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Revert "perf map: Fix dso->nsinfo refcounting"

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commit 9bac1bd6e6 upstream.

This makes 'perf top' abort in some cases, and the right fix will
involve surgery that is too much to do at this stage, so revert for now
and fix it in the next merge window.

This reverts commit 2d6b74baa7.

Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnaldo Carvalho de Melo 2021-07-30 18:26:22 -03:00 • committed by Greg Kroah-Hartman
commit 2ca5ec188b
1 changed files with 0 additions and 2 deletions
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2
tools/perf/util/map.c
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@ -192,8 +192,6 @@ struct map *map__new(struct machine *machine, u64 start, u64 len,
if (!(prot & PROT_EXEC))
dso__set_loaded(dso);
}
nsinfo__put(dso->nsinfo);
dso->nsinfo = nsi;
dso__put(dso);
}