AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers
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Keith Busch 5c959d73db nvme-pci: fix rapid add remove sequence 
A surprise removal may fail to tear down request queues if it is racing
with the initial asynchronous probe. If that happens, the remove path
won't see the queue resources to tear down, and the controller reset
path may create a new request queue on a removed device, but will not
be able to make forward progress, deadlocking the pci removal.

Protect setting up non-blocking resources from a shutdown by holding the
same mutex, and transition to the CONNECTING state after these resources
are initialized so the probe path may see the dead controller state
before dispatching new IO.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=202081
Reported-by: Alex Gagniuc <Alex_Gagniuc@Dellteam.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Tested-by: Alex Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-02-06 16:35:33 +01:00
..
accessibility
acpi acpi/nfit: Fix command-supported detection 2019-01-21 09:58:31 -08:00
amba
android binderfs: switch from d_add() to d_instantiate() 2019-01-22 12:25:54 +01:00
ata SCSI fixes on 20190125 2019-01-26 15:03:43 -08:00
atm atm: he: fix sign-extension overflow on large shift 2019-01-17 11:27:00 -08:00
auxdisplay auxdisplay: charlcd: fix x/y command parsing 2018-12-21 21:27:21 +01:00
base regmap: Fixes for v5.0 2019-01-19 07:17:19 +12:00
bcma
block for-linus-20190118 2019-01-20 09:12:50 +12:00
bluetooth Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading 2018-12-19 13:43:42 +01:00
bus ARM: SoC driver updates 2018-12-31 17:32:35 -08:00
cdrom gdrom: fix a memory leak bug 2018-12-29 08:20:44 -07:00
char Char/Misc driver fixes for 5.0-rc4 2019-01-25 13:03:34 -10:00
clk clk: socfpga: stratix10: fix naming convention for the fixed-clocks 2019-01-15 12:58:38 -08:00
clocksource arch/csky patches for 4.21-rc1 2019-01-05 09:50:07 -08:00
connector
cpufreq Merge branches 'pm-cpuidle', 'pm-cpufreq' and 'pm-sleep' 2019-01-11 10:09:51 +01:00
cpuidle powerpc updates for 4.21 2018-12-27 10:43:24 -08:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-01-19 05:48:43 +12:00
dax mm, devm_memremap_pages: fix shutdown handling 2018-12-28 12:11:47 -08:00
dca
devfreq
dio
dma cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
dma-buf drivers/dma-buf/udmabuf.c: convert to use vm_fault_t 2019-01-04 13:13:46 -08:00
edac EDAC, altera: Fix S10 persistent register offset 2019-01-24 17:13:59 +01:00
eisa
extcon
firewire scsi: communicate max segment size to the DMA mapping code 2019-01-22 20:40:59 -05:00
firmware arm64 fixes for -rc1 2019-01-05 11:28:39 -08:00
fmc
fpga Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
fsi
gnss
gpio gpio: pca953x: Make symbol 'pca953x_i2c_regmap' static 2019-01-11 09:16:40 +01:00
gpu Merge tag 'drm-msm-fixes-2019-01-24' of git://people.freedesktop.org/~robclark/linux into drm-fixes 2019-01-25 07:45:00 +10:00
hid HID: core: simplify active collection tracking 2019-01-16 14:29:48 +01:00
hsi
hv vmbus: fix subchannel removal 2019-01-09 19:20:31 -05:00
hwmon hwmon: (tmp421) Correct the misspelling of the tmp442 compatible attribute in OF device ID table 2019-01-17 12:54:52 -08:00
hwspinlock hwspinlock: fix return value check in stm32_hwspinlock_probe() 2019-01-03 11:42:10 -08:00
hwtracing intel_th: msu: Fix an off-by-one in attribute store 2018-12-19 20:21:06 +01:00
i2c i2c: tegra: Fix Maximum transfer size 2019-01-11 00:15:04 +01:00
i3c i3c: master: Fix an error checking typo in 'cdns_i3c_master_probe()' 2019-01-22 13:56:37 +01:00
ide ide: ensure atapi sense request aren't preempted 2019-01-31 08:25:09 -07:00
idle
iio - New Device Support 2019-01-15 06:24:36 +12:00
infiniband First 5.0 rc pull request 2019-01-18 17:17:20 +12:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-01-27 09:07:03 -08:00
iommu IOMMU Fix for Linux v5.0-rc3 2019-01-22 07:27:17 +13:00
ipack
irqchip irqchip updates for 5.0-rc3 2019-01-18 23:32:29 +01:00
isdn isdn: avm: Fix string plus integer warning from Clang 2019-01-19 10:01:03 -08:00
leds leds: lp5523: fix a missing check of return value of lp55xx_read 2019-01-17 22:27:39 +01:00
lightnvm lightnvm: pblk: fix use-after-free bug 2018-12-22 14:45:35 -07:00
macintosh Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
mailbox mailbox: tegra-hsp: Use device-managed registration API 2018-12-21 22:31:26 -06:00
mcb
md md/raid5: fix 'out of memory' during raid cache recovery 2019-01-28 11:44:40 -08:00
media media: vim2m: only cancel work if it is for right context 2019-01-16 11:13:25 -05:00
memory ARM: SoC: late updates 2019-01-05 11:30:37 -08:00
memstick MMC core: 2018-12-28 16:52:18 -08:00
message scsi: flip the default on use_clustering 2018-12-18 23:13:12 -05:00
mfd - New Device Support 2019-01-15 06:24:36 +12:00
misc Char/Misc driver fixes for 5.0-rc4 2019-01-25 13:03:34 -10:00
mmc MMC host: 2019-01-25 13:07:03 -10:00
mtd mtd: rawnand: denali: get ->setup_data_interface() working again 2019-01-18 10:27:01 +01:00
mux
net qed: Revert error handling changes. 2019-01-25 15:32:28 -08:00
nfc
ntb cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
nubus
nvdimm libnvdimm/security: Require nvdimm_security_setup_events() to succeed 2019-01-21 09:57:43 -08:00
nvme nvme-pci: fix rapid add remove sequence 2019-02-06 16:35:33 +01:00
nvmem
of OF: properties: add missing of_node_put 2019-01-16 12:49:53 -06:00
opp cpufreq: scpi/scmi: Fix freeing of dynamic OPPs 2019-01-04 12:19:40 +01:00
oprofile
parisc Kconfig file consolidation for v4.21 2018-12-29 13:40:29 -08:00
parport
pci pci-v5.0-fixes-2 2019-01-19 07:26:16 +12:00
pcmcia Included in this update: 2019-01-05 11:23:17 -08:00
perf drivers/perf: hisi: Fixup one DDRC PMU register offset 2019-01-04 10:13:27 +00:00
phy USB/PHY fixes for 5.0-rc4 2019-01-25 12:57:09 -10:00
pinctrl Pin control bulk changes for the v4.21 kernel cycle: 2019-01-01 13:19:16 -08:00
platform platform/x86: apple-gmux: Make PCI dependency explicit 2019-01-15 23:17:16 +01:00
pnp Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
power power supply and reset changes for the v4.21 series 2018-12-28 20:22:45 -08:00
powercap
pps Kconfig updates for v4.21 2018-12-29 13:03:29 -08:00
ps3
ptp ptp: check that rsv field is zero in struct ptp_sys_offset_extended 2019-01-08 16:22:56 -05:00
pwm pwm: imx: Add ipg clock operation 2018-12-24 12:06:56 +01:00
rapidio cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
ras treewide: surround Kconfig file paths with double quotes 2018-12-22 00:25:54 +09:00
regulator Merge remote-tracking branch 'regulator/topic/coupled' into regulator-next 2018-12-21 13:43:35 +00:00
remoteproc virtio: don't allocate vqs when names[i] = NULL 2019-01-14 20:15:19 -05:00
reset reset: uniphier-glue: Add AHCI reset control support in glue layer 2019-01-07 16:38:51 +01:00
rpmsg
rtc RTC for 4.21 2019-01-01 13:24:31 -08:00
s390 s390 update with bug fixes for 5.0-rc4 2019-01-24 08:58:01 +13:00
sbus Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2018-12-26 10:32:18 -08:00
scsi SCSI fixes on 20190125 2019-01-26 15:03:43 -08:00
sfi
sh
siox
slimbus
sn
soc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-16 05:13:36 +12:00
soundwire
spi cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
spmi
ssb
staging staging: android: ion: Support cpu access during dma_buf_detach 2019-01-22 11:38:09 +01:00
target scsi: tcmu: fix use after free 2019-01-22 20:54:00 -05:00
tc
tee OP-TEE dynamic shm log message 2018-12-31 13:06:30 -08:00
thermal Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2019-01-23 16:23:41 +13:00
thunderbolt
tty serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling 2019-01-22 09:32:08 +01:00
uio Char/Misc driver patches for 4.21-rc1 2018-12-28 20:54:57 -08:00
usb USB-serial fixes for 5.0-rc3 2019-01-18 12:58:20 +01:00
uwb
vfio vfio-pci/nvlink2: Fix ancient gcc warnings 2019-01-23 08:20:43 -07:00
vhost Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-01-21 12:52:31 +13:00
video TTY/Serial driver fixes for 5.0-rc4 2019-01-25 12:58:40 -10:00
virt
virtio virtio-balloon: tweak config_changed implementation 2019-01-14 20:15:20 -05:00
visorbus
vlynq
vme
w1 treewide: surround Kconfig file paths with double quotes 2018-12-22 00:25:54 +09:00
watchdog watchdog: tqmx86: Fix a couple IS_ERR() vs NULL bugs 2019-01-07 10:10:35 +01:00
xen arm64/xen: fix xen-swiotlb cache flushing 2019-01-23 22:14:56 +01:00
zorro
Kconfig Kconfig file consolidation for v4.21 2018-12-29 13:40:29 -08:00
Makefile