diff options
Diffstat (limited to 'meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch')
| -rw-r--r-- | meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch b/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch new file mode 100644 index 0000000000..195bfb296e --- /dev/null +++ b/meta/recipes-kernel/oprofile/oprofile/0001-Add-rmb-definition-for-AArch64-architecture.patch @@ -0,0 +1,31 @@ +From 27edaef9c6d66dfc324630ef40cb27e78031eeeb Mon Sep 17 00:00:00 2001 +From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> +Date: Tue, 15 Jan 2013 07:37:33 +0100 +Subject: [PATCH] Add rmb() definition for AArch64 architecture + +Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> + +Upstream-status: backport +--- + libperf_events/operf_utils.h | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/libperf_events/operf_utils.h b/libperf_events/operf_utils.h +index 815d51d..2df00b7 100644 +--- a/libperf_events/operf_utils.h ++++ b/libperf_events/operf_utils.h +@@ -148,6 +148,11 @@ void op_release_resources(void); + #define cpu_relax() asm volatile("":::"memory") + #endif + ++#ifdef __aarch64__ ++#define rmb() asm volatile("dmb ld" ::: "memory") ++#define cpu_relax() asm volatile("yield" ::: "memory") ++#endif ++ + #ifdef __mips__ + #include <asm/unistd.h> + #define rmb() asm volatile( \ +-- +1.8.0 + |