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authorIngo Molnar <mingo@elte.hu>2009-07-01 12:37:06 +0200
committerIngo Molnar <mingo@elte.hu>2009-07-01 12:49:48 +0200
commitf37a291c527c954df4da568de718ebb36b8261c0 (patch)
treebb4863fbd185fbfef5f7d28cb4001d59d4123a2d /tools/perf/perf.h
parent88a69dfbc6ab1e3b51bba8c9103055e21089ebb9 (diff)
downloadlinux-f37a291c527c954df4da568de718ebb36b8261c0.tar.gz
perf_counter tools: Add more warnings and fix/annotate them
Enable -Wextra. This found a few real bugs plus a number
of signed/unsigned type mismatches/uncleanlinesses. It
also required a few annotations

All things considered it was still worth it so lets try with
this enabled for now.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/perf.h')
-rw-r--r--tools/perf/perf.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index ce394192c85a..27887c916439 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -52,6 +52,8 @@ static inline unsigned long long rdclock(void)
 #define __user
 #define asmlinkage
 
+#define __used		__attribute__((__unused__))
+
 #define unlikely(x)	__builtin_expect(!!(x), 0)
 #define min(x, y) ({				\
 	typeof(x) _min1 = (x);			\