diff options
Diffstat (limited to 'tools/perf/perf.h')
| -rw-r--r-- | tools/perf/perf.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 27887c916439..53bb9550def9 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -1,7 +1,13 @@ #ifndef _PERF_PERF_H #define _PERF_PERF_H -#if defined(__x86_64__) || defined(__i386__) +#if defined(__i386__) +#include "../../arch/x86/include/asm/unistd.h" +#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") +#define cpu_relax() asm volatile("rep; nop" ::: "memory"); +#endif + +#if defined(__x86_64__) #include "../../arch/x86/include/asm/unistd.h" #define rmb() asm volatile("lfence" ::: "memory") #define cpu_relax() asm volatile("rep; nop" ::: "memory"); |