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authorBen Hutchings <ben@decadent.org.uk>2014-02-06 01:00:35 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-02-10 11:34:31 -0300
commit79d26a6a19ace19faabf8d8d27d3430be2e26d34 (patch)
tree0d71ec131ddbd0b7ca897aab71c57144bf2d8b1b
parent88fee52e58ca14d8465b614774ed0bf08e1a7790 (diff)
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 <ben@decadent.org.uk> Fixes: 49af9e93adfa ('perf trace: Beautify eventfd2 'flags' arg') Cc: <stable@vger.kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1391648435.3003.100.camel@deadeye.wl.decadent.org.uk Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/builtin-trace.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 896f27047ed6..619d11c47a91 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 {