Tyrel Datwyler b36522150e scsi: ibmvscsi: Fix WARN_ON during event pool release ... While removing an ibmvscsi client adapter a WARN_ON like the following is seen in the kernel log: drmgr: drmgr: -r -c slot -s U9080.M9S.783AEC8-V11-C11 -w 5 -d 1 WARNING: CPU: 9 PID: 24062 at ../kernel/dma/mapping.c:311 dma_free_attrs+0x78/0x110 Supported: No, Unreleased kernel CPU: 9 PID: 24062 Comm: drmgr Kdump: loaded Tainted: G X 5.3.18-12-default NIP: c0000000001fa758 LR: c0000000001fa744 CTR: c0000000001fa6e0 REGS: c0000002173375d0 TRAP: 0700 Tainted: G X (5.3.18-12-default) MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 28088282 XER: 20000000 CFAR: c0000000001fbf0c IRQMASK: 1 GPR00: c0000000001fa744 c000000217337860 c00000000161ab00 0000000000000000 GPR04: 0000000000000000 c000011e12250000 0000000018010000 0000000000000000 GPR08: 0000000000000000 0000000000000001 0000000000000001 c0080000190f4fa8 GPR12: c0000000001fa6e0 c000000007fc2a00 0000000000000000 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR24: 000000011420e310 0000000000000000 0000000000000000 0000000018010000 GPR28: c00000000159de50 c000011e12250000 0000000000006600 c000011e5c994848 NIP [c0000000001fa758] dma_free_attrs+0x78/0x110 LR [c0000000001fa744] dma_free_attrs+0x64/0x110 Call Trace: [c000000217337860] [000000011420e310] 0x11420e310 (unreliable) [c0000002173378b0] [c0080000190f0280] release_event_pool+0xd8/0x120 [ibmvscsi] [c000000217337930] [c0080000190f3f74] ibmvscsi_remove+0x6c/0x160 [ibmvscsi] [c000000217337960] [c0000000000f3cac] vio_bus_remove+0x5c/0x100 [c0000002173379a0] [c00000000087a0a4] device_release_driver_internal+0x154/0x280 [c0000002173379e0] [c0000000008777cc] bus_remove_device+0x11c/0x220 [c000000217337a60] [c000000000870fc4] device_del+0x1c4/0x470 [c000000217337b10] [c0000000008712a0] device_unregister+0x30/0xa0 [c000000217337b80] [c0000000000f39ec] vio_unregister_device+0x2c/0x60 [c000000217337bb0] [c00800001a1d0964] dlpar_remove_slot+0x14c/0x250 [rpadlpar_io] [c000000217337c50] [c00800001a1d0bcc] remove_slot_store+0xa4/0x110 [rpadlpar_io] [c000000217337cd0] [c000000000c091a0] kobj_attr_store+0x30/0x50 [c000000217337cf0] [c00000000057c934] sysfs_kf_write+0x64/0x90 [c000000217337d10] [c00000000057be10] kernfs_fop_write+0x1b0/0x290 [c000000217337d60] [c000000000488c4c] __vfs_write+0x3c/0x70 [c000000217337d80] [c00000000048c648] vfs_write+0xd8/0x260 [c000000217337dd0] [c00000000048ca8c] ksys_write+0xdc/0x130 [c000000217337e20] [c00000000000b488] system_call+0x5c/0x70 Instruction dump: 7c840074 f8010010 f821ffb1 20840040 eb830218 7c8407b4 48002019 60000000 2fa30000 409e003c 892d0988 792907e0 <0b090000> 2fbd0000 419e0028 2fbc0000 ---[ end trace 5955b3c0cc079942 ]--- rpadlpar_io: slot U9080.M9S.783AEC8-V11-C11 removed This is tripped as a result of irqs being disabled during the call to dma_free_coherent() by release_event_pool(). At this point in the code path we have quiesced the adapter and it is overly paranoid to be holding the host lock. [mkp: fixed build warning reported by sfr] Link: https://lore.kernel.org/r/1588027793-17952-1-git-send-email-tyreld@linux.ibm.com Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>		2020-04-28 22:59:55 -04:00
..
aacraid	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
aic7xxx	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
aic94xx	compat_ioctl: scsi: handle HDIO commands from drivers	2020-01-03 09:42:52 +01:00
arcmsr	SCSI misc on 20200402	2020-04-02 17:03:53 -07:00
arm	…
be2iscsi	scsi: be2iscsi: Use scnprintf() for avoiding potential buffer overflow	2020-03-17 13:36:09 -04:00
bfa	…
bnx2fc	scsi: bnx2fc: fix boolreturn.cocci warnings	2020-03-31 22:35:02 -04:00
bnx2i	remove ioremap_nocache and devm_ioremap_nocache	2020-01-06 09:45:59 +01:00
csiostor	SCSI misc on 20200129	2020-01-29 18:16:16 -08:00
cxgbi	SCSI fixes on 20191227	2019-12-27 17:28:41 -08:00
cxlflash	SCSI misc on 20191130	2019-12-02 13:37:02 -08:00
device_handler	…
dpt	scsi: docs: convert dpti.txt to ReST	2020-03-11 23:07:59 -04:00
esas2r	proc: convert everything to "struct proc_ops"	2020-02-04 03:05:26 +00:00
fcoe	…
fnic	scsi: fnic: Use scnprintf() for avoiding potential buffer overflow	2020-03-17 13:36:10 -04:00
hisi_sas	scsi: hisi_sas: Fix build error without SATA_HOST	2020-04-13 13:28:13 -04:00
ibmvscsi	scsi: ibmvscsi: Fix WARN_ON during event pool release	2020-04-28 22:59:55 -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 misc on 20200402	2020-04-02 17:03:53 -07:00
libfc	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
libsas	ata: make SATA_PMP option selectable only if any SATA host driver is enabled	2020-03-26 10:28:17 -06:00
lpfc	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
megaraid	SCSI misc on 20200402	2020-04-02 17:03:53 -07:00
mpt3sas	scsi: mpt3sas: Fix kernel panic observed on soft HBA unplug	2020-03-31 22:02:37 -04:00
mvsas	scsi: Replace zero-length array with flexible-array member	2020-03-11 23:07:56 -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	scsi: qedf: Use pci_get_dsn()	2020-03-05 17:36:24 -08:00
qedi	scsi: qedi: Add PCI shutdown handler support	2020-03-26 22:38:54 -04:00
qla2xxx	scsi: qla2xxx: Delete all sessions before unregister local nvme port	2020-04-24 12:17:06 -04:00
qla4xxx	scsi: qla4xxx: Adjust indentation in qla4xxx_mem_free	2019-12-19 22:08:55 -05:00
smartpqi	scsi: smartpqi: Use scnprintf() for avoiding potential buffer overflow	2020-03-17 13:36:13 -04:00
snic	scsi: Replace zero-length array with flexible-array member	2020-03-11 23:07:56 -04:00
sym53c8xx_2	scsi: sym53c8xx: fix typos in comments	2019-12-19 22:08:54 -05:00
ufs	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
.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	…
3w-xxxx.h	…
53c700.c	…
53c700.h	…
53c700.scr	…
53c700_d.h_shipped	…
BusLogic.c	SCSI misc on 20200402	2020-04-02 17:03:53 -07:00
BusLogic.h	…
FlashPoint.c	…
Kconfig	scsi: Update referenced link to cdrtools	2020-04-14 21:16:16 -04:00
Makefile	…
NCR5380.c	scsi: NCR5380: Add disconnect_mask module parameter	2019-11-19 21:37:34 -05:00
NCR5380.h	…
a100u2w.c	…
a100u2w.h	…
a2091.c	…
a2091.h	…
a3000.c	…
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	…
atp870u.c	…
atp870u.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	scsi: docs: convert dpti.txt to ReST	2020-03-11 23:07:59 -04:00
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.c	…
fdomain.h	…
fdomain_isa.c	…
fdomain_pci.c	…
g_NCR5380.c	scsi: docs: convert g_NCR5380.txt to ReST	2020-03-11 23:08:00 -04:00
gdth.c	…
gdth.h	…
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	…
gvp11.c	…
gvp11.h	…
hosts.c	scsi: core: add scsi_host_busy_iter()	2020-02-28 20:54:52 -05:00
hpsa.c	scsi: hpsa: correct race condition in offload enabled	2020-03-26 22:44:41 -04:00
hpsa.h	…
hpsa_cmd.h	…
hptiop.c	…
hptiop.h	…
imm.c	…
imm.h	…
initio.c	scsi: initio: make initio_state_7() static	2019-12-19 22:08:54 -05:00
initio.h	…
ipr.c	SCSI misc on 20200402	2020-04-02 17:03:53 -07:00
ipr.h	SCSI misc on 20200402	2020-04-02 17:03:53 -07:00
ips.c	…
ips.h	…
iscsi_boot_sysfs.c	…
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	…
lasi700.c	remove ioremap_nocache and devm_ioremap_nocache	2020-01-06 09:45:59 +01:00
libiscsi.c	scsi: libiscsi: Fix error count for active session	2020-03-26 22:48:58 -04:00
libiscsi_tcp.c	…
mac53c94.c	…
mac53c94.h	…
mac_esp.c	…
mac_scsi.c	…
megaraid.c	scsi: simplify scsi_partsize	2020-03-24 07:57:07 -06:00
megaraid.h	…
mesh.c	…
mesh.h	…
mvme16x_scsi.c	…
mvme147.c	…
mvme147.h	…
mvumi.c	…
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	…
nsp32.c	…
nsp32.h	…
nsp32_debug.c	…
nsp32_io.h	…
pmcraid.c	…
pmcraid.h	scsi: Replace zero-length array with flexible-array member	2020-03-11 23:07:56 -04:00
ppa.c	…
ppa.h	…
ps3rom.c	…
qla1280.c	scsi: qla1280: Make checking for 64bit support consistent	2020-01-20 18:35:55 -05:00
qla1280.h	scsi: qla1280: Fix dma firmware download, if dma address is 64bit	2020-01-15 23:09:11 -05:00
qlogicfas.c	…
qlogicfas408.c	…
qlogicfas408.h	…
qlogicpti.c	…
qlogicpti.h	…
raid_class.c	…
script_asm.pl	…
scsi.c	scsi: core: Remove cmd_list functionality	2020-02-28 20:54:55 -05:00
scsi.h	…
scsi_common.c	…
scsi_debug.c	block: move struct partition out of genhd.h	2020-03-24 07:57:08 -06:00
scsi_debugfs.c	…
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: Remove cmd_list functionality	2020-02-28 20:54:55 -05:00
scsi_ioctl.c	compat_ioctl: add scsi_compat_ioctl	2020-01-03 09:33:18 +01:00
scsi_lib.c	scsi: core: Allow the state change from SDEV_QUIESCE to SDEV_BLOCK	2020-04-21 23:44:26 -04:00
scsi_lib_dma.c	…
scsi_logging.c	…
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_priv.h	scsi: core: Remove cmd_list functionality	2020-02-28 20:54:55 -05:00
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_transport_iscsi.c	scsi: iscsi: Report unbind session event when the target has been removed	2020-03-31 21:39:58 -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	…
scsicam.c	block: move struct partition out of genhd.h	2020-03-24 07:57:08 -06:00
sd.c	for-5.7/block-2020-03-29	2020-03-30 11:20:13 -07:00
sd.h	SCSI misc on 20191207	2019-12-08 12:23:42 -08:00
sd_dif.c	…
sd_zbc.c	scsi: sd_sbc: Fix sd_zbc_report_zones()	2020-02-24 12:50:32 -05:00
sense_codes.h	…
ses.c	…
sg.c	scsi: sg: add sg_remove_request in sg_write	2020-04-14 21:15:53 -04:00
sgiwd93.c	…
sim710.c	…
sni_53c710.c	remove ioremap_nocache and devm_ioremap_nocache	2020-01-06 09:45:59 +01:00
sr.c	SCSI misc on 20200410	2020-04-10 12:21:11 -07:00
sr.h	scsi: sr: get rid of sr global mutex	2020-02-24 15:01:57 -05:00
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
st.c	scsi: st: Use get_unaligned_be24() and sign_extend32()	2020-03-16 22:08:34 -04:00
st.h	…
st_options.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: Correctly set number of hardware queues for IDE disk	2020-01-15 23:02:24 -05:00
sun3_scsi.c	…
sun3_scsi_vme.c	…
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: Silence dma mapping errors	2019-12-19 22:42:44 -05:00
vmw_pvscsi.h	…
wd33c93.c	…
wd33c93.h	…
wd719x.c	…
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	scsi: zorro_esp: Restore devm_ioremap() alignment	2020-02-12 22:56:47 -05:00