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linux/drivers/scsi/qla2xxx
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Tony Battersby 53661ded24 scsi: qla2xxx: Disable ATIO interrupt coalesce for quad port ISP27XX 
This partially reverts commit d2b292c3f6 ("scsi: qla2xxx: Enable ATIO
interrupt handshake for ISP27XX")

For some workloads where the host sends a batch of commands and then
pauses, ATIO interrupt coalesce can cause some incoming ATIO entries to be
ignored for extended periods of time, resulting in slow performance,
timeouts, and aborted commands.

Disable interrupt coalesce and re-enable the dedicated ATIO MSI-X
interrupt.

Link: https://lore.kernel.org/r/97dcf365-89ff-014d-a3e5-1404c6af511c@cybernetics.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-11 21:57:15 -04:00
..
Kconfig
Makefile scsi: qla2xxx: edif: Add start + stop bsgs 2021-07-27 00:06:42 -04:00
qla_attr.c scsi: qla2xxx: Add debug prints in the device remove path 2022-06-16 21:59:53 -04:00
qla_bsg.c scsi: qla2xxx: Fix sparse warning for dport_data 2022-07-18 22:33:04 -04:00
qla_bsg.h scsi: qla2xxx: Add a new v2 dport diagnostic feature 2022-06-16 21:59:52 -04:00
qla_dbg.c scsi: qla2xxx: Format log strings only if needed 2021-12-06 22:38:17 -05:00
qla_dbg.h scsi: qla2xxx: edif: Add bsg interface to read doorbell events 2022-06-07 21:50:10 -04:00
qla_def.h scsi: qla2xxx: Update manufacturer details 2022-07-18 22:33:04 -04:00
qla_devtbl.h
qla_dfs.c scsi: qla2xxx: Remove unnecessary NULL check 2021-01-22 22:04:16 -05:00
qla_dsd.h
qla_edif_bsg.h scsi: qla2xxx: edif: Synchronize NPIV deletion with authentication application 2022-06-07 21:50:10 -04:00
qla_edif.c scsi: qla2xxx: edif: Reduce N2N thrashing at app_start time 2022-06-10 13:04:04 -04:00
qla_edif.h scsi: qla2xxx: edif: Fix session thrash 2022-06-10 13:04:04 -04:00
qla_fw.h scsi: qla2xxx: edif: Send LOGO for unexpected IKE message 2022-06-10 13:04:03 -04:00
qla_gbl.h scsi: qla2xxx: Fix discovery issues in FC-AL topology 2022-07-18 22:33:03 -04:00
qla_gs.c scsi: qla2xxx: Update manufacturer details 2022-07-18 22:33:04 -04:00
qla_init.c scsi: qla2xxx: Fix discovery issues in FC-AL topology 2022-07-18 22:33:03 -04:00
qla_inline.h scsi: qla2xxx: Implement ref count for SRB 2022-01-24 23:57:30 -05:00
qla_iocb.c scsi: qla2xxx: edif: Fix no logout on delete for N2N 2022-06-10 13:04:04 -04:00
qla_isr.c scsi: qla2xxx: edif: Fix dropped IKE message 2022-07-18 22:33:03 -04:00
qla_mbx.c scsi: qla2xxx: Fix discovery issues in FC-AL topology 2022-07-18 22:33:03 -04:00
qla_mid.c scsi: qla2xxx: edif: Synchronize NPIV deletion with authentication application 2022-06-07 21:50:10 -04:00
qla_mr.c scsi: qla2xxx: Implement ref count for SRB 2022-01-24 23:57:30 -05:00
qla_mr.h scsi: qla2xxx: Suppress Coverity complaints about dseg_r* 2021-03-24 21:47:20 -04:00
qla_nvme.c scsi: Revert "scsi: qla2xxx: Fix disk failure to rediscover" 2022-07-18 22:33:03 -04:00
qla_nvme.h scsi: qla2xxx: Increase max limit of ql2xnvme_queues 2022-03-15 00:29:15 -04:00
qla_nx2.c scsi: qla2xxx: Use named initializers for q_dev_state 2022-02-22 21:11:07 -05:00
qla_nx2.h
qla_nx.c scsi: qla2xxx: Use named initializers for q_dev_state 2022-02-22 21:11:07 -05:00
qla_nx.h scsi: qla2xxx: Use named initializers for q_dev_state 2022-02-22 21:11:07 -05:00
qla_os.c scsi: qla2xxx: Fix response queue handler reading stale packets 2022-07-18 22:33:03 -04:00
qla_settings.h
qla_sup.c scsi: qla2xxx: Add devids and conditionals for 28xx 2022-01-24 23:57:32 -05:00
qla_target.c scsi: qla2xxx: Disable ATIO interrupt coalesce for quad port ISP27XX 2022-08-11 21:57:15 -04:00
qla_target.h scsi: qla2xxx: Remove free_sg command flag 2022-04-25 22:26:15 -04:00
qla_tmpl.c scsi: qla2xxx: Fix premature hw access after PCI error 2022-01-24 23:57:30 -05:00
qla_tmpl.h scsi: qla2xxx: Fix crash during driver load on big endian machines 2020-12-09 11:34:17 -05:00
qla_version.h scsi: qla2xxx: Update version to 10.02.07.800-k 2022-07-18 22:33:04 -04:00
tcm_qla2xxx.c scsi: target: qla2xxx: Replace enable attr with ops.enable 2021-10-04 23:27:38 -04:00
tcm_qla2xxx.h