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| author | John Garry <john.garry@huawei.com> | 2016-09-06 23:36:12 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-09-14 12:54:17 -0400 |
| commit | 4fde02ad66dc9ceb0b55daca21ef33b43df30ded (patch) | |
| tree | 4c707c92f64c6c18bfaa4dd62c6e24f70fc0abbd /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | e6c346f303d41b8799ea224d0faf1b2caa1c98db (diff) | |
scsi: hisi_sas: save delivery queue write pointer
Optimise by saving an avoidable read in the get_free_slot function. The
delivery queue write pointer will only be updated by software, so don't
bother re-reading what was already written in the previous call to
start_delivery function.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions