sysprof: patch for ARM to implement rmb

2014-08-28 14:40:27 +02:00 · 2014-08-28 14:40:27 +02:00 · 3cc2b013d8
parent e0f08ba748
commit 3cc2b013d8
1 changed files with 16 additions and 0 deletions
--- a/srcpkgs/sysprof/patches/arm.patch
+++ b/srcpkgs/sysprof/patches/arm.patch
@ -0,0 +1,16 @@
+--- 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