kernel-ark/drivers
Dan Williams 5d7f6d1071 [SCSI] libsas: fix sas_unregister_ports vs sas_drain_work
We need to hold drain_mutex across the unregistration as port down events
queue device removal as chained events, so we need to make sure no other
drainers are active.

[ 1118.673968] WARNING: at kernel/workqueue.c:996 __queue_work+0x11a/0x326()
[ 1118.681982] Hardware name: S2600CP
[ 1118.686193] Modules linked in: isci(-) libsas scsi_transport_sas nls_utf8
ipv6 uinput sg iTCO_wdt iTCO_vendor_support i2c_i801 i2c_core ioatdma dca
sd_mod sr_mod cdrom ahci libahci libata [last unloaded: scsi_transport_sas]
[ 1118.709893] Pid: 6831, comm: rmmod Not tainted 3.2.0-isci+ #1
[ 1118.716727] Call Trace:
[ 1118.719867]  [<ffffffff8103e9f5>] warn_slowpath_common+0x85/0x9d
[ 1118.727000]  [<ffffffff8103ea27>] warn_slowpath_null+0x1a/0x1c
[ 1118.733942]  [<ffffffff81056d44>] __queue_work+0x11a/0x326
[ 1118.740481]  [<ffffffff81056f99>] queue_work_on+0x1b/0x22
[ 1118.746925]  [<ffffffff81057106>] queue_work+0x37/0x3e
[ 1118.753105]  [<ffffffffa0120e05>] ? sas_discover_event+0x55/0x82 [libsas]
[ 1118.761094]  [<ffffffff813217c3>] scsi_queue_work+0x42/0x44
[ 1118.767717]  [<ffffffffa0120e19>] sas_discover_event+0x69/0x82 [libsas]
[ 1118.775509]  [<ffffffffa0120f5b>] sas_unregister_dev+0xc3/0xcc [libsas]
[ 1118.783319]  [<ffffffffa0120fae>] sas_unregister_domain_devices+0x4a/0xc8 [libsas]
[ 1118.792731]  [<ffffffffa0120071>] sas_deform_port+0x60/0x1a6 [libsas]
[ 1118.800339]  [<ffffffffa01201ea>] sas_unregister_ports+0x33/0x44 [libsas]
[ 1118.808342]  [<ffffffffa011f7e5>] sas_unregister_ha+0x41/0x6b [libsas]
[ 1118.816055]  [<ffffffffa0134055>] isci_unregister+0x22/0x4d [isci]
[ 1118.823384]  [<ffffffffa0143040>] isci_pci_remove+0x2e/0x60 [isci]

Reported-by: Jacek Danecki <jacek.danecki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-29 15:27:09 -06:00
..
accessibility
acpi ACPI: remove duplicated lines of merging problems with acpi_processor_add 2012-02-08 15:07:03 -08:00
amba
ata [SCSI] libsas: execute transport link resets with libata-eh via host workqueue 2012-02-19 14:13:51 -06:00
atm
auxdisplay
base driver-core: cpu: fix kobject warning when hotplugging a cpu 2012-02-08 15:11:17 -08:00
bcma bcma: don't fail for bad SPROM CRC 2012-02-06 14:37:52 -05:00
block Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2012-02-11 10:07:11 -08:00
bluetooth
cdrom cdrom: move shared static to cdrom_device_info 2012-02-08 20:03:14 +01:00
char agp: fix scratch page cleanup 2012-01-26 18:36:48 +00:00
clk
clocksource
connector
cpufreq
cpuidle
crypto
dca
devfreq
dio
dma i.MX SDMA: Fix burstsize settings 2012-02-02 14:00:43 +05:30
edac
eisa
firewire firewire: ohci: disable MSI on Ricoh controllers 2012-01-30 21:33:34 +01:00
firmware
gpio gpio: Add missing spin_lock_init in gpio-ml-ioh driver 2012-02-01 21:59:37 -07:00
gpu Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux into drm-fixes 2012-02-10 08:35:19 +00:00
hid HID: wiimote: fix invalid power_supply_powers call 2012-02-07 13:40:56 +01:00
hv
hwmon hwmon: (f75375s) Let f75375_update_device treat pwmX as a measured value 2012-02-09 11:21:49 -08:00
hwspinlock
i2c i2c: OMAP: Fix OMAP1 build error 2012-01-20 08:24:22 -08:00
ide block: add and use scsi_blk_cmd_ioctl 2012-01-14 15:07:24 -08:00
idle ACPI processor hotplug: Delay acpi_processor_start() call for hotplugged cores 2012-01-19 21:26:32 -05:00
ieee802154
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-10 14:18:46 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2012-02-04 10:57:42 -08:00
iommu iommu/msm: Fix error handling in msm_iommu_unmap() 2012-01-30 12:53:14 +01:00
isdn isdn: type bug in isdn_net_header() 2012-02-09 15:41:29 -05:00
leds drivers/leds/leds-lm3530.c: fix setting pltfm->als_vmax 2012-02-08 19:03:51 -08:00
lguest
macintosh
mca
md Some simple md-related fixes. 2012-02-08 19:06:30 -08:00
media Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media 2012-01-26 17:04:47 -08:00
memstick
message
mfd mfd: Avoid twl6040-codec PLL reconfiguration when not needed 2012-02-03 19:03:50 +01:00
misc Minor char-misc fixes for 3.3-rc3 2012-02-09 13:51:13 -08:00
mmc drivers: misc: Remove MISC_DEVICES config option 2012-01-24 16:24:02 -08:00
mtd - Fix a regression in 16-bit Atmel NAND flash which was introduced in 3.1 2012-02-04 07:17:47 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-10 14:18:46 -08:00
nfc
nubus
of 2nd set of device tree changes for v3.3 2012-01-14 13:25:55 -08:00
oprofile
parisc
parport Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1 2012-01-14 12:32:16 -08:00
pci kernel-doc: fix new warnings in pci 2012-01-23 08:44:53 -08:00
pcmcia pcmcia: fix socket refcount decrementing on each resume 2012-02-08 19:03:51 -08:00
pinctrl pinctrl: add checks for empty function names 2012-01-26 14:13:11 +01:00
platform
pnp
power
pps
ps3
ptp
rapidio
regulator This fixes an integration issue with the regulator device tree bindings 2012-01-30 10:16:25 -08:00
rtc Revert "RTC: sa1100: remove redundant code of setting alarm" 2012-01-19 17:26:26 +00:00
s390 [S390] dasd: revalidate server for new pathgroup 2012-01-18 18:03:42 +01:00
sbus
scsi [SCSI] libsas: fix sas_unregister_ports vs sas_drain_work 2012-02-29 15:27:09 -06:00
sfi
sh
sn
spi spi-topcliff-pch: rename pch_spi_pcidev to pch_spi_pcidev_driver 2012-02-05 23:24:17 -07:00
ssb ssb: fix cardbus slot in hostmode 2012-02-01 15:26:00 -05:00
staging staging: pohmelfs: remove drivers/staging/pohmelfs 2012-02-08 16:19:06 -08:00
target target: Fix unsupported WRITE_SAME sense payload 2012-02-07 06:48:58 +00:00
tc
telephony
thermal thermal: Rename generate_netlink_event 2012-01-23 03:15:25 -05:00
tty tty: serial: omap-serial: wakeup latency constraint is in microseconds, not milliseconds 2012-02-09 10:48:36 -08:00
uio
usb USB: usbserial: add new PID number (0xa951) to the ftdi driver 2012-02-03 11:22:44 -08:00
uwb
vhost vhost-net: add module alias (v2.1) 2012-01-13 10:12:23 -08:00
video fbdev fixes for 3.3 2012-02-07 15:54:02 -08:00
virt
virtio virtio: correct the memory barrier in virtqueue_kick_prepare() 2012-01-28 08:10:23 +10:30
vlynq
w1
watchdog watchdog: iTCO_wdt: add Intel Lynx Point DeviceIDs 2012-01-27 10:01:16 +01:00
xen xen/granttable: Disable grant v2 for HVM domains. 2012-01-27 11:14:16 -05:00
zorro
Kconfig
Makefile