sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

mm/kasan: Delete the lock when adding regions

Browse Source 
Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
This commit is contained in:
wangmingrong 2024-01-29 14:58:15 +08:00 committed by Xiang Xiao
parent fa5d843aa9
commit 64cbafeaa0
1 changed files with 0 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mm/kasan/kasan.c
View File

@ -310,19 +310,15 @@ void kasan_unpoison(FAR const void *addr, size_t size)
void kasan_register(FAR void *addr, FAR size_t *size)
{
FAR struct kasan_region_s *region;
int flags;
region = (FAR struct kasan_region_s *)
((FAR char *)addr + *size - KASAN_REGION_SIZE(*size));
region->begin = (uintptr_t)addr;
region->end = region->begin + *size;
flags = spin_lock_irqsave(&g_lock);
region->next = g_region;
g_region = region;
g_region_init = KASAN_INIT_VALUE;
spin_unlock_irqrestore(&g_lock, flags);
kasan_poison(addr, *size);
*size -= KASAN_REGION_SIZE(*size);