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23 Commits

Author SHA1 Message Date
Far 987a722d2d fix: 修复一些静态检查工具发现的问题 
Signed-off-by: Far <yesiyuan2@huawei.com>
Change-Id: I2b93259d55a9eb1a9dfd5887fd7821c15274bb7f
 2022-10-15 17:36:45 +08:00
arvinzzz 47fac7158e fix: 内源检视问题修复 
Signed-off-by: arvinzzz <zhaotianyu9@huawei.com>
Change-Id: I7c0b8f4026d8fbd4b0d985d4ce82187e56f1d6ec
 2022-03-18 16:06:23 +08:00
zhushengle 298ccea3fe fix: 进程退出前自己回收vmspace中的所有region 
背景：
父进程fork一个子进程，调用waitpid等待子进程结束。
子进程dlopen一个文件a.so，并退出。当守护进程正在
1核回收子进程资源时，父进程在0核运行从waitpid返
回后，同时remove a.so概率失败。

Close #I4CKQC

Signed-off-by: zhushengle <zhushengle@huawei.com>
Change-Id: Ie7940e7c931ced10ee357cf9aa7c64355effed49
 2021-10-09 12:14:45 +08:00
Leon Chan 38a6b804e9 feat: page cache backed by vnode instead of filep 
1, change the owner of page to vnode
2, save the file path in vnode

close: #I44TBS
Signed-off-by: Leon Chan <chenwei26@huawei.com>
 2021-09-14 15:31:33 +08:00
Haryslee 42f374dd7a fix: 合并进程栈两个地址连续的region 
背景：进程加载的时候，先预申请一个页用作参数拷贝，另外通过mmap方式申请
额外的虚拟栈空间，此时便有两个地址连续的区间。
方案：新增内部接口OsStackAlloc，用于申请一个连续的虚拟地址区间，并对其
中指定区间做物理内存的映射。

close #I43QYJ

Signed-off-by: Haryslee <lihao189@huawei.com>
Change-Id: I224cca3671c42a94c2f74b2da5a11403849e33d3
 2021-08-10 17:20:17 +08:00
Haryslee 30f5ab89b7 fix: 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。 
内存完整性校验原有逻辑中当检测到非零异常指针后仍继续访问异常指针
next的内存域导致系统异常。
本次修改后的逻辑为：检测到非零异常指针后直接退出循环，将异常指针
的相关信息输出即可，增加了goto逻辑。对原有功能逻辑无影响。

close #I3VJZT

Change-Id: I5be06a552cf9fd74d8bd78f5cdf04db06eab4f76
Signed-off-by: Haryslee <lihao189@huawei.com>
 2021-06-22 09:54:31 +08:00
mucor 73a777777e fix: remove redundant headfile 
1.remove redundant headfile in kernel, such as:
  compiler.h;debug.h;automount.h;inode.h;syslog.h;net.h;
2.split fs.h to file.h and driver.h
3.move vnode.h and path_cache.h to vfs/include
4.remove redundant interface and defines

close: #I3RTNR

Signed-off-by: mucor <mucorwang@gmail.com>
 2021-06-19 17:32:47 +08:00
kenneth f0b419099d chore: rename function OsCreateUserVmSpace 
rename function OsCreateUserVmSpace to fix typo

close https://gitee.com/openharmony/kernel_liteos_a/issues/I3QD42

Signed-off-by: kenneth <459864689@qq.com>
 2021-06-16 15:00:53 +08:00
Caoruihong 744b2021b2 chore: add a mini config for qemu arm virt 
support turn off as many features as possible.
current only libc and posix and bsd can not be turned off.

Signed-off-by: Caoruihong <crh.cao@huawei.com>
Change-Id: I1e97570c67593207a56dc11f357eca4b4a018bfd
 2021-06-05 17:40:22 +08:00
Haryslee 022768ab58 Delete redundant code 
Change-Id: Id75a1b146766f448838afc80ad11cfd9d990e94e
 2021-04-30 10:21:49 +08:00
Haryslee 20754539e4 remove redundant field regions in VmSpace structure 
Change-Id: I626a96376fe6bee69b10ee9b56495d62849c19b7
 2021-04-26 14:39:45 +08:00
openharmony_ci 7ba0bfa800 !157 删除无用的__cplusplus，移除不必要的文件x权限 
Merge pull request !157 from Caoruihong/cplusplus
 2021-04-20 09:01:45 +08:00
openharmony_ci 2131237057 !152 修复LOS_RegionFind等接口竞态问题 
Merge pull request !152 from JerryH/master
 2021-04-20 08:16:28 +08:00
Caoruihong 7e73c929a2 remove __cplusplus guards in .c files 
Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f
 2021-04-19 18:28:25 +08:00
zhangfanfan2 23037dfd38 新增函数LOS_CurrSpaceGet 2021-04-17 16:28:03 +08:00
YOUR_NAME 74af06d5cb IssueNo:#I3G1Q7 
Description:Fix related interface competition issues.
Sig:liteos_a
Feature or Bugfix:Bugfix
Binary Source:No

Change-Id: I1198408be9ce577bbf0735e3da53d0834622f429
 2021-04-17 16:15:35 +08:00
YOUR_NAME c959d43684 IssueNo:#I3E0F2 
Description:Delete VM to support only kernel mode.
Sig:liteos_a
Feature or Bugfix:Feature
Binary Source:No

Change-Id: Ie1029c8fbc0c1b85c138663933118d2d148b7769
 2021-03-31 16:14:54 +08:00
mamingshuai 73a7b66116 update openharmony 1.0.1 2021-03-11 18:43:57 +08:00
laokz c2b31e9628 修改region相关：优化OsVmRegionSplit红黑树节点操作，修改OsVmRegionAdjust起始地址不在region时的行为，修复OsIsRegionCanExpand计算错误，更正几处typos 2020-11-27 20:49:06 +08:00
zhangfanfan2 02788cedc0 内存泄漏、访问野指针以及竞态问题修复。 2020-11-03 11:20:09 +08:00
Caoruihong 63bd69267a drop unnecessary executable file permission mode 
Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86
 2020-10-13 16:37:25 +08:00
Harylee f62115dfef Fix mmap 2020-09-28 16:32:18 +08:00
wenjun 6df931fc98 add OpenHarmony 1.0 baseline 2020-09-08 17:22:24 +08:00