diff options
Diffstat (limited to 'arch/x86/include/asm/vdso/processor.h')
| -rw-r--r-- | arch/x86/include/asm/vdso/processor.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/x86/include/asm/vdso/processor.h b/arch/x86/include/asm/vdso/processor.h index 57b1a7034c64..7000aeb59aa2 100644 --- a/arch/x86/include/asm/vdso/processor.h +++ b/arch/x86/include/asm/vdso/processor.h @@ -5,19 +5,23 @@ #ifndef __ASM_VDSO_PROCESSOR_H #define __ASM_VDSO_PROCESSOR_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ -/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static __always_inline void rep_nop(void) +/* PAUSE is a good thing to insert into busy-wait loops. */ +static __always_inline void native_pause(void) { - asm volatile("rep; nop" ::: "memory"); + asm volatile("pause" ::: "memory"); } static __always_inline void cpu_relax(void) { - rep_nop(); + native_pause(); } -#endif /* __ASSEMBLY__ */ +struct getcpu_cache; + +notrace long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused); + +#endif /* __ASSEMBLER__ */ #endif /* __ASM_VDSO_PROCESSOR_H */ |