diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2022-10-18 15:00:03 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-10-18 15:00:03 +0200 |
| commit | a140a6a2d5ec0329ad05cd3532a91ad0ce58dceb (patch) | |
| tree | b2d44a1da423c53bd6c3ab3facd45ff5f2087ffd /include/asm-generic/cacheflush.h | |
| parent | 28743e25fa1c867675bd8ff976eb92d4251f13a1 (diff) | |
| parent | 9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff) | |
| download | linux-next-a140a6a2d5ec0329ad05cd3532a91ad0ce58dceb.tar.gz linux-next-a140a6a2d5ec0329ad05cd3532a91ad0ce58dceb.zip | |
Merge drm/drm-next into drm-misc-next
Let's kick-off this release cycle.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'include/asm-generic/cacheflush.h')
| -rw-r--r-- | include/asm-generic/cacheflush.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h index 4f07afacbc23..f46258d1a080 100644 --- a/include/asm-generic/cacheflush.h +++ b/include/asm-generic/cacheflush.h @@ -2,6 +2,8 @@ #ifndef _ASM_GENERIC_CACHEFLUSH_H #define _ASM_GENERIC_CACHEFLUSH_H +#include <linux/instrumented.h> + struct mm_struct; struct vm_area_struct; struct page; @@ -105,14 +107,22 @@ static inline void flush_cache_vunmap(unsigned long start, unsigned long end) #ifndef copy_to_user_page #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ + instrument_copy_to_user((void __user *)dst, src, len); \ memcpy(dst, src, len); \ flush_icache_user_page(vma, page, vaddr, len); \ } while (0) #endif + #ifndef copy_from_user_page -#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ - memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + do { \ + instrument_copy_from_user_before(dst, (void __user *)src, \ + len); \ + memcpy(dst, src, len); \ + instrument_copy_from_user_after(dst, (void __user *)src, len, \ + 0); \ + } while (0) #endif #endif /* _ASM_GENERIC_CACHEFLUSH_H */ |