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Bart Van Assche 19f57298f0 IB/srpt: Fix the RDMA completion handlers 
Avoid that the following kernel crash is triggered when processing
an RDMA completion:

BUG: unable to handle kernel paging request at 0000000100000198
IP: [<ffffffff810a4ea2>] __lock_acquire+0xa2/0x560
Call Trace:
 [<ffffffff810a53c2>] lock_acquire+0x62/0x80
 [<ffffffff8151bd33>] _raw_spin_lock_irqsave+0x43/0x60
 [<ffffffffa04fd437>] srpt_rdma_read_done+0x57/0x120 [ib_srpt]
 [<ffffffffa0144dd3>] __ib_process_cq+0x43/0xc0 [ib_core]
 [<ffffffffa0145115>] ib_cq_poll_work+0x25/0x70 [ib_core]
 [<ffffffff8107184d>] process_one_work+0x1bd/0x460
 [<ffffffff81073148>] worker_thread+0x118/0x420
 [<ffffffff81078454>] kthread+0xe4/0x100
 [<ffffffff8151cbbf>] ret_from_fork+0x3f/0x70

Fixes: commit 59fae4deaa ("IB/srpt: chain RDMA READ/WRITE requests").
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
 		2016-01-19 15:26:55 -05:00
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accessibility
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acpi nfit: acpi_nfit_notify(): Do not leave device locked 2015-12-11 14:24:26 -08:00
amba
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android
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ata ata/sata_fsl.c: add ATA_FLAG_NO_LOG_PAGE to blacklist the controller for log page reads 2015-12-07 10:25:57 -05:00
atm
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auxdisplay
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base Merge branches 'powercap', 'pm-cpufreq' and 'pm-domains' 2015-12-14 22:58:57 +01:00
bcma
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block xen: bug fixes for 4.4-rc5 2015-12-18 12:24:52 -08:00
bluetooth
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bus Merge branch 'x15-audio-fixes' into omap-for-v4.4/fixes 2015-11-12 09:58:21 -08:00
cdrom
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char ipmi: move timer init to before irq is setup 2015-12-09 13:13:06 -06:00
clk ARM: SoC fixes for 4.4-rc 2015-12-12 16:43:44 -08:00
clocksource clocksource: Mmio: remove artificial 32bit limitation 2015-12-10 19:37:18 +01:00
connector
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cpufreq Merge branches 'powercap', 'pm-cpufreq' and 'pm-domains' 2015-12-14 22:58:57 +01:00
cpuidle
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crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-12-05 10:46:44 -08:00
dca
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devfreq
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dio
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dma dmaengine: at_xdmac: fix at_xdmac_prep_dma_memcpy() 2015-12-10 09:48:01 +05:30
dma-buf
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edac
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eisa
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extcon
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firewire
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firmware
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fmc
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fpga fpga manager: Fix firmware resource leak on error 2015-11-24 15:25:46 -08:00
gpio gpio: revert get() to non-errorprogating behaviour 2015-12-17 15:48:29 +01:00
gpu drm: Don't overwrite UNVERFIED mode status to OK 2015-12-15 11:00:10 +10:00
hid USB fixes for 4.4-rc5 2015-12-13 11:58:18 -08:00
hsi
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hv
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hwmon hwmon: (sht15) Select CONFIG_BITREVERSE 2015-12-18 08:19:52 -08:00
hwspinlock
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hwtracing Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-11-13 20:04:17 -08:00
i2c i2c: rcar: disable runtime PM correctly in slave mode 2015-12-19 12:00:37 +01:00
ide
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idle
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iio iio: adc: spmi-vadc: add missing of_node_put 2015-11-21 18:24:44 +00:00
infiniband IB/srpt: Fix the RDMA completion handlers 2016-01-19 15:26:55 -05:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-12-19 09:51:11 -08:00
iommu IOMMU Fixes for Linux v4.4-rc5 2015-12-18 12:38:35 -08:00
ipack
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irqchip irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB 2015-12-01 22:50:16 +01:00
isdn ser_gigaset: remove unnecessary kfree() calls from release method 2015-12-15 13:24:21 -05:00
leds
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lguest
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lightnvm lightnvm: do not compile in debugging by default 2015-12-07 09:14:20 -07:00
macintosh
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mailbox
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mcb
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md Fix remove_and_add_spares removes drive added as spare in slot_store 2015-12-18 15:19:16 +11:00
media media fixes for v4.4-rc6 2015-12-18 15:41:35 -08:00
memory
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memstick
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message SCSI queue for 4.4. 2015-11-12 07:06:18 -05:00
mfd
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misc cxl: Set endianess of kernel contexts 2015-12-08 16:57:01 +11:00
mmc
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mtd doc: dt: mtd: partitions: add compatible property to "partitions" node 2015-12-08 17:10:20 -08:00
net RDMA/be2net: Remove open and close entry points 2016-01-19 14:00:47 -05:00
nfc
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ntb
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nubus
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nvdimm libnvdimm, pmem: fix size trim in pmem_direct_access() 2015-11-12 09:55:23 -08:00
nvme lightnvm: replace req queue with nvmdev for lld 2015-12-07 09:14:19 -07:00
nvmem
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of of/irq: Export of_irq_find_parent again 2015-12-09 09:08:36 -06:00
oprofile
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parisc parisc iommu: fix panic due to trying to allocate too large region 2015-12-12 16:07:25 +01:00
parport
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pci PCI updates for v4.4: 2015-12-09 09:26:06 -08:00
pcmcia
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perf
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phy phy: core: Get a refcount to phy in devm_of_phy_get_by_index() 2015-12-07 18:44:02 +05:30
pinctrl pinctrl: bcm2835: Fix initial value for direction_output 2015-12-14 11:31:20 +01:00
platform platform/chrome: Branch for v4.4 2015-11-13 21:53:18 -08:00
pnp
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power
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powercap powercap / RAPL: fix BIOS lock check 2015-12-12 02:31:11 +01:00
pps
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ps3
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ptp
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pwm
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rapidio
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ras
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regulator
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remoteproc remoteproc: fix memory leak of remoteproc ida cache layers 2015-11-26 17:44:28 +02:00
reset
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rpmsg
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rtc rtc: da9063: fix access ordering error during RTC interrupt at system power on 2015-12-20 13:39:29 +01:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-11-18 08:59:29 -08:00
sbus
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scsi Merge branches '4.5/Or-cleanup' and '4.5/rdma-cq' into k.o/for-4.5 2015-12-22 17:03:15 -05:00
sfi
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sh drivers: sh: Get rid of CONFIG_ARCH_SHMOBILE_MULTI 2015-11-17 02:12:46 +09:00
sn
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soc Few Keystone fixes for 4.4-rcx 2015-11-25 23:48:12 +01:00
spi Merge remote-tracking branches 'spi/fix/dspi' and 'spi/fix/spidev' into spi-linus 2015-12-16 13:28:32 +00:00
spmi
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ssb
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staging IB: remove the write-only usecnt field from struct ib_mr 2015-12-23 14:29:06 -05:00
target target/stat: print full t10_wwn.model buffer 2015-11-28 21:23:13 -08:00
tc
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thermal imx: thermal: use CPU temperature grade info for thresholds 2015-11-23 16:38:40 -08:00
thunderbolt
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tty tty: Fix GPF in flush_to_ldisc() 2015-12-12 23:05:28 -08:00
uio
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usb USB: fix invalid memory access in hub_activate() 2015-12-18 09:30:34 -08:00
uwb
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vfio Revert: "vfio: Include No-IOMMU mode" 2015-12-04 08:38:42 -07:00
vhost vhost: replace % with & on data path 2015-12-07 17:28:10 +02:00
video OMAPDSS: fix timings for VENC to match what omapdrm expects 2015-12-09 12:57:13 +02:00
virt
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virtio virtio_ring: shadow available ring flags & index 2015-12-07 17:28:11 +02:00
vlynq
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vme
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w1
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watchdog watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog 2015-11-23 09:00:09 +01:00
xen xen: bug fixes for 4.4-rc5 2015-12-18 12:24:52 -08:00
zorro
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Kconfig
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Makefile null_blk: register as a LightNVM device 2015-11-16 15:22:28 -07:00