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| author |   James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-06-19 08:20:55 +1000 |
| commit | d905163c5b23f6d8511971e06081a1b525e8a0bd (patch) | |
| tree | f76918c1be802ec068d37763466f5518efdb690e /arch/x86/include/asm/string_32.h | |
| parent | Add audit messages on type boundary violations (diff) | |
| parent | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (diff) | |
| download | linux-dev-d905163c5b23f6d8511971e06081a1b525e8a0bd.tar.xz linux-dev-d905163c5b23f6d8511971e06081a1b525e8a0bd.zip | |
Merge branch 'master' into next
Diffstat (limited to 'arch/x86/include/asm/string_32.h')
| -rw-r--r-- | arch/x86/include/asm/string_32.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h index 0e0e3ba827f7..c86f452256de 100644 --- a/arch/x86/include/asm/string_32.h +++ b/arch/x86/include/asm/string_32.h @@ -177,10 +177,18 @@ static inline void *__memcpy3d(void *to, const void *from, size_t len) * No 3D Now! */ +#ifndef CONFIG_KMEMCHECK #define memcpy(t, f, n) \ (__builtin_constant_p((n)) \ ? __constant_memcpy((t), (f), (n)) \ : __memcpy((t), (f), (n))) +#else +/* + * kmemcheck becomes very happy if we use the REP instructions unconditionally, + * because it means that we know both memory operands in advance. + */ +#define memcpy(t, f, n) __memcpy((t), (f), (n)) +#endif #endif |