diff options
Diffstat (limited to 'meta/recipes-kernel/sysprof/files/0001-Forward-port-mips-arm-memory-barrier-patches.patch')
| -rw-r--r-- | meta/recipes-kernel/sysprof/files/0001-Forward-port-mips-arm-memory-barrier-patches.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta/recipes-kernel/sysprof/files/0001-Forward-port-mips-arm-memory-barrier-patches.patch b/meta/recipes-kernel/sysprof/files/0001-Forward-port-mips-arm-memory-barrier-patches.patch new file mode 100644 index 0000000000..92e804f98d --- /dev/null +++ b/meta/recipes-kernel/sysprof/files/0001-Forward-port-mips-arm-memory-barrier-patches.patch @@ -0,0 +1,38 @@ +From a2d385e504323641b1127821833c61e77301c90b Mon Sep 17 00:00:00 2001 +From: Jussi Kukkonen <jussi.kukkonen@intel.com> +Date: Sat, 11 Jun 2016 22:45:37 +0300 +Subject: [PATCH] Forward port mips & arm memory barrier patches + +Upstream-Status: Pending +Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com> +--- + lib/util/util.h | 15 +++++++++++++++ + 1 file changed, 15 insertions(+) + +diff --git a/lib/util/util.h b/lib/util/util.h +index 591722d..0768056 100644 +--- a/lib/util/util.h ++++ b/lib/util/util.h +@@ -29,4 +29,19 @@ + #define read_barrier() 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 read_barrier() ((void(*)(void))0xffff0fa0)() ++#endif ++ ++#ifdef __mips__ ++#define read_barrier() asm volatile(".set mips2\n\t" \ ++ "sync\n\t" \ ++ ".set mips0" ::: "memory") ++#endif ++ ++ + #endif /* SP_UTIL_H */ +-- +2.1.4 + |