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perf unwind: Remove unnecessary test

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If dwarf_callchain_users is false, then unwind__prepare_access() will
not set unwind_libunwind_ops so the remaining test here is sufficient.

Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: john keeping <john@metanate.com>
Link: http://lkml.kernel.org/r/20190815100146.28842-3-john@metanate.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
John Keeping 2019-08-15 11:01:46 +01:00 committed by Arnaldo Carvalho de Melo
parent e8ba2906f6
commit e2736219e6
1 changed files with 0 additions and 6 deletions
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6
tools/perf/util/unwind-libunwind.c
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@ -69,18 +69,12 @@ out_register:
void unwind__flush_access(struct map_groups *mg)
{
if (!dwarf_callchain_users)
return;
if (mg->unwind_libunwind_ops)
mg->unwind_libunwind_ops->flush_access(mg);
}
void unwind__finish_access(struct map_groups *mg)
{
if (!dwarf_callchain_users)
return;
if (mg->unwind_libunwind_ops)
mg->unwind_libunwind_ops->finish_access(mg);
}