diff options
Diffstat (limited to 'mm/kasan/common.c')
| -rw-r--r-- | mm/kasan/common.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c index f18067736f7c..950fd372a07e 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -180,21 +180,6 @@ asmlinkage void kasan_unpoison_task_stack_below(const void *watermark) kasan_unpoison_shadow(base, watermark - base); } -/* - * Clear all poison for the region between the current SP and a provided - * watermark value, as is sometimes required prior to hand-crafted asm function - * returns in the middle of functions. - */ -void kasan_unpoison_stack_above_sp_to(const void *watermark) -{ - const void *sp = __builtin_frame_address(0); - size_t size = watermark - sp; - - if (WARN_ON(sp > watermark)) - return; - kasan_unpoison_shadow(sp, size); -} - void kasan_alloc_pages(struct page *page, unsigned int order) { u8 tag; |