Commit-ID: e2736219e6ca3117e10651e215b96d66775220da
Gitweb: https://git.kernel.org/tip/e2736219e6ca3117e10651e215b96d66775220da
Author: John Keeping <john@xxxxxxxxxxxx>
AuthorDate: Thu, 15 Aug 2019 11:01:46 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 16 Aug 2019 12:30:14 -0300
perf unwind: Remove unnecessary test
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@xxxxxxxxxxxx>
Reviewed-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: john keeping <john@xxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190815100146.28842-3-john@xxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/unwind-libunwind.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index b843f9d0a9ea..6499b22b158b 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -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);
}
|