineUs = initParam->deadlineUs;
+        initSchedParam.periodUs = initParam->periodUs;
+    } else {
+        initSchedParam.priority = initParam->usTaskPrio;
+    }
+    ret = OsSchedParamInit(taskCB, policy, &schedParam, &initSchedParam);
    if (ret != LOS_OK) {
        return ret;
    }
@@ -1365,6 +1373,8 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsCreateUserTask(UINTPTR processID, TSK_INIT_PARAM_
    UINT32 taskID;
    UINT32 ret;
    UINT32 intSave;
+    INT32 policy;
+    SchedParam param;

    ret = OsCreateUserTaskParamCheck(processID, initParam);
    if (ret != LOS_OK) {
@@ -1373,14 +1383,25 @@ LITE_OS_SEC_TEXT_INIT UINT32 OsCreateUserTask(UINTPTR processID, TSK_INIT_PARAM_

    initParam->uwStackSize = OS_USER_TASK_SYSCALL_STACK_SIZE;
    initParam->usTaskPrio = OS_TASK_PRIORITY_LOWEST;
-    initParam->policy = LOS_SCHED_RR;
    if (processID == OS_INVALID_VALUE) {
        SCHEDULER_LOCK(intSave);
        LosProcessCB *processCB = OsCurrProcessGet();
        initParam->processID = (UINTPTR)processCB;
        initParam->consoleID = processCB->consoleID;
        SCHEDULER_UNLOCK(intSave);
+        ret = LOS_GetProcessScheduler(processCB->processID, &policy, NULL);
+        if (ret != LOS_OK) {
+            return OS_INVALID_VALUE;
+        }
+        initParam->policy = policy;
+        if (policy == LOS_SCHED_DEADLINE) {
+            OsSchedProcessDefaultSchedParamGet((UINT16)policy, &param);
+            initParam->runTimeUs = param.runTimeUs;
+            initParam->deadlineUs = param.deadlineUs;
+            initParam->periodUs = param.periodUs;
+        }
    } else {
+        initParam->policy = LOS_SCHED_RR;
        initParam->processID = processID;
        initParam->consoleID = 0;
    }
--- a/kernel/base/include/los_container_pri.h
+++ b/kernel/base/include/los_container_pri.h
@@ -51,6 +51,9 @@
 #ifdef LOSCFG_TIME_CONTAINER
 #include "los_time_container_pri.h"
 #endif
+#ifdef LOSCFG_NET_CONTAINER
+#include "los_net_container_pri.h"
+#endif

 typedef enum {
    CONTAINER = 0,
@@ -62,6 +65,7 @@ typedef enum {
    USER_CONTAINER,
    TIME_CONTAINER,
    TIME_CHILD_CONTAINER,
+    NET_CONTAINER,
    CONTAINER_MAX,
 } ContainerType;

@@ -84,14 +88,43 @@ typedef struct Container {
    struct TimeContainer *timeContainer;
    struct TimeContainer *timeForChildContainer;
 #endif
+#ifdef LOSCFG_NET_CONTAINER
+    struct NetContainer *netContainer;
+#endif
 } Container;

+typedef struct TagContainerLimit {
+#ifdef LOSCFG_PID_CONTAINER
+    UINT32 pidLimit;
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+    UINT32 utsLimit;
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+    UINT32 mntLimit;
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+    UINT32 ipcLimit;
+#endif
+#ifdef LOSCFG_TIME_CONTAINER
+    UINT32 timeLimit;
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+    UINT32 userLimit;
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    UINT32 netLimit;
+#endif
+} ContainerLimit;
+
 VOID OsContainerInitSystemProcess(LosProcessCB *processCB);

 VOID OsInitRootContainer(VOID);

 UINT32 OsCopyContainers(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent, UINT32 *processID);

+VOID OsOsContainersDestroyEarly(LosProcessCB *processCB);
+
 VOID OsContainersDestroy(LosProcessCB *processCB);

 VOID OsContainerFree(LosProcessCB *processCB);
@@ -104,5 +137,12 @@ INT32 OsUnshare(UINT32 flags);

 INT32 OsSetNs(INT32 fd, INT32 type);

+UINT32 OsGetContainerLimit(ContainerType type);
+
+UINT32 OsContainerLimitCheck(ContainerType type, UINT32 *containerCount);
+
+UINT32 OsSetContainerLimit(ContainerType type, UINT32 value);
+
+UINT32 OsGetContainerCount(ContainerType type);
 #endif
 #endif /* _LOS_CONTAINER_PRI_H */
--- a/kernel/base/include/los_ipc_container_pri.h
+++ b/kernel/base/include/los_ipc_container_pri.h
@@ -72,6 +72,8 @@ UINT32 OsGetIpcContainerID(IpcContainer *ipcContainer);

 IpcContainer *OsGetCurrIpcContainer(VOID);

+UINT32 OsGetIpcContainerCount(VOID);
+
 #define IPC_ALL_QUEUE (OsGetCurrIpcContainer()->allQueue)

 #define FREE_QUEUE_LIST (OsGetCurrIpcContainer()->freeQueueList)
--- a/kernel/base/include/los_mnt_container_pri.h
+++ b/kernel/base/include/los_mnt_container_pri.h
@@ -61,5 +61,6 @@ VOID OsMntContainerDestroy(struct Container *container);

 UINT32 OsGetMntContainerID(MntContainer *mntContainer);

+UINT32 OsGetMntContainerCount(VOID);
 #endif
 #endif
--- a/kernel/base/include/los_net_container_pri.h
+++ b/kernel/base/include/los_net_container_pri.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_NET_CONTAINER_PRI_H
+#define _LOS_NET_CONTAINER_PRI_H
+#include <lwip/net_group.h>
+#include <lwip/netif.h>
+#include <lwip/ip.h>
+#include "los_atomic.h"
+
+#ifdef LOSCFG_NET_CONTAINER
+typedef struct ProcessCB LosProcessCB;
+struct Container;
+
+typedef struct NetContainer {
+    Atomic rc;
+    struct net_group *group;
+    UINT32 containerID;
+} NetContainer;
+
+UINT32 OsInitRootNetContainer(NetContainer **ipcContainer);
+
+UINT32 OsCopyNetContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent);
+
+UINT32 OsUnshareNetContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
+
+UINT32 OsSetNsNetContainer(UINT32 flags, struct Container *container, struct Container *newContainer);
+
+VOID OsNetContainerDestroy(struct Container *container);
+
+UINT32 OsGetNetContainerID(NetContainer *ipcContainer);
+
+UINT32 OsGetNetContainerCount(VOID);
+#endif
+#endif /* _LOS_NET_CONTAINER_PRI_H */
--- a/kernel/base/include/los_pid_container_pri.h
+++ b/kernel/base/include/los_pid_container_pri.h
@@ -106,4 +106,6 @@ UINT32 OsAllocVtid(LosTaskCB *taskCB, const LosProcessCB *processCB);
 UINT32 OsGetPidContainerID(PidContainer *pidContainer);

 BOOL OsPidContainerProcessParentIsRealParent(const LosProcessCB *processCB, const LosProcessCB *curr);
+
+UINT32 OsGetPidContainerCount(VOID);
 #endif /* _LOS_PID_CONTAINER_PRI_H */
--- a/kernel/base/include/los_process_pri.h
+++ b/kernel/base/include/los_process_pri.h
@@ -50,6 +50,9 @@
 #ifdef LOSCFG_KERNEL_CONTAINER
 #include "los_container_pri.h"
 #endif
+#ifdef LOSCFG_KERNEL_PLIMITS
+#include "los_plimits.h"
+#endif

 #ifdef __cplusplus
 #if __cplusplus
@@ -139,6 +142,11 @@ typedef struct ProcessCB {
 #ifdef LOSCFG_PROC_PROCESS_DIR
    struct ProcDirEntry *procDir;
 #endif
+#ifdef LOSCFG_KERNEL_PLIMITS
+    ProcLimiterSet *plimits;
+    LOS_DL_LIST    plimitsList;  /* plimit process list */
+    PLimitsData    limitStat;
+#endif
 } LosProcessCB;

 extern LosProcessCB *g_processCBArray;
@@ -527,7 +535,7 @@ extern LosVmSpace *OsExecProcessVmSpaceReplace(LosVmSpace *newSpace, UINTPTR sta
 extern UINT32 OsExecRecycleAndInit(LosProcessCB *processCB, const CHAR *name, LosVmSpace *oldAspace, UINTPTR oldFiles);
 extern UINT32 OsExecStart(const TSK_ENTRY_FUNC entry, UINTPTR sp, UINTPTR mapBase, UINT32 mapSize);
 extern UINT32 OsSetProcessName(LosProcessCB *processCB, const CHAR *name);
-extern INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 prio, UINT16 policy);
+extern INT32 OsSetProcessScheduler(INT32 which, INT32 pid, UINT16 policy, const LosSchedParam *param);
 extern INT32 OsGetProcessPriority(INT32 which, INT32 pid);
 extern LosProcessCB *OsGetUserInitProcess(VOID);
 extern LosProcessCB *OsGetIdleProcess(VOID);
@@ -545,6 +553,7 @@ extern VOID OsProcessThreadGroupDestroy(VOID);
 extern UINT32 OsGetProcessGroupCB(UINT32 pid, UINTPTR *ppgroupLeader);
 extern LosProcessCB *OsGetDefaultProcessCB(VOID);
 extern ProcessGroup *OsCreateProcessGroup(LosProcessCB *processCB);
+INT32 OsSchedulerParamCheck(UINT16 policy, BOOL isThread, const LosSchedParam *param);
 #ifdef __cplusplus
 #if __cplusplus
 }
--- a/kernel/base/include/los_sched_pri.h
+++ b/kernel/base/include/los_sched_pri.h
@@ -68,6 +68,10 @@ extern "C" {
 #define OS_SCHED_TICK_TO_CYCLE(ticks) ((UINT64)ticks * OS_CYCLE_PER_TICK)
 #define AFFI_MASK_TO_CPUID(mask)      ((UINT16)((mask) - 1))

+#define OS_SCHED_EDF_MIN_RUNTIME    100 /* 100 us */
+#define OS_SCHED_EDF_MIN_DEADLINE   400 /* 400 us */
+#define OS_SCHED_EDF_MAX_DEADLINE   5000000 /* 5 s */
+
 extern UINT32 g_taskScheduled;
 #define OS_SCHEDULER_ACTIVE (g_taskScheduled & (1U << ArchCurrCpuid()))
 #define OS_SCHEDULER_ALL_ACTIVE (g_taskScheduled == LOSCFG_KERNEL_CPU_MASK)
@@ -98,9 +102,16 @@ typedef struct {
    UINT32   queueBitmap;
 } HPFRunqueue;

+typedef struct {
+    LOS_DL_LIST root;
+    LOS_DL_LIST waitList;
+    UINT64 period;
+} EDFRunqueue;
+
 typedef struct {
    SortLinkAttribute timeoutQueue; /* task timeout queue */
    HPFRunqueue       *hpfRunqueue;
+    EDFRunqueue       *edfRunqueue;
    UINT64            responseTime; /* Response time for current CPU tick interrupts */
    UINT32            responseID;   /* The response ID of the current CPU tick interrupt */
    LosTaskCB         *idleTask;   /* idle task id */
@@ -212,30 +223,52 @@ STATIC INLINE VOID OsSchedRunqueuePendingSet(VOID)
    OsSchedRunqueue()->schedFlag |= INT_PEND_RESCH;
 }

-#define LOS_SCHED_NORMAL  0U
-#define LOS_SCHED_FIFO    1U
-#define LOS_SCHED_RR      2U
-#define LOS_SCHED_IDLE    3U
+#define LOS_SCHED_NORMAL    0U
+#define LOS_SCHED_FIFO      1U
+#define LOS_SCHED_RR        2U
+#define LOS_SCHED_IDLE      3U
+#define LOS_SCHED_DEADLINE  6U

 typedef struct {
    UINT16 policy;
+    /* HPF scheduling parameters */
    UINT16 basePrio;
    UINT16 priority;
    UINT32 timeSlice;
+
+    /* EDF scheduling parameters */
+    INT32  runTimeUs;
+    UINT32 deadlineUs;
+    UINT32 periodUs;
 } SchedParam;

 typedef struct {
    UINT16  policy; /* This field must be present for all scheduling policies and must be the first in the structure */
    UINT16  basePrio;
    UINT16  priority;
-    UINT32  initTimeSlice;
-    UINT32  priBitmap; /**< Bitmap for recording the change of task priority, the priority can not be greater than 31 */
+    UINT32  initTimeSlice; /* cycle */
+    UINT32  priBitmap; /* Bitmap for recording the change of task priority, the priority can not be greater than 31 */
 } SchedHPF;

+#define EDF_UNUSED       0
+#define EDF_NEXT_PERIOD  1
+#define EDF_WAIT_FOREVER 2
+#define EDF_INIT         3
+typedef struct {
+    UINT16 policy;
+    UINT16 cpuid;
+    UINT32 flags;
+    INT32  runTime;    /* cycle */
+    UINT64 deadline;   /* deadline >> runTime */
+    UINT64 period;     /* period >= deadline */
+    UINT64 finishTime; /* startTime + deadline */
+} SchedEDF;
+
 typedef struct {
    union {
+        SchedEDF edf;
        SchedHPF hpf;
-    } Policy;
+    };
 } SchedPolicy;

 typedef struct {
@@ -243,6 +276,7 @@ typedef struct {
    VOID (*enqueue)(SchedRunqueue *rq, LosTaskCB *taskCB);
    VOID (*start)(SchedRunqueue *rq, LosTaskCB *taskCB);
    VOID (*exit)(LosTaskCB *taskCB);
+    UINT64 (*waitTimeGet)(LosTaskCB *taskCB);
    UINT32 (*wait)(LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 timeout);
    VOID (*wake)(LosTaskCB *taskCB);
    BOOL (*schedParamModify)(LosTaskCB *taskCB, const SchedParam *param);
@@ -429,7 +463,7 @@ typedef struct TagTaskCB {
    PidContainer    *pidContainer;
 #endif
 #ifdef LOSCFG_IPC_CONTAINER
-   BOOL             cloneIpc;
+    BOOL            cloneIpc;
 #endif
 } LosTaskCB;

@@ -463,6 +497,12 @@ STATIC INLINE BOOL OsTaskIsBlocked(const LosTaskCB *taskCB)
    return ((taskCB->taskStatus & (OS_TASK_STATUS_SUSPENDED | OS_TASK_STATUS_PENDING | OS_TASK_STATUS_DELAY)) != 0);
 }

+STATIC INLINE BOOL OsSchedPolicyIsEDF(const LosTaskCB *taskCB)
+{
+    const SchedEDF *sched = (const SchedEDF *)&taskCB->sp;
+    return (sched->policy == LOS_SCHED_DEADLINE);
+}
+
 STATIC INLINE LosTaskCB *OsCurrTaskGet(VOID)
 {
    return (LosTaskCB *)ArchCurrTaskGet();
@@ -619,6 +659,20 @@ STATIC INLINE VOID SchedTaskUnfreeze(LosTaskCB *taskCB)
    g_taskScheduled &= ~(1U << (cpuid)); \
 } while (0);

+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+BOOL OsSchedLimitCheckTime(LosTaskCB *task);
+#endif
+
+STATIC INLINE LosTaskCB *EDFRunqueueTopTaskGet(EDFRunqueue *rq)
+{
+    LOS_DL_LIST *root = &rq->root;
+    if (LOS_ListEmpty(root)) {
+        return NULL;
+    }
+
+    return LOS_DL_LIST_ENTRY(LOS_DL_LIST_FIRST(root), LosTaskCB, pendList);
+}
+
 STATIC INLINE LosTaskCB *HPFRunqueueTopTaskGet(HPFRunqueue *rq)
 {
    LosTaskCB *newTask = NULL;
@@ -634,6 +688,12 @@ STATIC INLINE LosTaskCB *HPFRunqueueTopTaskGet(HPFRunqueue *rq)
        while (bitmap) {
            UINT32 priority = CLZ(bitmap);
            LOS_DL_LIST_FOR_EACH_ENTRY(newTask, &queueList->priQueList[priority], LosTaskCB, pendList) {
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+                if (!OsSchedLimitCheckTime(newTask)) {
+                    bitmap &= ~(1U << (OS_PRIORITY_QUEUE_NUM - priority - 1));
+                    continue;
+                }
+#endif
 #ifdef LOSCFG_KERNEL_SMP
                if (newTask->cpuAffiMask & (1U << cpuid)) {
 #endif
@@ -650,9 +710,16 @@ STATIC INLINE LosTaskCB *HPFRunqueueTopTaskGet(HPFRunqueue *rq)
    return NULL;
 }

+VOID EDFProcessDefaultSchedParamGet(SchedParam *param);
+VOID EDFSchedPolicyInit(SchedRunqueue *rq);
+UINT32 EDFTaskSchedParamInit(LosTaskCB *taskCB, UINT16 policy,
+                             const SchedParam *parentParam,
+                             const LosSchedParam *param);
+
 VOID HPFSchedPolicyInit(SchedRunqueue *rq);
 VOID HPFTaskSchedParamInit(LosTaskCB *taskCB, UINT16 policy,
-                           const SchedParam *parentParam, const TSK_INIT_PARAM_S *param);
+                           const SchedParam *parentParam,
+                           const LosSchedParam *param);
 VOID HPFProcessDefaultSchedParamGet(SchedParam *param);

 VOID IdleTaskSchedParamInit(LosTaskCB *taskCB);
@@ -660,7 +727,8 @@ VOID IdleTaskSchedParamInit(LosTaskCB *taskCB);
 INT32 OsSchedParamCompare(const LosTaskCB *task1, const LosTaskCB *task2);
 VOID OsSchedPriorityInheritance(LosTaskCB *owner, const SchedParam *param);
 UINT32 OsSchedParamInit(LosTaskCB *taskCB, UINT16 policy,
-                        const SchedParam *parentParam, const TSK_INIT_PARAM_S *param);
+                        const SchedParam *parentParam,
+                        const LosSchedParam *param);
 VOID OsSchedProcessDefaultSchedParamGet(UINT16 policy, SchedParam *param);

 VOID OsSchedResponseTimeReset(UINT64 responseTime);
--- a/kernel/base/include/los_statistics_pri.h
+++ b/kernel/base/include/los_statistics_pri.h
@@ -57,9 +57,11 @@ typedef struct {
 #ifdef LOSCFG_SCHED_TICK_DEBUG
 VOID OsSchedDebugRecordData(VOID);
 UINT32 OsShellShowTickResponse(VOID);
-UINT32 OsShellShowSchedStatistics(VOID);
 UINT32 OsSchedDebugInit(VOID);
 #endif
+UINT32 OsShellShowSchedStatistics(VOID);
+UINT32 OsShellShowEdfSchedStatistics(VOID);
+VOID EDFDebugRecord(UINTPTR *taskCB, UINT64 oldFinish);
 #endif

 #ifdef __cplusplus
--- a/kernel/base/include/los_sys_pri.h
+++ b/kernel/base/include/los_sys_pri.h
@@ -101,6 +101,16 @@ extern "C" {
 */
 #define OS_NS_PER_TICK          (OS_SYS_NS_PER_SECOND / LOSCFG_BASE_CORE_TICK_PER_SECOND)

+#define OS_US_TO_CYCLE(time, freq)  ((((time) / OS_SYS_US_PER_SECOND) * (freq)) + \
+    (((time) % OS_SYS_US_PER_SECOND) * (freq) / OS_SYS_US_PER_SECOND))
+
+#define OS_SYS_US_TO_CYCLE(time) OS_US_TO_CYCLE((time), OS_SYS_CLOCK)
+
+#define OS_CYCLE_TO_US(cycle, freq) ((((cycle) / (freq)) * OS_SYS_US_PER_SECOND) + \
+    ((cycle) % (freq) * OS_SYS_US_PER_SECOND / (freq)))
+
+#define OS_SYS_CYCLE_TO_US(cycle) OS_CYCLE_TO_US((cycle), OS_SYS_CLOCK)
+
 /**
 * @ingroup los_sys
 * The maximum length of name.
--- a/kernel/base/include/los_task_pri.h
+++ b/kernel/base/include/los_task_pri.h
@@ -54,6 +54,7 @@ extern "C" {

 /* scheduler lock */
 extern SPIN_LOCK_S g_taskSpin;
+#define SCHEDULER_HELD()            LOS_SpinHeld(&g_taskSpin)
 #define SCHEDULER_LOCK(state)       LOS_SpinLockSave(&g_taskSpin, &(state))
 #define SCHEDULER_UNLOCK(state)     LOS_SpinUnlockRestore(&g_taskSpin, state)

--- a/kernel/base/include/los_time_container_pri.h
+++ b/kernel/base/include/los_time_container_pri.h
@@ -62,6 +62,8 @@ UINT32 OsGetTimeContainerMonotonic(LosProcessCB *processCB, struct timespec64 *o

 UINT32 OsSetTimeContainerMonotonic(LosProcessCB *processCB, struct timespec64 *offsets);

+UINT32 OsGetTimeContainerCount(VOID);
+
 #define CLOCK_MONOTONIC_TIME_BASE (OsGetCurrTimeContainer()->monotonic)

 #endif
--- a/kernel/base/include/los_user_container_pri.h
+++ b/kernel/base/include/los_user_container_pri.h
@@ -76,5 +76,7 @@ UINT32 OsMakeKgid(UserContainer *userContainer, UINT32 gid);

 INT32 OsUserContainerMapWrite(struct ProcFile *fp, CHAR *buf, size_t count,
                              INT32 capSetid, UidGidMap *map, UidGidMap *parentMap);
+
+UINT32 OsGetUserContainerCount(VOID);
 #endif
 #endif
--- a/kernel/base/include/los_uts_container_pri.h
+++ b/kernel/base/include/los_uts_container_pri.h
@@ -60,5 +60,6 @@ struct utsname *OsGetCurrUtsName(VOID);

 UINT32 OsGetUtsContainerID(UtsContainer *utsContainer);

+UINT32 OsGetUtsContainerCount(VOID);
 #endif
 #endif /* _LOS_UTS_CONTAINER_PRI_H */
--- a/kernel/base/ipc/los_queue_debug.c
+++ b/kernel/base/ipc/los_queue_debug.c
@@ -103,7 +103,7 @@ STATIC VOID SortQueueIndexArray(UINT32 *indexArray, UINT32 count)
    IpcSortParam queueSortParam;
    queueSortParam.buf = (CHAR *)g_queueDebugArray;
    queueSortParam.ipcDebugCBSize = sizeof(QueueDebugCB);
-    queueSortParam.ipcDebugCBCnt = LOSCFG_BASE_IPC_SEM_LIMIT;
+    queueSortParam.ipcDebugCBCnt = LOSCFG_BASE_IPC_QUEUE_LIMIT;
    queueSortParam.sortElemOff = LOS_OFF_SET_OF(QueueDebugCB, lastAccessTime);

    if (count > 0) {
--- a/kernel/base/misc/task_shellcmd.c
+++ b/kernel/base/misc/task_shellcmd.c
@@ -53,6 +53,9 @@
 #include "los_sched_pri.h"
 #include "los_swtmr_pri.h"
 #include "los_info_pri.h"
+#ifdef LOSCFG_SCHED_DEBUG
+#include "los_statistics_pri.h"
+#endif

 #define OS_PROCESS_MEM_INFO 0x2U
 #undef SHOW
@@ -93,6 +96,8 @@ STATIC UINT8 *ConvertSchedPolicyToString(UINT16 policy)
        return (UINT8 *)"RR";
    } else if (policy == LOS_SCHED_FIFO) {
        return (UINT8 *)"FIFO";
+    } else if (policy == LOS_SCHED_DEADLINE) {
+        return (UINT8 *)"EDF";
    } else if (policy == LOS_SCHED_IDLE) {
        return (UINT8 *)"IDLE";
    }
@@ -200,12 +205,10 @@ STATIC UINT8 *ConvertTaskStatusToString(UINT16 taskStatus)
        return (UINT8 *)"Suspended";
    } else if (taskStatus & OS_TASK_STATUS_DELAY) {
        return (UINT8 *)"Delay";
+    } else if (taskStatus & OS_TASK_STATUS_PEND_TIME) {
+        return (UINT8 *)"PendTime";
    } else if (taskStatus & OS_TASK_STATUS_PENDING) {
-        if (taskStatus & OS_TASK_STATUS_PEND_TIME) {
-            return (UINT8 *)"PendTime";
-        } else {
-            return (UINT8 *)"Pending";
-        }
+        return (UINT8 *)"Pending";
    } else if (taskStatus & OS_TASK_STATUS_EXIT) {
        return (UINT8 *)"Exit";
    }
@@ -413,11 +416,20 @@ LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdDumpTask(INT32 argc, const CHAR **argv)
        }
        goto TASK_HELP;
 #endif
+#ifdef LOSCFG_SCHED_HPF_DEBUG
    } else if (strcmp("-t", argv[0]) == 0) {
        if (!OsShellShowSchedStatistics()) {
            return LOS_OK;
        }
        goto TASK_HELP;
+#endif
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+    } else if (strcmp("-e", argv[0]) == 0) {
+        if (!OsShellShowEdfSchedStatistics()) {
+            return LOS_OK;
+        }
+        goto TASK_HELP;
+#endif
 #endif
    } else {
        goto TASK_HELP;
--- a/kernel/base/sched/los_deadline.c
+++ b/kernel/base/sched/los_deadline.c
@@ -0,0 +1,403 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_sched_pri.h"
+#include "los_task_pri.h"
+#include "los_process_pri.h"
+#include "los_hook.h"
+#include "los_tick_pri.h"
+#include "los_sys_pri.h"
+
+STATIC EDFRunqueue g_schedEDF;
+
+STATIC VOID EDFDequeue(SchedRunqueue *rq, LosTaskCB *taskCB);
+STATIC VOID EDFEnqueue(SchedRunqueue *rq, LosTaskCB *taskCB);
+STATIC UINT64 EDFWaitTimeGet(LosTaskCB *taskCB);
+STATIC UINT32 EDFWait(LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 ticks);
+STATIC VOID EDFWake(LosTaskCB *resumedTask);
+STATIC BOOL EDFSchedParamModify(LosTaskCB *taskCB, const SchedParam *param);
+STATIC UINT32 EDFSchedParamGet(const LosTaskCB *taskCB, SchedParam *param);
+STATIC UINT32 EDFDelay(LosTaskCB *runTask, UINT64 waitTime);
+STATIC VOID EDFYield(LosTaskCB *runTask);
+STATIC VOID EDFExit(LosTaskCB *taskCB);
+STATIC UINT32 EDFSuspend(LosTaskCB *taskCB);
+STATIC UINT32 EDFResume(LosTaskCB *taskCB, BOOL *needSched);
+STATIC UINT64 EDFTimeSliceGet(const LosTaskCB *taskCB);
+STATIC VOID EDFTimeSliceUpdate(SchedRunqueue *rq, LosTaskCB *taskCB, UINT64 currTime);
+STATIC INT32 EDFParamCompare(const SchedPolicy *sp1, const SchedPolicy *sp2);
+STATIC VOID EDFPriorityInheritance(LosTaskCB *owner, const SchedParam *param);
+STATIC VOID EDFPriorityRestore(LosTaskCB *owner, const LOS_DL_LIST *list, const SchedParam *param);
+
+const STATIC SchedOps g_deadlineOps = {
+    .dequeue = EDFDequeue,
+    .enqueue = EDFEnqueue,
+    .waitTimeGet = EDFWaitTimeGet,
+    .wait = EDFWait,
+    .wake = EDFWake,
+    .schedParamModify = EDFSchedParamModify,
+    .schedParamGet = EDFSchedParamGet,
+    .delay = EDFDelay,
+    .yield = EDFYield,
+    .start = EDFDequeue,
+    .exit = EDFExit,
+    .suspend = EDFSuspend,
+    .resume = EDFResume,
+    .deadlineGet = EDFTimeSliceGet,
+    .timeSliceUpdate = EDFTimeSliceUpdate,
+    .schedParamCompare = EDFParamCompare,
+    .priorityInheritance = EDFPriorityInheritance,
+    .priorityRestore = EDFPriorityRestore,
+};
+
+STATIC VOID EDFTimeSliceUpdate(SchedRunqueue *rq, LosTaskCB *taskCB, UINT64 currTime)
+{
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+
+    LOS_ASSERT(currTime >= taskCB->startTime);
+
+    if (taskCB->timeSlice <= 0) {
+        taskCB->irqUsedTime = 0;
+        return;
+    }
+
+    INT32 incTime = (currTime - taskCB->startTime - taskCB->irqUsedTime);
+    LOS_ASSERT(incTime >= 0);
+
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+    taskCB->schedStat.timeSliceRealTime += incTime;
+    taskCB->schedStat.allRuntime += (currTime - taskCB->startTime);
+#endif
+
+    taskCB->timeSlice -= incTime;
+    taskCB->irqUsedTime = 0;
+    taskCB->startTime = currTime;
+
+    if ((sched->finishTime > currTime) && (taskCB->timeSlice > 0)) {
+        return;
+    }
+
+    rq->schedFlag |= INT_PEND_RESCH;
+    if (sched->finishTime <= currTime) {
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+        EDFDebugRecord((UINTPTR *)taskCB, sched->finishTime);
+#endif
+
+        taskCB->timeSlice = 0;
+        PrintExcInfo("EDF task %u is timeout, runTime: %d us period: %llu us\n", taskCB->taskID,
+                     (INT32)OS_SYS_CYCLE_TO_US((UINT64)sched->runTime), OS_SYS_CYCLE_TO_US(sched->period));
+    }
+}
+
+STATIC UINT64 EDFTimeSliceGet(const LosTaskCB *taskCB)
+{
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+    UINT64 endTime = taskCB->startTime + taskCB->timeSlice;
+    return (endTime > sched->finishTime) ? sched->finishTime : endTime;
+}
+
+STATIC VOID DeadlineQueueInsert(EDFRunqueue *rq, LosTaskCB *taskCB)
+{
+    LOS_DL_LIST *root = &rq->root;
+    if (LOS_ListEmpty(root)) {
+        LOS_ListTailInsert(root, &taskCB->pendList);
+        return;
+    }
+
+    LOS_DL_LIST *list = root->pstNext;
+    do {
+        LosTaskCB *readyTask = LOS_DL_LIST_ENTRY(list, LosTaskCB, pendList);
+        if (EDFParamCompare(&readyTask->sp, &taskCB->sp) > 0) {
+            LOS_ListHeadInsert(list, &taskCB->pendList);
+            return;
+        }
+        list = list->pstNext;
+    } while (list != root);
+
+    LOS_ListHeadInsert(list, &taskCB->pendList);
+}
+
+STATIC VOID EDFEnqueue(SchedRunqueue *rq, LosTaskCB *taskCB)
+{
+    LOS_ASSERT(!(taskCB->taskStatus & OS_TASK_STATUS_READY));
+
+    EDFRunqueue *erq = rq->edfRunqueue;
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+    if (taskCB->timeSlice <= 0) {
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+        UINT64 oldFinish = sched->finishTime;
+#endif
+        UINT64 currTime = OsGetCurrSchedTimeCycle();
+        if (sched->flags == EDF_INIT) {
+            sched->finishTime = currTime;
+        } else if (sched->flags != EDF_NEXT_PERIOD) {
+            /* The start time of the next period */
+            sched->finishTime = (sched->finishTime - sched->deadline) + sched->period;
+        }
+
+        /* Calculate the start time of the next period */
+        while (1) {
+            /* The deadline of the next period */
+            UINT64 finishTime = sched->finishTime + sched->deadline;
+            if ((finishTime <= currTime) || ((sched->finishTime + sched->runTime) > finishTime)) {
+                /* This period cannot meet the minimum running time, so it is migrated to the next period */
+                sched->finishTime += sched->period;
+                continue;
+            }
+            break;
+        }
+
+        if (sched->finishTime > currTime) {
+            /* Wait for the next period to start */
+            LOS_ListTailInsert(&erq->waitList, &taskCB->pendList);
+            taskCB->waitTime = OS_SCHED_MAX_RESPONSE_TIME;
+            if (!OsTaskIsRunning(taskCB)) {
+                OsSchedTimeoutQueueAdd(taskCB, sched->finishTime);
+            }
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+            if (oldFinish != sched->finishTime) {
+                EDFDebugRecord((UINTPTR *)taskCB, oldFinish);
+                taskCB->schedStat.allRuntime = 0;
+                taskCB->schedStat.timeSliceRealTime = 0;
+                taskCB->schedStat.pendTime = 0;
+            }
+#endif
+            taskCB->taskStatus |= OS_TASK_STATUS_PEND_TIME;
+            sched->flags = EDF_NEXT_PERIOD;
+            return;
+        }
+
+        sched->finishTime += sched->deadline;
+        taskCB->timeSlice = sched->runTime;
+        sched->flags = EDF_UNUSED;
+    }
+
+    DeadlineQueueInsert(erq, taskCB);
+    taskCB->taskStatus &= ~(OS_TASK_STATUS_BLOCKED | OS_TASK_STATUS_TIMEOUT);
+    taskCB->taskStatus |= OS_TASK_STATUS_READY;
+}
+
+STATIC VOID EDFDequeue(SchedRunqueue *rq, LosTaskCB *taskCB)
+{
+    (VOID)rq;
+    LOS_ListDelete(&taskCB->pendList);
+    taskCB->taskStatus &= ~OS_TASK_STATUS_READY;
+}
+
+STATIC VOID EDFExit(LosTaskCB *taskCB)
+{
+    if (taskCB->taskStatus & OS_TASK_STATUS_READY) {
+        EDFDequeue(OsSchedRunqueue(), taskCB);
+    } else if (taskCB->taskStatus & OS_TASK_STATUS_PENDING) {
+        LOS_ListDelete(&taskCB->pendList);
+        taskCB->taskStatus &= ~OS_TASK_STATUS_PENDING;
+    }
+    if (taskCB->taskStatus & (OS_TASK_STATUS_DELAY | OS_TASK_STATUS_PEND_TIME)) {
+        OsSchedTimeoutQueueDelete(taskCB);
+        taskCB->taskStatus &= ~(OS_TASK_STATUS_DELAY | OS_TASK_STATUS_PEND_TIME);
+    }
+}
+
+STATIC VOID EDFYield(LosTaskCB *runTask)
+{
+    SchedRunqueue *rq = OsSchedRunqueue();
+    runTask->timeSlice = 0;
+
+    runTask->startTime = OsGetCurrSchedTimeCycle();
+    EDFEnqueue(rq, runTask);
+    OsSchedResched();
+}
+
+STATIC UINT32 EDFDelay(LosTaskCB *runTask, UINT64 waitTime)
+{
+    runTask->taskStatus |= OS_TASK_STATUS_DELAY;
+    runTask->waitTime = waitTime;
+    OsSchedResched();
+    return LOS_OK;
+}
+
+STATIC UINT64 EDFWaitTimeGet(LosTaskCB *taskCB)
+{
+    const SchedEDF *sched = (const SchedEDF *)&taskCB->sp;
+    if (sched->flags != EDF_WAIT_FOREVER) {
+        taskCB->waitTime += taskCB->startTime;
+    }
+    return (taskCB->waitTime >= sched->finishTime) ? sched->finishTime : taskCB->waitTime;
+}
+
+STATIC UINT32 EDFWait(LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 ticks)
+{
+    SchedEDF *sched = (SchedEDF *)&runTask->sp;
+    runTask->taskStatus |= (OS_TASK_STATUS_PENDING | OS_TASK_STATUS_PEND_TIME);
+    LOS_ListTailInsert(list, &runTask->pendList);
+
+    if (ticks != LOS_WAIT_FOREVER) {
+        runTask->waitTime = OS_SCHED_TICK_TO_CYCLE(ticks);
+    } else {
+        sched->flags = EDF_WAIT_FOREVER;
+        runTask->waitTime = OS_SCHED_MAX_RESPONSE_TIME;
+    }
+
+    if (OsPreemptableInSched()) {
+        OsSchedResched();
+        if (runTask->taskStatus & OS_TASK_STATUS_TIMEOUT) {
+            runTask->taskStatus &= ~OS_TASK_STATUS_TIMEOUT;
+            return LOS_ERRNO_TSK_TIMEOUT;
+        }
+    }
+
+    return LOS_OK;
+}
+
+STATIC VOID EDFWake(LosTaskCB *resumedTask)
+{
+    LOS_ListDelete(&resumedTask->pendList);
+    resumedTask->taskStatus &= ~OS_TASK_STATUS_PENDING;
+
+    if (resumedTask->taskStatus & OS_TASK_STATUS_PEND_TIME) {
+        OsSchedTimeoutQueueDelete(resumedTask);
+        resumedTask->taskStatus &= ~OS_TASK_STATUS_PEND_TIME;
+    }
+
+    if (!(resumedTask->taskStatus & OS_TASK_STATUS_SUSPENDED)) {
+#ifdef LOSCFG_SCHED_EDF_DEBUG
+        resumedTask->schedStat.pendTime += OsGetCurrSchedTimeCycle() - resumedTask->startTime;
+        resumedTask->schedStat.pendCount++;
+#endif
+        EDFEnqueue(OsSchedRunqueue(), resumedTask);
+    }
+}
+
+STATIC BOOL EDFSchedParamModify(LosTaskCB *taskCB, const SchedParam *param)
+{
+    SchedRunqueue *rq = OsSchedRunqueue();
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+
+    taskCB->timeSlice = 0;
+    sched->runTime = (INT32)OS_SYS_US_TO_CYCLE(param->runTimeUs);
+    sched->period = OS_SYS_US_TO_CYCLE(param->periodUs);
+
+    if (taskCB->taskStatus & OS_TASK_STATUS_READY) {
+        EDFDequeue(rq, taskCB);
+        sched->deadline = OS_SYS_US_TO_CYCLE(param->deadlineUs);
+        EDFEnqueue(rq, taskCB);
+        return TRUE;
+    }
+
+    sched->deadline = OS_SYS_US_TO_CYCLE(param->deadlineUs);
+    if (taskCB->taskStatus & OS_TASK_STATUS_INIT) {
+        EDFEnqueue(rq, taskCB);
+        return TRUE;
+    }
+
+    if (taskCB->taskStatus & OS_TASK_STATUS_RUNNING) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+STATIC UINT32 EDFSchedParamGet(const LosTaskCB *taskCB, SchedParam *param)
+{
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+    param->policy = sched->policy;
+    param->runTimeUs = (INT32)OS_SYS_CYCLE_TO_US((UINT64)sched->runTime);
+    param->deadlineUs = OS_SYS_CYCLE_TO_US(sched->deadline);
+    param->periodUs = OS_SYS_CYCLE_TO_US(sched->period);
+    return LOS_OK;
+}
+
+STATIC UINT32 EDFSuspend(LosTaskCB *taskCB)
+{
+    return LOS_EOPNOTSUPP;
+}
+
+STATIC UINT32 EDFResume(LosTaskCB *taskCB, BOOL *needSched)
+{
+    return LOS_EOPNOTSUPP;
+}
+
+STATIC INT32 EDFParamCompare(const SchedPolicy *sp1, const SchedPolicy *sp2)
+{
+    const SchedEDF *param1 = (const SchedEDF *)sp1;
+    const SchedEDF *param2 = (const SchedEDF *)sp2;
+
+    return (INT32)(param1->finishTime - param2->finishTime);
+}
+
+STATIC VOID EDFPriorityInheritance(LosTaskCB *owner, const SchedParam *param)
+{
+    (VOID)owner;
+    (VOID)param;
+}
+
+STATIC VOID EDFPriorityRestore(LosTaskCB *owner, const LOS_DL_LIST *list, const SchedParam *param)
+{
+    (VOID)owner;
+    (VOID)list;
+    (VOID)param;
+}
+
+UINT32 EDFTaskSchedParamInit(LosTaskCB *taskCB, UINT16 policy,
+                             const SchedParam *parentParam,
+                             const LosSchedParam *param)
+{
+    (VOID)parentParam;
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+    sched->flags = EDF_INIT;
+    sched->policy = policy;
+    sched->runTime = (INT32)OS_SYS_US_TO_CYCLE((UINT64)param->runTimeUs);
+    sched->deadline = OS_SYS_US_TO_CYCLE(param->deadlineUs);
+    sched->period = OS_SYS_US_TO_CYCLE(param->periodUs);
+    sched->finishTime = 0;
+    taskCB->timeSlice = 0;
+    taskCB->ops = &g_deadlineOps;
+    return LOS_OK;
+}
+
+VOID EDFProcessDefaultSchedParamGet(SchedParam *param)
+{
+    param->runTimeUs = OS_SCHED_EDF_MIN_RUNTIME;
+    param->deadlineUs = OS_SCHED_EDF_MAX_DEADLINE;
+    param->periodUs = param->deadlineUs;
+}
+
+VOID EDFSchedPolicyInit(SchedRunqueue *rq)
+{
+    if (ArchCurrCpuid() > 0) {
+        rq->edfRunqueue = &g_schedEDF;
+        return;
+    }
+
+    EDFRunqueue *erq = &g_schedEDF;
+    erq->period = OS_SCHED_MAX_RESPONSE_TIME;
+    LOS_ListInit(&erq->root);
+    LOS_ListInit(&erq->waitList);
+    rq->edfRunqueue = erq;
+}
--- a/kernel/base/sched/los_idle.c
+++ b/kernel/base/sched/los_idle.c
@@ -48,6 +48,7 @@ STATIC VOID IdlePriorityRestore(LosTaskCB *owner, const LOS_DL_LIST *list, const
 const STATIC SchedOps g_idleOps = {
    .dequeue = IdleDequeue,
    .enqueue = IdleEnqueue,
+    .waitTimeGet = NULL,
    .wait = IdleWait,
    .wake = IdleWake,
    .schedParamModify = NULL,
--- a/kernel/base/sched/los_priority.c
+++ b/kernel/base/sched/los_priority.c
@@ -47,6 +47,7 @@ STATIC HPFRunqueue g_schedHPF;

 STATIC VOID HPFDequeue(SchedRunqueue *rq, LosTaskCB *taskCB);
 STATIC VOID HPFEnqueue(SchedRunqueue *rq, LosTaskCB *taskCB);
+STATIC UINT64 HPFWaitTimeGet(LosTaskCB *taskCB);
 STATIC UINT32 HPFWait(LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 ticks);
 STATIC VOID HPFWake(LosTaskCB *resumedTask);
 STATIC BOOL HPFSchedParamModify(LosTaskCB *taskCB, const SchedParam *param);
@@ -66,6 +67,7 @@ STATIC VOID HPFPriorityRestore(LosTaskCB *owner, const LOS_DL_LIST *list, const
 const STATIC SchedOps g_priorityOps = {
    .dequeue = HPFDequeue,
    .enqueue = HPFEnqueue,
+    .waitTimeGet = HPFWaitTimeGet,
    .wait = HPFWait,
    .wake = HPFWake,
    .schedParamModify = HPFSchedParamModify,
@@ -94,17 +96,20 @@ STATIC VOID HPFTimeSliceUpdate(SchedRunqueue *rq, LosTaskCB *taskCB, UINT64 curr

    if (sched->policy == LOS_SCHED_RR) {
        taskCB->timeSlice -= incTime;
-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
        taskCB->schedStat.timeSliceRealTime += incTime;
 #endif
    }
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    OsSchedLimitUpdateRuntime(taskCB, currTime, incTime);
+#endif
    taskCB->irqUsedTime = 0;
    taskCB->startTime = currTime;
    if (taskCB->timeSlice <= OS_TIME_SLICE_MIN) {
        rq->schedFlag |= INT_PEND_RESCH;
    }

-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
    taskCB->schedStat.allRuntime += incTime;
 #endif
 }
@@ -212,7 +217,7 @@ STATIC INLINE VOID PriQueInsert(HPFRunqueue *rq, LosTaskCB *taskCB)
                sched->initTimeSlice = TimeSliceCalculate(rq, sched->basePrio, sched->priority);
                taskCB->timeSlice = sched->initTimeSlice;
                PriQueTailInsert(rq, sched->basePrio, &taskCB->pendList, sched->priority);
-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
                taskCB->schedStat.timeSliceTime = taskCB->schedStat.timeSliceRealTime;
                taskCB->schedStat.timeSliceCount++;
 #endif
@@ -241,7 +246,7 @@ STATIC INLINE VOID PriQueInsert(HPFRunqueue *rq, LosTaskCB *taskCB)

 STATIC VOID HPFEnqueue(SchedRunqueue *rq, LosTaskCB *taskCB)
 {
-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
    if (!(taskCB->taskStatus & OS_TASK_STATUS_RUNNING)) {
        taskCB->startTime = OsGetCurrSchedTimeCycle();
    }
@@ -298,6 +303,12 @@ STATIC UINT32 HPFDelay(LosTaskCB *runTask, UINT64 waitTime)
    return LOS_OK;
 }

+STATIC UINT64 HPFWaitTimeGet(LosTaskCB *taskCB)
+{
+    taskCB->waitTime += taskCB->startTime;
+    return taskCB->waitTime;
+}
+
 STATIC UINT32 HPFWait(LosTaskCB *runTask, LOS_DL_LIST *list, UINT32 ticks)
 {
    runTask->taskStatus |= OS_TASK_STATUS_PENDING;
@@ -330,7 +341,7 @@ STATIC VOID HPFWake(LosTaskCB *resumedTask)
    }

    if (!(resumedTask->taskStatus & OS_TASK_STATUS_SUSPENDED)) {
-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
        resumedTask->schedStat.pendTime += OsGetCurrSchedTimeCycle() - resumedTask->startTime;
        resumedTask->schedStat.pendCount++;
 #endif
@@ -505,13 +516,13 @@ STATIC VOID HPFPriorityRestore(LosTaskCB *owner, const LOS_DL_LIST *list, const

 VOID HPFTaskSchedParamInit(LosTaskCB *taskCB, UINT16 policy,
                           const SchedParam *parentParam,
-                           const TSK_INIT_PARAM_S *param)
+                           const LosSchedParam *param)
 {
    SchedHPF *sched = (SchedHPF *)&taskCB->sp;

    sched->policy = policy;
    if (param != NULL) {
-        sched->priority = param->usTaskPrio;
+        sched->priority = param->priority;
    } else {
        sched->priority = parentParam->priority;
    }
--- a/kernel/base/sched/los_sched.c
+++ b/kernel/base/sched/los_sched.c
@@ -102,15 +102,26 @@ VOID OsSchedExpireTimeUpdate(VOID)

 STATIC INLINE VOID SchedTimeoutTaskWake(SchedRunqueue *rq, UINT64 currTime, LosTaskCB *taskCB, BOOL *needSched)
 {
-#ifndef LOSCFG_SCHED_DEBUG
-    (VOID)currTime;
-#endif
-
    LOS_SpinLock(&g_taskSpin);
+    if (OsSchedPolicyIsEDF(taskCB)) {
+        SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+        if (sched->finishTime <= currTime) {
+            if (taskCB->timeSlice >= 0) {
+                PrintExcInfo("EDF task: %u name: %s is timeout, timeout for %llu us.\n",
+                             taskCB->taskID, taskCB->taskName, OS_SYS_CYCLE_TO_US(currTime - sched->finishTime));
+            }
+            taskCB->timeSlice = 0;
+        }
+        if (sched->flags == EDF_WAIT_FOREVER) {
+            taskCB->taskStatus &= ~OS_TASK_STATUS_PEND_TIME;
+            sched->flags = EDF_UNUSED;
+        }
+    }
+
    UINT16 tempStatus = taskCB->taskStatus;
-    if (tempStatus & (OS_TASK_STATUS_PENDING | OS_TASK_STATUS_DELAY)) {
+    if (tempStatus & (OS_TASK_STATUS_PEND_TIME | OS_TASK_STATUS_DELAY)) {
        taskCB->taskStatus &= ~(OS_TASK_STATUS_PENDING | OS_TASK_STATUS_PEND_TIME | OS_TASK_STATUS_DELAY);
-        if (tempStatus & OS_TASK_STATUS_PENDING) {
+        if (tempStatus & OS_TASK_STATUS_PEND_TIME) {
            taskCB->taskStatus |= OS_TASK_STATUS_TIMEOUT;
            LOS_ListDelete(&taskCB->pendList);
            taskCB->taskMux = NULL;
@@ -118,7 +129,7 @@ STATIC INLINE VOID SchedTimeoutTaskWake(SchedRunqueue *rq, UINT64 currTime, LosT
        }

        if (!(tempStatus & OS_TASK_STATUS_SUSPENDED)) {
-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
            taskCB->schedStat.pendTime += currTime - taskCB->startTime;
            taskCB->schedStat.pendCount++;
 #endif
@@ -212,8 +223,10 @@ VOID OsSchedRunqueueIdleInit(LosTaskCB *idleTask)

 UINT32 OsSchedInit(VOID)
 {
-    for (UINT16 cpuId = 0; cpuId < LOSCFG_KERNEL_CORE_NUM; cpuId++) {
-        HPFSchedPolicyInit(OsSchedRunqueueByID(cpuId));
+    for (UINT16 cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
+        SchedRunqueue *rq = OsSchedRunqueueByID(cpuid);
+        EDFSchedPolicyInit(rq);
+        HPFSchedPolicyInit(rq);
    }

 #ifdef LOSCFG_SCHED_TICK_DEBUG
@@ -247,13 +260,15 @@ INT32 OsSchedParamCompare(const LosTaskCB *task1, const LosTaskCB *task2)
    return 0;
 }

-UINT32 OsSchedParamInit(LosTaskCB *taskCB, UINT16 policy, const SchedParam *parentParam, const TSK_INIT_PARAM_S *param)
+UINT32 OsSchedParamInit(LosTaskCB *taskCB, UINT16 policy, const SchedParam *parentParam, const LosSchedParam *param)
 {
    switch (policy) {
        case LOS_SCHED_FIFO:
        case LOS_SCHED_RR:
            HPFTaskSchedParamInit(taskCB, policy, parentParam, param);
            break;
+        case LOS_SCHED_DEADLINE:
+            return EDFTaskSchedParamInit(taskCB, policy, parentParam, param);
        case LOS_SCHED_IDLE:
            IdleTaskSchedParamInit(taskCB);
            break;
@@ -271,6 +286,9 @@ VOID OsSchedProcessDefaultSchedParamGet(UINT16 policy, SchedParam *param)
        case LOS_SCHED_RR:
            HPFProcessDefaultSchedParamGet(param);
            break;
+        case LOS_SCHED_DEADLINE:
+            EDFProcessDefaultSchedParamGet(param);
+            break;
        case LOS_SCHED_IDLE:
        default:
            PRINT_ERR("Invalid process-level scheduling policy, %u\n", policy);
@@ -281,12 +299,19 @@ VOID OsSchedProcessDefaultSchedParamGet(UINT16 policy, SchedParam *param)

 STATIC LosTaskCB *TopTaskGet(SchedRunqueue *rq)
 {
-    LosTaskCB *newTask = HPFRunqueueTopTaskGet(rq->hpfRunqueue);
-
-    if (newTask == NULL) {
-        newTask = rq->idleTask;
+    LosTaskCB *newTask = EDFRunqueueTopTaskGet(rq->edfRunqueue);
+    if (newTask != NULL) {
+        goto FIND;
    }

+    newTask = HPFRunqueueTopTaskGet(rq->hpfRunqueue);
+    if (newTask != NULL) {
+        goto FIND;
+    }
+
+    newTask = rq->idleTask;
+
+FIND:
    newTask->ops->start(rq, newTask);
    return newTask;
 }
@@ -387,7 +412,7 @@ STATIC VOID SchedTaskSwitch(SchedRunqueue *rq, LosTaskCB *runTask, LosTaskCB *ne
    OsCpupCycleEndStart(runTask, newTask);
 #endif

-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
    UINT64 waitStartTime = newTask->startTime;
 #endif
    if (runTask->taskStatus & OS_TASK_STATUS_READY) {
@@ -400,14 +425,14 @@ STATIC VOID SchedTaskSwitch(SchedRunqueue *rq, LosTaskCB *runTask, LosTaskCB *ne
        runTask->ops->timeSliceUpdate(rq, runTask, newTask->startTime);

        if (runTask->taskStatus & (OS_TASK_STATUS_PEND_TIME | OS_TASK_STATUS_DELAY)) {
-            OsSchedTimeoutQueueAdd(runTask, runTask->startTime + runTask->waitTime);
+            OsSchedTimeoutQueueAdd(runTask, runTask->ops->waitTimeGet(runTask));
        }
    }

    UINT64 deadline = newTask->ops->deadlineGet(newTask);
    SchedNextExpireTimeSet(newTask->taskID, deadline, runTask->taskID);

-#ifdef LOSCFG_SCHED_DEBUG
+#ifdef LOSCFG_SCHED_HPF_DEBUG
    newTask->schedStat.waitSchedTime += newTask->startTime - waitStartTime;
    newTask->schedStat.waitSchedCount++;
    runTask->schedStat.runTime = runTask->schedStat.allRuntime;
--- a/kernel/base/sched/los_statistics.c
+++ b/kernel/base/sched/los_statistics.c
@@ -99,6 +99,7 @@ UINT32 OsShellShowTickResponse(VOID)
 }
 #endif

+#ifdef LOSCFG_SCHED_HPF_DEBUG
 STATIC VOID SchedDataGet(const LosTaskCB *taskCB, UINT64 *runTime, UINT64 *timeSlice,
                         UINT64 *pendTime, UINT64 *schedWait)
 {
@@ -128,6 +129,7 @@ UINT32 OsShellShowSchedStatistics(VOID)
    UINT32 taskLinkNum[LOSCFG_KERNEL_CORE_NUM];
    UINT32 intSave;
    LosTaskCB task;
+    SchedEDF *sched = NULL;

    SCHEDULER_LOCK(intSave);
    for (UINT16 cpu = 0; cpu < LOSCFG_KERNEL_CORE_NUM; cpu++) {
@@ -150,6 +152,12 @@ UINT32 OsShellShowSchedStatistics(VOID)
            continue;
        }

+        sched = (SchedEDF *)&taskCB->sp;
+        if (sched->policy == LOS_SCHED_DEADLINE) {
+            SCHEDULER_UNLOCK(intSave);
+            continue;
+        }
+
        (VOID)memcpy_s(&task, sizeof(LosTaskCB), taskCB, sizeof(LosTaskCB));
        SCHEDULER_UNLOCK(intSave);

@@ -170,3 +178,168 @@ UINT32 OsShellShowSchedStatistics(VOID)
 }
 #endif

+#ifdef LOSCFG_SCHED_EDF_DEBUG
+#define EDF_DEBUG_NODE 20
+typedef struct {
+    UINT32 tid;
+    INT32 runTimeUs;
+    UINT64 deadlineUs;
+    UINT64 periodUs;
+    UINT64 startTime;
+    UINT64 finishTime;
+    UINT64 nextfinishTime;
+    UINT64 timeSliceUnused;
+    UINT64 timeSliceRealTime;
+    UINT64 allRuntime;
+    UINT64 pendTime;
+} EDFDebug;
+
+STATIC EDFDebug g_edfNode[EDF_DEBUG_NODE];
+STATIC INT32 g_edfNodePointer = 0;
+
+VOID EDFDebugRecord(UINTPTR *task, UINT64 oldFinish)
+{
+    LosTaskCB *taskCB = (LosTaskCB *)task;
+    SchedEDF *sched = (SchedEDF *)&taskCB->sp;
+    SchedParam param;
+
+    // when print edf info, will stop record
+    if (g_edfNodePointer == (EDF_DEBUG_NODE + 1)) {
+        return;
+    }
+
+    taskCB->ops->schedParamGet(taskCB, &param);
+    g_edfNode[g_edfNodePointer].tid = taskCB->taskID;
+    g_edfNode[g_edfNodePointer].runTimeUs =param.runTimeUs;
+    g_edfNode[g_edfNodePointer].deadlineUs =param.deadlineUs;
+    g_edfNode[g_edfNodePointer].periodUs =param.periodUs;
+    g_edfNode[g_edfNodePointer].startTime = taskCB->startTime;
+    if (taskCB->timeSlice <= 0) {
+        taskCB->irqUsedTime = 0;
+        g_edfNode[g_edfNodePointer].timeSliceUnused = 0;
+    } else {
+        g_edfNode[g_edfNodePointer].timeSliceUnused = taskCB->timeSlice;
+    }
+    g_edfNode[g_edfNodePointer].finishTime = oldFinish;
+    g_edfNode[g_edfNodePointer].nextfinishTime = sched->finishTime;
+    g_edfNode[g_edfNodePointer].timeSliceRealTime = taskCB->schedStat.timeSliceRealTime;
+    g_edfNode[g_edfNodePointer].allRuntime = taskCB->schedStat.allRuntime;
+    g_edfNode[g_edfNodePointer].pendTime = taskCB->schedStat.pendTime;
+
+    g_edfNodePointer++;
+    if (g_edfNodePointer == EDF_DEBUG_NODE) {
+        g_edfNodePointer = 0;
+    }
+}
+
+STATIC VOID EDFInfoPrint(int idx)
+{
+    INT32 runTimeUs;
+    UINT64 deadlineUs;
+    UINT64 periodUs;
+    UINT64 startTime;
+    UINT64 timeSlice;
+    UINT64 finishTime;
+    UINT64 nextfinishTime;
+    UINT64 pendTime;
+    UINT64 allRuntime;
+    UINT64 timeSliceRealTime;
+    CHAR *status = NULL;
+
+    startTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].startTime);
+    timeSlice = OS_SYS_CYCLE_TO_US(g_edfNode[idx].timeSliceUnused);
+    finishTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].finishTime);
+    nextfinishTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].nextfinishTime);
+    pendTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].pendTime);
+    allRuntime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].allRuntime);
+    timeSliceRealTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].timeSliceRealTime);
+    runTimeUs = g_edfNode[idx].runTimeUs;
+    deadlineUs = g_edfNode[idx].deadlineUs;
+    periodUs = g_edfNode[idx].periodUs;
+
+    if (timeSlice > 0) {
+        status = "TIMEOUT";
+    } else if (nextfinishTime == finishTime) {
+        status = "NEXT PERIOD";
+    } else {
+        status = "WAIT RUN";
+    }
+
+    PRINTK("%4u%9d%9llu%9llu%12llu%12llu%12llu%9llu%9llu%9llu%9llu %-12s\n",
+           g_edfNode[idx].tid, runTimeUs, deadlineUs, periodUs,
+           startTime, finishTime, nextfinishTime, allRuntime, timeSliceRealTime,
+           timeSlice, pendTime, status);
+}
+
+VOID OsEDFDebugPrint(VOID)
+{
+    INT32 max;
+    UINT32 intSave;
+    INT32 i;
+
+    SCHEDULER_LOCK(intSave);
+    max = g_edfNodePointer;
+    g_edfNodePointer = EDF_DEBUG_NODE + 1;
+    SCHEDULER_UNLOCK(intSave);
+
+    PRINTK("\r\nlast %d sched is: (in microsecond)\r\n", EDF_DEBUG_NODE);
+
+    PRINTK(" TID  RunTime Deadline   Period   StartTime   "
+           "CurPeriod  NextPeriod   AllRun  RealRun  TimeOut WaitTime Status\n");
+
+    for (i = max; i < EDF_DEBUG_NODE; i++) {
+        EDFInfoPrint(i);
+    }
+
+    for (i = 0; i < max; i++) {
+        EDFInfoPrint(i);
+    }
+
+    SCHEDULER_LOCK(intSave);
+    g_edfNodePointer = max;
+    SCHEDULER_UNLOCK(intSave);
+}
+
+UINT32 OsShellShowEdfSchedStatistics(VOID)
+{
+    UINT32 intSave;
+    LosTaskCB task;
+    UINT64 curTime;
+    UINT64 deadline;
+    UINT64 finishTime;
+    SchedEDF *sched = NULL;
+
+    PRINTK("Now Alive EDF Thread:\n");
+    PRINTK("TID        CurTime       DeadTime     FinishTime  taskName\n");
+
+    for (UINT32 tid = 0; tid < g_taskMaxNum; tid++) {
+        LosTaskCB *taskCB = g_taskCBArray + tid;
+        SCHEDULER_LOCK(intSave);
+        if (OsTaskIsUnused(taskCB)) {
+            SCHEDULER_UNLOCK(intSave);
+            continue;
+        }
+
+        sched = (SchedEDF *)&taskCB->sp;
+        if (sched->policy != LOS_SCHED_DEADLINE) {
+            SCHEDULER_UNLOCK(intSave);
+            continue;
+        }
+
+        (VOID)memcpy_s(&task, sizeof(LosTaskCB), taskCB, sizeof(LosTaskCB));
+
+        curTime = OS_SYS_CYCLE_TO_US(HalClockGetCycles());
+        finishTime = OS_SYS_CYCLE_TO_US(sched->finishTime);
+        deadline = OS_SYS_CYCLE_TO_US(taskCB->ops->deadlineGet(taskCB));
+        SCHEDULER_UNLOCK(intSave);
+
+        PRINTK("%3u%15llu%15llu%15llu  %-32s\n",
+               task.taskID, curTime, deadline, finishTime, task.taskName);
+    }
+
+    OsEDFDebugPrint();
+
+    return LOS_OK;
+}
+#endif
+#endif
--- a/kernel/base/vm/los_vm_fault.c
+++ b/kernel/base/vm/los_vm_fault.c
@@ -359,6 +359,12 @@ STATUS_T OsVmPageFaultHandler(VADDR_T vaddr, UINT32 flags, ExcContext *frame)
        return LOS_ERRNO_VM_ACCESS_DENIED;
    }

+#ifdef LOSCFG_KERNEL_PLIMITS
+    if (OsMemLimitCheckAndMemAdd(PAGE_SIZE) != LOS_OK) {
+        return LOS_ERRNO_VM_NO_MEMORY;
+    }
+#endif
+
    (VOID)LOS_MuxAcquire(&space->regionMux);
    region = LOS_RegionFind(space, vaddr);
    if (region == NULL) {
@@ -450,6 +456,9 @@ VMM_MAP_FAILED:
    }
 CHECK_FAILED:
    OsFaultTryFixup(frame, excVaddr, &status);
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsMemLimitMemFree(PAGE_SIZE);
+#endif
 DONE:
    (VOID)LOS_MuxRelease(&space->regionMux);
    return status;
--- a/kernel/base/vm/los_vm_page.c
+++ b/kernel/base/vm/los_vm_page.c
@@ -34,7 +34,9 @@
 #include "los_vm_phys.h"
 #include "los_vm_boot.h"
 #include "los_vm_filemap.h"
-
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+#include "los_plimits.h"
+#endif

 #ifdef LOSCFG_KERNEL_VM

@@ -81,7 +83,8 @@ VOID OsVmPageStartup(VOID)
     * struct LosVmPage occupied, which satisfies the equation:
     * nPage * sizeof(LosVmPage) + nPage * PAGE_SIZE = OsVmPhysPageNumGet() * PAGE_SIZE.
     */
-    nPage = OsVmPhysPageNumGet() * PAGE_SIZE / (sizeof(LosVmPage) + PAGE_SIZE);
+    UINT32 pageNum = OsVmPhysPageNumGet();
+    nPage = pageNum * PAGE_SIZE / (sizeof(LosVmPage) + PAGE_SIZE);
    g_vmPageArraySize = nPage * sizeof(LosVmPage);
    g_vmPageArray = (LosVmPage *)OsVmBootMemAlloc(g_vmPageArraySize);

@@ -89,6 +92,9 @@ VOID OsVmPageStartup(VOID)

    OsVmPhysSegAdd();
    OsVmPhysInit();
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsMemLimitSetLimit(pageNum * PAGE_SIZE);
+#endif

    for (segID = 0; segID < g_vmPhysSegNum; segID++) {
        seg = &g_vmPhysSeg[segID];
--- a/kernel/base/vm/los_vm_phys.c
+++ b/kernel/base/vm/los_vm_phys.c
@@ -52,7 +52,7 @@ STATIC struct VmPhysArea g_physArea[] = {
 struct VmPhysSeg g_vmPhysSeg[VM_PHYS_SEG_MAX];
 INT32 g_vmPhysSegNum = 0;

-LosVmPhysSeg *OsGVmPhysSegGet()
+LosVmPhysSeg *OsGVmPhysSegGet(void)
 {
    return g_vmPhysSeg;
 }
@@ -456,6 +456,9 @@ VOID LOS_PhysPagesFreeContiguous(VOID *ptr, size_t nPages)
    OsVmPhysPagesFreeContiguous(page, nPages);

    LOS_SpinUnlockRestore(&seg->freeListLock, intSave);
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsMemLimitMemFree(nPages * PAGE_SIZE);
+#endif
 }

 PADDR_T OsKVaddrToPaddr(VADDR_T kvaddr)
@@ -503,6 +506,9 @@ VOID LOS_PhysPageFree(LosVmPage *page)

        LOS_SpinUnlockRestore(&seg->freeListLock, intSave);
    }
+#ifdef LOSCFG_KERNEL_PLIMITS
+    OsMemLimitMemFree(PAGE_SIZE);
+#endif
 }

 LosVmPage *LOS_PhysPageAlloc(VOID)
--- a/kernel/base/vm/shm.c
+++ b/kernel/base/vm/shm.c
@@ -193,40 +193,58 @@ STATIC VOID ShmPagesRefDec(struct shmIDSource *seg)
    }
 }

-STATIC INT32 ShmAllocSeg(key_t key, size_t size, INT32 shmflg)
+STATIC INT32 ShmAllocSegCheck(key_t key, size_t *size, INT32 *segNum)
 {
    INT32 i;
-    INT32 segNum = -1;
-    struct shmIDSource *seg = NULL;
-    size_t count;
-
-    if ((size == 0) || (size < IPC_SHM_INFO.shmmin) ||
-        (size > IPC_SHM_INFO.shmmax)) {
+    if ((*size == 0) || (*size < IPC_SHM_INFO.shmmin) ||
+        (*size > IPC_SHM_INFO.shmmax)) {
        return -EINVAL;
    }

-    size = LOS_Align(size, PAGE_SIZE);
-    if ((IPC_SHM_USED_PAGE_COUNT + (size >> PAGE_SHIFT)) > IPC_SHM_INFO.shmall) {
+    *size = LOS_Align(*size, PAGE_SIZE);
+    if ((IPC_SHM_USED_PAGE_COUNT + (*size >> PAGE_SHIFT)) > IPC_SHM_INFO.shmall) {
        return -ENOMEM;
    }

+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    if (OsIPCLimitShmAlloc(*size) != LOS_OK) {
+        return -ENOMEM;
+    }
+#endif
+
    for (i = 0; i < IPC_SHM_INFO.shmmni; i++) {
        if (IPC_SHM_SEGS[i].status & SHM_SEG_FREE) {
            IPC_SHM_SEGS[i].status &= ~SHM_SEG_FREE;
-            segNum = i;
+            *segNum = i;
            break;
        }
    }

-    if (segNum < 0) {
+    if (*segNum < 0) {
        return -ENOSPC;
    }
+    return 0;
+}
+
+STATIC INT32 ShmAllocSeg(key_t key, size_t size, INT32 shmflg)
+{
+    INT32 segNum = -1;
+    struct shmIDSource *seg = NULL;
+    size_t count;
+
+    INT32 ret = ShmAllocSegCheck(key, &size, &segNum);
+    if (ret < 0) {
+        return ret;
+    }

    seg = &IPC_SHM_SEGS[segNum];
    count = LOS_PhysPagesAlloc(size >> PAGE_SHIFT, &seg->node);
    if (count != (size >> PAGE_SHIFT)) {
        (VOID)LOS_PhysPagesFree(&seg->node);
        seg->status = SHM_SEG_FREE;
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+        OsIPCLimitShmFree(size);
+#endif
        return -ENOMEM;
    }

@@ -264,6 +282,9 @@ STATIC INLINE VOID ShmFreeSeg(struct shmIDSource *seg, UINT32 *shmUsedPageCount)
        VM_ERR("free physical pages failed, count = %d, size = %d", count, seg->ds.shm_segsz >> PAGE_SHIFT);
        return;
    }
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    OsIPCLimitShmFree(seg->ds.shm_segsz);
+#endif
    if (shmUsedPageCount != NULL) {
        (*shmUsedPageCount) -= seg->ds.shm_segsz >> PAGE_SHIFT;
    }
--- a/kernel/common/los_config.h
+++ b/kernel/common/los_config.h
@@ -389,6 +389,14 @@ extern UINT32 __heap_end;
 #define VERSION_NUM(a, b, c, d) (((a) << 24) | ((b) << 16) | (c) << 8 | (d))
 #define KERNEL_OPEN_VERSION_NUM VERSION_NUM(KERNEL_MAJOR, KERNEL_MINOR, KERNEL_PATCH, KERNEL_ITRE)

+/**
+ * @ingroup los_config
+ * The container limit
+ */
+#ifndef LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT
+#define LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT  10
+#endif
+
 /****************************** Exception information configuration ******************************/
 #ifdef LOSCFG_SAVE_EXCINFO
 /**
--- a/kernel/extended/BUILD.gn
+++ b/kernel/extended/BUILD.gn
@@ -32,6 +32,7 @@ import("//kernel/liteos_a/liteos.gni")
 group("extended") {
  deps = [
    "blackbox",
+    "container",
    "cppsupport",
    "cpup",
    "dynload",
@@ -42,6 +43,7 @@ group("extended") {
    "lms",
    "perf",
    "pipes",
+    "plimit",
    "power",
    "trace",
    "vdso",
@@ -51,6 +53,7 @@ group("extended") {
 config("public") {
  configs = [
    "blackbox:public",
+    "container:public",
    "cpup:public",
    "dynload:public",
    "hidumper:public",
@@ -62,5 +65,6 @@ config("public") {
    "perf:public",
    "lms:public",
    "power:public",
+    "plimit:public",
  ]
 }
--- a/kernel/extended/Kconfig
+++ b/kernel/extended/Kconfig
@@ -76,6 +76,31 @@ config KERNEL_PIPE
    help
      Answer Y to enable LiteOS support pipes.

+config KERNEL_PLIMITS
+    bool "Enable plimits Feature"
+    default n
+    depends on KERNEL_EXTKERNEL
+
+config KERNEL_MEM_PLIMIT
+    bool "Enable mem limits Feature"
+    default n
+    depends on KERNEL_PLIMITS
+
+config KERNEL_IPC_PLIMIT
+    bool "Enable ipc limits Feature"
+    default n
+    depends on KERNEL_PLIMITS
+
+config KERNEL_DEV_PLIMIT
+    bool "Enable dev limits Feature"
+    default n
+    depends on KERNEL_PLIMITS
+
+config KERNEL_SCHED_PLIMIT
+    bool "Enable sched limits Feature"
+    default n
+    depends on KERNEL_PLIMITS
+
 config BASE_CORE_HILOG
    bool "Enable Hilog"
    default y
@@ -88,6 +113,54 @@ config KERNEL_HOOK
    default n
    depends on KERNEL_EXTKERNEL && DEBUG_VERSION

+
+######################### config options of container ####################
+config KERNEL_CONTAINER
+    bool "Enable container Feature"
+    default n
+    depends on KERNEL_VM
+
+config PID_CONTAINER
+    bool "Enable pid container Feature"
+    default n
+    depends on KERNEL_CONTAINER
+
+config UTS_CONTAINER
+    bool "Enable uts container Feature"
+    default n
+    depends on KERNEL_CONTAINER
+
+config MNT_CONTAINER
+    bool "Enable mnt container Feature"
+    default n
+    depends on KERNEL_CONTAINER
+
+config CHROOT
+    bool "Enable chroot"
+    default n
+    depends on MNT_CONTAINER
+
+config IPC_CONTAINER
+    bool "Enable ipc container Feature"
+    default n
+    depends on KERNEL_CONTAINER
+
+config TIME_CONTAINER
+    bool "Enable time container"
+    default n
+    depends on KERNEL_CONTAINER
+
+config USER_CONTAINER
+    bool "Enable user container"
+    default n
+    depends on KERNEL_CONTAINER
+
+config NET_CONTAINER
+    bool "Enable net container"
+    default n
+    depends on KERNEL_CONTAINER
+
+
 ######################### config options of trace #########################
 source "kernel/extended/trace/Kconfig"

@@ -104,4 +177,4 @@ source "kernel/extended/perf/Kconfig"
 source "kernel/extended/lms/Kconfig"

 ######################### config options of hilog #########################
-source "kernel/extended/hilog/Kconfig"
+source "kernel/extended/hilog/Kconfig"
--- a/kernel/extended/container/BUILD.gn
+++ b/kernel/extended/container/BUILD.gn
@@ -0,0 +1,65 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_switch = defined(LOSCFG_KERNEL_CONTAINER)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [ "los_container.c" ]
+  if (defined(LOSCFG_IPC_CONTAINER)) {
+    sources += [ "los_ipc_container.c" ]
+  }
+  if (defined(LOSCFG_MNT_CONTAINER)) {
+    sources += [ "los_mnt_container.c" ]
+  }
+  if (defined(LOSCFG_NET_CONTAINER)) {
+    sources += [ "los_net_container.c" ]
+  }
+  if (defined(LOSCFG_PID_CONTAINER)) {
+    sources += [ "los_pid_container.c" ]
+  }
+  if (defined(LOSCFG_TIME_CONTAINER)) {
+    sources += [ "los_time_container.c" ]
+  }
+  if (defined(LOSCFG_USER_CONTAINER)) {
+    sources += [
+      "los_credentials.c",
+      "los_user_container.c",
+    ]
+  }
+  if (defined(LOSCFG_UTS_CONTAINER)) {
+    sources += [ "los_uts_container.c" ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+}
--- a/kernel/extended/container/Makefile
+++ b/kernel/extended/container/Makefile
@@ -0,0 +1,63 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := $(notdir $(shell pwd))
+
+LOCAL_SRCS := $(wildcard *.c)
+
+ifneq ($(LOSCFG_IPC_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_ipc_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_MNT_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_mnt_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_NET_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_net_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_PID_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_pid_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_TIME_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_time_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_USER_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_credentials.c los_user_container.c, $(LOCAL_SRCS))
+endif
+
+ifneq ($(LOSCFG_UTS_CONTAINER), y)
+LOCAL_SRCS += $(filter-out los_uts_container.c, $(LOCAL_SRCS))
+endif
+
+include $(MODULE)
--- a/kernel/extended/container/los_container.c
+++ b/kernel/extended/container/los_container.c
@@ -27,12 +27,14 @@
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
+
+#ifdef LOSCFG_KERNEL_CONTAINER
 #include "los_container_pri.h"
 #include "los_process_pri.h"
 #include "internal.h"
-#ifdef LOSCFG_KERNEL_CONTAINER

 STATIC Container g_rootContainer;
+STATIC ContainerLimit g_containerLimit;
 STATIC Atomic g_containerCount = 0xF0000000U;
 #ifdef LOSCFG_USER_CONTAINER
 STATIC Credentials *g_rootCredentials = NULL;
@@ -56,27 +58,182 @@ VOID OsContainerInitSystemProcess(LosProcessCB *processCB)
    return;
 }

+UINT32 OsGetContainerLimit(ContainerType type)
+{
+    switch (type) {
+#ifdef LOSCFG_PID_CONTAINER
+        case PID_CONTAINER:
+        case PID_CHILD_CONTAINER:
+            return g_containerLimit.pidLimit;
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+        case USER_CONTAINER:
+            return g_containerLimit.userLimit;
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+        case UTS_CONTAINER:
+            return g_containerLimit.utsLimit;
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+        case MNT_CONTAINER:
+            return g_containerLimit.mntLimit;
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+        case IPC_CONTAINER:
+            return g_containerLimit.ipcLimit;
+#endif
+#ifdef LOSCFG_TIME_CONTAINER
+        case TIME_CONTAINER:
+        case TIME_CHILD_CONTAINER:
+            return g_containerLimit.timeLimit;
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+        case NET_CONTAINER:
+            return g_containerLimit.netLimit;
+#endif
+        default:
+            break;
+    }
+    return OS_INVALID_VALUE;
+}
+
+UINT32 OsContainerLimitCheck(ContainerType type, UINT32 *containerCount)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    if ((*containerCount) >= OsGetContainerLimit(type)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsSetContainerLimit(ContainerType type, UINT32 value)
+{
+    UINT32 intSave;
+
+    if (value > LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    switch (type) {
+#ifdef LOSCFG_PID_CONTAINER
+        case PID_CONTAINER:
+        case PID_CHILD_CONTAINER:
+            g_containerLimit.pidLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+        case USER_CONTAINER:
+            g_containerLimit.userLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+        case UTS_CONTAINER:
+            g_containerLimit.utsLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+        case MNT_CONTAINER:
+            g_containerLimit.mntLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+        case IPC_CONTAINER:
+            g_containerLimit.ipcLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_TIME_CONTAINER
+        case TIME_CONTAINER:
+        case TIME_CHILD_CONTAINER:
+            g_containerLimit.timeLimit = value;
+            break;
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+        case NET_CONTAINER:
+            g_containerLimit.netLimit = value;
+            break;
+#endif
+        default:
+            SCHEDULER_UNLOCK(intSave);
+            return EINVAL;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsGetContainerCount(ContainerType type)
+{
+    switch (type) {
+#ifdef LOSCFG_PID_CONTAINER
+        case PID_CONTAINER:
+        case PID_CHILD_CONTAINER:
+            return OsGetPidContainerCount();
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+        case USER_CONTAINER:
+            return OsGetUserContainerCount();
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+        case UTS_CONTAINER:
+            return OsGetUtsContainerCount();
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+        case MNT_CONTAINER:
+            return OsGetMntContainerCount();
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+        case IPC_CONTAINER:
+            return OsGetIpcContainerCount();
+#endif
+#ifdef LOSCFG_TIME_CONTAINER
+        case TIME_CONTAINER:
+        case TIME_CHILD_CONTAINER:
+            return OsGetTimeContainerCount();
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+        case NET_CONTAINER:
+            return OsGetNetContainerCount();
+#endif
+        default:
+            break;
+    }
+    return OS_INVALID_VALUE;
+}
+
 VOID OsInitRootContainer(VOID)
 {
 #ifdef LOSCFG_USER_CONTAINER
+    g_containerLimit.userLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    OsInitRootUserCredentials(&g_rootCredentials);
 #endif
 #ifdef LOSCFG_PID_CONTAINER
+    g_containerLimit.pidLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    (VOID)OsInitRootPidContainer(&g_rootContainer.pidContainer);
    g_rootContainer.pidForChildContainer = g_rootContainer.pidContainer;
 #endif
 #ifdef LOSCFG_UTS_CONTAINER
+    g_containerLimit.utsLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    (VOID)OsInitRootUtsContainer(&g_rootContainer.utsContainer);
 #endif
 #ifdef LOSCFG_MNT_CONTAINER
+    g_containerLimit.mntLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    (VOID)OsInitRootMntContainer(&g_rootContainer.mntContainer);
 #endif
 #ifdef LOSCFG_IPC_CONTAINER
+    g_containerLimit.ipcLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    (VOID)OsInitRootIpcContainer(&g_rootContainer.ipcContainer);
 #endif
 #ifdef LOSCFG_TIME_CONTAINER
+    g_containerLimit.timeLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
    (VOID)OsInitRootTimeContainer(&g_rootContainer.timeContainer);
    g_rootContainer.timeForChildContainer = g_rootContainer.timeContainer;
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    g_containerLimit.netLimit = LOSCFG_KERNEL_CONTAINER_DEFAULT_LIMIT;
+    (VOID)OsInitRootNetContainer(&g_rootContainer.netContainer);
 #endif
    return;
 }
@@ -133,10 +290,43 @@ STATIC UINT32 CopyContainers(UINTPTR flags, LosProcessCB *child, LosProcessCB *p
    if (ret != LOS_OK) {
        return ret;
    }
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    ret = OsCopyNetContainer(flags, child, parent);
+    if (ret != LOS_OK) {
+        return ret;
+    }
 #endif
    return ret;
 }

+STATIC INLINE UINT32 GetContainerFlagsMask(VOID)
+{
+    UINT32 mask = 0;
+#ifdef LOSCFG_PID_CONTAINER
+    mask |= CLONE_NEWPID;
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+    mask |= CLONE_NEWNS;
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+    mask |= CLONE_NEWIPC;
+#endif
+#ifdef LOSCFG_USER_CONTAINER
+    mask |= CLONE_NEWUSER;
+#endif
+#ifdef LOSCFG_TIME_CONTAINER
+    mask |= CLONE_NEWTIME;
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    mask |= CLONE_NEWNET;
+#endif
+#ifdef LOSCFG_UTS_CONTAINER
+    mask |= CLONE_NEWUTS;
+#endif
+    return mask;
+}
+
 /*
 * called from clone.  This now handles copy for Container and all
 * namespaces therein.
@@ -149,7 +339,7 @@ UINT32 OsCopyContainers(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent
    flags &= ~CLONE_NEWTIME;
 #endif

-    if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWPID | CLONE_NEWNET | CLONE_NEWTIME))) {
+    if (!(flags & GetContainerFlagsMask())) {
 #ifdef LOSCFG_PID_CONTAINER
        if (parent->container->pidContainer != parent->container->pidForChildContainer) {
            goto CREATE_CONTAINER;
@@ -188,7 +378,7 @@ VOID OsContainerFree(LosProcessCB *processCB)
    }
 }

-VOID OsContainersDestroy(LosProcessCB *processCB)
+VOID OsOsContainersDestroyEarly(LosProcessCB *processCB)
 {
   /* All processes in the container must be destroyed before the container is destroyed. */
 #ifdef LOSCFG_PID_CONTAINER
@@ -197,6 +387,13 @@ VOID OsContainersDestroy(LosProcessCB *processCB)
    }
 #endif

+#ifdef LOSCFG_MNT_CONTAINER
+    OsMntContainerDestroy(processCB->container);
+#endif
+}
+
+VOID OsContainersDestroy(LosProcessCB *processCB)
+{
 #ifdef LOSCFG_USER_CONTAINER
    OsUserContainerDestroy(processCB);
 #endif
@@ -205,10 +402,6 @@ VOID OsContainersDestroy(LosProcessCB *processCB)
    OsUtsContainerDestroy(processCB->container);
 #endif

-#ifdef LOSCFG_MNT_CONTAINER
-    OsMntContainerDestroy(processCB->container);
-#endif
-
 #ifdef LOSCFG_IPC_CONTAINER
    OsIpcContainerDestroy(processCB->container);
 #endif
@@ -217,6 +410,10 @@ VOID OsContainersDestroy(LosProcessCB *processCB)
    OsTimeContainerDestroy(processCB->container);
 #endif

+#ifdef LOSCFG_NET_CONTAINER
+    OsNetContainerDestroy(processCB->container);
+#endif
+
 #ifndef LOSCFG_PID_CONTAINER
    UINT32 intSave;
    SCHEDULER_LOCK(intSave);
@@ -256,6 +453,10 @@ STATIC VOID DeInitContainers(UINT32 flags, Container *container, LosProcessCB *p
    OsTimeContainerDestroy(container);
 #endif

+#ifdef LOSCFG_NET_CONTAINER
+    OsNetContainerDestroy(container);
+#endif
+
    SCHEDULER_LOCK(intSave);
    LOS_AtomicDec(&container->rc);
    if (LOS_AtomicRead(&container->rc) == 0) {
@@ -299,6 +500,10 @@ UINT32 OsGetContainerID(LosProcessCB *processCB, ContainerType type)
            return OsGetTimeContainerID(container->timeContainer);
        case TIME_CHILD_CONTAINER:
            return OsGetTimeContainerID(container->timeForChildContainer);
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+        case NET_CONTAINER:
+            return OsGetNetContainerID(container->netContainer);
 #endif
        default:
            break;
@@ -338,6 +543,12 @@ STATIC UINT32 UnshareCreateNewContainers(UINT32 flags, LosProcessCB *curr, Conta
    if (ret != LOS_OK) {
        return ret;
    }
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    ret = OsUnshareNetContainer(flags, curr, newContainer);
+    if (ret != LOS_OK) {
+        return ret;
+    }
 #endif
    return ret;
 }
@@ -348,8 +559,7 @@ INT32 OsUnshare(UINT32 flags)
    UINT32 intSave;
    LosProcessCB *curr = OsCurrProcessGet();
    Container *oldContainer = curr->container;
-    UINT32 unshareFlags = CLONE_NEWPID | CLONE_NEWTIME | CLONE_NEWUTS | CLONE_NEWNS | CLONE_NEWIPC | CLONE_NEWUSER;
-
+    UINT32 unshareFlags = GetContainerFlagsMask();
    if (!(flags & unshareFlags) || ((flags & (~unshareFlags)) != 0)) {
        return -EINVAL;
    }
@@ -408,6 +618,8 @@ STATIC UINT32 SetNsGetFlagByContainerType(UINT32 containerType)
        case TIME_CONTAINER:
        case TIME_CHILD_CONTAINER:
            return CLONE_NEWTIME;
+        case NET_CONTAINER:
+            return CLONE_NEWNET;
        default:
            break;
    }
@@ -446,13 +658,19 @@ STATIC UINT32 SetNsCreateNewContainers(UINT32 flags, Container *newContainer, Co
    if (ret != LOS_OK) {
        return ret;
    }
+#endif
+#ifdef LOSCFG_NET_CONTAINER
+    ret = OsSetNsNetContainer(flags, container, newContainer);
+    if (ret != LOS_OK) {
+        return ret;
+    }
 #endif
    return LOS_OK;
 }

 STATIC UINT32 SetNsParamCheck(INT32 fd, INT32 type, UINT32 *flag, LosProcessCB **target)
 {
-    UINT32 typeMask = CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWPID | CLONE_NEWIPC | CLONE_NEWTIME | CLONE_NEWUSER;
+    UINT32 typeMask = GetContainerFlagsMask();
    *flag = (UINT32)(type & typeMask);
    UINT32 containerType = 0;

--- a/kernel/extended/container/los_credentials.c
+++ b/kernel/extended/container/los_credentials.c
--- a/kernel/extended/container/los_ipc_container.c
+++ b/kernel/extended/container/los_ipc_container.c
@@ -121,6 +121,10 @@ UINT32 OsCopyIpcContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(IPC_CONTAINER, &g_currentIpcContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    return CreateIpcContainer(child, parent);
 }

@@ -137,6 +141,10 @@ UINT32 OsUnshareIpcContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(IPC_CONTAINER, &g_currentIpcContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    IpcContainer *ipcContainer = CreateNewIpcContainer(parentContainer);
    if (ipcContainer == NULL) {
        return ENOMEM;
@@ -206,4 +214,9 @@ IpcContainer *OsGetCurrIpcContainer(VOID)
 {
    return OsCurrProcessGet()->container->ipcContainer;
 }
+
+UINT32 OsGetIpcContainerCount(VOID)
+{
+    return g_currentIpcContainerNum;
+}
 #endif
--- a/kernel/extended/container/los_mnt_container.c
+++ b/kernel/extended/container/los_mnt_container.c
@@ -28,6 +28,7 @@
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

+#ifdef LOSCFG_MNT_CONTAINER
 #include <unistd.h>
 #include "los_mnt_container_pri.h"
 #include "los_container_pri.h"
@@ -36,7 +37,6 @@
 #include "vnode.h"
 #include "internal.h"

-#ifdef LOSCFG_MNT_CONTAINER
 STATIC UINT32 g_currentMntContainerNum;

 LIST_HEAD *GetContainerMntList(VOID)
@@ -124,6 +124,10 @@ UINT32 OsCopyMntContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(MNT_CONTAINER, &g_currentMntContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    ret = CreateMntContainer(child, parent);
    if (ret != LOS_OK) {
        return ret;
@@ -146,6 +150,10 @@ UINT32 OsUnshareMntContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(MNT_CONTAINER, &g_currentMntContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    MntContainer *mntContainer = CreateNewMntContainer(parentContainer);
    if (mntContainer == NULL) {
        return ENOMEM;
@@ -237,4 +245,9 @@ UINT32 OsGetMntContainerID(MntContainer *mntContainer)

    return mntContainer->containerID;
 }
+
+UINT32 OsGetMntContainerCount(VOID)
+{
+    return g_currentMntContainerNum;
+}
 #endif
--- a/kernel/extended/container/los_net_container.c
+++ b/kernel/extended/container/los_net_container.c
@@ -0,0 +1,344 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_NET_CONTAINER
+#include <sched.h>
+#include "los_net_container_pri.h"
+#include "los_config.h"
+#include "los_memory.h"
+#include "los_process_pri.h"
+
+STATIC UINT32 g_currentNetContainerNum = 0;
+STATIC NetContainer *g_rootNetContainer = NULL;
+
+STATIC struct netif *NetifAlloc(VOID)
+{
+    UINT32 size = sizeof(struct netif);
+    struct netif *netif = LOS_MemAlloc(m_aucSysMem1, size);
+    if (netif == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(netif, size, 0, size);
+
+    return netif;
+}
+
+STATIC VOID FreeNetif(struct netif *netif)
+{
+    if (netif != NULL) {
+        if (netif->peer != NULL) {
+            netif_remove(netif->peer);
+            (VOID)LOS_MemFree(m_aucSysMem1, netif->peer);
+        }
+        netif_remove(netif);
+        (VOID)LOS_MemFree(m_aucSysMem1, netif);
+    }
+}
+
+STATIC UINT32 CreateVethNetif(NetContainer *netContainer, struct netif **veth)
+{
+    struct netif *netif = NetifAlloc();
+    if (netif == NULL) {
+        return ENOMEM;
+    }
+
+    veth_init(netif, netContainer->group);
+
+    *veth = netif;
+    return LOS_OK;
+}
+
+STATIC UINT32 InitVethPair(NetContainer *netContainer)
+{
+    struct netif *vethOfNetContainer = NULL;
+    struct netif *vethOfRootNetContainer = NULL;
+
+    UINT32 ret = CreateVethNetif(netContainer, &vethOfNetContainer);
+    if (ret != LOS_OK) {
+        return ret;
+    }
+
+    ret = CreateVethNetif(g_rootNetContainer, &vethOfRootNetContainer);
+    if (ret != LOS_OK) {
+        FreeNetif(vethOfNetContainer);
+        return ret;
+    }
+
+    vethOfNetContainer->peer = vethOfRootNetContainer;
+    vethOfRootNetContainer->peer = vethOfNetContainer;
+    return LOS_OK;
+}
+
+STATIC UINT32 InitLoopNetif(NetContainer *netContainer)
+{
+    struct netif *loop_netif = NetifAlloc();
+    if (loop_netif == NULL) {
+        return ENOMEM;
+    }
+
+    netContainer->group->loop_netif = loop_netif;
+    netif_init(netContainer->group);
+    return LOS_OK;
+}
+
+STATIC UINT32 InitContainerNetifs(NetContainer *netContainer)
+{
+    UINT32 ret = InitLoopNetif(netContainer);
+    if (ret != LOS_OK) {
+        return ret;
+    }
+    return InitVethPair(netContainer);
+}
+
+STATIC UINT32 InitNetGroup(NetContainer *netContainer)
+{
+    UINT32 size = sizeof(struct net_group);
+    struct net_group *group = LOS_MemAlloc(m_aucSysMem1, size);
+    if (group == NULL) {
+        return ENOMEM;
+    }
+    (VOID)memset_s(group, size, 0, size);
+
+    netContainer->group = group;
+    return LOS_OK;
+}
+
+STATIC VOID FreeNetContainerGroup(struct net_group *group)
+{
+    if (group == NULL) {
+        return;
+    }
+
+    struct netif *freeNetif = group->netif_list;
+    struct netif *nextNetif = NULL;
+
+    while (freeNetif != NULL) {
+        nextNetif = freeNetif->next;
+        FreeNetif(freeNetif);
+        freeNetif = nextNetif;
+    }
+}
+
+VOID OsNetContainerDestroy(Container *container)
+{
+    UINT32 intSave;
+    if (container == NULL) {
+        return;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    NetContainer *netContainer = container->netContainer;
+    if (netContainer == NULL) {
+        SCHEDULER_UNLOCK(intSave);
+        return;
+    }
+
+    LOS_AtomicDec(&netContainer->rc);
+    if (LOS_AtomicRead(&netContainer->rc) > 0) {
+        SCHEDULER_UNLOCK(intSave);
+        return;
+    }
+
+    g_currentNetContainerNum--;
+    SCHEDULER_UNLOCK(intSave);
+    FreeNetContainerGroup(netContainer->group);
+    container->netContainer = NULL;
+    (VOID)LOS_MemFree(m_aucSysMem1, netContainer->group);
+    (VOID)LOS_MemFree(m_aucSysMem1, netContainer);
+    return;
+}
+
+STATIC NetContainer *CreateNewNetContainer(NetContainer *parent)
+{
+    NetContainer *netContainer = LOS_MemAlloc(m_aucSysMem1, sizeof(NetContainer));
+    if (netContainer == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(netContainer, sizeof(NetContainer), 0, sizeof(NetContainer));
+
+    netContainer->containerID = OsAllocContainerID();
+
+    if (parent != NULL) {
+        LOS_AtomicSet(&netContainer->rc, 1);
+    } else {
+        LOS_AtomicSet(&netContainer->rc, 3); /* 3: Three system processes */
+    }
+    return netContainer;
+}
+
+STATIC UINT32 CreateNetContainer(Container *container, NetContainer *parentContainer)
+{
+    UINT32 intSave, ret;
+    NetContainer *newNetContainer = CreateNewNetContainer(parentContainer);
+    if (newNetContainer == NULL) {
+        return ENOMEM;
+    }
+
+    ret = InitNetGroup(newNetContainer);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, newNetContainer);
+        return ret;
+    }
+
+    ret = InitContainerNetifs(newNetContainer);
+    if (ret != LOS_OK) {
+        (VOID)LOS_MemFree(m_aucSysMem1, newNetContainer->group);
+        (VOID)LOS_MemFree(m_aucSysMem1, newNetContainer);
+        return ret;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    g_currentNetContainerNum++;
+    container->netContainer = newNetContainer;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsCopyNetContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent)
+{
+    UINT32 intSave;
+    NetContainer *currNetContainer = parent->container->netContainer;
+
+    if (!(flags & CLONE_NEWNET)) {
+        SCHEDULER_LOCK(intSave);
+        LOS_AtomicInc(&currNetContainer->rc);
+        child->container->netContainer = currNetContainer;
+        SCHEDULER_UNLOCK(intSave);
+        return LOS_OK;
+    }
+
+    if (OsContainerLimitCheck(NET_CONTAINER, &g_currentNetContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
+    return CreateNetContainer(child->container, currNetContainer);
+}
+
+UINT32 OsUnshareNetContainer(UINTPTR flags, LosProcessCB *curr, Container *newContainer)
+{
+    UINT32 intSave;
+    NetContainer *parentContainer = curr->container->netContainer;
+
+    if (!(flags & CLONE_NEWNET)) {
+        SCHEDULER_LOCK(intSave);
+        newContainer->netContainer = parentContainer;
+        LOS_AtomicInc(&parentContainer->rc);
+        SCHEDULER_UNLOCK(intSave);
+        return LOS_OK;
+    }
+
+    if (OsContainerLimitCheck(NET_CONTAINER, &g_currentNetContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
+    return CreateNetContainer(newContainer, parentContainer);
+}
+
+UINT32 OsSetNsNetContainer(UINT32 flags, Container *container, Container *newContainer)
+{
+    if (flags & CLONE_NEWNET) {
+        newContainer->netContainer = container->netContainer;
+        LOS_AtomicInc(&container->netContainer->rc);
+        return LOS_OK;
+    }
+
+    newContainer->netContainer = OsCurrProcessGet()->container->netContainer;
+    LOS_AtomicInc(&newContainer->netContainer->rc);
+    return LOS_OK;
+}
+
+UINT32 OsGetNetContainerID(NetContainer *netContainer)
+{
+    if (netContainer == NULL) {
+        return OS_INVALID_VALUE;
+    }
+
+    return netContainer->containerID;
+}
+
+STATIC struct net_group *DoGetNetGroupFromCurrProcess(VOID)
+{
+    LosProcessCB *processCB = OsCurrProcessGet();
+    NetContainer *netContainer = processCB->container->netContainer;
+    return netContainer->group;
+}
+
+STATIC VOID DoSetNetifNetGroup(struct netif *netif, struct net_group *group)
+{
+    netif->group = group;
+}
+
+STATIC struct net_group *DoGetNetGroupFromNetif(struct netif *netif)
+{
+    return netif != NULL ? netif->group : NULL;
+}
+
+STATIC VOID DoSetIppcbNetGroup(struct ip_pcb *pcb, struct net_group *group)
+{
+    pcb->group = group;
+}
+
+STATIC struct net_group *DoGetNetGroupFromIppcb(struct ip_pcb *pcb)
+{
+    return pcb != NULL ? pcb->group : NULL;
+}
+
+struct net_group_ops netGroupOps = {
+    .get_curr_process_net_group = DoGetNetGroupFromCurrProcess,
+    .set_netif_net_group = DoSetNetifNetGroup,
+    .get_net_group_from_netif = DoGetNetGroupFromNetif,
+    .set_ippcb_net_group = DoSetIppcbNetGroup,
+    .get_net_group_from_ippcb = DoGetNetGroupFromIppcb,
+};
+
+UINT32 OsInitRootNetContainer(NetContainer **netContainer)
+{
+    UINT32 intSave;
+    NetContainer *newNetContainer = CreateNewNetContainer(NULL);
+    if (newNetContainer == NULL) {
+        return ENOMEM;
+    }
+
+    newNetContainer->group = get_root_net_group();
+    set_default_net_group_ops(&netGroupOps);
+
+    SCHEDULER_LOCK(intSave);
+    g_currentNetContainerNum++;
+    *netContainer = newNetContainer;
+    g_rootNetContainer = newNetContainer;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsGetNetContainerCount(VOID)
+{
+    return g_currentNetContainerNum;
+}
+#endif
--- a/kernel/extended/container/los_pid_container.c
+++ b/kernel/extended/container/los_pid_container.c
@@ -52,7 +52,18 @@ STATIC VOID FreeVpid(LosProcessCB *processCB)
        processVid->vpid = OS_INVALID_VALUE;
        LOS_ListTailInsert(&pidContainer->pidFreeList, &processVid->node);
        LOS_AtomicDec(&pidContainer->rc);
-        pidContainer = pidContainer->parent;
+        PidContainer *parentPidContainer = pidContainer->parent;
+        if (LOS_AtomicRead(&pidContainer->rc) > 0) {
+            pidContainer = parentPidContainer;
+            continue;
+        }
+        g_currentPidContainerNum--;
+        (VOID)LOS_MemFree(m_aucSysMem1, pidContainer->rootPGroup);
+        (VOID)LOS_MemFree(m_aucSysMem1, pidContainer);
+        if (pidContainer == processCB->container->pidContainer) {
+            processCB->container->pidContainer = NULL;
+        }
+        pidContainer = parentPidContainer;
    }
 }

@@ -214,7 +225,7 @@ VOID OsPidContainerDestroyAllProcess(LosProcessCB *curr)
    for (UINT32 index = 2; index < LOSCFG_BASE_CORE_PROCESS_LIMIT; index++) { /* 2: ordinary process */
        SCHEDULER_LOCK(intSave);
        LosProcessCB *processCB = OS_PCB_FROM_PID(index);
-        if (OsProcessIsUnused(processCB)) {
+        if (OsProcessIsUnused(processCB) || (processCB->parentProcess == NULL)) {
            SCHEDULER_UNLOCK(intSave);
            continue;
        }
@@ -305,7 +316,7 @@ VOID OsPidContainerDestroy(Container *container, LosProcessCB *processCB)
        }
    }

-    if (LOS_AtomicRead(&pidContainer->rc) <= 0) {
+    if ((container->pidContainer != NULL) && (LOS_AtomicRead(&pidContainer->rc) <= 0)) {
        g_currentPidContainerNum--;
        container->pidContainer = NULL;
        container->pidForChildContainer = NULL;
@@ -409,6 +420,10 @@ UINT32 OsCopyPidContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
        }
        SCHEDULER_UNLOCK(intSave);

+        if (OsContainerLimitCheck(PID_CONTAINER, &g_currentPidContainerNum) != LOS_OK) {
+            return EPERM;
+        }
+
        ret = CreatePidContainer(child, parent);
        if (ret != LOS_OK) {
            return ret;
@@ -445,6 +460,10 @@ UINT32 OsUnsharePidContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(PID_CONTAINER, &g_currentPidContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    PidContainer *pidForChild = CreateNewPidContainer(curr->container->pidContainer);
    if (pidForChild == NULL) {
        return ENOMEM;
@@ -596,4 +615,9 @@ UINT32 OsGetPidContainerID(PidContainer *pidContainer)

    return pidContainer->containerID;
 }
+
+UINT32 OsGetPidContainerCount(VOID)
+{
+    return g_currentPidContainerNum;
+}
 #endif
--- a/kernel/extended/container/los_time_container.c
+++ b/kernel/extended/container/los_time_container.c
@@ -96,6 +96,10 @@ UINT32 OsCopyTimeContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *par
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(TIME_CONTAINER, &g_currentTimeContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    return CreateTimeContainer(child, parent);
 }

@@ -114,6 +118,10 @@ UINT32 OsUnshareTimeContainer(UINTPTR flags, LosProcessCB *curr, Container *newC
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(TIME_CONTAINER, &g_currentTimeContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    TimeContainer *timeForChild = CreateNewTimeContainer(curr->container->timeContainer);
    if (timeForChild == NULL) {
        return ENOMEM;
@@ -242,4 +250,9 @@ UINT32 OsSetTimeContainerMonotonic(LosProcessCB *processCB, struct timespec64 *o
    timeContainer->monotonic.tv_nsec = offsets->tv_nsec;
    return LOS_OK;
 }
+
+UINT32 OsGetTimeContainerCount(VOID)
+{
+    return g_currentTimeContainerNum;
+}
 #endif
--- a/kernel/extended/container/los_user_container.c
+++ b/kernel/extended/container/los_user_container.c
@@ -28,6 +28,7 @@
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

+#ifdef LOSCFG_USER_CONTAINER
 #include "los_user_container_pri.h"
 #include "errno.h"
 #include "ctype.h"
@@ -47,11 +48,14 @@
 #define OCT 8
 #define DEC 10

-#ifdef LOSCFG_USER_CONTAINER
-UINT32 g_currentUserContainerNum = 1;
+UINT32 g_currentUserContainerNum = 0;

 UINT32 OsCreateUserContainer(Credentials *newCredentials, UserContainer *parentUserContainer)
 {
+    if (g_currentUserContainerNum >= OsGetContainerLimit(USER_CONTAINER)) {
+        return EPERM;
+    }
+
    if ((parentUserContainer != NULL) && (parentUserContainer->level >= LEVEL_MAX)) {
        return EINVAL;
    }
@@ -95,7 +99,11 @@ VOID FreeUserContainer(UserContainer *userContainer)
        userContainer->parent = NULL;
        userContainer = parent;
        g_currentUserContainerNum--;
-    } while ((userContainer != NULL) && (LOS_AtomicRead(&userContainer->rc) <= 0));
+        if (userContainer == NULL) {
+            break;
+        }
+        LOS_AtomicDec(&userContainer->rc);
+    } while (LOS_AtomicRead(&userContainer->rc) <= 0);
 }

 STATIC UidGidExtent *MapIdUpBase(UINT32 extents, UidGidMap *map, UINT32 id)
@@ -423,4 +431,9 @@ INT32 OsUserContainerMapWrite(struct ProcFile *fp, CHAR *kbuf, size_t count,
    map->extentCount = newMap.extentCount;
    return count;
 }
+
+UINT32 OsGetUserContainerCount(VOID)
+{
+    return g_currentUserContainerNum;
+}
 #endif
--- a/kernel/extended/container/los_uts_container.c
+++ b/kernel/extended/container/los_uts_container.c
@@ -28,12 +28,11 @@
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

+#ifdef LOSCFG_UTS_CONTAINER
 #include "internal.h"
 #include "los_uts_container_pri.h"
 #include "los_process_pri.h"

-#ifdef LOSCFG_UTS_CONTAINER
-
 STATIC UINT32 g_currentUtsContainerNum;

 STATIC UINT32 InitUtsContainer(struct utsname *name)
@@ -135,6 +134,10 @@ UINT32 OsCopyUtsContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(UTS_CONTAINER, &g_currentUtsContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    return CreateUtsContainer(child, parent);
 }

@@ -151,6 +154,10 @@ UINT32 OsUnshareUtsContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
        return LOS_OK;
    }

+    if (OsContainerLimitCheck(UTS_CONTAINER, &g_currentUtsContainerNum) != LOS_OK) {
+        return EPERM;
+    }
+
    UtsContainer *utsContainer = CreateNewUtsContainer(parentContainer);
    if (utsContainer == NULL) {
        return ENOMEM;
@@ -226,4 +233,8 @@ UINT32 OsGetUtsContainerID(UtsContainer *utsContainer)
    return utsContainer->containerID;
 }

+UINT32 OsGetUtsContainerCount(VOID)
+{
+    return g_currentUtsContainerNum;
+}
 #endif
--- a/kernel/extended/hilog/BUILD.gn
+++ b/kernel/extended/hilog/BUILD.gn
@@ -33,7 +33,7 @@ module_switch = defined(LOSCFG_BASE_CORE_HILOG)
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
  sources = [
-    "//base/hiviewdfx/hilog_lite/frameworks/featured/hiview_log.c",
+    "$HIVIEWDFX_HILOG_LITE_DIR/frameworks/featured/hiview_log.c",
    "los_hilog.c",
  ]

@@ -42,8 +42,8 @@ kernel_module(module_name) {

 config("public") {
  include_dirs = [
-    "//base/hiviewdfx/hilog_lite/interfaces/native/kits",
-    "//base/hiviewdfx/hilog_lite/interfaces/native/kits/hilog",
+    "$HIVIEWDFX_HILOG_LITE_DIR/interfaces/native/kits",
+    "$HIVIEWDFX_HILOG_LITE_DIR/interfaces/native/kits/hilog",
    ".",
  ]
 }
--- a/kernel/extended/liteipc/hm_liteipc.c
+++ b/kernel/extended/liteipc/hm_liteipc.c
@@ -1094,7 +1094,7 @@ ERROR_COPY:
    return ret;
 }

-LITE_OS_SEC_TEXT STATIC UINT32 CheckRecievedMsg(IpcListNode *node, IpcContent *content, LosTaskCB *tcb)
+LITE_OS_SEC_TEXT STATIC UINT32 CheckReceivedMsg(IpcListNode *node, IpcContent *content, LosTaskCB *tcb)
 {
    UINT32 ret = LOS_OK;
    if (node == NULL) {
@@ -1184,7 +1184,7 @@ LITE_OS_SEC_TEXT STATIC UINT32 LiteIpcRead(IpcContent *content)
            LOS_ListDelete(listNode);
            node = LOS_DL_LIST_ENTRY(listNode, IpcListNode, listNode);
            SCHEDULER_UNLOCK(intSave);
-            ret = CheckRecievedMsg(node, content, tcb);
+            ret = CheckReceivedMsg(node, content, tcb);
            if (ret == LOS_OK) {
                break;
            }
--- a/kernel/extended/pipes/BUILD.gn
+++ b/kernel/extended/pipes/BUILD.gn
@@ -28,7 +28,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/NuttX/NuttX.gni")
+import("$THIRDPARTY_NUTTX_DIR/NuttX.gni")

 module_switch = defined(LOSCFG_KERNEL_PIPE)
 module_name = get_path_info(rebase_path("."), "name")
--- a/kernel/extended/plimit/BUILD.gn
+++ b/kernel/extended/plimit/BUILD.gn
@@ -0,0 +1,46 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_switch = true
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "los_devicelimit.c",
+    "los_ipclimit.c",
+    "los_memlimit.c",
+    "los_plimits.c",
+    "los_processlimit.c",
+    "los_schedlimit.c",
+  ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+}
--- a/kernel/extended/plimit/Makefile
+++ b/kernel/extended/plimit/Makefile
@@ -0,0 +1,35 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := $(notdir $(shell pwd))
+
+LOCAL_SRCS := $(wildcard *.c)
+
+include $(MODULE)
--- a/kernel/extended/plimit/los_devicelimit.c
+++ b/kernel/extended/plimit/los_devicelimit.c
@@ -0,0 +1,605 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+#include "los_seq_buf.h"
+#include "los_bitmap.h"
+#include "los_process_pri.h"
+#include "los_devicelimit.h"
+
+#define TYPE_CHAR_LEN            (1)
+#define DEVICE_NAME_PREFIX_SPACE (1)
+#define DEVICE_ACCESS_MAXLEN     (3)
+#define BUF_SEPARATOR            (5)
+
+STATIC ProcDevLimit *g_procDevLimit = NULL;
+
+VOID OsDevLimitInit(UINTPTR limit)
+{
+    ProcDevLimit *deviceLimit = (ProcDevLimit *)limit;
+    deviceLimit->behavior = DEVLIMIT_DEFAULT_ALLOW;
+    LOS_ListInit(&(deviceLimit->accessList));
+    g_procDevLimit = deviceLimit;
+}
+
+VOID *OsDevLimitAlloc(VOID)
+{
+    ProcDevLimit *plimit = (ProcDevLimit *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcDevLimit));
+    if (plimit == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(plimit, sizeof(ProcDevLimit), 0, sizeof(ProcDevLimit));
+    LOS_ListInit(&(plimit->accessList));
+    plimit->behavior = DEVLIMIT_DEFAULT_NONE;
+    return (VOID *)plimit;
+}
+
+STATIC VOID DevAccessListDelete(ProcDevLimit *devLimit)
+{
+    DevAccessItem *delItem = NULL;
+    DevAccessItem *tmpItem = NULL;
+    LOS_DL_LIST_FOR_EACH_ENTRY_SAFE(delItem, tmpItem, &devLimit->accessList, DevAccessItem, list) {
+        LOS_ListDelete(&delItem->list);
+        (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)delItem);
+    }
+}
+
+VOID OsDevLimitFree(UINTPTR limit)
+{
+    ProcDevLimit *devLimit = (ProcDevLimit *)limit;
+    if (devLimit == NULL) {
+        return;
+    }
+
+    DevAccessListDelete(devLimit);
+    (VOID)LOS_MemFree(m_aucSysMem1, devLimit);
+}
+
+STATIC UINT32 DevLimitCopyAccess(ProcDevLimit *devLimitDest, ProcDevLimit *devLimitSrc)
+{
+    DevAccessItem *tmpItem = NULL;
+    INT32 itemSize = sizeof(DevAccessItem);
+    devLimitDest->behavior = devLimitSrc->behavior;
+    LOS_DL_LIST_FOR_EACH_ENTRY(tmpItem, &devLimitSrc->accessList, DevAccessItem, list) {
+        DevAccessItem *newItem = (DevAccessItem *)LOS_MemAlloc(m_aucSysMem1, itemSize);
+        if (newItem == NULL) {
+            return ENOMEM;
+        }
+        (VOID)memcpy_s(newItem, sizeof(DevAccessItem), tmpItem, sizeof(DevAccessItem));
+        LOS_ListTailInsert(&devLimitDest->accessList, &newItem->list);
+    }
+    return LOS_OK;
+}
+
+VOID OsDevLimitCopy(UINTPTR dest, UINTPTR src)
+{
+    ProcDevLimit *devLimitDest = (ProcDevLimit *)dest;
+    ProcDevLimit *devLimitSrc = (ProcDevLimit *)src;
+    (VOID)DevLimitCopyAccess(devLimitDest, devLimitSrc);
+    devLimitDest->parent = (ProcDevLimit *)src;
+}
+
+STATIC INLINE INT32 IsSpace(INT32 c)
+{
+    return (c == ' ' || (unsigned)c - '\t' < BUF_SEPARATOR);
+}
+
+STATIC UINT32 ParseItemAccess(const CHAR *buf, DevAccessItem *item)
+{
+    switch (*buf) {
+        case 'a':
+            item->type = DEVLIMIT_DEV_ALL;
+            return LOS_OK;
+        case 'b':
+            item->type = DEVLIMIT_DEV_BLOCK;
+            break;
+        case 'c':
+            item->type = DEVLIMIT_DEV_CHAR;
+            break;
+        default:
+            return EINVAL;
+    }
+    buf += DEVICE_NAME_PREFIX_SPACE;
+    if (!IsSpace(*buf)) {
+        return EINVAL;
+    }
+    buf += DEVICE_NAME_PREFIX_SPACE;
+
+    for (INT32 count = 0; count < sizeof(item->name) - 1; count++) {
+        if (IsSpace(*buf)) {
+            break;
+        }
+        item->name[count] = *buf;
+        buf += TYPE_CHAR_LEN;
+    }
+    if (!IsSpace(*buf)) {
+        return EINVAL;
+    }
+
+    buf += DEVICE_NAME_PREFIX_SPACE;
+    for (INT32 i = 0; i < DEVICE_ACCESS_MAXLEN; i++) {
+        switch (*buf) {
+            case 'r':
+                item->access |= DEVLIMIT_ACC_READ;
+                break;
+            case 'w':
+                item->access |= DEVLIMIT_ACC_WRITE;
+                break;
+            case 'm':
+                item->access |= DEVLIMIT_ACC_MKNOD;
+                break;
+            case '\n':
+            case '\0':
+                i = DEVICE_ACCESS_MAXLEN;
+                break;
+            default:
+                return EINVAL;
+        }
+        buf += TYPE_CHAR_LEN;
+    }
+    return LOS_OK;
+}
+
+STATIC BOOL DevLimitMayAllowAll(ProcDevLimit *parent)
+{
+    if (parent == NULL) {
+        return TRUE;
+    }
+    return (parent->behavior == DEVLIMIT_DEFAULT_ALLOW);
+}
+
+STATIC BOOL DevLimitHasChildren(ProcLimitSet *procLimitSet, ProcDevLimit *devLimit)
+{
+    ProcLimitSet *parent = procLimitSet;
+    ProcLimitSet *childProcLimitSet = NULL;
+    if (devLimit == NULL) {
+        return FALSE;
+    }
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(childProcLimitSet, &(procLimitSet->childList), ProcLimitSet, childList) {
+        if (childProcLimitSet == NULL) {
+            continue;
+        }
+        if (childProcLimitSet->parent != parent) {
+            continue;
+        }
+        if (!((childProcLimitSet->mask) & BIT(PROCESS_LIMITER_ID_DEV))) {
+            continue;
+        }
+        return TRUE;
+    }
+    return FALSE;
+}
+
+STATIC UINT32 DealItemAllAccess(ProcLimitSet *procLimitSet, ProcDevLimit *devLimit,
+                                ProcDevLimit *devParentLimit, INT32 filetype)
+{
+    switch (filetype) {
+        case DEVLIMIT_ALLOW: {
+            if (DevLimitHasChildren(procLimitSet, devLimit)) {
+                return EINVAL;
+            }
+            if (!DevLimitMayAllowAll(devParentLimit)) {
+                return EPERM;
+            }
+            DevAccessListDelete(devLimit);
+            devLimit->behavior = DEVLIMIT_DEFAULT_ALLOW;
+            if (devParentLimit == NULL) {
+                break;
+            }
+            DevLimitCopyAccess(devLimit, devParentLimit);
+            break;
+        }
+        case DEVLIMIT_DENY: {
+            if (DevLimitHasChildren(procLimitSet, devLimit)) {
+                return EINVAL;
+            }
+            DevAccessListDelete(devLimit);
+            devLimit->behavior = DEVLIMIT_DEFAULT_DENY;
+            break;
+        }
+        default:
+            return EINVAL;
+    }
+    return LOS_OK;
+}
+
+STATIC BOOL DevLimitMatchItemPartial(LOS_DL_LIST *list, DevAccessItem *item)
+{
+    if ((list == NULL) || (item == NULL)) {
+        return FALSE;
+    }
+    if (LOS_ListEmpty(list)) {
+        return FALSE;
+    }
+    DevAccessItem *walk = NULL;
+    LOS_DL_LIST_FOR_EACH_ENTRY(walk, list, DevAccessItem, list) {
+        if (item->type != walk->type) {
+            continue;
+        }
+        if ((strcmp(walk->name, "*") != 0) && (strcmp(item->name, "*") != 0)
+        && (strcmp(walk->name, item->name) != 0)) {
+            continue;
+        }
+        if (!(item->access & ~(walk->access))) {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+STATIC BOOL DevLimitParentAllowsRmItem(ProcDevLimit *devParentLimit, DevAccessItem *item)
+{
+    if (devParentLimit == NULL) {
+        return TRUE;
+    }
+     /* Make sure you're not removing part or a whole item existing in the parent plimits */
+    return !DevLimitMatchItemPartial(&devParentLimit->accessList, item);
+}
+
+STATIC BOOL DevLimitMatchItem(LOS_DL_LIST *list, DevAccessItem *item)
+{
+    if ((list == NULL) || (item == NULL)) {
+        return FALSE;
+    }
+    if (LOS_ListEmpty(list)) {
+        return FALSE;
+    }
+    DevAccessItem *walk = NULL;
+    LOS_DL_LIST_FOR_EACH_ENTRY(walk, list, DevAccessItem, list) {
+        if (item->type != walk->type) {
+            continue;
+        }
+        if ((strcmp(walk->name, "*") != 0) && (strcmp(walk->name, item->name) != 0)) {
+            continue;
+        }
+        if (!(item->access & ~(walk->access))) {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+/**
+ * This is used to make sure a child plimits won't have more privileges than its parent
+ */
+STATIC BOOL DevLimitVerifyNewItem(ProcDevLimit *parent, DevAccessItem *item, INT32 currBehavior)
+{
+    if (parent == NULL) {
+        return TRUE;
+    }
+
+    if (parent->behavior == DEVLIMIT_DEFAULT_ALLOW) {
+        if (currBehavior == DEVLIMIT_DEFAULT_ALLOW) {
+            return TRUE;
+        }
+        return !DevLimitMatchItemPartial(&parent->accessList, item);
+    }
+    return DevLimitMatchItem(&parent->accessList, item);
+}
+
+STATIC BOOL DevLimitParentAllowsAddItem(ProcDevLimit *devParentLimit, DevAccessItem *item, INT32 currBehavior)
+{
+    return DevLimitVerifyNewItem(devParentLimit, item, currBehavior);
+}
+
+STATIC VOID DevLimitAccessListRm(ProcDevLimit *devLimit, DevAccessItem *item)
+{
+    if ((item == NULL) || (devLimit == NULL)) {
+        return;
+    }
+    DevAccessItem *walk, *tmp = NULL;
+    LOS_DL_LIST_FOR_EACH_ENTRY_SAFE(walk, tmp, &devLimit->accessList, DevAccessItem, list) {
+        if (walk->type != item->type) {
+            continue;
+        }
+        if (strcmp(walk->name, item->name) != 0) {
+            continue;
+        }
+        walk->access &= ~item->access;
+        if (!walk->access) {
+            LOS_ListDelete(&walk->list);
+            (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)walk);
+        }
+    }
+}
+
+STATIC UINT32 DevLimitAccessListAdd(ProcDevLimit *devLimit, DevAccessItem *item)
+{
+    if ((item == NULL) || (devLimit == NULL)) {
+        return ENOMEM;
+    }
+
+    DevAccessItem *walk = NULL;
+    DevAccessItem *newItem = (DevAccessItem *)LOS_MemAlloc(m_aucSysMem1, sizeof(DevAccessItem));
+    if (newItem == NULL) {
+        return ENOMEM;
+    }
+    (VOID)memcpy_s(newItem, sizeof(DevAccessItem), item, sizeof(DevAccessItem));
+    LOS_DL_LIST_FOR_EACH_ENTRY(walk, &devLimit->accessList, DevAccessItem, list) {
+        if (walk->type != item->type) {
+            continue;
+        }
+        if (strcmp(walk->name, item->name) != 0) {
+            continue;
+        }
+        walk->access |= item->access;
+        (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)newItem);
+        newItem = NULL;
+    }
+
+    if (newItem != NULL) {
+        LOS_ListTailInsert(&devLimit->accessList, &newItem->list);
+    }
+    return LOS_OK;
+}
+
+/**
+ * Revalidate permissions
+ */
+STATIC VOID DevLimitRevalidateActiveItems(ProcDevLimit *devLimit, ProcDevLimit *devParentLimit)
+{
+    if ((devLimit == NULL) || (devParentLimit == NULL)) {
+        return;
+    }
+    DevAccessItem *walK = NULL;
+    DevAccessItem *tmp = NULL;
+    LOS_DL_LIST_FOR_EACH_ENTRY_SAFE(walK, tmp, &devLimit->accessList, DevAccessItem, list) {
+        if (!DevLimitParentAllowsAddItem(devParentLimit, walK, devLimit->behavior)) {
+            DevLimitAccessListRm(devLimit, walK);
+        }
+    }
+}
+
+/**
+ * propagates a new item to the children
+ */
+STATIC UINT32 DevLimitPropagateItem(ProcLimitSet *procLimitSet, ProcDevLimit *devLimit, DevAccessItem *item)
+{
+    UINT32 ret = LOS_OK;
+    ProcLimitSet *parent = procLimitSet;
+    ProcLimitSet *childProcLimitSet = NULL;
+
+    if ((procLimitSet == NULL) || (item == NULL)) {
+        return ENOMEM;
+    }
+
+    if (devLimit == NULL) {
+        return LOS_OK;
+    }
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(childProcLimitSet, &procLimitSet->childList, ProcLimitSet, childList) {
+        if (childProcLimitSet == NULL) {
+            continue;
+        }
+        if (childProcLimitSet->parent != parent) {
+            continue;
+        }
+        if (!((childProcLimitSet->mask) & BIT(PROCESS_LIMITER_ID_DEV))) {
+            continue;
+        }
+        ProcDevLimit *devLimitChild = (ProcDevLimit *)childProcLimitSet->limitsList[PROCESS_LIMITER_ID_DEV];
+        if (devLimit->behavior == DEVLIMIT_DEFAULT_ALLOW &&
+            devLimitChild->behavior == DEVLIMIT_DEFAULT_ALLOW) {
+            ret = DevLimitAccessListAdd(devLimitChild, item);
+        } else {
+            DevLimitAccessListRm(devLimitChild, item);
+        }
+        DevLimitRevalidateActiveItems(devLimitChild, (ProcDevLimit *)parent->limitsList[PROCESS_LIMITER_ID_DEV]);
+    }
+    return ret;
+}
+
+STATIC UINT32 DevLimitUpdateAccess(ProcLimitSet *procLimitSet, const CHAR *buf, INT32 filetype)
+{
+    UINT32 ret;
+    UINT32 intSave;
+    DevAccessItem item = {0};
+
+    SCHEDULER_LOCK(intSave);
+    ProcDevLimit *devLimit = (ProcDevLimit *)(procLimitSet->limitsList[PROCESS_LIMITER_ID_DEV]);
+    ProcDevLimit *devParentLimit = devLimit->parent;
+
+    ret = ParseItemAccess(buf, &item);
+    if (ret != LOS_OK) {
+        SCHEDULER_UNLOCK(intSave);
+        return ret;
+    }
+    if (item.type == DEVLIMIT_DEV_ALL) {
+        ret = DealItemAllAccess(procLimitSet, devLimit, devParentLimit, filetype);
+        SCHEDULER_UNLOCK(intSave);
+        return ret;
+    }
+    switch (filetype) {
+        case DEVLIMIT_ALLOW: {
+            if (devLimit->behavior == DEVLIMIT_DEFAULT_ALLOW) {
+                if (!DevLimitParentAllowsRmItem(devParentLimit, &item)) {
+                    SCHEDULER_UNLOCK(intSave);
+                    return EPERM;
+                }
+                DevLimitAccessListRm(devLimit, &item);
+                break;
+            }
+            if (!DevLimitParentAllowsAddItem(devParentLimit, &item, devLimit->behavior)) {
+                SCHEDULER_UNLOCK(intSave);
+                return EPERM;
+            }
+            ret = DevLimitAccessListAdd(devLimit, &item);
+            break;
+        }
+        case DEVLIMIT_DENY: {
+            if (devLimit->behavior == DEVLIMIT_DEFAULT_DENY) {
+                DevLimitAccessListRm(devLimit, &item);
+            } else {
+                ret = DevLimitAccessListAdd(devLimit, &item);
+            }
+            // update child access list
+            ret = DevLimitPropagateItem(procLimitSet, devLimit, &item);
+            break;
+        }
+        default:
+            ret = EINVAL;
+            break;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return ret;
+}
+
+
+UINT32 OsDevLimitWriteAllow(ProcLimitSet *plimit, const CHAR *buf, UINT32 size)
+{
+    (VOID)size;
+    return DevLimitUpdateAccess(plimit, buf, DEVLIMIT_ALLOW);
+}
+
+UINT32 OsDevLimitWriteDeny(ProcLimitSet *plimit, const CHAR *buf, UINT32 size)
+{
+    (VOID)size;
+    return DevLimitUpdateAccess(plimit, buf, DEVLIMIT_DENY);
+}
+
+STATIC VOID DevLimitItemSetAccess(CHAR *accArray, INT16 access)
+{
+    INT32 index = 0;
+    (VOID)memset_s(acc, ACCLEN, 0, ACCLEN);
+    if (access & DEVLIMIT_ACC_READ) {
+        accArray[index] = 'r';
+        index++;
+    }
+    if (access & DEVLIMIT_ACC_WRITE) {
+        accArray[index] = 'w';
+        index++;
+    }
+    if (access & DEVLIMIT_ACC_MKNOD) {
+        accArray[index] = 'm';
+        index++;
+    }
+}
+
+STATIC CHAR DevLimitItemTypeToChar(INT16 type)
+{
+    switch (type) {
+        case DEVLIMIT_DEV_ALL:
+            return 'a';
+        case DEVLIMIT_DEV_CHAR:
+            return 'c';
+        case DEVLIMIT_DEV_BLOCK:
+            return 'b';
+        default:
+            break;
+    }
+    return 'X';
+}
+
+UINT32 OsDevLimitShow(ProcDevLimit *devLimit, struct SeqBuf *seqBuf)
+{
+    DevAccessItem *item = NULL;
+    CHAR acc[ACCLEN];
+    UINT32 intSave;
+
+    if ((devLimit == NULL) || (seqBuf == NULL)) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (devLimit->behavior == DEVLIMIT_DEFAULT_ALLOW) {
+        DevLimitItemSetAccess(acc, DEVLIMIT_ACC_MASK);
+        SCHEDULER_UNLOCK(intSave);
+        LosBufPrintf(seqBuf, "%c %s %s\n", DevLimitItemTypeToChar(DEVLIMIT_DEV_ALL), "*", acc);
+        return LOS_OK;
+    }
+    LOS_DL_LIST_FOR_EACH_ENTRY(item, &devLimit->accessList, DevAccessItem, list) {
+        DevLimitItemSetAccess(acc, item->access);
+        LosBufPrintf(seqBuf, "%c %s %s\n", DevLimitItemTypeToChar(item->type), item->name, acc);
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+STATIC INLINE INT16 ConversionDevType(INT32 vnodeType)
+{
+    INT16 type = 0;
+    if (vnodeType == VNODE_TYPE_BLK) {
+        type = DEVLIMIT_DEV_BLOCK;
+    } else if (vnodeType == VNODE_TYPE_CHR) {
+        type = DEVLIMIT_DEV_CHAR;
+    }
+    return type;
+}
+
+STATIC INLINE INT16 ConversionDevAccess(INT32 flags)
+{
+    INT16 access = 0;
+    if ((flags & O_ACCMODE) == O_RDONLY) {
+        access |= DEVLIMIT_ACC_READ;
+    }
+    if (flags & O_WRONLY) {
+        access |= DEVLIMIT_ACC_WRITE;
+    }
+    if (flags & O_RDWR) {
+        access |= DEVLIMIT_ACC_WRITE | DEVLIMIT_ACC_READ;
+    }
+    if (flags & O_CREAT) {
+        access |= DEVLIMIT_ACC_MKNOD;
+    }
+    return access;
+}
+
+UINT32 OsDevLimitCheckPermission(INT32 vnodeType, const CHAR *pathName, INT32 flags)
+{
+    BOOL matched = FALSE;
+    DevAccessItem item = {0};
+    LosProcessCB *run = OsCurrProcessGet();
+    if ((run == NULL) || (run->plimits == NULL)) {
+        return LOS_OK;
+    }
+
+    if (pathName == NULL) {
+        return EINVAL;
+    }
+
+    ProcDevLimit *devLimit = (ProcDevLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_DEV];
+
+    item.type = ConversionDevType(vnodeType);
+    item.access = ConversionDevAccess(flags);
+    LOS_ListInit(&(item.list));
+    (VOID)strncpy_s(item.name, PATH_MAX, pathName, PATH_MAX);
+
+    if (devLimit->behavior == DEVLIMIT_DEFAULT_ALLOW) {
+        matched = !DevLimitMatchItemPartial(&devLimit->accessList, &item);
+    } else {
+        matched = DevLimitMatchItem(&devLimit->accessList, &item);
+    }
+    if (!matched) {
+        return EPERM;
+    }
+    return LOS_OK;
+}
+#endif
--- a/kernel/extended/plimit/los_devicelimit.h
+++ b/kernel/extended/plimit/los_devicelimit.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_DEVICELIMIT_H
+#define _LOS_DEVICELIMIT_H
+
+#include "los_typedef.h"
+#include "los_list.h"
+#include "vfs_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#define DEVLIMIT_ACC_MKNOD 1
+#define DEVLIMIT_ACC_READ  2
+#define DEVLIMIT_ACC_WRITE 4
+#define DEVLIMIT_ACC_MASK (DEVLIMIT_ACC_MKNOD | DEVLIMIT_ACC_READ | DEVLIMIT_ACC_WRITE)
+
+#define DEVLIMIT_DEV_BLOCK 1
+#define DEVLIMIT_DEV_CHAR  2
+#define DEVLIMIT_DEV_ALL   4 /* all devices */
+
+#define DEVLIMIT_ALLOW 1
+#define DEVLIMIT_DENY 2
+
+#define ACCLEN 4
+
+struct SeqBuf;
+typedef struct TagPLimiterSet ProcLimitSet;
+
+enum DevLimitBehavior {
+    DEVLIMIT_DEFAULT_NONE,
+    DEVLIMIT_DEFAULT_ALLOW,
+    DEVLIMIT_DEFAULT_DENY,
+};
+
+typedef struct DevAccessItem {
+    INT16 type;
+    INT16 access;
+    LOS_DL_LIST list;
+    CHAR name[PATH_MAX];
+} DevAccessItem;
+
+typedef struct ProcDevLimit {
+    struct ProcDevLimit *parent;
+    UINT8 allowFile;
+    UINT8 denyFile;
+    LOS_DL_LIST accessList; // device belong to devicelimite
+    enum DevLimitBehavior behavior;
+} ProcDevLimit;
+
+VOID OsDevLimitInit(UINTPTR limit);
+VOID *OsDevLimitAlloc(VOID);
+VOID OsDevLimitFree(UINTPTR limit);
+VOID OsDevLimitCopy(UINTPTR dest, UINTPTR src);
+UINT32 OsDevLimitWriteAllow(ProcLimitSet *plimit, const CHAR *buf, UINT32 size);
+UINT32 OsDevLimitWriteDeny(ProcLimitSet *plimit, const CHAR *buf, UINT32 size);
+UINT32 OsDevLimitShow(ProcDevLimit *devLimit, struct SeqBuf *seqBuf);
+UINT32 OsDevLimitCheckPermission(INT32 vnodeType, const CHAR *pathName, INT32 flags);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+#endif /* _LOS_DEVICELIMIT_H */
--- a/kernel/extended/plimit/los_ipclimit.c
+++ b/kernel/extended/plimit/los_ipclimit.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+#include "los_ipclimit.h"
+#include "los_process_pri.h"
+
+STATIC ProcIPCLimit *g_rootIPCLimit = NULL;
+#define PLIMIT_IPC_SHM_LIMIT_MAX 0xFFFFFFFF
+
+VOID OsIPCLimitInit(UINTPTR limite)
+{
+    ProcIPCLimit *plimite = (ProcIPCLimit *)limite;
+    plimite->mqCountLimit = LOSCFG_BASE_IPC_QUEUE_LIMIT;
+    plimite->shmSizeLimit = PLIMIT_IPC_SHM_LIMIT_MAX;
+    g_rootIPCLimit = plimite;
+}
+
+VOID *OsIPCLimitAlloc(VOID)
+{
+    ProcIPCLimit *plimite = (ProcIPCLimit *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcIPCLimit));
+    if (plimite == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(plimite, sizeof(ProcIPCLimit), 0, sizeof(ProcIPCLimit));
+    return (VOID *)plimite;
+}
+
+VOID OsIPCLimitFree(UINTPTR limite)
+{
+    ProcIPCLimit *plimite = (ProcIPCLimit *)limite;
+    if (plimite == NULL) {
+        return;
+    }
+
+    (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)plimite);
+}
+
+VOID OsIPCLimitCopy(UINTPTR dest, UINTPTR src)
+{
+    ProcIPCLimit *plimiteDest = (ProcIPCLimit *)dest;
+    ProcIPCLimit *plimiteSrc = (ProcIPCLimit *)src;
+    plimiteDest->mqCountLimit = plimiteSrc->mqCountLimit;
+    plimiteDest->shmSizeLimit = plimiteSrc->shmSizeLimit;
+    return;
+}
+
+BOOL OsIPCLimiteMigrateCheck(UINTPTR curr, UINTPTR parent)
+{
+    ProcIPCLimit *currIpcLimit = (ProcIPCLimit *)curr;
+    ProcIPCLimit *parentIpcLimit = (ProcIPCLimit *)parent;
+    if ((currIpcLimit->mqCount + parentIpcLimit->mqCount) >= parentIpcLimit->mqCountLimit) {
+        return FALSE;
+    }
+
+    if ((currIpcLimit->shmSize + parentIpcLimit->shmSize) >= parentIpcLimit->shmSizeLimit) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+VOID OsIPCLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
+{
+    ProcIPCLimit *currIpcLimit = (ProcIPCLimit *)currLimit;
+    ProcIPCLimit *parentIpcLimit = (ProcIPCLimit *)parentLimit;
+    LosProcessCB *pcb = (LosProcessCB *)process;
+
+    if (pcb == NULL) {
+        parentIpcLimit->mqCount += currIpcLimit->mqCount;
+        parentIpcLimit->mqFailedCount += currIpcLimit->mqFailedCount;
+        parentIpcLimit->shmSize += currIpcLimit->shmSize;
+        parentIpcLimit->shmFailedCount += currIpcLimit->shmFailedCount;
+        return;
+    }
+
+    parentIpcLimit->mqCount -= pcb->limitStat.mqCount;
+    parentIpcLimit->shmSize -= pcb->limitStat.shmSize;
+    currIpcLimit->mqCount += pcb->limitStat.mqCount;
+    currIpcLimit->shmSize += pcb->limitStat.shmSize;
+}
+
+BOOL OsIPCLimitAddProcessCheck(UINTPTR limit, UINTPTR process)
+{
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)limit;
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    if ((ipcLimit->mqCount + pcb->limitStat.mqCount) >= ipcLimit->mqCountLimit) {
+        return FALSE;
+    }
+
+    if ((ipcLimit->shmSize + pcb->limitStat.shmSize) >= ipcLimit->shmSizeLimit) {
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+VOID OsIPCLimitAddProcess(UINTPTR limit, UINTPTR process)
+{
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    ProcIPCLimit *plimits = (ProcIPCLimit *)limit;
+    plimits->mqCount += pcb->limitStat.mqCount;
+    plimits->shmSize += pcb->limitStat.shmSize;
+    return;
+}
+
+VOID OsIPCLimitDelProcess(UINTPTR limit, UINTPTR process)
+{
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    ProcIPCLimit *plimits = (ProcIPCLimit *)limit;
+
+    plimits->mqCount -= pcb->limitStat.mqCount;
+    plimits->shmSize -= pcb->limitStat.shmSize;
+    return;
+}
+
+UINT32 OsIPCLimitSetMqLimit(ProcIPCLimit *ipcLimit, UINT32 value)
+{
+    UINT32 intSave;
+
+    if ((ipcLimit == NULL) || (value == 0) || (value > LOSCFG_BASE_IPC_QUEUE_LIMIT)) {
+        return EINVAL;
+    }
+
+    if (ipcLimit == g_rootIPCLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (value < ipcLimit->mqCount) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    ipcLimit->mqCountLimit = value;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsIPCLimitSetShmLimit(ProcIPCLimit *ipcLimit, UINT32 value)
+{
+    UINT32 intSave;
+
+    if ((ipcLimit == NULL) || (value == 0) || (value > PLIMIT_IPC_SHM_LIMIT_MAX)) {
+        return EINVAL;
+    }
+
+    if (ipcLimit == g_rootIPCLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (value < ipcLimit->shmSize) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    ipcLimit->shmSizeLimit = value;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsIPCLimitMqAlloc(VOID)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *run = OsCurrProcessGet();
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_IPC];
+    if (ipcLimit->mqCount >= ipcLimit->mqCountLimit) {
+        ipcLimit->mqFailedCount++;
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    run->limitStat.mqCount++;
+    ipcLimit->mqCount++;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+VOID OsIPCLimitMqFree(VOID)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *run = OsCurrProcessGet();
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_IPC];
+    ipcLimit->mqCount--;
+    run->limitStat.mqCount--;
+    SCHEDULER_UNLOCK(intSave);
+    return;
+}
+
+UINT32 OsIPCLimitShmAlloc(UINT32 size)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *run = OsCurrProcessGet();
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_IPC];
+    if ((ipcLimit->shmSize + size) >= ipcLimit->shmSizeLimit) {
+        ipcLimit->shmFailedCount++;
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    run->limitStat.shmSize += size;
+    ipcLimit->shmSize += size;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+VOID OsIPCLimitShmFree(UINT32 size)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *run = OsCurrProcessGet();
+    ProcIPCLimit *ipcLimit = (ProcIPCLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_IPC];
+    ipcLimit->shmSize -= size;
+    run->limitStat.shmSize -= size;
+    SCHEDULER_UNLOCK(intSave);
+    return;
+}
+
+#endif
--- a/kernel/extended/plimit/los_ipclimit.h
+++ b/kernel/extended/plimit/los_ipclimit.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_IPCLIMIT_H
+#define _LOS_IPCLIMIT_H
+
+#include "los_typedef.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct ProcIPCLimit {
+    UINT32 mqCount;
+    UINT32 mqFailedCount;
+    UINT32 mqCountLimit;
+    UINT32 shmSize;
+    UINT32 shmFailedCount;
+    UINT32 shmSizeLimit;
+} ProcIPCLimit;
+
+enum IPCStatType {
+    IPC_STAT_TYPE_MQ  = 0,
+    IPC_STAT_TYPE_SHM = 3,
+    IPC_STAT_TYPE_BUT   // buttock
+};
+
+enum IPCStatOffset {
+    IPC_STAT_OFFSET_MQ  = 0,
+    IPC_STAT_OFFSET_SHM = 3,
+    IPC_STAT_OFFSET_BUT   // buttock
+};
+
+enum StatItem {
+    STAT_ITEM_TOTAL,
+    STAT_ITEM_FAILED,
+    STAT_ITEM_LIMIT,
+    STAT_ITEM_BUT   // buttock
+};
+
+VOID OsIPCLimitInit(UINTPTR limite);
+VOID *OsIPCLimitAlloc(VOID);
+VOID OsIPCLimitFree(UINTPTR limite);
+VOID OsIPCLimitCopy(UINTPTR dest, UINTPTR src);
+BOOL OsIPCLimiteMigrateCheck(UINTPTR curr, UINTPTR parent);
+VOID OsIPCLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
+BOOL OsIPCLimitAddProcessCheck(UINTPTR limit, UINTPTR process);
+VOID OsIPCLimitAddProcess(UINTPTR limit, UINTPTR process);
+VOID OsIPCLimitDelProcess(UINTPTR limit, UINTPTR process);
+UINT32 OsIPCLimitSetMqLimit(ProcIPCLimit *ipcLimit, UINT32 value);
+UINT32 OsIPCLimitSetShmLimit(ProcIPCLimit *ipcLimit, UINT32 value);
+UINT32 OsIPCLimitMqAlloc(VOID);
+VOID OsIPCLimitMqFree(VOID);
+UINT32 OsIPCLimitShmAlloc(UINT32 size);
+VOID OsIPCLimitShmFree(UINT32 size);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_IPCIMIT_H */
--- a/kernel/extended/plimit/los_memlimit.c
+++ b/kernel/extended/plimit/los_memlimit.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+#include <stdlib.h>
+#include <securec.h>
+#include "los_config.h"
+#include "los_hook.h"
+#include "los_process_pri.h"
+#include "los_plimits.h"
+
+STATIC ProcMemLimiter *g_procMemLimiter = NULL;
+
+VOID OsMemLimiterInit(UINTPTR limite)
+{
+    ProcMemLimiter *procMemLimiter = (ProcMemLimiter *)limite;
+    procMemLimiter->limit = OS_NULL_INT;
+    g_procMemLimiter = procMemLimiter;
+}
+
+VOID OsMemLimitSetLimit(UINT32 limit)
+{
+    g_procMemLimiter->limit = limit;
+}
+
+VOID *OsMemLimiterAlloc(VOID)
+{
+    ProcMemLimiter *plimite = (ProcMemLimiter *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcMemLimiter));
+    if (plimite == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(plimite, sizeof(ProcMemLimiter), 0, sizeof(ProcMemLimiter));
+    return (VOID *)plimite;
+}
+
+VOID OsMemLimiterFree(UINTPTR limite)
+{
+    ProcMemLimiter *plimite = (ProcMemLimiter *)limite;
+    if (plimite == NULL) {
+        return;
+    }
+
+    (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)limite);
+}
+
+VOID OsMemLimiterCopy(UINTPTR dest, UINTPTR src)
+{
+    ProcMemLimiter *plimiteDest = (ProcMemLimiter *)dest;
+    ProcMemLimiter *plimiteSrc = (ProcMemLimiter *)src;
+    plimiteDest->limit = plimiteSrc->limit;
+    return;
+}
+
+BOOL MemLimiteMigrateCheck(UINTPTR curr, UINTPTR parent)
+{
+    ProcMemLimiter *currMemLimit = (ProcMemLimiter *)curr;
+    ProcMemLimiter *parentMemLimit = (ProcMemLimiter *)parent;
+    if ((currMemLimit->usage + parentMemLimit->usage) >= parentMemLimit->limit) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+VOID OsMemLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process)
+{
+    ProcMemLimiter *currMemLimit = (ProcMemLimiter *)currLimit;
+    ProcMemLimiter *parentMemLimit = (ProcMemLimiter *)parentLimit;
+    LosProcessCB *pcb = (LosProcessCB *)process;
+
+    if (pcb == NULL) {
+        parentMemLimit->usage += currMemLimit->usage;
+        parentMemLimit->failcnt += currMemLimit->failcnt;
+        if (parentMemLimit->peak < parentMemLimit->usage) {
+            parentMemLimit->peak = parentMemLimit->usage;
+        }
+        return;
+    }
+
+    parentMemLimit->usage -= pcb->limitStat.memUsed;
+    currMemLimit->usage += pcb->limitStat.memUsed;
+}
+
+BOOL OsMemLimitAddProcessCheck(UINTPTR limit, UINTPTR process)
+{
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)limit;
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    if ((memLimit->usage + pcb->limitStat.memUsed) > memLimit->limit) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+VOID OsMemLimitAddProcess(UINTPTR limit, UINTPTR process)
+{
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    ProcMemLimiter *plimits = (ProcMemLimiter *)limit;
+    plimits->usage += pcb->limitStat.memUsed;
+    if (plimits->peak < plimits->usage) {
+        plimits->peak = plimits->usage;
+    }
+    return;
+}
+
+VOID OsMemLimitDelProcess(UINTPTR limit, UINTPTR process)
+{
+    LosProcessCB *pcb = (LosProcessCB *)process;
+    ProcMemLimiter *plimits = (ProcMemLimiter *)limit;
+
+    plimits->usage -= pcb->limitStat.memUsed;
+    return;
+}
+
+UINT32 OsMemLimitSetMemLimit(ProcMemLimiter *memLimit, UINT64 value)
+{
+    UINT32 intSave;
+    if ((memLimit == NULL) || (value == 0)) {
+        return EINVAL;
+    }
+
+    if (memLimit == g_procMemLimiter) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (value < memLimit->usage) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    memLimit->limit = value;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+#define MEM_LIMIT_LOCK(state, locked) do { \
+    if (SCHEDULER_HELD()) {                \
+        locked = TRUE;                     \
+    } else {                               \
+        SCHEDULER_LOCK(state);             \
+    }                                      \
+} while (0)
+
+#define MEM_LIMIT_UNLOCK(state, locked) do { \
+    if (!locked) {                           \
+        SCHEDULER_UNLOCK(state);             \
+    }                                        \
+} while (0)
+
+UINT32 OsMemLimitCheckAndMemAdd(UINT32 size)
+{
+    UINT32 intSave;
+    BOOL locked = FALSE;
+    MEM_LIMIT_LOCK(intSave, locked);
+    LosProcessCB *run = OsCurrProcessGet();
+    UINT32 currProcessID = run->processID;
+    if ((run == NULL) || (run->plimits == NULL)) {
+        MEM_LIMIT_UNLOCK(intSave, locked);
+        return LOS_OK;
+    }
+
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)run->plimits->limitsList[PROCESS_LIMITER_ID_MEM];
+    if ((memLimit->usage + size) > memLimit->limit) {
+        memLimit->failcnt++;
+        MEM_LIMIT_UNLOCK(intSave, locked);
+        PRINT_ERR("plimits: process %u adjust the memory limit of Plimits group\n", currProcessID);
+        return ENOMEM;
+    }
+
+    memLimit->usage += size;
+    run->limitStat.memUsed += size;
+    if (memLimit->peak < memLimit->usage) {
+        memLimit->peak = memLimit->usage;
+    }
+    MEM_LIMIT_UNLOCK(intSave, locked);
+    return LOS_OK;
+}
+
+VOID OsMemLimitMemFree(UINT32 size)
+{
+    UINT32 intSave;
+    BOOL locked = FALSE;
+    MEM_LIMIT_LOCK(intSave, locked);
+    LosProcessCB *run = OsCurrProcessGet();
+    if ((run == NULL) || (run->plimits == NULL)) {
+        MEM_LIMIT_UNLOCK(intSave, locked);
+        return;
+    }
+
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)run->plimits->limitsList[PROCESS_LIMITER_ID_MEM];
+    if (run->limitStat.memUsed > size) {
+        run->limitStat.memUsed -= size;
+        memLimit->usage -= size;
+    }
+    MEM_LIMIT_UNLOCK(intSave, locked);
+}
+#endif
--- a/kernel/extended/plimit/los_memlimit.h
+++ b/kernel/extended/plimit/los_memlimit.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_MEMLIMIT_H
+#define _LOS_MEMLIMIT_H
+
+#include "los_typedef.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct ProcMemLimiter {
+    UINT64 usage;
+    UINT64 limit;
+    UINT64 peak;
+    UINT32 failcnt;
+} ProcMemLimiter;
+
+VOID OsMemLimiterInit(UINTPTR limite);
+VOID *OsMemLimiterAlloc(VOID);
+VOID OsMemLimiterFree(UINTPTR limite);
+VOID OsMemLimiterCopy(UINTPTR dest, UINTPTR src);
+BOOL MemLimiteMigrateCheck(UINTPTR curr, UINTPTR parent);
+VOID OsMemLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
+BOOL OsMemLimitAddProcessCheck(UINTPTR limit, UINTPTR process);
+VOID OsMemLimitAddProcess(UINTPTR limit, UINTPTR process);
+VOID OsMemLimitDelProcess(UINTPTR limit, UINTPTR process);
+UINT32 OsMemLimitSetMemLimit(ProcMemLimiter *memLimit, UINT64 value);
+VOID OsMemLimitSetLimit(UINTPTR limit);
+UINT32 OsMemLimitCheckAndMemAdd(UINT32 size);
+VOID OsMemLimitMemFree(UINT32 size);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_MEMLIMIT_H */
--- a/kernel/extended/plimit/los_plimits.c
+++ b/kernel/extended/plimit/los_plimits.c
@@ -0,0 +1,434 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_PLIMITS
+#include "los_base.h"
+#include "los_process_pri.h"
+#include "hal_timer.h"
+#include "los_plimits.h"
+
+typedef struct PlimiteOperations {
+    VOID (*LimiterInit)(UINTPTR);
+    VOID *(*LimiterAlloc)(VOID);
+    VOID (*LimiterFree)(UINTPTR);
+    VOID (*LimiterCopy)(UINTPTR, UINTPTR);
+    BOOL (*LimiterAddProcessCheck)(UINTPTR, UINTPTR);
+    VOID (*LimiterAddProcess)(UINTPTR, UINTPTR);
+    VOID (*LimiterDelProcess)(UINTPTR, UINTPTR);
+    BOOL (*LimiterMigrateCheck)(UINTPTR, UINTPTR);
+    VOID (*LimiterMigrate)(UINTPTR, UINTPTR, UINTPTR);
+} PlimiteOperations;
+
+static PlimiteOperations g_limiteOps[PROCESS_LIMITER_COUNT] = {
+    [PROCESS_LIMITER_ID_PIDS] = {
+        .LimiterInit = PidLimiterInit,
+        .LimiterAlloc = PidLimiterAlloc,
+        .LimiterFree = PidLimterFree,
+        .LimiterCopy = PidLimiterCopy,
+        .LimiterAddProcessCheck = OsPidLimitAddProcessCheck,
+        .LimiterAddProcess = OsPidLimitAddProcess,
+        .LimiterDelProcess = OsPidLimitDelProcess,
+        .LimiterMigrateCheck = PidLimitMigrateCheck,
+        .LimiterMigrate = NULL,
+    },
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    [PROCESS_LIMITER_ID_MEM] = {
+        .LimiterInit = OsMemLimiterInit,
+        .LimiterAlloc = OsMemLimiterAlloc,
+        .LimiterFree = OsMemLimiterFree,
+        .LimiterCopy = OsMemLimiterCopy,
+        .LimiterAddProcessCheck = OsMemLimitAddProcessCheck,
+        .LimiterAddProcess = OsMemLimitAddProcess,
+        .LimiterDelProcess = OsMemLimitDelProcess,
+        .LimiterMigrateCheck = MemLimiteMigrateCheck,
+        .LimiterMigrate = OsMemLimiterMigrate,
+    },
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    [PROCESS_LIMITER_ID_SCHED] = {
+        .LimiterInit = OsSchedLimitInit,
+        .LimiterAlloc = OsSchedLimitAlloc,
+        .LimiterFree = OsSchedLimitFree,
+        .LimiterCopy = OsSchedLimitCopy,
+        .LimiterAddProcessCheck = NULL,
+        .LimiterAddProcess = NULL,
+        .LimiterDelProcess = NULL,
+        .LimiterMigrateCheck = NULL,
+        .LimiterMigrate = NULL,
+    },
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+    [PROCESS_LIMITER_ID_DEV] = {
+        .LimiterInit = OsDevLimitInit,
+        .LimiterAlloc = OsDevLimitAlloc,
+        .LimiterFree = OsDevLimitFree,
+        .LimiterCopy = OsDevLimitCopy,
+        .LimiterAddProcessCheck = NULL,
+        .LimiterAddProcess = NULL,
+        .LimiterDelProcess = NULL,
+        .LimiterMigrateCheck = NULL,
+        .LimiterMigrate = NULL,
+    },
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    [PROCESS_LIMITER_ID_IPC] = {
+        .LimiterInit = OsIPCLimitInit,
+        .LimiterAlloc = OsIPCLimitAlloc,
+        .LimiterFree = OsIPCLimitFree,
+        .LimiterCopy = OsIPCLimitCopy,
+        .LimiterAddProcessCheck = OsIPCLimitAddProcessCheck,
+        .LimiterAddProcess = OsIPCLimitAddProcess,
+        .LimiterDelProcess = OsIPCLimitDelProcess,
+        .LimiterMigrateCheck = OsIPCLimiteMigrateCheck,
+        .LimiterMigrate = OsIPCLimitMigrate,
+    },
+#endif
+};
+
+STATIC ProcLimiterSet *g_rootPLimite = NULL;
+
+ProcLimiterSet *OsRootPLimitsGet(VOID)
+{
+    return g_rootPLimite;
+}
+
+UINT32 OsProcLimiterSetInit(VOID)
+{
+    g_rootPLimite = (ProcLimiterSet *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcLimiterSet));
+    if (g_rootPLimite == NULL) {
+        return ENOMEM;
+    }
+    (VOID)memset_s(g_rootPLimite, sizeof(ProcLimiterSet), 0, sizeof(ProcLimiterSet));
+
+    LOS_ListInit(&g_rootPLimite->childList);
+    LOS_ListInit(&g_rootPLimite->processList);
+
+    ProcLimiterSet *procLimiterSet = g_rootPLimite;
+    for (INT32 plimiteID = 0; plimiteID < PROCESS_LIMITER_COUNT; ++plimiteID) {
+        procLimiterSet->limitsList[plimiteID] = (UINTPTR)g_limiteOps[plimiteID].LimiterAlloc();
+        if (procLimiterSet->limitsList[plimiteID] == (UINTPTR)NULL) {
+            OsPLimitsFree(procLimiterSet);
+            return ENOMEM;
+        }
+
+        if (g_limiteOps[plimiteID].LimiterInit != NULL) {
+            g_limiteOps[plimiteID].LimiterInit(procLimiterSet->limitsList[plimiteID]);
+        }
+    }
+    return LOS_OK;
+}
+
+STATIC VOID PLimitsDeleteProcess(LosProcessCB *processCB)
+{
+    if ((processCB == NULL) || (processCB->plimits == NULL)) {
+        return;
+    }
+
+    ProcLimiterSet *plimits = processCB->plimits;
+    for (UINT32 limitsID = 0; limitsID < PROCESS_LIMITER_COUNT; limitsID++) {
+        if (g_limiteOps[limitsID].LimiterDelProcess == NULL) {
+            continue;
+        }
+        g_limiteOps[limitsID].LimiterDelProcess(plimits->limitsList[limitsID], (UINTPTR)processCB);
+    }
+    plimits->pidCount--;
+    LOS_ListDelete(&processCB->plimitsList);
+    processCB->plimits = NULL;
+    return;
+}
+
+STATIC UINT32 PLimitsAddProcess(ProcLimiterSet *plimits, LosProcessCB *processCB)
+{
+    UINT32 limitsID;
+    if (plimits == NULL) {
+        plimits = g_rootPLimite;
+    }
+
+    if (processCB->plimits == g_rootPLimite) {
+        return EPERM;
+    }
+
+    if (processCB->plimits == plimits) {
+        return LOS_OK;
+    }
+
+    for (limitsID = 0; limitsID < PROCESS_LIMITER_COUNT; limitsID++) {
+        if (g_limiteOps[limitsID].LimiterAddProcessCheck == NULL) {
+            continue;
+        }
+
+        if (!g_limiteOps[limitsID].LimiterAddProcessCheck(plimits->limitsList[limitsID], (UINTPTR)processCB)) {
+            return EACCES;
+        }
+    }
+
+    PLimitsDeleteProcess(processCB);
+
+    for (limitsID = 0; limitsID < PROCESS_LIMITER_COUNT; limitsID++) {
+        if (g_limiteOps[limitsID].LimiterAddProcess == NULL) {
+            continue;
+        }
+        g_limiteOps[limitsID].LimiterAddProcess(plimits->limitsList[limitsID], (UINTPTR)processCB);
+    }
+
+    LOS_ListTailInsert(&plimits->processList, &processCB->plimitsList);
+    plimits->pidCount++;
+    processCB->plimits = plimits;
+    return LOS_OK;
+}
+
+UINT32 OsPLimitsAddProcess(ProcLimiterSet *plimits, LosProcessCB *processCB)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    UINT32 ret = PLimitsAddProcess(plimits, processCB);
+    SCHEDULER_UNLOCK(intSave);
+    return ret;
+}
+
+UINT32 OsPLimitsAddPid(ProcLimiterSet *plimits, UINT32 pid)
+{
+    UINT32 intSave, ret;
+    if ((plimits == NULL) || OS_PID_CHECK_INVALID(pid) || (pid == 0)) {
+        return EINVAL;
+    }
+
+    if (plimits == g_rootPLimite) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *processCB = OS_PCB_FROM_PID((unsigned int)pid);
+    if (OsProcessIsInactive(processCB)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    ret = PLimitsAddProcess(plimits, processCB);
+    SCHEDULER_UNLOCK(intSave);
+    return ret;
+}
+
+VOID OsPLimitsDeleteProcess(LosProcessCB *processCB)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    PLimitsDeleteProcess(processCB);
+    SCHEDULER_UNLOCK(intSave);
+}
+
+UINT32 OsPLimitsPidsGet(const ProcLimiterSet *plimits, UINT32 *pids, UINT32 size)
+{
+    UINT32 intSave;
+    LosProcessCB *processCB = NULL;
+    UINT32 minSize = LOS_GetSystemProcessMaximum() * sizeof(UINT32);
+    if ((plimits == NULL) || (pids == NULL) || (size < minSize)) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    LOS_DL_LIST *listHead = (LOS_DL_LIST *)&plimits->processList;
+    if (LOS_ListEmpty(listHead)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(processCB, listHead, LosProcessCB, plimitsList) {
+        pids[OsGetPid(processCB)] = 1;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+STATIC VOID PLimitsProcessMerge(ProcLimiterSet *currPLimits, ProcLimiterSet *parentPLimits)
+{
+    LOS_DL_LIST *head = &currPLimits->processList;
+    while (!LOS_ListEmpty(head)) {
+        LosProcessCB *processCB = LOS_DL_LIST_ENTRY(head->pstNext, LosProcessCB, plimitsList);
+        PLimitsDeleteProcess(processCB);
+        PLimitsAddProcess(parentPLimits, processCB);
+    }
+    LOS_ListDelete(&currPLimits->childList);
+    currPLimits->parent = NULL;
+    return;
+}
+
+STATIC UINT32 PLimitsMigrateCheck(ProcLimiterSet *currPLimits, ProcLimiterSet *parentPLimits)
+{
+    for (UINT32 limiteID = 0; limiteID < PROCESS_LIMITER_COUNT; limiteID++) {
+        UINTPTR currLimit = currPLimits->limitsList[limiteID];
+        UINTPTR parentLimit = parentPLimits->limitsList[limiteID];
+        if (g_limiteOps[limiteID].LimiterMigrateCheck == NULL) {
+            continue;
+        }
+
+        if (!g_limiteOps[limiteID].LimiterMigrateCheck(currLimit, parentLimit)) {
+            return EPERM;
+        }
+    }
+    return LOS_OK;
+}
+
+UINT32 OsPLimitsFree(ProcLimiterSet *currPLimits)
+{
+    UINT32 intSave, ret;
+    if (currPLimits == NULL) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    ProcLimiterSet *parentPLimits = currPLimits->parent;
+    ret = PLimitsMigrateCheck(currPLimits, parentPLimits);
+    if (ret != LOS_OK) {
+        SCHEDULER_UNLOCK(intSave);
+        return ret;
+    }
+
+    PLimitsProcessMerge(currPLimits, parentPLimits);
+    SCHEDULER_UNLOCK(intSave);
+
+    for (INT32 limiteID = 0; limiteID < PROCESS_LIMITER_COUNT; ++limiteID) {
+        UINTPTR procLimiter = currPLimits->limitsList[limiteID];
+        if (g_limiteOps[limiteID].LimiterFree != NULL) {
+            g_limiteOps[limiteID].LimiterFree(procLimiter);
+        }
+    }
+    (VOID)LOS_MemFree(m_aucSysMem1, currPLimits);
+    return LOS_OK;
+}
+
+ProcLimiterSet *OsPLimitsCreate(ProcLimiterSet *parentPLimits)
+{
+    UINT32 intSave;
+
+    ProcLimiterSet *newPLimits = (ProcLimiterSet *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcLimiterSet));
+    if (newPLimits == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(newPLimits, sizeof(ProcLimiterSet), 0, sizeof(ProcLimiterSet));
+    LOS_ListInit(&newPLimits->childList);
+    LOS_ListInit(&newPLimits->processList);
+
+    SCHEDULER_LOCK(intSave);
+    newPLimits->parent = parentPLimits;
+    newPLimits->level = parentPLimits->level + 1;
+    newPLimits->mask = parentPLimits->mask;
+
+    for (INT32 plimiteID = 0; plimiteID < PROCESS_LIMITER_COUNT; ++plimiteID) {
+        newPLimits->limitsList[plimiteID] = (UINTPTR)g_limiteOps[plimiteID].LimiterAlloc();
+        if (newPLimits->limitsList[plimiteID] == (UINTPTR)NULL) {
+            SCHEDULER_UNLOCK(intSave);
+            OsPLimitsFree(newPLimits);
+            return NULL;
+        }
+
+        if (g_limiteOps[plimiteID].LimiterCopy != NULL) {
+            g_limiteOps[plimiteID].LimiterCopy(newPLimits->limitsList[plimiteID],
+                                               parentPLimits->limitsList[plimiteID]);
+        }
+    }
+    LOS_ListTailInsert(&g_rootPLimite->childList, &newPLimits->childList);
+
+    (VOID)PLimitsDeleteProcess(OsCurrProcessGet());
+    (VOID)PLimitsAddProcess(newPLimits, OsCurrProcessGet());
+    SCHEDULER_UNLOCK(intSave);
+    return newPLimits;
+}
+
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+UINT32 OsPLimitsMemUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size)
+{
+    UINT32 intSave;
+    LosProcessCB *processCB = NULL;
+    UINT32 minSize = LOS_GetSystemProcessMaximum() * sizeof(UINT64) + sizeof(ProcMemLimiter);
+    ProcMemLimiter *memLimit = (ProcMemLimiter *)usage;
+    UINT64 *memSuage = (UINT64 *)((UINTPTR)usage + sizeof(ProcMemLimiter));
+    if ((plimits == NULL) || (usage == NULL) || (size < minSize)) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    (VOID)memcpy_s(memLimit, sizeof(ProcMemLimiter),
+                   (VOID *)plimits->limitsList[PROCESS_LIMITER_ID_MEM], sizeof(ProcMemLimiter));
+    LOS_DL_LIST *listHead = (LOS_DL_LIST *)&plimits->processList;
+    if (LOS_ListEmpty(listHead)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(processCB, listHead, LosProcessCB, plimitsList) {
+        memSuage[OsGetPid(processCB)] = processCB->limitStat.memUsed;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+#endif
+
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+UINT32 OsPLimitsIPCStatGet(ProcLimiterSet *plimits, ProcIPCLimit *ipc, UINT32 size)
+{
+    UINT32 intSave;
+    if ((plimits == NULL) || (ipc == NULL) || (size != sizeof(ProcIPCLimit))) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    (VOID)memcpy_s(ipc, sizeof(ProcIPCLimit),
+                   (VOID *)plimits->limitsList[PROCESS_LIMITER_ID_IPC], sizeof(ProcIPCLimit));
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+#endif
+
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+UINT32 OsPLimitsSchedUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size)
+{
+    UINT32 intSave;
+    LosProcessCB *processCB = NULL;
+    UINT32 minSize = LOS_GetSystemProcessMaximum() * sizeof(UINT64);
+    if ((plimits == NULL) || (usage == NULL) || (size < minSize)) {
+        return EINVAL;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    LOS_DL_LIST *listHead = (LOS_DL_LIST *)&plimits->processList;
+    if (LOS_ListEmpty(listHead)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(processCB, listHead, LosProcessCB, plimitsList) {
+        usage[OsGetPid(processCB)] = processCB->limitStat.allRuntime;
+    }
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+#endif
+#endif
--- a/kernel/extended/plimit/los_plimits.h
+++ b/kernel/extended/plimit/los_plimits.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_PLIMITS_H
+#define _LOS_PLIMITS_H
+
+#include "los_list.h"
+#include "los_typedef.h"
+#include "los_processlimit.h"
+#include "los_memlimit.h"
+#include "los_ipclimit.h"
+#include "los_devicelimit.h"
+#include "los_schedlimit.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+/* proc limit set lock */
+#define PLIMITS_MIN_PERIOD_IN_US 1000000
+#define PLIMITS_MIN_QUOTA_IN_US        1
+#define PLIMITS_DELETE_WAIT_TIME    1000
+typedef struct ProcessCB LosProcessCB;
+
+enum ProcLimiterID {
+    PROCESS_LIMITER_ID_PIDS = 0,
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    PROCESS_LIMITER_ID_MEM,
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    PROCESS_LIMITER_ID_SCHED,
+#endif
+#ifdef LOSCFG_KERNEL_DEV_PLIMIT
+    PROCESS_LIMITER_ID_DEV,
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    PROCESS_LIMITER_ID_IPC,
+#endif
+    PROCESS_LIMITER_COUNT,
+};
+
+typedef struct {
+#ifdef LOSCFG_KERNEL_MEM_PLIMIT
+    UINT64 memUsed;
+#endif
+#ifdef LOSCFG_KERNEL_IPC_PLIMIT
+    UINT32 mqCount;
+    UINT32 shmSize;
+#endif
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+    UINT64  allRuntime;
+#endif
+} PLimitsData;
+
+typedef struct TagPLimiterSet {
+    struct TagPLimiterSet *parent;                       /* plimite parent */
+    LOS_DL_LIST childList;                               /* plimite childList */
+    LOS_DL_LIST processList;
+    UINT32      pidCount;
+    UINTPTR limitsList[PROCESS_LIMITER_COUNT];           /* plimite list */
+    UINT32 mask;                                         /* each bit indicates that a limite exists */
+    UINT8 level;                                         /* plimits hierarchy level */
+} ProcLimiterSet;
+
+typedef struct ProcessCB LosProcessCB;
+ProcLimiterSet *OsRootPLimitsGet(VOID);
+UINT32 OsPLimitsAddProcess(ProcLimiterSet *plimits, LosProcessCB *processCB);
+UINT32 OsPLimitsAddPid(ProcLimiterSet *plimits, UINT32 pid);
+VOID OsPLimitsDeleteProcess(LosProcessCB *processCB);
+UINT32 OsPLimitsPidsGet(const ProcLimiterSet *plimits, UINT32 *pids, UINT32 size);
+UINT32 OsPLimitsFree(ProcLimiterSet *currPLimits);
+ProcLimiterSet *OsPLimitsCreate(ProcLimiterSet *parentProcLimiterSet);
+UINT32 OsProcLimiterSetInit(VOID);
+
+UINT32 OsPLimitsMemUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);
+UINT32 OsPLimitsIPCStatGet(ProcLimiterSet *plimits, ProcIPCLimit *ipc, UINT32 size);
+UINT32 OsPLimitsSchedUsageGet(ProcLimiterSet *plimits, UINT64 *usage, UINT32 size);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_PLIMITS_H */
--- a/kernel/extended/plimit/los_processlimit.c
+++ b/kernel/extended/plimit/los_processlimit.c
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_PLIMITS
+#include "los_config.h"
+#include "los_process_pri.h"
+#include "los_process.h"
+#include "los_plimits.h"
+#include "los_task_pri.h"
+#include "los_processlimit.h"
+
+STATIC PidLimit *g_rootPidLimit = NULL;
+
+VOID PidLimiterInit(UINTPTR limit)
+{
+    PidLimit *pidLimit = (PidLimit *)limit;
+    if (pidLimit == NULL) {
+        return;
+    }
+
+    pidLimit->pidLimit = LOS_GetSystemProcessMaximum();
+    pidLimit->priorityLimit = OS_USER_PROCESS_PRIORITY_HIGHEST;
+    g_rootPidLimit = pidLimit;
+}
+
+VOID *PidLimiterAlloc(VOID)
+{
+    PidLimit *plimite = (PidLimit *)LOS_MemAlloc(m_aucSysMem1, sizeof(PidLimit));
+    if (plimite == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(plimite, sizeof(PidLimit), 0, sizeof(PidLimit));
+    return (VOID *)plimite;
+}
+
+VOID PidLimterFree(UINTPTR limit)
+{
+    PidLimit *pidLimit = (PidLimit *)limit;
+    if (pidLimit == NULL) {
+        return;
+    }
+
+    (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)limit);
+}
+
+BOOL PidLimitMigrateCheck(UINTPTR curr, UINTPTR parent)
+{
+    PidLimit *currPidLimit = (PidLimit *)curr;
+    PidLimit *parentPidLimit = (PidLimit *)parent;
+    if ((currPidLimit == NULL) || (parentPidLimit == NULL)) {
+        return FALSE;
+    }
+
+    if ((currPidLimit->pidCount + parentPidLimit->pidCount) >= parentPidLimit->pidLimit) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+BOOL OsPidLimitAddProcessCheck(UINTPTR limit, UINTPTR process)
+{
+    (VOID)process;
+    PidLimit *pidLimit = (PidLimit *)limit;
+    if (pidLimit->pidCount >= pidLimit->pidLimit) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+VOID OsPidLimitAddProcess(UINTPTR limit, UINTPTR process)
+{
+    (VOID)process;
+    PidLimit *plimits = (PidLimit *)limit;
+
+    plimits->pidCount++;
+    return;
+}
+
+VOID OsPidLimitDelProcess(UINTPTR limit, UINTPTR process)
+{
+    (VOID)process;
+    PidLimit *plimits = (PidLimit *)limit;
+
+    plimits->pidCount--;
+    return;
+}
+
+VOID PidLimiterCopy(UINTPTR curr, UINTPTR parent)
+{
+    PidLimit *currPidLimit = (PidLimit *)curr;
+    PidLimit *parentPidLimit = (PidLimit *)parent;
+    if ((currPidLimit == NULL) || (parentPidLimit == NULL)) {
+        return;
+    }
+
+    currPidLimit->pidLimit = parentPidLimit->pidLimit;
+    currPidLimit->priorityLimit = parentPidLimit->priorityLimit;
+    currPidLimit->pidCount = 0;
+    return;
+}
+
+UINT32 PidLimitSetPidLimit(PidLimit *pidLimit, UINT32 pidMax)
+{
+    UINT32 intSave;
+
+    if ((pidLimit == NULL) || (pidMax > LOS_GetSystemProcessMaximum())) {
+        return EINVAL;
+    }
+
+    if (pidLimit == g_rootPidLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (pidLimit->pidCount >= pidMax) {
+        SCHEDULER_UNLOCK(intSave);
+        return EPERM;
+    }
+
+    pidLimit->pidLimit = pidMax;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 PidLimitSetPriorityLimit(PidLimit *pidLimit, UINT32 priority)
+{
+    UINT32 intSave;
+
+    if ((pidLimit == NULL) ||
+        (priority < OS_USER_PROCESS_PRIORITY_HIGHEST) ||
+        (priority > OS_PROCESS_PRIORITY_LOWEST)) {
+        return EINVAL;
+    }
+
+    if (pidLimit == g_rootPidLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    pidLimit->priorityLimit = priority;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT16 OsPidLimitGetPriorityLimit(VOID)
+{
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    LosProcessCB *run = OsCurrProcessGet();
+    PidLimit *pidLimit = (PidLimit *)run->plimits->limitsList[PROCESS_LIMITER_ID_PIDS];
+    UINT16 priority = pidLimit->priorityLimit;
+    SCHEDULER_UNLOCK(intSave);
+    return priority;
+}
+#endif
--- a/kernel/extended/plimit/los_processlimit.h
+++ b/kernel/extended/plimit/los_processlimit.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_PROCESSLIMIT_H
+#define _LOS_PROCESSLIMIT_H
+
+#include "los_list.h"
+#include "los_typedef.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct PidLimit {
+    UINT32 pidLimit;
+    UINT32 priorityLimit;
+    UINT32 pidCount;
+} PidLimit;
+
+VOID PidLimiterInit(UINTPTR limit);
+VOID *PidLimiterAlloc(VOID);
+VOID PidLimterFree(UINTPTR limit);
+VOID PidLimiterCopy(UINTPTR curr, UINTPTR parent);
+BOOL PidLimitMigrateCheck(UINTPTR curr, UINTPTR parent);
+BOOL OsPidLimitAddProcessCheck(UINTPTR limit, UINTPTR process);
+VOID OsPidLimitAddProcess(UINTPTR limit, UINTPTR process);
+VOID OsPidLimitDelProcess(UINTPTR limit, UINTPTR process);
+UINT32 PidLimitSetPidLimit(PidLimit *pidLimit, UINT32 pidMax);
+UINT32 PidLimitSetPriorityLimit(PidLimit *pidLimit, UINT32 priority);
+UINT16 OsPidLimitGetPriorityLimit(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
--- a/kernel/extended/plimit/los_schedlimit.c
+++ b/kernel/extended/plimit/los_schedlimit.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef LOSCFG_KERNEL_SCHED_PLIMIT
+#include "los_schedlimit.h"
+#include "los_process_pri.h"
+
+STATIC ProcSchedLimiter *g_procSchedLimit = NULL;
+
+VOID OsSchedLimitInit(UINTPTR limit)
+{
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)limit;
+    schedLimit->period = 0;
+    schedLimit->quota = 0;
+    g_procSchedLimit = schedLimit;
+}
+
+VOID *OsSchedLimitAlloc(VOID)
+{
+    ProcSchedLimiter *plimit = (ProcSchedLimiter *)LOS_MemAlloc(m_aucSysMem1, sizeof(ProcSchedLimiter));
+    if (plimit == NULL) {
+        return NULL;
+    }
+    (VOID)memset_s(plimit, sizeof(ProcSchedLimiter), 0, sizeof(ProcSchedLimiter));
+    return (VOID *)plimit;
+}
+
+VOID OsSchedLimitFree(UINTPTR limit)
+{
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)limit;
+    if (schedLimit == NULL) {
+        return;
+    }
+
+    (VOID)LOS_MemFree(m_aucSysMem1, (VOID *)limit);
+}
+
+VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src)
+{
+    ProcSchedLimiter *plimitDest = (ProcSchedLimiter *)dest;
+    ProcSchedLimiter *plimitSrc = (ProcSchedLimiter *)src;
+    plimitDest->period = plimitSrc->period;
+    plimitDest->quota = plimitSrc->quota;
+    return;
+}
+
+VOID OsSchedLimitUpdateRuntime(LosTaskCB *runTask, UINT64 currTime, INT32 incTime)
+{
+    LosProcessCB *run = (LosProcessCB *)runTask->processCB;
+    if ((run == NULL) || (run->plimits == NULL)) {
+        return;
+    }
+
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)run->plimits->limitsList[PROCESS_LIMITER_ID_SCHED];
+
+    run->limitStat.allRuntime += incTime;
+    if ((schedLimit->period <= 0) || (schedLimit->quota <= 0)) {
+        return;
+    }
+
+    if ((schedLimit->startTime <= currTime) && (schedLimit->allRuntime < schedLimit->quota)) {
+        schedLimit->allRuntime += incTime;
+        return;
+    }
+
+    if (schedLimit->startTime <= currTime) {
+        schedLimit->startTime = currTime + schedLimit->period;
+        schedLimit->allRuntime = 0;
+    }
+}
+
+BOOL OsSchedLimitCheckTime(LosTaskCB *task)
+{
+    UINT64 currTime = OsGetCurrSchedTimeCycle();
+    LosProcessCB *processCB = (LosProcessCB *)task->processCB;
+    if ((processCB == NULL) || (processCB->plimits == NULL)) {
+        return TRUE;
+    }
+    ProcSchedLimiter *schedLimit = (ProcSchedLimiter *)processCB->plimits->limitsList[PROCESS_LIMITER_ID_SCHED];
+    if (schedLimit->startTime >= currTime) {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+UINT32 OsSchedLimitSetPeriod(ProcSchedLimiter *schedLimit, UINT64 value)
+{
+    UINT32 intSave;
+    if (schedLimit == NULL) {
+        return EINVAL;
+    }
+
+    if (schedLimit == g_procSchedLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    schedLimit->period = value;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+
+UINT32 OsSchedLimitSetQuota(ProcSchedLimiter *schedLimit, UINT64 value)
+{
+    UINT32 intSave;
+    if (schedLimit == NULL) {
+        return EINVAL;
+    }
+
+    if (schedLimit == g_procSchedLimit) {
+        return EPERM;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if (value > (UINT64)schedLimit->period) {
+        SCHEDULER_UNLOCK(intSave);
+        return EINVAL;
+    }
+
+    schedLimit->quota = value;
+    SCHEDULER_UNLOCK(intSave);
+    return LOS_OK;
+}
+#endif
--- a/kernel/extended/plimit/los_schedlimit.h
+++ b/kernel/extended/plimit/los_schedlimit.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SCHEDLIMIT_H
+#define _LOS_SCHEDLIMIT_H
+
+#include "los_typedef.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#define CORE_US_PER_SECOND (1000 * 1000)  /* 1000 * 1000 us per second */
+typedef struct TagTaskCB LosTaskCB;
+
+typedef struct ProcSchedLimiter {
+    UINT64 startTime;
+    UINT64 endTime;
+    UINT64 period;
+    UINT64 quota;
+    UINT64 allRuntime;
+} ProcSchedLimiter;
+
+VOID OsSchedLimitInit(UINTPTR limit);
+VOID *OsSchedLimitAlloc(VOID);
+VOID OsSchedLimitFree(UINTPTR limit);
+VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src);
+VOID OsSchedLimitUpdateRuntime(LosTaskCB *runTask, UINT64 currTime, INT32 incTime);
+UINT32 OsSchedLimitSetPeriod(ProcSchedLimiter *schedLimit, UINT64 value);
+UINT32 OsSchedLimitSetQuota(ProcSchedLimiter *schedLimit, UINT64 value);
+BOOL OsSchedLimitCheckTime(LosTaskCB *task);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_SCHEDLIMIT_H */
--- a/kernel/include/los_process.h
+++ b/kernel/include/los_process.h
@@ -47,13 +47,13 @@

 extern INT32 LOS_Fork(UINT32 flags, const CHAR *name, const TSK_ENTRY_FUNC entry, UINT32 stackSize);

-extern INT32 LOS_SetProcessPriority(INT32 pid, UINT16 prio);
+extern INT32 LOS_SetProcessPriority(INT32 pid, INT32 prio);

 extern INT32 LOS_GetProcessPriority(INT32 pid);

-extern INT32 LOS_GetProcessScheduler(INT32 pid);
+extern INT32 LOS_GetProcessScheduler(INT32 pid, INT32 *policy, LosSchedParam *schedParam);

-extern INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, UINT16 prio);
+extern INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, const LosSchedParam *schedParam);

 extern UINT32 LOS_GetCurrProcessID(VOID);

--- a/kernel/include/los_task.h
+++ b/kernel/include/los_task.h
@@ -514,8 +514,21 @@ typedef struct tagTskInitParam {
    UINT16          consoleID;     /**< The console id of task belongs  */
    UINTPTR         processID;
    UserTaskParam   userParam;
+    /* edf parameters */
+    UINT32          runTimeUs;
+    UINT64          deadlineUs;
+    UINT64          periodUs;
 } TSK_INIT_PARAM_S;

+typedef struct {
+    union {
+        INT32 priority;
+        INT32 runTimeUs;
+    };
+    INT32 deadlineUs;
+    INT32 periodUs;
+} LosSchedParam;
+
 /**
 * @ingroup los_task
 * Task name length
--- a/lib/libc/musl/BUILD.gn
+++ b/lib/libc/musl/BUILD.gn
@@ -28,11 +28,8 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-
-MUSLDIR = "$LITEOSTHIRDPARTY/musl"
-
-import("//third_party/optimized-routines/optimized-routines.gni")
-import("$MUSLDIR/porting/liteos_a/kernel/musl.gni")
+import("$THIRDPARTY_MUSL_DIR/porting/liteos_a/kernel/musl.gni")
+import("$THIRDPARTY_OPTIMIZED_ROUTINES_DIR/optimized-routines.gni")

 module_switch = defined(LOSCFG_LIBC_MUSL)
 module_name = get_path_info(rebase_path("."), "name")
--- a/lib/libc/musl/Makefile
+++ b/lib/libc/musl/Makefile
@@ -64,5 +64,6 @@ else
 LOCAL_FLAGS += -frounding-math -Wno-unused-but-set-variable
 endif
 LOCAL_FLAGS += -Wno-shift-op-parentheses -Wno-logical-op-parentheses -Wno-bitwise-op-parentheses -Wno-unknown-pragmas
+LOCAL_FLAGS += -Wno-unused-but-set-variable

 include $(MODULE)
--- a/lib/libc/newlib/BUILD.gn
+++ b/lib/libc/newlib/BUILD.gn
@@ -27,7 +27,7 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 import("//kernel/liteos_a/liteos.gni")
-import("//third_party/musl/porting/liteos_a_newlib/kernel/newlib.gni")
+import("$THIRDPARTY_MUSL_DIR/porting/liteos_a_newlib/kernel/newlib.gni")

 module_switch = defined(LOSCFG_LIBC_NEWLIB)
 module_name = get_path_info(rebase_path("."), "name")
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
openharmony_ci	180bf8e5cd	!1189 内核mqueue 竞争漏洞修复 Merge pull request !1189 from hw_llm/master	2024-05-11 03:01:05 +00:00
hw_llm	dbbb96c427	Description: liteos_a 内核竞争漏洞修复 IssueNo: https://gitee.com/openharmony/kernel_liteos_a/issues/I9OACM Feature Or Bugfix: Bugfix Binary Source: No Signed-off-by: hw_llm <liu.limin@huawei.com>	2024-05-10 20:05:39 +08:00
openharmony_ci	e3eaae1b1c	!1184 【轻量级 PR】：修改 SortQueueIndexArray 函数笔误 Merge pull request !1184 from brucezhao/N/A	2024-03-26 07:19:04 +00:00
openharmony_ci	9b5892e0a6	!1187 LTS 5.10 补丁升级适配 Merge pull request !1187 from Wanxiaoqing/master	2024-03-14 07:52:29 +00:00
wanxiaoqing	6a4d0be681	LTS 5.10 补丁升级适配 Signed-off-by: wanxiaoqing <wanxiaoqing@huawei.com>	2024-03-13 09:38:42 +08:00
openharmony_ci	8fe4080d08	!1185 删除bundle.json中的syscap信息，确保与架构信息平台设计信息一致 Merge pull request !1185 from hw_llm/master	2024-02-05 07:22:47 +00:00
hw_llm	cfa0209c14	Description: 删除bundle.json中syscap信息 IssueNo: https://gitee.com/openharmony/kernel_liteos_a/issues/I90PKD Feature Or Bugfix: Feature Binary Source: No Signed-off-by: hw_llm <liu.limin@huawei.com>	2024-02-02 15:41:59 +08:00
brucezhao	a235c4c106	修改 SortQueueIndexArray 函数笔误修改 SortQueueIndexArray 函数 queueSortParam.ipcDebugCBCnt = LOSCFG_BASE_IPC_SEM_LIMIT; 的笔误为 LOSCFG_BASE_IPC_QUEUE_LIMIT Signed-off-by: brucezhao <bruce.e.zhao@gmail.com>	2023-11-24 07:57:04 +00:00
openharmony_ci	c2cb0435b2	!1182 LTS 5.10 补丁升级适配 Merge pull request !1182 from Ywenrui44091/master	2023-11-20 04:43:43 +00:00
yaowenrui	4fbb41b7d5	LTS 5.10 补丁升级适配 Signed-off-by: yaowenrui <yaowenrui2@huawei.com>	2023-11-16 10:46:44 +08:00
openharmony_ci	04f971084b	!1178 fix: /dev/mem 及 /proc/fs_cache 权限漏洞修复 Merge pull request !1178 from yinjiaming/fix	2023-10-16 09:38:00 +00:00
yinjiaming	6daecc8d26	fix: /dev/mem 及 /proc/fs_cache 权限漏洞修复 /dev/mem 和 /proc/fs_cache 存在多余的读写权限，有被低权限者利用进行攻击的风险，现予以修复。 Signed-off-by: yinjiaming <yinjiaming@huawei.com> Change-Id: Ie6b537e8cb1de7353dfc357411eba4920a539b4f	2023-10-12 09:52:18 +08:00
openharmony_ci	173cdeb077	!1166 fix: 修复告警 Merge pull request !1166 from Zhaotianyu/20230526fix_codecheck	2023-09-05 13:36:55 +00:00
openharmony_ci	e28271d650	!1174 fix：SysMqNotify系统调用安全增强 Merge pull request !1174 from zhangdengyu/mq_0904	2023-09-04 13:19:17 +00:00
zhangdengyu	27eb4e2334	fix：SysMqNotify系统调用安全增强 Close: #I7YG58 Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Iee5a6c24cd2226e9cab0c4fd37e76194ad068862	2023-09-04 20:43:40 +08:00
openharmony_ci	bd57ef7e2c	!1161 添加unittest用例测试工具 Merge pull request !1161 from zhushengle/unittest_tools	2023-09-04 09:12:43 +00:00
zhushengle	342a3eb5c1	feat: 添加unittest用例测试工具 Close #I73IZ3 Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: I899978a8d8d2edeb30f0ba4d896f6f5abc8a6939	2023-09-04 11:57:15 +08:00
openharmony_ci	63885154d2	!1173 test：调整测试用例 Merge pull request !1173 from zhangdengyu/test_0831	2023-08-31 03:47:11 +00:00
zhangdengyu	95d1eb890a	test: 调整测试用例 Close: #I7XBLH Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Ie58907ea40c062fd1604035945810c53dc7f0bf2	2023-08-31 09:04:51 +08:00
openharmony_ci	0bc453c2cd	!1169 修复swtmr遍历不全导致的用例问题 Merge pull request !1169 from wangchen/0726_a	2023-07-26 02:39:24 +00:00
wangchen	73bcf0ec9a	Fix: 修复swtmr只在当前核遍历链表的问题 Close #I7NZDT Signed-off-by: wangchen <wangchen240@huawei.com>	2023-07-26 09:35:58 +08:00
openharmony_ci	49bfc90a63	!1167 容器代码container目录位置变更 Merge pull request !1167 from zwx1232718/master	2023-06-09 09:21:56 +00:00
zwx1232718	b0708886fa	container dir change Signed-off-by: zwx1232718 <zhenghui23@huawei.com>	2023-06-09 16:29:23 +08:00
openharmony_ci	a388a3f565	!1148 修复一些typo错误 Merge pull request !1148 from 景涛/master	2023-06-06 13:36:01 +00:00
arvinzzz	145ff76ab6	refactor: fix codecheck Signed-off-by: arvinzzz <zhaotianyu9@huawei.com> Change-Id: Ib35ca40dc837d78a4c9dc03e44d117088865a5a6	2023-05-26 15:44:47 +08:00
openharmony_ci	280769ae42	!1163 GN脚本规范化 Merge pull request !1163 from zhushengle/GN	2023-05-23 08:43:40 +00:00
zhushengle	1f3a6c8143	feat: GN脚本规范化 Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: I80b055091a0ff333a859cd35447a851296a67103	2023-05-23 15:56:45 +08:00
openharmony_ci	6c0b0dde23	!1157 test：调整TDD测试用例 Merge pull request !1157 from zhangdengyu/fixTest0424	2023-05-18 12:14:47 +00:00
zhangdengyu	76228c3617	test: TDD用例调整方案描述： 1、门禁流水线跑单个测试用例.bin文件有时间限制，将用时过长的bin按类型拆分； 2、缩短EDF测试用例的时间； 3、dynload用例改变当前工作路径未恢复导致执行结果的xml文件未生成，在用例结束退出之前恢复当前工作路径。 Close：#I6YIX6 Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: I8c6118f9589e8801000ccb0cae9b81e0925696f4	2023-05-18 15:46:12 +08:00
openharmony_ci	5de241eb2a	!1160 部件化整改 Merge pull request !1160 from zhushengle/deps	2023-05-09 14:55:31 +00:00
zhushengle	5e68558280	feat: 部件化整改 Close #I71QQ2 Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: I6f4db7c3775907df06b7186310628fcdee71bdb6	2023-05-09 21:40:00 +08:00
openharmony_ci	9c71de6a2e	!1158 Fix : 部件化需求整改 Merge pull request !1158 from yinjiaming/bundle	2023-05-05 08:33:35 +00:00
openharmony_ci	243b1e26a4	!1159 test：修复llvm升级导致tdd用例部分失败问题 Merge pull request !1159 from zhangdengyu/fixLlvmBug0428	2023-05-05 05:14:54 +00:00
yinjiaming	47a4fe030b	fix:部件需求整改修复了脚本扫描出的bundle.json的问题，整改了不符合规范的路径引用 Signed-off-by: yinjiaming <yinjiaming@huawei.com> Change-Id: I11c321f8707d3e44dd7ee40dac35cf99907fb864	2023-05-04 11:32:59 +08:00
zhangdengyu	577d29aaba	test: 修复llvm升级导致tdd用例部分失败问题方案描述： 1、llvm升级之后对while(1)死循环和给空指针赋值的场景有错误优化的情况；用例中在相关函数之前添加__attribute__((optnone))禁止编译器进行错误优化。 Close：#I6V2LN Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Ic7150909c12a599aeeb0a55b983dfad7a0631cdc	2023-05-04 09:42:38 +08:00
openharmony_ci	d9e9631286	!1156 Fix : 文档失效链接清理 Merge pull request !1156 from yinjiaming/link	2023-04-23 10:59:05 +00:00
yinjiaming	2bd5b686cf	fix:文档失效链接清理文档中部分链接已失效，现予以清理并更换为有效链接 Signed-off-by: yinjiaming <yinjiaming@huawei.com> Change-Id: Ib9dfa1e3ec74ed85049aca7c064a6d10a1a3ab46	2023-04-23 18:46:42 +08:00
openharmony_ci	8452488bdb	!1149 feat：修复测试用例 Merge pull request !1149 from zhangdengyu/muslUpdate0419	2023-04-21 07:33:16 +00:00
openharmony_ci	a04ab13c76	!1152 修复获取容器信息失败 Merge pull request !1152 from zhushengle/container_bug	2023-04-21 06:40:08 +00:00
zhushengle	338f5d7e7d	fix: 修复获取容器信息失败 Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: Ie612d14337f7c24812c74f1510c0a8e6fca1c200	2023-04-20 22:35:20 +08:00
zhangdengyu	fa68ebfcd1	feat: 修复测试用例方案描述： musl升级修改了接口部分场景下的错误码，测试用例同步修改。 BREAKING CHANGE: 修复测试用例对外变更描述： 1、socket接口v1.2.0中传入错误参数返回EINVAL错误码，更新之后将返回ENOENT错误码； 2、__nscd_query接口v1.2.0中给传入错误参数返回EAFNOSUPPORT错误码，更新之后将返回ENOENT错误码。 Close: #I6WWES Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Ib8a1e52b164cf78df917dc28c90f02056a80e1ed	2023-04-19 16:43:20 +08:00
”景涛“	24aa6858ee	fix some typo errors Signed-off-by: ”景涛“ <jingtao3@hust.edu.cn>	2023-04-15 22:16:32 +08:00
openharmony_ci	5fb9165c08	!1139 feat: support EDF Merge pull request !1139 from zhangdengyu/supportEDF0404	2023-04-09 12:38:18 +00:00
zhangdengyu	13f68dcf9c	feat: support EDF 方案描述： 1、liteos_a调度框架支持EDF调度算法，默认优先调度EDF策略的任务 2、用户态musl_c库适配新增调度算法，同步修改相关接口以支持用户态创建EDF进程与线程 BREAKING CHANGE: support EDF对外变更描述：以下接口支持SCHED_DEADLINE调度策略: pthread_attr_getschedparam pthread_attr_setschedparam pthread_getschedparam pthread_setschedparam pthread_create sched_getscheduler sched_getparam sched_setparam sched_setscheduler Close：#I6T3P3 Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Ic9fe6896fcae42ae4ee7fe5dfb8e858a6ed19740	2023-04-09 19:46:26 +08:00
openharmony_ci	f332a06e4c	!1134 Ignore warnings for llvm15 upgrade Merge pull request !1134 from enable_llvm15	2023-04-04 07:03:22 +00:00
guzhihao4	1ba32406bb	Ignore warnings for enable llvm15 Issue: #I6LPWU Signed-off-by: guzhihao4 <guzhihao4@huawei.com> Change-Id: I7b558fa46239081890ae005de65ba8d2bba1d134	2023-04-03 16:42:22 +08:00
openharmony_ci	249ea71a11	!1135 修复 hm_liteipc.c 处的 typo Merge pull request !1135 from 邹亚龙/master	2023-04-03 07:53:57 +00:00
Yalong Zou	814f5affd0	fix: 修复 hm_liteipc.c 处的 typo 应拼写成 Receive, 因此此处的函数名称应当是 CheckReceivedMsg. Signed-off-by: Yalong Zou <yalongz@hust.edu.cn>	2023-03-15 23:04:21 +08:00
openharmony_ci	4ff66c7f40	!1133 fix: 修复网络容器测试失败问题 Merge pull request !1133 from zhushengle/container_net	2023-03-15 02:10:46 +00:00
zhushengle	8f937c8771	fix: 修复网络容器测试失败问题 1.修复网络容器测试失败问题 2.调整测试用例之间的顺序，提高测试用例的稳定性 3.极限压测用例增加延时，等待系统资源回收，增加用例稳定性 4.优化网络容器测试用例重复代码 Close #I6L7VF Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: If800793430c872c432f5fdf2d9c2d968fafb3973	2023-03-09 14:18:24 +08:00
openharmony_ci	2845efe801	!1129 fix：修复内核调用栈解析脚本bug Merge pull request !1129 from zhangdengyu/fix_debug_script	2023-03-04 06:21:52 +00:00
openharmony_ci	8cc5209181	!1132 feat：修复使用不规范的测试用例 Merge pull request !1132 from zhangdengyu/muslUpdate0303	2023-03-04 05:55:16 +00:00
zhangdengyu	f995c7c7af	feat：修复使用不规范的测试用例 1、在编译kernel/liteos_a测试用例时process、extended、libc三个模块出现报错，主要分为以下几种类型： 1.1、函数返回值为int或其它类型，错误使用了返回NULL的断言宏。修改断言宏返回正确的类型。 1.2、函数返回值为int或其它类型，错误的return了NULL。修改成正确的返回值类型。 1.3、waitpid函数第三个参数为int类型，错误传入了NULL。修改成正确的入参类型。 1.4、使用的断言宏传入的参数一个为int或其他类型，一个为NULL，类似不匹配。修改成匹配的类型。 1.5、testsuites/unittest/process/basic/pthread/smoke/pthread_test_012.cpp中调用Syscall接口，第二个参数为in类型，错误的传入了NULL。修改入参为正确的类型。 2、hb set选择ipcamera_hispark_taurus，编译之后使用nfs将out/hispark_taurus/ipcamera_hispark_taurus/test/unittest/kernel/bin目录中的 9个测试用例放到单板上进行测试，运行结果全部通过，并生成对应结果从xml文件，其中liteos_a_basic_unittest.bin无xml文件生成是由于gtest框架升级引入。 Close: #I6J7QK Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: Ifa977658bfc47ba85484e06465735cdffef3dbe2	2023-03-03 13:52:19 +08:00
openharmony_ci	a104497e08	!1127 feature: 内核libc升级 Merge pull request !1127 from Zhaotianyu/20230224libc_update	2023-02-28 11:34:24 +00:00
arvinzzz	b5ae9e25c6	feature: fix liteos_a_newlib_kernel compiler error & libc update Signed-off-by: arvinzzz <zhaotianyu9@huawei.com> Change-Id: I4a8c2cfb2ba044f000026f738c6da1781cb7db35	2023-02-28 11:07:14 +08:00
openharmony_ci	c2b5a5897f	!1126 feat: 支持网络容器 Merge pull request !1126 from zhushengle/net_container	2023-02-28 03:02:24 +00:00
zhangdengyu	f924cc775b	fix：修复内核调用栈解析脚本bug 方案描述： 1、修复内核调用栈解析脚本parse_mem_info.sh的bug，将多余符号(`)去除 BREAKING CHANGE：无 Close：#I6I6BA Signed-off-by: zhangdengyu <zhangdengyu2@huawei.com> Change-Id: I0b0d7e5f6e79313e5f517f89395f4195883cfe06	2023-02-27 19:01:03 +08:00
zhushengle	5dc9a0f1a6	feat: 支持网络容器 BREAKING CHANGE: 支持网络容器对外变更: 1.支持网络容器 2.setns, clone, unshare接口支持CLONE_NEWNET Close #I6HPH2 Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: Ibaa11056982d465d4006680c8d3fa4ae2b9f25b5	2023-02-25 12:30:09 +08:00
openharmony_ci	806bd80841	!1125 支持容器限额 Merge pull request !1125 from zhushengle/container_limit	2023-02-24 01:09:47 +00:00
zhushengle	c141a92544	feat 支持容器限额 BREAKING CHANGE: 支持容器限额对外变更: 1.在proc目录下增加sys/user目录，支持max_容器_container 配额文件 Close #I6HDQK Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: Ieaac046182f679a6f49cbdc74593ab39fcb31f5f	2023-02-23 22:16:18 +08:00
openharmony_ci	10c5e2e666	!1124 限制对资源控制器的删除以及添加资源控制器测试用例 Merge pull request !1124 from zhushengle/cgroups_test	2023-02-23 09:02:50 +00:00
zhushengle	da9ce464dd	feat: 添加cgroups测试用例 Close #I6H2AR Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: I31a432b69ea5fbad137aa1bb947fff4b6fc307df	2023-02-23 16:16:31 +08:00
openharmony_ci	f0a435dce1	!1123 支持资源限额控制器 Merge pull request !1123 from zhushengle/cgroups_2	2023-02-23 03:50:44 +00:00
zhushengle	b45cdbda3e	feat: 支持cgroups BREAKING CHANGE: 支持cgroups对外变更: 1.在proc目录下支持plimits目录，支持ipc, pid, memory, devices, sched控制器 Close #I6GVPL Signed-off-by: zhushengle <zhushengle@huawei.com> Change-Id: Ib996e07bf148abce9e40290d6188b763b52e89bb	2023-02-23 09:32:17 +08:00