system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-09 04:43:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

scsi: qla2xxx: Skip IRQ affinity for Target QPairs

Browse source 
Fix co-existence between Block MQ and Target Mode. Block MQ and
initiator mode requires midlayer queue mapping to check for IRQ to be
affinitized. For target mode, it's not the case.

Fixes: 09620eeb62 ("scsi: qla2xxx: Add debug knob for user control workload")
Cc: <stable@vger.kernel.org> # 4.12+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2017-12-04 14:44:59 -08:00 committed by Martin K. Petersen
parent a01c77d2cb
commit d68b850e1b
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/scsi/qla2xxx/qla_os.c
View file

@ -6609,9 +6609,14 @@ qla83xx_disable_laser(scsi_qla_host_t *vha)
static int qla2xxx_map_queues(struct Scsi_Host *shost)
{
int rc;
scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
return blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
if (USER_CTRL_IRQ(vha->hw))
rc = blk_mq_map_queues(&shost->tag_set);
else
rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
return rc;
}
static const struct pci_error_handlers qla2xxx_err_handler = {