[tip:perf/core] perf tools: Add ia64 support for tools/perf/

[tip-bot for Luck, Tony]

Commit-ID:  11ada26c78febe4662a8e848f3bff74e3200c920
Gitweb:     http://git.kernel.org/tip/11ada26c78febe4662a8e848f3bff74e3200c920
Author:     Luck, Tony <tony.luck@xxxxxxxxx>
AuthorDate: Tue, 17 Nov 2009 09:05:56 -0800
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 19 Nov 2009 06:03:33 +0100

perf tools: Add ia64 support for tools/perf/

Compiler on ia64 rejects the "-m64" option.
Add arch specific pieces to perf.h

Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <4b02d7f43514327a@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 tools/perf/Makefile |    8 +++++---
 tools/perf/perf.h   |    6 ++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 5d1a8b0..3f0666a 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -166,10 +166,12 @@ ifdef NO_64BIT
   MBITS := -m32
 else
   #
-  # If we're on a 64-bit kernel, use -m64:
+  # If we're on a 64-bit kernel (except ia64), use -m64:
   #
-  ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
-    MBITS := -m64
+  ifneq ($(uname_M),ia64)
+    ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
+      MBITS := -m64
+    endif
   endif
 endif
 
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 216bdb2..454d5d5 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -53,6 +53,12 @@
 #define cpu_relax()	asm volatile("" ::: "memory")
 #endif
 
+#ifdef __ia64__
+#include "../../arch/ia64/include/asm/unistd.h"
+#define rmb()		asm volatile ("mf" ::: "memory")
+#define cpu_relax()	asm volatile ("hint @pause" ::: "memory")
+#endif
+
 #include <time.h>
 #include <unistd.h>
 #include <sys/types.h>
--
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