iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/drivers
History
Kamenee Arumugam f592ae3c99 IB/rdmavt: Fracture single lock used for posting and processing RWQEs 
Usage of single lock prevents fetching posted and processing receive work
queue entries from progressing simultaneously and impacts overall
performance.

Fracture the single lock used for posting and processing Receive Work
Queue Entries (RWQEs) to allow the circular buffer to be filled and
emptied at the same time. Two new spinlocks - one for the producers and
one for the consumers used for posting and processing RWQEs simultaneously
and the two indices are define on two different cache lines. The threshold
count is used to avoid reading other index in different cache line every
time.

Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-06-28 22:32:16 -03:00
..
accessibility
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 70
2019-05-24 17:36:47 +02:00
acpi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
amba
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
android
binder: fix possible UAF when freeing buffer
2019-06-13 10:35:55 +02:00
ata
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
atm
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
auxdisplay
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
base
drivers/base/devres: introduce devm_release_action()
2019-06-13 17:34:56 -10:00
bcma
…
block
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
bluetooth
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
bus
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
cdrom
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
char
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
clk
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
clocksource
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
connector
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
counter
Second set of IIO fixes for the 5.2 cycle.
2019-06-17 22:28:29 +02:00
cpufreq
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cpuidle
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
crypto
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dax
mm/devm_memremap_pages: fix final page put race
2019-06-13 17:34:56 -10:00
dca
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 33
2019-05-24 17:27:11 +02:00
devfreq
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dio
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
dma
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dma-buf
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
edac
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
eisa
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 210
2019-05-30 11:29:53 -07:00
extcon
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
firewire
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
firmware
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
fmc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 60
2019-05-24 17:36:45 +02:00
fpga
SPDX update for 5.2-rc4
2019-06-08 12:52:42 -07:00
fsi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 469
2019-06-19 17:09:11 +02:00
gnss
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
gpio
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
gpu
drm vmwgfx, panfrost, i915, imx fixes
2019-06-21 11:03:33 -07:00
hid
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
hsi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336
2019-06-05 17:37:07 +02:00
hv
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320
2019-06-05 17:37:05 +02:00
hwmon
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
hwspinlock
…
hwtracing
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
i2c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
i3c
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
ide
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
idle
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335
2019-06-05 17:37:06 +02:00
iio
Staging/IIO/Counter fixes for 5.2-rc6
2019-06-21 10:20:19 -07:00
infiniband
IB/rdmavt: Fracture single lock used for posting and processing RWQEs
2019-06-28 22:32:16 -03:00
input
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
interconnect
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
iommu
IOMMU Fix for v5.2-rc5:
2019-06-22 14:08:47 -07:00
ipack
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
irqchip
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
isdn
SPDX update for 5.2-rc3, round 1
2019-05-31 08:34:32 -07:00
leds
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
lightnvm
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 410
2019-06-05 17:37:14 +02:00
macintosh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 247
2019-06-19 17:09:08 +02:00
mailbox
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mcb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
md
md: fix for divide error in status_resync
2019-06-18 08:02:25 -07:00
media
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
memory
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
memstick
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
message
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
mfd
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
misc
Char/Misc driver fixes for 5.2-rc6
2019-06-21 10:18:16 -07:00
mmc
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
mtd
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mux
…
net
Linux 5.2-rc6
2019-06-28 21:18:23 -03:00
nfc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 417
2019-06-05 17:37:15 +02:00
ntb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288
2019-06-05 17:36:37 +02:00
nubus
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
nvdimm
mm/devm_memremap_pages: fix final page put race
2019-06-13 17:34:56 -10:00
nvme
Linux 5.2-rc6
2019-06-28 21:18:23 -03:00
nvmem
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
of
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
opp
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
oprofile
…
parisc
SPDX update for 5.2-rc4
2019-06-08 12:52:42 -07:00
parport
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pci
pci-v5.2-fixes-1
2019-06-22 09:42:29 -07:00
pcmcia
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
perf
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
phy
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pinctrl
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
platform
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pnp
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 150
2019-05-30 11:25:19 -07:00
power
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
powercap
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 309
2019-06-05 17:37:04 +02:00
pps
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
ps3
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167
2019-05-30 11:26:39 -07:00
ptp
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167
2019-05-30 11:26:39 -07:00
pwm
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rapidio
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
ras
RAS/CEC: Convert the timer callback to a workqueue
2019-06-07 23:21:39 +02:00
regulator
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
remoteproc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
reset
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
rpmsg
…
rtc
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
s390
vfio-ccw: Destroy kmem cache region on module exit
2019-06-13 15:52:28 +02:00
sbus
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
scsi
SCSI fixes on 20190622
2019-06-22 09:39:03 -07:00
sfi
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
sh
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
siox
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
slimbus
…
sn
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
soc
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
soundwire
soundwire fixes for v5.2-rc4
2019-06-10 18:07:39 +02:00
spi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
spmi
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
ssb
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
staging
Merge branch 'erofs_fix' into staging-linus
2019-06-17 22:59:28 +02:00
target
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
tc
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
tee
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
thermal
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
thunderbolt
thunderbolt: Implement CIO reset correctly for Titan Ridge
2019-06-14 14:25:43 +03:00
tty
vt/fbcon: deinitialize resources in visual_init() after failed memory allocation
2019-05-24 17:08:18 +02:00
uio
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
usb
usb: fixes for v5.2-rc5
2019-06-20 11:56:35 +02:00
uwb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
vfio
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
vhost
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
video
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
virt
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
virtio
virtio: Fix indentation of VIRTIO_MMIO
2019-05-27 11:08:22 -04:00
visorbus
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
vlynq
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102
2019-05-24 17:39:00 +02:00
vme
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
w1
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
watchdog
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
xen
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
zorro
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Kconfig
…
Makefile
…