diff options
Diffstat (limited to 'include/asm-x86_64/processor.h')
| -rw-r--r-- | include/asm-x86_64/processor.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 85549e656eeb..a8321999448f 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -398,7 +398,7 @@ static inline void prefetch(void *x) #define ARCH_HAS_PREFETCHW 1 static inline void prefetchw(void *x) { - alternative_input(ASM_NOP5, + alternative_input("prefetcht0 (%1)", "prefetchw (%1)", X86_FEATURE_3DNOW, "r" (x)); @@ -437,6 +437,11 @@ static inline void prefetchw(void *x) outb((data), 0x23); \ } while (0) +static inline void serialize_cpu(void) +{ + __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx"); +} + static inline void __monitor(const void *eax, unsigned long ecx, unsigned long edx) { |