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Date: Wed, 8 Apr 2015 11:23:21 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Ingo Molnar <mingo@...nel.org> Cc: linux-kernel@...r.kernel.org, He Kuang <hekuang@...wei.com>, Jiri Olsa <jolsa@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Wang Nan <wangnan0@...wei.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: [PATCH 01/19] perf evlist: Fix inverted logic in perf_mmap__empty From: He Kuang <hekuang@...wei.com> perf_evlist__mmap_consume() uses perf_mmap__empty() to judge whether perf_mmap is empty and can be released. But the result is inverted so fix it. Signed-off-by: He Kuang <hekuang@...wei.com> Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> Cc: Wang Nan <wangnan0@...wei.com> Link: http://lkml.kernel.org/r/1428399071-7141-1-git-send-email-hekuang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/util/evlist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 82bf224bbee9..76ef7ee62640 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -695,7 +695,7 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) static bool perf_mmap__empty(struct perf_mmap *md) { - return perf_mmap__read_head(md) != md->prev; + return perf_mmap__read_head(md) == md->prev; } static void perf_evlist__mmap_get(struct perf_evlist *evlist, int idx) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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