blob: a2385cd2b2162d71a357ff2ccdc1a850ced409ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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
|
