1 files changed, 21 insertions, 0 deletions

diff --git a/meta/recipes-kernel/sysprof/files/rmb-arm.patch b/meta/recipes-kernel/sysprof/files/rmb-arm.patch
new file mode 100644
index 0000000000..c53ac6427c
--- /dev/null
+++ b/meta/recipes-kernel/sysprof/files/rmb-arm.patch
@@ -0,0 +1,21 @@
+
+Upstream-Status: Pending
+
+Index: git/util.h
+===================================================================
+--- git.orig/util.h     2010-12-07 22:41:57.156243001 -0600
++++ git/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