| commit | 24113d4878439baf1f23c1a33dfcc340fba66e97 | [log] [tgz] |
|---|---|---|
| author | Mikulas Patocka <mpatocka@redhat.com> | Tue Nov 06 22:34:59 2018 +0100 |
| committer | Mike Snitzer <snitzer@redhat.com> | Tue Dec 18 09:02:25 2018 -0500 |
| tree | 8a5111ada71d026b290b7c009e79b28c99fbcdf5 | |
| parent | cd19181bf9ad4b7f40f2a4e0355d052109c76529 [diff] |
dm: avoid indirect call in __dm_make_request Indirect calls are inefficient because of retpolines that are used for spectre workaround. This patch replaces an indirect call with a condition (that can be predicted by the branch predictor). Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>