AuxXxilium/linux_dsm_epyc7002
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317aeb83c9
linux_dsm_epyc7002/drivers/scsi
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Dick Kennedy 317aeb83c9 scsi: lpfc: Add blk_io_poll support for latency improvment 
Although the existing implementation is very good at high I/O load, on
tests involving light load, especially on only a few hardware queues,
latency was a little higher than it can be due to using workqueue
scheduling. Other tasks in the system can delay handling.

Change the lower level to use irq_poll by default which uses a softirq for
I/O completion. This gives better latency as variance in when the cq is
processed is reduced over the workqueue interface. However, as high load is
better served by not being in softirq when the CPU is loaded, work queues
are still used under high I/O load.

Link: https://lore.kernel.org/r/20200630215001.70793-13-jsmart2021@gmail.com
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-07-02 23:06:42 -04:00
..
aacraid scsi: aacraid: Fix an oops in error handling 2020-05-14 20:24:01 -04:00
aic7xxx treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
aic94xx scsi: libsas: Replace zero-length array with flexible-array 2020-05-11 22:26:32 -04:00
arcmsr SCSI misc on 20200402 2020-04-02 17:03:53 -07:00
arm scsi: cumana_2: Fix different dev_id between request_irq() and free_irq() 2020-06-26 22:24:44 -04:00
be2iscsi scsi: be2iscsi: Use scnprintf() for avoiding potential buffer overflow 2020-03-17 13:36:09 -04:00
bfa scsi: bfa: Make bfad_iocmd_ioc_get_stats() static 2020-05-11 22:22:07 -04:00
bnx2fc scsi: bnx2fc: Removal of unused variables 2020-06-26 22:29:42 -04:00
bnx2i treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
csiostor SCSI misc on 20200129 2020-01-29 18:16:16 -08:00
cxgbi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
cxlflash scsi: cxlflash: Remove an unnecessary NULL check 2020-06-09 21:57:27 -04:00
device_handler SCSI fixes on 20191101 2019-11-07 06:43:18 -07:00
dpt scsi: docs: convert dpti.txt to ReST 2020-03-11 23:07:59 -04:00
esas2r treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
fcoe scsi: fcoe: remove unneeded semicolon in fcoe.c 2020-04-22 00:07:40 -04:00
fnic scsi: fnic: Use true, false for fnic->internal_reset_inprogress 2020-05-07 22:03:07 -04:00
hisi_sas SCSI misc on 20200605 2020-06-05 15:11:50 -07:00
ibmvscsi scsi: Fix trivial spelling 2020-06-15 23:28:04 -04:00
ibmvscsi_tgt scsi: ibmvscsi_tgt: remove set but not used variables 'iue' and 'sd' 2019-12-19 22:08:54 -05:00
isci scsi: isci: Use true, false for bool variables 2020-04-24 18:21:15 -04:00
libfc SCSI misc on 20200410 2020-04-10 12:21:11 -07:00
libsas scsi: libsas: Add missing annotation for sas_ata_qc_issue() 2020-04-14 21:46:15 -04:00
lpfc scsi: lpfc: Add blk_io_poll support for latency improvment 2020-07-02 23:06:42 -04:00
megaraid scsi: megaraid_sas: Update driver version to 07.714.04.00-rc1 2020-05-11 23:06:24 -04:00
mpt3sas scsi: mpt3sas: Fix spelling mistake 2020-06-15 23:28:46 -04:00
mvsas scsi: mvsas: remove unused symbol 'mvs_th' 2020-04-17 17:29:03 -04:00
pcmcia scsi: docs: convert NinjaSCSI.txt to ReST 2020-03-11 23:08:01 -04:00
pm8001 scsi: pm80xx: Introduce read and write length for IOCTL payload structure 2020-03-17 13:57:19 -04:00
qedf Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
qedi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
qla2xxx scsi: qla2xxx: SAN congestion management implementation 2020-07-01 22:25:09 -04:00
qla4xxx treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
smartpqi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
snic scsi: snic: Make snic_io_exch_ver_cmpl_handler() return void 2020-04-24 18:21:15 -04:00
sym53c8xx_2 scsi: sym53c8xx: fix typos in comments 2019-12-19 22:08:54 -05:00
ufs scsi: ufs: ufs-exynos: Remove an unnecessary NULL check 2020-06-29 21:33:20 -04:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
3w-9xxx.c
3w-9xxx.h
3w-sas.c
3w-sas.h
3w-xxxx.c compat_ioctl: move more drivers to compat_ptr_ioctl 2019-10-23 17:23:44 +02:00
3w-xxxx.h
53c700_d.h_shipped
53c700.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
53c700.h
53c700.scr
a100u2w.c
a100u2w.h
a2091.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
a2091.h
a3000.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
a3000.h
a4000t.c
advansys.c scsi: advansys: Replace zero-length array with flexible-array member 2020-02-18 00:39:54 -05:00
aha152x.c scsi: docs: convert aha152x.txt to ReST 2020-03-11 23:07:58 -04:00
aha152x.h
aha1542.c
aha1542.h
aha1740.c scsi: aha1740: Fix an errro handling path in aha1740_probe() 2020-03-26 21:10:53 -04:00
aha1740.h
am53c974.c
atari_scsi.c scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE 2019-11-12 22:21:34 -05:00
atp870u.c scsi: core: Clean up SG_NONE 2019-11-12 22:21:35 -05:00
atp870u.h
BusLogic.c scsi: BusLogic: Remove conversion to bool in blogic_inquiry() 2020-04-24 18:21:14 -04:00
BusLogic.h
bvme6000_scsi.c
ch.c scsi: ch: remove ch_mutex() 2020-02-24 14:54:25 -05:00
constants.c scsi: core: Add DID_ALLOC_FAILURE and DID_MEDIUM_ERROR to hostbyte_table 2020-04-01 22:03:04 -04:00
dc395x.c scsi: dc395x: remove dc395x_bios_param 2020-03-26 22:51:18 -04:00
dc395x.h
dmx3191d.c
dpt_i2o.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
dpti.h scsi: docs: convert dpti.txt to ReST 2020-03-11 23:07:59 -04:00
esp_scsi.c scsi: esp_scsi: Add support for FSC chip 2019-12-19 22:08:51 -05:00
esp_scsi.h scsi: esp_scsi: Add support for FSC chip 2019-12-19 22:08:51 -05:00
fdomain_isa.c scsi: fdomain_isa: use CFG1_IRQ_MASK 2019-07-30 12:18:24 -04:00
fdomain_pci.c scsi: fdomain: Resurrect driver - PCI support 2019-06-18 19:46:18 -04:00
fdomain.c scsi: fdomain: use BSTAT_{MSG|CMD|IO} in fdomain_work() 2019-07-30 12:17:28 -04:00
fdomain.h scsi: fdomain: Add register definitions 2019-06-18 19:46:22 -04:00
FlashPoint.c
g_NCR5380.c scsi: docs: convert g_NCR5380.txt to ReST 2020-03-11 23:08:00 -04:00
gdth_ioctl.h
gdth_proc.c scsi: gdth: Use scnprintf() for avoiding potential buffer overflow 2020-03-17 13:36:10 -04:00
gdth_proc.h
gdth.c scsi: gdth: Make __gdth_execute static 2020-04-14 21:32:39 -04:00
gdth.h
gvp11.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
gvp11.h
hosts.c scsi: core: add scsi_host_busy_iter() 2020-02-28 20:54:52 -05:00
hpsa_cmd.h SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
hpsa.c scsi: hpsa: hpsa_ioctl(): Tidy up a bit 2020-06-04 10:15:32 -04:00
hpsa.h scsi: hpsa: correct device resets 2019-06-18 19:46:18 -04:00
hptiop.c
hptiop.h
imm.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
imm.h
initio.c scsi: initio: make initio_state_7() static 2019-12-19 22:08:54 -05:00
initio.h
ipr.c scsi: ipr: Remove NULL check before freeing function 2020-04-24 18:21:15 -04:00
ipr.h SCSI misc on 20200402 2020-04-02 17:03:53 -07:00
ips.c scsi: ips: make array 'options' static const, makes object smaller 2019-09-30 22:46:40 -04:00
ips.h
iscsi_boot_sysfs.c scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj 2020-06-02 21:23:47 -04:00
iscsi_tcp.c scsi: iscsi: Don't destroy session if there are outstanding connections 2020-01-15 22:48:34 -05:00
iscsi_tcp.h
jazz_esp.c
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
lasi700.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
libiscsi_tcp.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
libiscsi.c scsi: iscsi: Register sysfs for iscsi workqueue 2020-05-26 15:40:30 -04:00
mac53c94.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
mac53c94.h
mac_esp.c
mac_scsi.c scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE 2019-11-12 22:21:34 -05:00
Makefile scsi: remove pointless $(MODVERDIR)/$(obj)/53c700.ver 2019-07-17 22:39:27 +09:00
megaraid.c scsi: simplify scsi_partsize 2020-03-24 07:57:07 -06:00
megaraid.h
mesh.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
mesh.h
mvme16x_scsi.c
mvme147.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
mvme147.h
mvumi.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
mvumi.h scsi: Replace zero-length array with flexible-array member 2020-03-11 23:07:56 -04:00
myrb.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
myrb.h scsi: mylex: Use the correct style for SPDX License Identifier 2020-01-02 21:57:44 -05:00
myrs.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
myrs.h scsi: mylex: Use the correct style for SPDX License Identifier 2020-01-02 21:57:44 -05:00
ncr53c8xx.c scsi: docs: convert ncr53c8xx.txt to ReST 2020-03-11 23:08:01 -04:00
ncr53c8xx.h
NCR5380.c scsi: NCR5380: Add disconnect_mask module parameter 2019-11-19 21:37:34 -05:00
NCR5380.h Revert "scsi: ncr5380: Increase register polling limit" 2019-06-20 15:37:02 -04:00
nsp32_debug.c
nsp32_io.h
nsp32.c scsi: Fix various misspellings of "connect" 2019-10-24 21:22:32 -04:00
nsp32.h
pmcraid.c scsi: pmcraid: Replace dma_pool_malloc with dma_pool_zalloc 2020-04-24 18:21:15 -04:00
pmcraid.h scsi: Replace zero-length array with flexible-array member 2020-03-11 23:07:56 -04:00
ppa.c scsi: ppa: use sg helper to iterate over scatterlist 2019-06-20 15:21:33 -04:00
ppa.h
ps3rom.c
qla1280.c scsi: qla1280: make qla1280_firmware_mutex and qla1280_fw_tbl static 2020-04-14 21:42:10 -04:00
qla1280.h scsi: qla1280: Fix dma firmware download, if dma address is 64bit 2020-01-15 23:09:11 -05:00
qlogicfas408.c
qlogicfas408.h
qlogicfas.c
qlogicpti.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
qlogicpti.h
raid_class.c
script_asm.pl
scsi_common.c
scsi_debug.c scsi: scsi_debug: Parser tables and code interaction 2020-05-19 22:25:52 -04:00
scsi_debugfs.c scsi: scsi_debugfs: Use for_each_set_bit to simplify code 2019-07-30 12:42:55 -04:00
scsi_debugfs.h
scsi_devinfo.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
scsi_dh.c
scsi_error.c scsi: core: Fix incorrect usage of shost_for_each_device 2020-05-19 21:54:17 -04:00
scsi_ioctl.c scsi_ioctl.c: switch SCSI_IOCTL_GET_IDLUN to copy_to_user() 2020-04-25 18:06:39 -04:00
scsi_lib_dma.c
scsi_lib.c scsi: core: Fix formatting errors in scsi_lib.c 2020-06-19 23:06:43 -04:00
scsi_logging.c scsi: core: Log SCSI command age with errors 2019-09-30 23:07:16 -04:00
scsi_logging.h scsi: core: Fix a compiler warning triggered by the SCSI logging code 2019-12-19 22:08:54 -05:00
scsi_netlink.c
scsi_pm.c scsi: pm: Balance pm_only counter of request queue during system resume 2020-05-11 19:43:25 -04:00
scsi_priv.h scsi: core: Remove scsi_sdb_cache 2020-06-19 23:06:43 -04:00
scsi_proc.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
scsi_sas_internal.h
scsi_scan.c scsi: core: Remove cmd_list functionality 2020-02-28 20:54:55 -05:00
scsi_sysctl.c
scsi_sysfs.c scsi: core: Use scnprintf() for avoiding potential buffer overflow 2020-03-17 13:36:12 -04:00
scsi_trace.c scsi: scsi_trace: Use get_unaligned_be24() 2020-03-16 22:08:36 -04:00
scsi_transport_api.h
scsi_transport_fc.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
scsi_transport_iscsi.c scsi: iscsi: Fix deadlock on recovery path during GFP_IO reclaim 2020-05-26 21:20:24 -04:00
scsi_transport_sas.c scsi: scsi_transport_sas: Fix memory leak when removing devices 2019-11-21 21:12:39 -05:00
scsi_transport_spi.c
scsi_transport_srp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 502 2019-06-19 17:09:56 +02:00
scsi.c scsi: core: Remove scsi_sdb_cache 2020-06-19 23:06:43 -04:00
scsi.h
scsicam.c block: move struct partition out of genhd.h 2020-03-24 07:57:08 -06:00
sd_dif.c
sd_zbc.c for-5.8/block-2020-06-01 2020-06-02 15:29:19 -07:00
sd.c SCSI misc on 20200605 2020-06-05 15:11:50 -07:00
sd.h scsi: sd_zbc: emulate ZONE_APPEND commands 2020-05-12 20:36:28 -06:00
sense_codes.h
ses.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
sg.c scsi: sg: add sg_remove_request in sg_write 2020-04-14 21:15:53 -04:00
sgiwd93.c scsi: sgiwd93: Remove unneeded semicolon in sgiwd93.c 2020-04-24 18:21:29 -04:00
sim710.c
sni_53c710.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
sr_ioctl.c
sr_vendor.c scsi: sr: remove references to BLK_DEV_SR_VENDOR, leave it enabled 2020-02-24 14:59:01 -05:00
sr.c SCSI misc on 20200613 2020-06-13 13:17:49 -07:00
sr.h scsi: sr: get rid of sr global mutex 2020-02-24 15:01:57 -05:00
st_options.h
st.c scsi: st: Convert convert get_user_pages() --> pin_user_pages() 2020-06-09 21:57:26 -04:00
st.h
stex.c scsi: Replace zero-length array with flexible-array member 2020-03-11 23:07:56 -04:00
storvsc_drv.c scsi: storvsc: Fix spelling mistake 2020-06-26 22:49:55 -04:00
sun3_scsi_vme.c
sun3_scsi.c scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE 2019-11-12 22:21:34 -05:00
sun3x_esp.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
sun_esp.c
virtio_scsi.c scsi: core: remove .for_blk_mq 2020-02-10 22:46:55 -05:00
vmw_pvscsi.c scsi: vmw_pvscsi: Use true, false for adapter->use_msg 2020-05-07 22:03:54 -04:00
vmw_pvscsi.h
wd33c93.c scsi: wd33c93: Mark expected switch fall-through 2019-08-07 21:35:59 -04:00
wd33c93.h
wd719x.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
wd719x.h
xen-scsifront.c
zalon.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
zorro7xx.c
zorro_esp.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00