diff options
| author | Quinn Tran <quinn.tran@cavium.com> | 2018-08-31 11:24:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-21 09:24:05 +0100 |
| commit | 89fdc7f8646eba683709c3ecd1b7fa2d60e3f06a (patch) | |
| tree | c88b9a90333a2e954f4dea4ebd16918622c848e2 /drivers/scsi/qla2xxx | |
| parent | c60d5af75baaa459aa3619a0487637315de4f83c (diff) | |
scsi: qla2xxx: Fix process response queue for ISP26XX and above
commit b86ac8fd4b2f6ec2f9ca9194c56eac12d620096f upstream.
This patch improves performance for 16G and above adapter by removing
additional call to process_response_queue().
[mkp: typo]
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 17 |
2 files changed, 0 insertions, 19 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 0e19f6bc24ff..de40202b9ac7 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -7591,7 +7591,6 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) } icb->firmware_options_2 &= cpu_to_le32( ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); - vha->flags.process_response_queue = 0; if (ha->zio_mode != QLA_ZIO_DISABLED) { ha->zio_mode = QLA_ZIO_MODE_6; @@ -7603,7 +7602,6 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) icb->firmware_options_2 |= cpu_to_le32( (uint32_t)ha->zio_mode); icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); - vha->flags.process_response_queue = 1; } /* enable RIDA Format2 */ diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 8d579bf0fc81..85cb4e30f742 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -1524,12 +1524,6 @@ qla24xx_start_scsi(srb_t *sp) /* Set chip new ring index. */ WRT_REG_DWORD(req->req_q_in, req->ring_index); - RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); - - /* Manage unprocessed RIO/ZIO commands in response queue. */ - if (vha->flags.process_response_queue && - rsp->ring_ptr->signature != RESPONSE_PROCESSED) - qla24xx_process_response_queue(vha, rsp); spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; @@ -1723,12 +1717,6 @@ qla24xx_dif_start_scsi(srb_t *sp) /* Set chip new ring index. */ WRT_REG_DWORD(req->req_q_in, req->ring_index); - RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); - - /* Manage unprocessed RIO/ZIO commands in response queue. */ - if (vha->flags.process_response_queue && - rsp->ring_ptr->signature != RESPONSE_PROCESSED) - qla24xx_process_response_queue(vha, rsp); spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -1878,11 +1866,6 @@ qla2xxx_start_scsi_mq(srb_t *sp) /* Set chip new ring index. */ WRT_REG_DWORD(req->req_q_in, req->ring_index); - /* Manage unprocessed RIO/ZIO commands in response queue. */ - if (vha->flags.process_response_queue && - rsp->ring_ptr->signature != RESPONSE_PROCESSED) - qla24xx_process_response_queue(vha, rsp); - spin_unlock_irqrestore(&qpair->qp_lock, flags); return QLA_SUCCESS; |