16 lines
467 B
Diff
16 lines
467 B
Diff
--- util.h 2010-12-07 22:41:57.156243001 -0600
|
|
+++ util.h 2010-12-07 22:43:47.616243002 -0600
|
|
@@ -37,4 +37,13 @@
|
|
#define cpu_relax() asm volatile("" ::: "memory");
|
|
#endif
|
|
|
|
+#ifdef __arm__
|
|
+/*
|
|
+ * 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() ((void(*)(void))0xffff0fa0)()
|
|
+#define cpu_relax() asm volatile("":::"memory")
|
|
+#endif
|
|
+
|
|
#endif
|