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Date:	Thu, 06 Feb 2014 01:00:35 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: [PATCH 2/3] perf trace: Add fallback definition of EFD_SEMAPHORE

glibc 2.17 is missing this on sparc, despite the fact that it's
not architecture-specific.

Fixes: 49af9e93adfa ('perf trace: Beautify eventfd2 'flags' arg')
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Cc: <stable@...r.kernel.org>
---
 tools/perf/builtin-trace.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index c9671bd..5c32dcf 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -35,6 +35,10 @@
 # define MADV_UNMERGEABLE	13
 #endif
 
+#ifndef EFD_SEMAPHORE
+# define EFD_SEMAPHORE		1
+#endif
+
 struct tp_field {
 	int offset;
 	union {


-- 
Ben Hutchings
It is a miracle that curiosity survives formal education. - Albert Einstein

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