diff options
-rw-r--r-- | tools/perf/perf.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 75f941bfba9..6fb379bc1d1 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -65,9 +65,7 @@ * Use the __kuser_memory_barrier helper in the CPU helper page. See * arch/arm/kernel/entry-armv.S in the kernel source for details. */ -#define rmb() asm volatile("mov r0, #0xffff0fff; mov lr, pc;" \ - "sub pc, r0, #95" ::: "r0", "lr", "cc", \ - "memory") +#define rmb() ((void(*)(void))0xffff0fa0)() #define cpu_relax() asm volatile("":::"memory") #endif |