perf trace: Add fallback definition of EFD_SEMAPHORE

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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: 49af9e93ad ('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]>

This commit is contained in:

Ben Hutchings authored and

Arnaldo Carvalho de Melo committed 2014-02-10 11:34:31 -03:00

1 parent 88fee52e58

commit 79d26a6a19

1 file changed

									
										tools/perf/builtin-trace.c
									
		+4
		
												View File
												
				@@ -37,6 +37,10 @@

				# define MADV_UNMERGEABLE	13

				#endif

				#ifndef EFD_SEMAPHORE

				# define EFD_SEMAPHORE		1

				#endif

				struct tp_field {

					int offset;

					union {