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02ca144fa4
linux/drivers
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Johan Hovold 02ca144fa4 tty: mxser: drop low-latency workaround 
Commit 67d2bc58af ("Char: mxser_new, fix recursive locking") worked
around the infamous low_latency behaviour of tty_flip_buffer_push() by
simply dropping and reacquiring the port lock in the interrupt handler.

Since commit a9c3f68f3c ("tty: Fix low_latency BUG"),
tty_flip_buffer_push() always schedules a work item to push data to the
line discipline and there's no need to keep any low_latency hacks around.

Link: https://lore.kernel.org/lkml/3018694794025219@wsc.cz/T/#m06b04c640a7b6f41afb3d34a4cf29b1df4935d3a
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210421095509.3024-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-22 12:09:24 +02:00
..
accessibility tty: remove TTY_LDISC_MAGIC 2021-03-10 09:34:06 +01:00
acpi Merge branches 'acpi-tables' and 'acpi-scan' 2021-04-02 16:57:56 +02:00
amba
android
ata
atm module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
auxdisplay auxdisplay: Remove in_interrupt() usage. 2021-03-16 16:32:40 +01:00
base Driver core fix for 5.12-rc6 2021-04-03 10:14:47 -07:00
bcma
block block-5.12-2021-04-02 2021-04-02 16:13:13 -07:00
bluetooth Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
bus Fixes for omaps for v5.12-rc cycle 2021-03-18 23:52:27 +01:00
cdrom
char ttyprintk: Add TTY hangup callback. 2021-04-22 12:01:26 +02:00
clk clk: qcom: gcc-sc7180: Use floor ops for the correct sdcc1 clk 2021-03-13 13:00:05 -08:00
clocksource A small set of clockevent fixes which fell through the cracks 2021-02-22 14:11:36 -08:00
connector
counter counter: stm32-timer-cnt: fix ceiling miss-alignment with reload register 2021-03-06 16:48:09 +00:00
cpufreq cpufreq: Fix scaling_{available,boost}_frequencies_show() comments 2021-03-26 17:43:48 +01:00
cpuidle
crypto vio: make remove callback return void 2021-03-02 22:41:23 +11:00
cxl cxl/mem: Fix potential memory leak 2021-02-22 14:44:39 -08:00
dax Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-02-27 08:07:12 -08:00
dca
devfreq Merge branches 'pm-devfreq' and 'pm-tools' 2021-02-15 17:02:04 +01:00
dio
dma dmaengine updates for v5.12-rc1 2021-02-23 15:05:10 -08:00
dma-buf dma-fence: allow signaling drivers to set fence timestamp 2021-02-24 21:05:28 +05:30
edac Merge branch 'edac-misc' into edac-updates-for-v5.12 2021-02-15 10:06:58 +01:00
eisa
extcon extcon: Fix error handling in extcon_dev_register 2021-03-15 11:09:38 +09:00
firewire firewire: nosy: Fix a use-after-free bug in nosy_ioctl() 2021-04-04 14:05:45 -07:00
firmware Another couple of EFI fixes for v5.12-rc: 2021-03-19 14:23:46 +01:00
fpga
fsi
gnss
gpio gpiolib: Assign fwnode to parent's if no primary one provided 2021-03-16 10:18:08 +01:00
gpu drm/imx: imx-drm-core and imx-ldb fixes 2021-04-02 04:53:16 +10:00
greybus
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2021-02-23 14:52:22 -08:00
hsi
hv mm/memory_hotplug: MEMHP_MERGE_RESOURCE -> MHP_MERGE_RESOURCE 2021-02-26 09:41:00 -08:00
hwmon Devicetree updates for v5.12: 2021-02-22 10:05:12 -08:00
hwspinlock hwspinlock: omap: Add support for K3 AM64x SoCs 2021-02-09 11:36:50 -06:00
hwtracing ARM updates for 5.12-rc1: 2021-02-22 14:27:07 -08:00
i2c i2c: exynos5: Preserve high speed master code 2021-02-26 11:47:42 +01:00
i3c I3C for 5.12 2021-02-22 09:52:55 -08:00
ide ide-5.11-2021-02-28 2021-02-28 15:48:25 -08:00
idle
iio First set of IIO and counter fixes for the 5.12 cycle 2021-03-15 16:34:39 +01:00
infiniband RDMA 5.12 second rc pull request 2021-03-25 11:23:35 -07:00
input module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
interconnect interconnect: Fix kerneldoc warning 2021-03-18 23:46:21 +02:00
iommu iommu/tegra-smmu: Make tegra_smmu_probe_device() to handle all IOMMU phandles 2021-03-18 11:31:12 +01:00
ipack ipack: Handle a driver without remove callback 2021-02-09 09:48:23 +01:00
irqchip irqchip/stm32: add usart instances exti direct event support 2021-03-23 10:28:18 +01:00
isdn isdn: capi: fix mismatched prototypes 2021-03-22 16:51:11 -07:00
leds leds: trigger/tty: Use led_set_brightness_sync() from workqueue 2021-03-10 09:27:56 +01:00
lightnvm lightnvm: pblk: Replace guid_copy() with export_guid()/import_guid() 2021-02-14 21:27:24 -07:00
macintosh
mailbox mailbox: arm_mhuv2: Skip calling kfree() with invalid pointer 2021-02-22 13:34:27 -06:00
mcb
md dm ioctl: fix out of bounds array access when no devices 2021-03-26 14:51:50 -04:00
media module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
memory Char/Misc driver patches for 5.12-rc1 2021-02-24 10:25:37 -08:00
memstick
message
mfd mfd: intel_quark_i2c_gpio: Revert "Constify static struct resources" 2021-03-23 09:14:12 +00:00
misc Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
mmc mmc: cqhci: Fix random crash when remove mmc module/card 2021-03-09 10:00:52 +01:00
most
mtd module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
mux
net Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
nfc Char/Misc driver patches for 5.12-rc1 2021-02-24 10:25:37 -08:00
ntb NTB: Add support for EPF PCI Non-Transparent Bridge 2021-02-23 14:12:53 -06:00
nubus
nvdimm libnvdimm + device-dax for 5.12 2021-02-24 09:35:54 -08:00
nvme nvmet-tcp: fix kmap leak when data digest in use 2021-03-18 05:39:18 +01:00
nvmem nvmem: qcom-spmi-sdam: Fix uninitialized pdev pointer 2021-02-05 11:25:52 +01:00
of Char/Misc driver patches for 5.12-rc1 2021-02-24 10:25:37 -08:00
opp opp: Don't drop extra references to OPPs accidentally 2021-03-12 09:26:52 +05:30
parisc
parport module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
pci powerpc fixes for 5.12 #4 2021-03-21 10:57:35 -07:00
pcmcia Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux 2021-02-26 13:54:43 -08:00
perf perf/arm_dmc620_pmu: Fix error return code in dmc620_pmu_device_probe() 2021-03-12 11:30:31 +00:00
phy phy: second round of phy fixes for v5.11 2021-02-10 10:39:23 +01:00
pinctrl intel-pinctrl for v5.12-3 2021-03-30 00:46:49 +02:00
platform platform/x86: intel_pmc_core: Ignore GBE LTR on Tiger Lake platforms 2021-03-23 21:50:14 +01:00
pnp
power
powercap powercap/drivers/dtpm: Add the experimental label to the option description 2021-03-01 17:43:29 +01:00
pps tty: remove TTY_LDISC_MAGIC 2021-03-10 09:34:06 +01:00
ps3
ptp ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation 2021-03-24 12:10:03 -07:00
pwm pwm: Changes for v5.12-rc1 2021-02-25 12:23:49 -08:00
rapidio
ras
regulator regulator: mt6315: Fix off-by-one for .n_voltages 2021-03-11 13:23:21 +00:00
remoteproc remoteproc: qcom: pas: Add SM8350 PAS remoteprocs 2021-02-11 12:52:18 -06:00
reset RISC-V Patches for the 5.12 Merge Window 2021-02-26 10:28:35 -08:00
rpmsg
rtc Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-02-27 08:07:12 -08:00
s390 Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
sbus module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
scsi SCSI fixes on 20210402 2021-04-03 09:07:35 -07:00
sh module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
siox
slimbus
soc OpenRISC fix for 5.12 2021-04-03 15:42:45 -07:00
soundwire ALSA: hda: move Intel SoundWire ACPI scan to dedicated module 2021-03-02 15:33:00 +01:00
spi spi: cadence: set cqspi to the driver_data field of struct device 2021-03-11 13:32:32 +00:00
spmi spmi: spmi-pmic-arb: Fix hw_irq overflow 2021-02-12 12:26:46 +01:00
ssb
staging staging: greybus: uart: clean up TIOCGSERIAL 2021-04-07 17:22:07 +02:00
target scsi: target: pscsi: Clean up after failure in pscsi_map_sg() 2021-03-24 23:19:23 -04:00
tc
tee module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
thermal thermal/core: Add NULL pointer check before using cooling device stats 2021-03-17 09:55:58 +01:00
thunderbolt thunderbolt: Increase runtime PM reference count on DP tunnel discovery 2021-03-08 14:22:42 +03:00
tty tty: mxser: drop low-latency workaround 2021-04-22 12:09:24 +02:00
uio uio: uio_pci_generic: don't fail probe if pdev->irq equals to IRQ_NOTCONNECTED 2021-02-09 12:25:32 +01:00
usb Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
vdpa vdpa_sim: Skip typecasting from void* 2021-03-14 04:37:36 -04:00
vfio vfio/nvlink: Add missing SPAPR_TCE_IOMMU depends 2021-03-29 14:48:00 -06:00
vhost virtio: fixes, cleanups 2021-03-18 11:20:35 -07:00
video Merge 5.12-rc6 into tty-next 2021-04-05 08:59:21 +02:00
virt virt: acrn: Correct type casting of argument of copy_from_user() 2021-03-10 16:59:50 +01:00
virtio virtio: fixes, cleanups 2021-03-18 11:20:35 -07:00
visorbus
vlynq
vme vme: make remove callback return void 2021-02-09 12:15:07 +01:00
w1
watchdog module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
xen xen: branch for v5.12-rc5 2021-03-26 11:15:25 -07:00
zorro
Kconfig cxl/mem: Introduce a driver for CXL-2.0-Type-3 endpoints 2021-02-16 20:36:38 -08:00
Makefile Simple Firmware Interface (SFI) support removal for v5.12-rc1 2021-02-24 10:35:29 -08:00