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87fd125344
linux/drivers
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Max Gurtovoy 87fd125344 nvme-rdma: remove redundant reference between ib_device and tagset 
In the past, before adding f41725bb ("nvme-rdma: Use mr pool") commit,
we needed a reference on the ib_device as long as the tagset
was alive, as the MRs in the request structures needed a valid ib_device.
Now, we allocate/deallocate MR pool per QP and consume on demand.

Also remove nvme_rdma_free_tagset function and use blk_mq_free_tag_set
instead, as it unneeded anymore.

This commit also fixes a memory leakage and possible segmentation fault.
When configuring the system with NIC teaming (aka bonding), we use 1
network interface to create an HA connection to the target side. In case
one connection breaks down, nvme-rdma driver will get notification from
rdma-cm layer that underlying address was change and will start error
recovery process. During this process, we'll reconnect to the target
via the second interface in the bond without destroying the tagset.
This will cause a leakage of the initial rdma device (ndev) and miscount
in the reference count of the new created rdma device (new ndev). In
the final destruction (or in another error flow), we'll get a warning
dump from the ib_dealloc_pd that we still have inflight MR's related to
that pd. This happens becasue of the miscount of the reference tag of
the rdma device and causing access violation to it's elements (some
queues are not destroyed yet).

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-05-13 16:00:03 +02:00
..
accessibility
acpi libnvdimm fixes v5.1-rc6 2019-04-15 16:48:51 -07:00
amba ARM: 8836/1: drivers: amba: Update component matching to use the CoreSight UCI values. 2019-02-26 11:23:49 +00:00
android binder: fix race between munmap() and direct reclaim 2019-03-21 06:51:32 +01:00
ata sata_rcar: Remove ata_host_alloc() error printing 2019-05-09 11:19:32 -06:00
atm
auxdisplay auxdisplay: charlcd: make backlight initial state configurable 2019-03-17 08:48:45 +01:00
base mm/memory_hotplug: do not unlock after failing to take the device_hotplug_lock 2019-04-19 09:46:04 -07:00
bcma
block brd: add cond_resched to brd_free_pages 2019-05-09 12:51:27 -06:00
bluetooth Bluetooth: btusb: request wake pin with NOAUTOEN 2019-04-09 17:38:24 -10:00
bus ARM: SoC driver updates for 5.1 2019-03-06 09:41:12 -08:00
cdrom Revert "block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers" 2019-04-12 13:35:27 -06:00
char ipmi: fix sleep-in-atomic in free_user at cleanup SRCU user->release_barrier 2019-04-17 10:29:27 -05:00
clk clk: imx: Fix PLL_1416X not rounding rates 2019-04-12 14:21:43 -07:00
clocksource clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load_start 2019-04-16 14:26:54 +02:00
connector connector: fix unsafe usage of ->real_parent 2019-03-08 15:06:38 -08:00
cpufreq cpufreq/intel_pstate: Load only on Intel hardware 2019-04-01 23:39:23 +02:00
cpuidle cpuidle: governor: Add new governors to cpuidle_governors again 2019-03-12 23:46:55 +01:00
crypto crypto: caam - fix copy of next buffer for xcbc and cmac 2019-03-28 13:54:32 +08:00
dax device-dax for 5.1 2019-03-16 13:05:32 -07:00
dca
devfreq
dio
dma dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array" 2019-03-25 21:56:54 +05:30
dma-buf
edac Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-08 09:11:39 -08:00
eisa
extcon extcon: ptn5150: fix COMPILE_TEST dependencies 2019-04-05 10:08:37 +09:00
firewire
firmware memblock: drop memblock_alloc_*_nopanic() variants 2019-03-12 10:04:02 -07:00
fmc
fpga
fsi
gnss gnss: add driver for mediatek receivers 2019-02-15 16:54:38 +01:00
gpio gpio fixes for v5.1-rc3 2019-03-29 03:04:47 +01:00
gpu Merge branch 'drm-fixes-5.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2019-04-18 06:56:35 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-04-19 10:28:27 -07:00
hsi
hv Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00
hwmon hwmon: (ntc_thermistor) Fix temperature type reporting 2019-03-29 09:51:44 -07:00
hwspinlock
hwtracing ARM updates for 5.1-rc1 2019-03-15 14:37:46 -07:00
i2c i2c: imx: don't leak the i2c adapter on error 2019-04-06 17:54:28 +02:00
i3c i3c: dw: Fix dw_i3c_master_disable controller by using correct mask 2019-04-10 12:46:20 +02:00
ide Revert "ide: unexport DISK_EVENT_MEDIA_CHANGE for ide-gd and ide-cd" 2019-04-12 13:35:25 -06:00
idle intel_idle: add support for Jacobsville 2019-02-15 10:49:14 +01:00
iio iio: core: fix a possible circular locking dependency 2019-03-31 11:11:31 +01:00
infiniband coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping 2019-04-19 09:46:05 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-04-19 10:28:27 -07:00
interconnect
iommu iommu/amd: Set exclusion range correctly 2019-04-12 12:59:45 +02:00
ipack
irqchip irqchip/irq-ls1x: Missing error code in ls1x_intc_of_init() 2019-04-05 14:37:56 +02:00
isdn mISDN: Check address length before reading address family 2019-04-12 10:25:03 -07:00
leds leds: trigger: netdev: use memcpy in device_name_store 2019-03-30 19:09:32 +01:00
lightnvm lightnvm: pblk: use nvm_rq_to_ppa_list() 2019-05-06 10:19:19 -06:00
macintosh treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
mailbox mailbox: imx: keep MU irq working during suspend/resume 2019-03-11 02:51:43 -05:00
mcb
md bcache: make is_discard_enabled() static 2019-05-01 06:34:09 -06:00
media DMA mapping updates for 5.1 2019-03-10 11:54:48 -07:00
memory
memstick
message
mfd mfd: sun6i-prcm: Allow to compile with COMPILE_TEST 2019-04-03 08:38:07 +01:00
misc misc: fastrpc: add checked value for dma_set_mask 2019-04-02 17:56:54 +02:00
mmc mmc: sdhci-omap: Don't finish_mrq() on a command error during tuning 2019-04-11 12:40:32 +02:00
mtd mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer 2019-04-05 00:39:19 +02:00
mux
net ocelot: Clean up stats update deferred work 2019-04-16 21:43:53 -07:00
nfc
ntb Fixes for switchtec debugability and mapping table entries, NTB 2019-03-15 14:32:59 -07:00
nubus
nvdimm Linux 5.1-rc6 2019-04-22 09:47:36 -06:00
nvme nvme-rdma: remove redundant reference between ib_device and tagset 2019-05-13 16:00:03 +02:00
nvmem Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00
of of: fix kmemleak crash caused by imbalance in early memory reservation 2019-03-12 10:04:02 -07:00
opp PM / OPP: Update performance state when freq == old_freq 2019-03-12 09:45:56 +01:00
oprofile
parisc Revert: parisc: Use F_EXTEND() macro in iosapic code 2019-04-06 19:07:55 +02:00
parport Revert "parport: daisy: use new parport device model" 2019-03-25 14:49:00 -07:00
pci PCI: pciehp: Ignore Link State Changes after powering off a slot 2019-04-10 16:06:43 -05:00
pcmcia
perf arm64 updates for 5.1: 2019-03-10 10:17:23 -07:00
phy phy: sun4i-usb: Support set_mode to USB_HOST for non-OTG PHYs 2019-03-26 16:48:55 +09:00
pinctrl This is the bulk of pin control changes for the v5.1 kernel cycle. 2019-03-11 11:12:50 -07:00
platform Here's more than a handful of clk driver fixes for changes that came in 2019-04-13 14:33:56 -07:00
pnp ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting 2019-02-24 21:12:01 +01:00
power drivers: power: supply: goldfish_battery: Fix bogus SPDX identifier 2019-04-15 11:16:31 +02:00
powercap powercap/intel_rapl: add Ice Lake mobile 2019-02-18 11:31:39 +01:00
pps
ps3
ptp Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-05 14:08:26 -08:00
pwm pwm: atmel: Remove useless symbolic definitions 2019-03-04 12:52:49 +01:00
rapidio rapidio/mport_cdev: mark expected switch fall-through 2019-03-07 18:32:02 -08:00
ras
regulator regulator: mc13xxx: Constify regulator_ops variables 2019-03-04 00:01:08 +00:00
remoteproc remoteproc updates for v5.1 2019-03-14 09:00:06 -07:00
reset reset: meson-audio-arb: Fix missing .owner setting of reset_controller_dev 2019-03-25 16:22:10 +01:00
rpmsg rpmsg: virtio: change header file sort style 2019-02-20 21:15:54 -08:00
rtc rtc: da9063: set uie_unsupported when relevant 2019-04-02 23:33:09 +02:00
s390 s390/dasd: fix build warning in dasd_eckd_build_cp_raw 2019-05-09 08:10:21 -06:00
sbus
scsi Linux 5.1-rc6 2019-04-22 09:47:36 -06:00
sfi
sh
siox
slimbus
sn
soc This pull request brings in a build fix for arm64 with bcm2835 2019-03-18 10:31:24 -07:00
soundwire
spi pci-v5.1-changes 2019-03-09 14:57:08 -08:00
spmi
ssb
staging block: remove the i argument to bio_for_each_segment_all 2019-04-30 09:26:13 -06:00
target SCSI misc on 20190315 2019-03-16 12:51:50 -07:00
tc
tee ARM: SoC driver updates for 5.1 2019-03-06 09:41:12 -08:00
thermal Merge branches 'fixes' and 'thermal-intel' into next 2019-03-18 22:37:44 +08:00
thunderbolt
tty sc16is7xx: put err_spi and err_i2c into correct #ifdef 2019-04-19 14:09:23 +02:00
uio
usb USB-serial fixes for 5.1-rc3 2019-03-29 15:31:16 +01:00
uwb
vfio vfio/type1: Limit DMA mappings per container 2019-04-03 12:43:05 -06:00
vhost vhost: reject zero size iova range 2019-04-10 22:45:38 -07:00
video fbdev changes for v5.1: 2019-03-15 14:22:59 -07:00
virt virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 2019-03-28 01:55:18 +09:00
virtio virtio: Honour 'may_reduce_num' in vring_create_virtqueue 2019-04-08 17:05:52 -04:00
visorbus
vlynq
vme
w1
watchdog linux-watchdog 5.1-rc1 tag 2019-03-11 11:22:15 -07:00
xen Linux 5.1-rc6 2019-04-22 09:47:36 -06:00
zorro
Kconfig
Makefile IOMMU Updates for Linux v5.1 2019-03-10 12:29:52 -07:00