diff options
| author | Ben Hutchings <ben@decadent.org.uk> | 2014-02-06 01:00:35 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-06 22:06:27 -0800 |
| commit | af20781fceacf729078619c99381e5fa4f98d2d1 (patch) | |
| tree | 1645f4ba408942a3e16c08806b53b374ae19d112 | |
| parent | af56f133b3f16ccf18c20a706f0e7bcdb5117b8e (diff) | |
| download | lwn-af20781fceacf729078619c99381e5fa4f98d2d1.tar.gz lwn-af20781fceacf729078619c99381e5fa4f98d2d1.zip | |
perf trace: Add fallback definition of EFD_SEMAPHORE
commit 79d26a6a19ace19faabf8d8d27d3430be2e26d34 upstream.
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>
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | tools/perf/builtin-trace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 8f3d09fb3d2e..aaeee081a70d 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 { |