From: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
To: linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>,
David Daney <ddaney@caviumnetworks.com>,
a.p.zijlstra@chello.nl, paulus@samba.org,
Ingo Molnar <mingo@elte.hu>,
acme@redhat.com
Subject: [PATCH v3 resend] Perf-tool/MIPS: support cross compiling of tools/perf for MIPS
Date: Mon, 11 Oct 2010 21:38:02 +0800 [thread overview]
Message-ID: <4CB3133A.5060106@gmail.com> (raw)
(Resending this version of patch to append the changelogs.)
This version fixed the cosmetic issue pointed out by Ralf. If it looks ok,
Ralf, please help Ack it. Thanks!
Changes
--------
v3 - v2:
o Fix the cosmetic issue of redundant dot-ops
v2 - v1:
o Change rmb() to use SYNC
v1:
o Include mips unistd.h and define rmb()/cpu_relax() in tools/perf/perf.h
Signed-off-by: Deng-Cheng Zhu<dengcheng.zhu@gmail.com>
---
tools/perf/perf.h | 12 ++++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 6fb379b..cd05284 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -73,6 +73,18 @@
#define cpu_relax() asm volatile("":::"memory")
#endif
+#ifdef __mips__
+#include "../../arch/mips/include/asm/unistd.h"
+#define rmb() asm volatile( \
+ ".set mips2\n\t" \
+ "sync\n\t" \
+ ".set mips0" \
+ : /* no output */ \
+ : /* no input */ \
+ : "memory")
+#define cpu_relax() asm volatile("" ::: "memory")
+#endif
+
#include<time.h>
#include<unistd.h>
#include<sys/types.h>
reply other threads:[~2010-10-11 13:41 UTC|newest]
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