| From 79d26a6a19ace19faabf8d8d27d3430be2e26d34 Mon Sep 17 00:00:00 2001 |
| From: Ben Hutchings <ben@decadent.org.uk> |
| Date: Thu, 6 Feb 2014 01:00:35 +0000 |
| Subject: perf trace: Add fallback definition of EFD_SEMAPHORE |
| |
| From: Ben Hutchings <ben@decadent.org.uk> |
| |
| 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> |
| |
| --- |
| tools/perf/builtin-trace.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- 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 { |
