From fb3269baf4ecc2ce6d17d4eb537080035bdf6d5b Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Thu, 17 Dec 2015 14:57:06 -0500 Subject: qla2xxx: Add selective command queuing queue work element to specific process lessen cache miss Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Nicholas Bellinger --- drivers/scsi/qla2xxx/qla_target.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'drivers/scsi/qla2xxx/qla_target.c') diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 9a4aed0e8241..d3cd271eb127 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3982,13 +3982,24 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; + cmd->se_cmd.cpuid = -1; spin_lock(&vha->cmd_list_lock); list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list); spin_unlock(&vha->cmd_list_lock); INIT_WORK(&cmd->work, qlt_do_work); - queue_work(qla_tgt_wq, &cmd->work); + if (ha->msix_count) { + cmd->se_cmd.cpuid = ha->tgt.rspq_vector_cpuid; + if (cmd->atio.u.isp24.fcp_cmnd.rddata) + queue_work_on(smp_processor_id(), qla_tgt_wq, + &cmd->work); + else + queue_work_on(cmd->se_cmd.cpuid, qla_tgt_wq, + &cmd->work); + } else { + queue_work(qla_tgt_wq, &cmd->work); + } return 0; } -- cgit