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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: 49af9e93ad ('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>
This commit is contained in:
Ben Hutchings 2014-02-06 01:00:35 +00:00 committed by Arnaldo Carvalho de Melo
parent 88fee52e58
commit 79d26a6a19
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-trace.c
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@ -37,6 +37,10 @@
# define MADV_UNMERGEABLE 13
#endif
#ifndef EFD_SEMAPHORE
# define EFD_SEMAPHORE 1
#endif
struct tp_field {
int offset;
union {