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 75f941bfba9e..6fb379bc1d1f 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h | |||
@@ -65,9 +65,7 @@ | |||
65 | * Use the __kuser_memory_barrier helper in the CPU helper page. See | 65 | * Use the __kuser_memory_barrier helper in the CPU helper page. See |
66 | * arch/arm/kernel/entry-armv.S in the kernel source for details. | 66 | * arch/arm/kernel/entry-armv.S in the kernel source for details. |
67 | */ | 67 | */ |
68 | #define rmb() asm volatile("mov r0, #0xffff0fff; mov lr, pc;" \ | 68 | #define rmb() ((void(*)(void))0xffff0fa0)() |
69 | "sub pc, r0, #95" ::: "r0", "lr", "cc", \ | ||
70 | "memory") | ||
71 | #define cpu_relax() asm volatile("":::"memory") | 69 | #define cpu_relax() asm volatile("":::"memory") |
72 | #endif | 70 | #endif |
73 | 71 | ||