Export an inline_memcpy() API. Useful when the memcpy size is unknown but the caller cannot afford the cost of a function call. Useful for very frequent memcpy callers.
Signed-off-by: Mathieu Desnoyers <[email protected]> --- arch/x86/include/asm/string_32.h | 7 +++++++ arch/x86/include/asm/string_64.h | 7 +++++++ 2 files changed, 14 insertions(+) Index: linux.trees.git/arch/x86/include/asm/string_32.h =================================================================== --- linux.trees.git.orig/arch/x86/include/asm/string_32.h 2010-06-21 17:50:21.000000000 -0400 +++ linux.trees.git/arch/x86/include/asm/string_32.h 2010-06-21 17:56:49.000000000 -0400 @@ -44,6 +44,13 @@ static __always_inline void *__memcpy(vo return to; } +#define __HAVE_ARCH_INLINE_MEMCPY +static __always_inline void *inline_memcpy(void *to, const void *from, + size_t n) +{ + return __memcpy(to, from, n); +} + /* * This looks ugly, but the compiler can optimize it totally, * as the count is constant. Index: linux.trees.git/arch/x86/include/asm/string_64.h =================================================================== --- linux.trees.git.orig/arch/x86/include/asm/string_64.h 2010-06-21 17:50:21.000000000 -0400 +++ linux.trees.git/arch/x86/include/asm/string_64.h 2010-06-21 17:57:13.000000000 -0400 @@ -23,6 +23,13 @@ static __always_inline void *__inline_me return to; } +#define __HAVE_ARCH_INLINE_MEMCPY +static __always_inline void *inline_memcpy(void *to, const void *from, + size_t n) +{ + return __inline_memcpy(to, from, n); +} + /* Even with __builtin_ the compiler may decide to use the out of line function. */ _______________________________________________ ltt-dev mailing list [email protected] http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
