Commit d68b850e authored Dec 04, 2017 by Quinn Tran Committed by Martin K. Petersen Dec 07, 2017

scsi: qla2xxx: Skip IRQ affinity for Target QPairs



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: 09620eeb ("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>

parent a01c77d2

drivers/scsi/qla2xxx/qla_os.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -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 = {