Commit-ID: c1e028ef40b8d6943b767028ba17d4f2ba020edb
Gitweb: http://git.kernel.org/tip/c1e028ef40b8d6943b767028ba17d4f2ba020edb
Author: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxx>
AuthorDate: Tue, 12 Oct 2010 19:33:33 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Tue, 12 Oct 2010 13:34:37 +0200
perf, MIPS: Support cross compiling of tools/perf for MIPS
Changes:
v4: Fix the cosmetic issue of redundant dot-ops
v3: Change rmb() to use SYNC
v2: Include mips unistd.h and define rmb()/cpu_relax() in tools/perf/perf.h
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxx>
Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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 ef7aa0a..95aaf56 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -73,6 +73,18 @@ void get_term_dimensions(struct winsize *ws);
#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>
--
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