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Julian Wiedmann c119a8a3c3 s390/qdio: fine-tune SLSB update 
xchg() for a single-byte location assembles to a 4-byte Compare&Swap,
wrapped into a non-trivial amount of retry code that deals with
concurrent modifications to the unaffected bytes.

Change it to a simple byte-store, but preserve the memory ordering
semantics that the CS provided.
This simplifies the generated code for a hot path, and in theory also
allows us to amortize the memory barriers over multiple SLSB updates.

CC: Andreas Krebbel <krebbel@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2020-06-16 13:44:03 +02:00
..
accessibility
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
acpi
libnvdimm for 5.8
2020-06-13 13:04:36 -07:00
amba
ARM: SoC changes for v5.8
2020-06-04 19:47:11 -07:00
android
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ata
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
atm
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
auxdisplay
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
base
linux-kselftest-kunit-5.8-rc1
2020-06-09 10:04:47 -07:00
bcma
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block
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
bluetooth
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
bus
Char/Misc driver patches for 5.8-rc1
2020-06-07 10:59:32 -07:00
cdrom
Merge branch 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-06-10 16:05:54 -07:00
char
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
clk
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
clocksource
clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
2020-06-09 19:11:22 -07:00
connector
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
counter
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cpufreq
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
cpuidle
- Add the hwmon support on the i.MX SC (Anson Huang)
2020-06-12 14:10:21 -07:00
crypto
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
dax
device-dax: add memory via add_memory_driver_managed()
2020-06-04 19:06:23 -07:00
dca
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devfreq
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dio
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dma
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
dma-buf
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
edac
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
eisa
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
extcon
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firewire
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firmware
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
fpga
Char/Misc driver patches for 5.8-rc1
2020-06-07 10:59:32 -07:00
fsi
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
gnss
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
gpio
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
gpu
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
greybus
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
hid
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
hsi
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
hv
hyperv-next for 5.8
2020-06-03 15:00:05 -07:00
hwmon
Merge branch 'x86/entry' into ras/core
2020-06-11 15:17:57 +02:00
hwspinlock
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hwtracing
Char/Misc driver patches for 5.8-rc1
2020-06-07 10:59:32 -07:00
i2c
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
i3c
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ide
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
idle
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iio
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
infiniband
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
input
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
interconnect
More power management updates for 5.8-rc1
2020-06-10 14:04:39 -07:00
iommu
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
ipack
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
irqchip
clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
2020-06-09 19:11:22 -07:00
isdn
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
leds
LEDs pull request for 5.8-rc1.
2020-06-04 11:03:45 -07:00
lightnvm
for-5.8/block-2020-06-01
2020-06-02 15:29:19 -07:00
macintosh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mailbox
mailbox: qcom: Add ipq6018 apcs compatible
2020-06-10 22:43:57 -05:00
mcb
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md
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
media
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
memory
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memstick
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message
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mfd
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
misc
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
mmc
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
most
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mtd
This pull request contains a single change for UBI:
2020-06-10 13:24:40 -07:00
mux
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net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-06-13 16:27:13 -07:00
nfc
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ntb
NTB: perf: Fix race condition when run with ntb_test
2020-06-05 20:02:09 -04:00
nubus
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nvdimm
libnvdimm for 5.8
2020-06-13 13:04:36 -07:00
nvme
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
nvmem
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of
Driver core patches for 5.8-rc1
2020-06-07 10:53:36 -07:00
opp
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
oprofile
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
parisc
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parport
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
pci
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
pcmcia
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
perf
arm64 merge window fixes for -rc1
2020-06-11 12:53:23 -07:00
phy
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pinctrl
This is the bulk of pin control changes for the v5.8
2020-06-07 16:13:43 -07:00
platform
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
pnp
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
power
power supply and reset changes for the v5.8 series
2020-06-10 11:28:35 -07:00
powercap
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
pps
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ps3
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ptp
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
pwm
pwm: Add missing "CONFIG_" prefix
2020-06-04 19:09:28 +02:00
rapidio
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
ras
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regulator
Merge remote-tracking branch 'regulator/for-5.8' into regulator-linus
2020-06-01 13:01:44 +01:00
remoteproc
remoteproc updates for v5.8
2020-06-08 13:01:08 -07:00
reset
Char/Misc driver patches for 5.8-rc1
2020-06-07 10:59:32 -07:00
rpmsg
remoteproc updates for v5.8
2020-06-08 13:01:08 -07:00
rtc
RTC for 5.8
2020-06-07 16:11:23 -07:00
s390
s390/qdio: fine-tune SLSB update
2020-06-16 13:44:03 +02:00
sbus
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
scsi
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
sfi
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
sh
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siox
…
slimbus
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soc
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
soundwire
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spi
Char/Misc driver patches for 5.8-rc1
2020-06-07 10:59:32 -07:00
spmi
…
ssb
…
staging
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
target
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
tc
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tee
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
thermal
- Add the hwmon support on the i.MX SC (Anson Huang)
2020-06-12 14:10:21 -07:00
thunderbolt
USB/PHY driver updates for 5.8-rc1
2020-06-07 09:42:16 -07:00
tty
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
uio
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usb
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
vdpa
ifcvf: implement config interrupt in IFCVF
2020-06-06 16:26:47 -04:00
vfio
kernel: better document the use_mm/unuse_mm API contract
2020-06-10 19:14:18 -07:00
vhost
Kbuild updates for v5.8 (2nd)
2020-06-13 13:29:16 -07:00
video
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
virt
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
virtio
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
visorbus
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
vlynq
…
vme
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
w1
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
watchdog
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
xen
The X86 entry, exception and interrupt code rework
2020-06-13 10:05:47 -07:00
zorro
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Kconfig
…
Makefile
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