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db71bbbd11
linux/drivers
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Julian Wiedmann db71bbbd11 s390/qeth: fix request-side race during cmd IO timeout 
Submitting a cmd IO request (usually on the WRITE device, but for IDX
also on the READ device) is currently done with ccw_device_start()
and a manual timeout in the caller.
On timeout, the caller cleans up the related resources (eg. IO buffer).
But 1) the IO might still be active and utilize those resources, and
    2) when the IO completes, qeth_irq() will attempt to clean up the
       same resources again.

Instead of introducing additional resource locking, switch to
ccw_device_start_timeout() to ensure IO termination after timeout, and
let the IRQ handler alone deal with cleaning up after a request.

This also removes a stray write->irq_pending reset from
clear_ipacmd_list(). The routine doesn't terminate any pending IO on
the WRITE device, so this should be handled properly via IO timeout
in the IRQ handler.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22 14:42:32 -04:00
..
accessibility
acpi xen: fixes for 4.17-rc1 2018-04-12 11:04:35 -07:00
amba
android
ata Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2018-04-03 17:42:25 -07:00
atm atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit" 2018-04-19 13:41:49 -04:00
auxdisplay
base mm: check __highest_present_section_nr directly in memory_dev_init() 2018-04-11 10:28:31 -07:00
bcma
block rbd: notrim map option 2018-04-16 09:38:40 +02:00
bluetooth Bluetooth: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for BTUSB_QCA_ROME 2018-04-01 21:43:02 +03:00
bus pci-v4.17-changes 2018-04-06 18:31:06 -07:00
cdrom
char RTC for 4.17 2018-04-10 10:22:27 -07:00
clk The large diff this time around is from the addition of a new clk driver 2018-04-13 15:51:06 -07:00
clocksource Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-04-16 12:44:03 -07:00
connector
cpufreq cpufreq: Drop cpufreq_table_validate_and_show() 2018-04-10 08:40:45 +02:00
cpuidle cpuidle: menu: Avoid selecting shallow states with stopped tick 2018-04-09 11:54:57 +02:00
crypto .gitignore: move *-asn1.[ch] patterns to the top-level .gitignore 2018-04-07 19:04:02 +09:00
dax libnvdimm for 4.17 2018-04-10 10:25:57 -07:00
dca
devfreq
dio
dma DMAengine updates for v4.17-rc1 2018-04-10 12:14:37 -07:00
dma-buf
edac * Add NVDIMM support to EDAC (Tony Luck) 2018-04-05 14:21:13 -07:00
eisa
extcon Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
firewire
firmware Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2018-04-13 16:32:16 -07:00
fmc treewide: Fix typos in printk 2018-03-27 09:51:22 +02:00
fpga
fsi
gpio DeviceTree updates for 4.17: 2018-04-05 21:03:42 -07:00
gpu amdgpu, omap and snd regression fix 2018-04-12 20:56:10 -07:00
hid HID: i2c-hid: fix inverted return value from i2c_hid_command() 2018-04-19 09:25:15 +02:00
hsi
hv ARM: 2018-04-09 11:42:31 -07:00
hwmon hwmon updates for v4.17 2018-04-09 19:59:54 -07:00
hwspinlock
hwtracing Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
i2c i2c: add param sanity check to i2c_transfer() 2018-04-11 23:33:46 +02:00
ide for-4.17/block-20180402 2018-04-05 14:27:02 -07:00
idle
iio This is the bulk of GPIO changes for the v4.17 kernel cycle: 2018-04-05 09:51:41 -07:00
infiniband Merge candidates for 4.17 merge window 2018-04-06 17:35:43 -07:00
input Changes to chrome-platform for v4.17 2018-04-13 16:20:36 -07:00
iommu IOMMU Updates for Linux v4.17 2018-04-11 18:50:41 -07:00
ipack
irqchip IOMMU Updates for Linux v4.17 2018-04-11 18:50:41 -07:00
isdn mISDN: Remove VLAs 2018-04-12 21:46:10 -04:00
leds
lightnvm lightnvm: pblk: remove some unnecessary NULL checks 2018-03-29 17:29:09 -06:00
macintosh powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
mailbox
mcb
md Merge tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2018-04-20 10:39:44 -07:00
media remoteproc updates for v4.17 2018-04-10 12:09:27 -07:00
memory
memstick
message
mfd platform/chrome: mfd/cros_ec_dev: Add sysfs entry to set keyboard wake lid angle 2018-04-10 22:25:07 -07:00
misc * Fix 2032 time access issues and new compiler warnings 2018-04-12 10:21:19 -07:00
mmc MMC host: 2018-04-20 10:41:31 -07:00
mtd This pull request contains updates for both UBI and UBIFS: 2018-04-11 16:39:34 -07:00
mux
net bnxt_en: Fix memory fault in bnxt_ethtool_init() 2018-04-19 16:35:09 -04:00
nfc
ntb
nubus
nvdimm libnvdimm for 4.17 2018-04-10 10:25:57 -07:00
nvme nvme: expand nvmf_check_if_ready checks 2018-04-12 09:58:27 -06:00
nvmem Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
of Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
opp
oprofile oprofilefs: don't oops on allocation failure 2018-03-29 15:07:48 -04:00
parisc parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode 2018-03-27 18:52:22 +02:00
parport Char/Misc patches for 4.17-rc1 2018-04-04 20:07:20 -07:00
pci PCI: Remove messages about reassigning resources 2018-04-11 08:46:50 -05:00
pcmcia Merge branch 'for-linus-sa1100' of git://git.armlinux.org.uk/~rmk/linux-arm 2018-04-09 09:26:36 -07:00
perf ARM: SoC driver updates for 4.17 2018-04-05 21:29:35 -07:00
phy ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
pinctrl This is the bulk of GPIO changes for the v4.17 kernel cycle: 2018-04-05 09:51:41 -07:00
platform Changes to chrome-platform for v4.17 2018-04-13 16:20:36 -07:00
pnp
power ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
powercap
pps
ps3
ptp
pwm pwm: Changes for v4.17-rc1 2018-04-13 15:46:21 -07:00
rapidio rapidio: use a reference count for struct mport_dma_req 2018-04-11 10:28:37 -07:00
ras
regulator Merge remote-tracking branches 'regulator/topic/88pg86x', 'regulator/topic/dt', 'regulator/topic/formatting' and 'regulator/topic/gpio' into regulator-next 2018-03-28 10:33:53 +08:00
remoteproc remoteproc: fix null pointer dereference on glink only platforms 2018-04-05 22:53:16 -07:00
reset Merge branch 'reset/lookup' into reset/next 2018-03-27 11:03:43 +02:00
rpmsg rpmsg: smd: Use announce_create to process any receive work 2018-03-27 21:54:37 -07:00
rtc RTC for 4.17 2018-04-10 10:22:27 -07:00
s390 s390/qeth: fix request-side race during cmd IO timeout 2018-04-22 14:42:32 -04:00
sbus sparc64: Properly range check DAX completion index 2018-04-01 20:07:00 -04:00
scsi SCSI fixes on 20180415 2018-04-15 17:24:12 -07:00
sfi
sh
siox
slimbus
sn
soc The large diff this time around is from the addition of a new clk driver 2018-04-13 15:51:06 -07:00
soundwire
spi spi: SPI updates for v4.17 2018-04-03 12:06:21 -07:00
spmi
ssb
staging page cache: use xa_lock 2018-04-11 10:28:39 -07:00
target for-4.17/block-20180402 2018-04-05 14:27:02 -07:00
tc
tee
thermal Merge branches 'thermal-core' and 'thermal-soc' into next 2018-04-13 14:11:53 +08:00
thunderbolt
tty Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2018-04-09 09:04:10 -07:00
uio
usb Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-04-07 11:11:41 -07:00
uwb
vfio VFIO updates for v4.17-rc1 2018-04-06 19:44:27 -07:00
vhost vhost: return bool from *_access_ok() functions 2018-04-11 10:54:06 -04:00
video fbdev changes for v4.17: 2018-04-10 10:20:00 -07:00
virt
virtio virtio: feature 2018-04-11 18:58:27 -07:00
visorbus
vlynq
vme
w1
watchdog linux-watchdog 4.17-rc1 merge window tag 2018-04-13 15:43:50 -07:00
xen xen: fixes and one header update for 4.17-rc2 2018-04-20 08:36:04 -07:00
zorro
Kconfig hwtracing: Add HW tracing support menu 2018-03-29 13:38:10 +03:00
Makefile