From fcd14b3203b538dca04a2b065c774c0b57863eec Mon Sep 17 00:00:00 2001
From: Michael Cree <mcree@orcon.net.nz>
Date: Mon, 26 Oct 2009 21:32:06 +1300
Subject: [PATCH] perf tools, Alpha: Add Alpha support to perf.h
For the perf tool the patch implements an Alpha specific section
in the perf.h header file.
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1256545926-6972-1-git-send-email-mcree@orcon.net.nz>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
tools/perf/perf.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 8cc4623afd6f..216bdb223f63 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -47,6 +47,12 @@
#define cpu_relax() asm volatile("":::"memory")
#endif
+#ifdef __alpha__
+#include "../../arch/alpha/include/asm/unistd.h"
+#define rmb() asm volatile("mb" ::: "memory")
+#define cpu_relax() asm volatile("" ::: "memory")
+#endif
+
#include <time.h>
#include <unistd.h>
#include <sys/types.h>