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Use only whole kernel lock

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This commit is contained in:
TXuian
2024-03-15 16:21:36 +08:00
parent d987bf0357
commit b939557317
14 changed files with 8 additions and 79 deletions
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Ubiquitous/XiZi_AIoT/kernel_actracer/actracer_mem_chunk.c
-13
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@@ -76,8 +76,6 @@ void mem_chunk_synchronizer_init(uintptr_t mem_chunk_base, uint32_t mem_chunk_si
static struct tracer_mem_chunk* tracer_get_mem_chunk_cache(uint32_t chunk_id)
{
spinlock_lock(&tracer_mem_chunk_syner.lock);
// cached mem_chunk cache
struct tracer_mem_chunk* b;
DOUBLE_LIST_FOR_EACH_ENTRY(b, &tracer_mem_chunk_syner.head, list_node)
@@ -85,7 +83,6 @@ static struct tracer_mem_chunk* tracer_get_mem_chunk_cache(uint32_t chunk_id)
if (b->chunk_id == chunk_id) {
if (!(b->flag & TRACER_MEM_CHUNK_BUSY)) {
b->flag |= TRACER_MEM_CHUNK_BUSY;
spinlock_unlock(&tracer_mem_chunk_syner.lock);
return b;
}
ERROR("tracer mem_chunk syner is locked\n");
@@ -99,7 +96,6 @@ static struct tracer_mem_chunk* tracer_get_mem_chunk_cache(uint32_t chunk_id)
if ((b->flag & TRACER_MEM_CHUNK_BUSY) == 0) {
b->chunk_id = chunk_id;
b->flag = TRACER_MEM_CHUNK_BUSY;
spinlock_unlock(&tracer_mem_chunk_syner.lock);
return b;
}
}
@@ -134,13 +130,9 @@ void tracer_mem_chunk_release(struct tracer_mem_chunk* b)
}
// move mem_chunk that just used to the head of cache list
spinlock_lock(&tracer_mem_chunk_syner.lock);
doubleListDel(&b->list_node);
doubleListAddOnHead(&b->list_node, &tracer_mem_chunk_syner.head);
b->flag &= ~TRACER_MEM_CHUNK_BUSY;
spinlock_unlock(&tracer_mem_chunk_syner.lock);
}
static void tracer_mem_chunk_zero(uint32_t chunk_id)
@@ -157,7 +149,6 @@ static void tracer_mem_chunk_zero(uint32_t chunk_id)
static uint32_t find_first_free_mem_chunk()
{
/// @todo another mem_chunk
spinlock_lock(&sys_tracer.mem_chunk_bitmap_lock);
for (uint32_t idx = 0; idx < BITS_MEM_CHUNK_BITMAP; idx++) {
if (sys_tracer.mem_chunks_bit_map[idx] == 0xFFFFFFFF) {
continue;
@@ -165,11 +156,9 @@ static uint32_t find_first_free_mem_chunk()
uint32_t position = __builtin_ffs(~sys_tracer.mem_chunks_bit_map[idx]);
if (position != 32) {
sys_tracer.mem_chunks_bit_map[idx] |= (1 << (position - 1));
spinlock_unlock(&sys_tracer.mem_chunk_bitmap_lock);
return idx * 32 + position;
}
}
spinlock_unlock(&sys_tracer.mem_chunk_bitmap_lock);
panic("Tracer no enough space.");
return 0;
}
@@ -184,11 +173,9 @@ uint32_t tracer_mem_chunk_alloc()
void tracer_mem_chunk_free(uint32_t chunk_id)
{
assert(chunk_id >= 0 && chunk_id < NR_TRACER_MEM_CHUNKS);
spinlock_lock(&sys_tracer.mem_chunk_bitmap_lock);
uint32_t idx = chunk_id % 32;
uint32_t inner_mem_chunk_bit = chunk_id / 32;
// assert mem_chunk is allocated
assert((sys_tracer.mem_chunks_bit_map[idx] & (1 << inner_mem_chunk_bit)) != 0);
sys_tracer.mem_chunks_bit_map[idx] &= (uint32_t)(~(1 << inner_mem_chunk_bit));
spinlock_unlock(&sys_tracer.mem_chunk_bitmap_lock);
}