diff options
| author | John Garry <john.garry@huawei.com> | 2016-09-06 23:36:11 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-09-14 12:54:17 -0400 |
| commit | e6c346f303d41b8799ea224d0faf1b2caa1c98db (patch) | |
| tree | 5ab81caef92f48c4960acefc2e66605b2e05eab4 /drivers/scsi/esp_scsi.h | |
| parent | c4a11827b760ef8dcda26b5731d072b1d8fb7c81 (diff) | |
scsi: hisi_sas: save completion queue read pointer
Optimise by saving an avoidable read in the cq interrupt. The queue
read pointer will only be updated by software, so don't bother
re-reading what was already written in the previous interrupt.
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 'drivers/scsi/esp_scsi.h')
0 files changed, 0 insertions, 0 deletions