Commit-ID:  79d26a6a19ace19faabf8d8d27d3430be2e26d34
Gitweb:     http://git.kernel.org/tip/79d26a6a19ace19faabf8d8d27d3430be2e26d34
Author:     Ben Hutchings <[email protected]>
AuthorDate: Thu, 6 Feb 2014 01:00:35 +0000
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Mon, 10 Feb 2014 11:34:31 -0300

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.

Signed-off-by: Ben Hutchings <[email protected]>
Fixes: 49af9e93adfa ('perf trace: Beautify eventfd2 'flags' arg')
Cc: <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 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 896f270..619d11c 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -37,6 +37,10 @@
 # define MADV_UNMERGEABLE      13
 #endif
 
+#ifndef EFD_SEMAPHORE
+# define EFD_SEMAPHORE         1
+#endif
+
 struct tp_field {
        int offset;
        union {
--
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