The current implementation of the driver holds a spin lock for the
duration of the transfer, releasing it only to enable interrupts for
short periods of time. As this would prevent any interrupt from
happening, this could cause system performance issues every time a SPI
message is sent. Since the spi core now handles message syncronization
we can reduce the amount of time the spin-lock is held to the regions
where both the calling thread and the interrupt might interract.
Signed-off-by: Dan Sneddon <dan.sneddon@microchip.com>
Link: https://lore.kernel.org/r/20210602160816.4890-2-dan.sneddon@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit 571e31fa60 ("spi: bcm2835: Cache CS register value for
->prepare_message()"), the number of slaves has been limited by a
compile-time constant. This was necessitated by statically-sized
arrays in the driver private data which contain per-slave register
values.
As suggested by Mark, move those register values to a per-slave
controller_state which is allocated on ->setup and freed on ->cleanup.
The limitation on the number of slaves is thus lifted.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: Joe Burmeister <joe.burmeister@devtank.co.uk>
Cc: Phil Elwell <phil@raspberrypi.com>
Link: https://lore.kernel.org/r/a847c01f09400801e74e0630bf5a0197591554da.1622150204.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit c7299fea67 ("spi: Fix spi device unregister flow") changed the
SPI core's behavior if the ->setup() hook returns an error upon adding
an spi_device: Before, the ->cleanup() hook was invoked to free any
allocations that were made by ->setup(). With the commit, that's no
longer the case, so the ->setup() hook is expected to free the
allocations itself.
I've identified 5 drivers which depend on the old behavior and am fixing
them up hereinafter: spi-bitbang.c spi-fsl-spi.c spi-omap-uwire.c
spi-omap2-mcspi.c spi-pxa2xx.c
Importantly, ->setup() is not only invoked on spi_device *addition*:
It may subsequently be called to *change* SPI parameters. If changing
these SPI parameters fails, freeing memory allocations would be wrong.
That should only be done if the spi_device is finally destroyed.
I am therefore using a bool "initial_setup" in 4 of the affected drivers
to differentiate between the invocation on *adding* the spi_device and
any subsequent invocations: spi-bitbang.c spi-fsl-spi.c spi-omap-uwire.c
spi-omap2-mcspi.c
In spi-pxa2xx.c, it seems the ->setup() hook can only fail on spi_device
addition, not any subsequent calls. It therefore doesn't need the bool.
It's worth noting that 5 other drivers already perform a cleanup if the
->setup() hook fails. Before c7299fea67, they caused a double-free
if ->setup() failed on spi_device addition. Since the commit, they're
fine. These drivers are: spi-mpc512x-psc.c spi-pl022.c spi-s3c64xx.c
spi-st-ssc4.c spi-tegra114.c
(spi-pxa2xx.c also already performs a cleanup, but only in one of
several error paths.)
Fixes: c7299fea67 ("spi: Fix spi device unregister flow")
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: Saravana Kannan <saravanak@google.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # pxa2xx
Link: https://lore.kernel.org/r/f76a0599469f265b69c371538794101fa37b5536.1622149321.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
It is helpful to see what state of CS signal was during one
or another SPI operation. All the same for SPI setup.
Enable tracing of the SPI setup and CS selection.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Message-Id: <20210526195655.75691-1-andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
All chipsets from AR7100 up to QCA9563 have three dedicated chipselect
lines for the integrated SPI controller. Set the number of chipselect
lines available on the controller to this value.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20210522074453.39299-2-mail@david-bauer.net
Signed-off-by: Mark Brown <broonie@kernel.org>
The ath79 platform has been converted to pure OF. The platform data is
not needed anymore because of this.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20210522074453.39299-1-mail@david-bauer.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 571e31fa60 ("spi: bcm2835: Cache CS register value for
->prepare_message()") limited the number of slaves to 3 at compile-time.
The limitation was necessitated by a statically-sized array prepare_cs[]
in the driver private data which contains a per-slave register value.
The commit sought to enforce the limitation at run-time by setting the
controller's num_chipselect to 3: Slaves with a higher chipselect are
rejected by spi_add_device().
However the commit neglected that num_chipselect only limits the number
of *native* chipselects. If GPIO chipselects are specified in the
device tree for more than 3 slaves, num_chipselect is silently raised by
of_spi_get_gpio_numbers() and the result are out-of-bounds accesses to
the statically-sized array prepare_cs[].
As a bandaid fix which is backportable to stable, raise the number of
allowed slaves to 24 (which "ought to be enough for anybody"), enforce
the limitation on slave ->setup and revert num_chipselect to 3 (which is
the number of native chipselects supported by the controller).
An upcoming for-next commit will allow an arbitrary number of slaves.
Fixes: 571e31fa60 ("spi: bcm2835: Cache CS register value for ->prepare_message()")
Reported-by: Joe Burmeister <joe.burmeister@devtank.co.uk>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: stable@vger.kernel.org # v5.4+
Cc: Phil Elwell <phil@raspberrypi.com>
Link: https://lore.kernel.org/r/75854affc1923309fde05e47494263bde73e5592.1621703210.git.lukas@wunner.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Allow SPI peripherals attached to this controller to know what is the
maximum transfer size and message size, so they can limit their transfer
lengths properly in case they are otherwise capable of larger transfer
sizes. For the sc18is602, this is 200 bytes in both cases, since as far
as I understand, it isn't possible to tell the controller to keep the
chip select asserted after the STOP command is sent.
The controller can support SPI messages larger than 200 bytes if
cs_change is set for individual transfers such that the portions with
chip select asserted are never longer than 200 bytes. What is not
supported is just SPI messages with a continuous chip select larger than
200. I don't think it is possible to express this using the current API,
so drivers which do send SPI messages with cs_change can safely just
look at the max_transfer_size limit.
An example of user for this is sja1105_xfer() in
drivers/net/dsa/sja1105/sja1105_spi.c which sends by default 64 * 4 =
256 byte transfers.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20210520131238.2903024-3-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
For each spi_message, the sc18is602 I2C-to-SPI bridge driver checks the
length of each spi_transfer against 200 (the size of the chip's internal
buffer) minus hw->tlen (the number of bytes transferred so far).
The first byte of the transferred data is the Function ID (the SPI
slave's chip select) and as per the documentation of the chip:
https://www.nxp.com/docs/en/data-sheet/SC18IS602B.pdf
the data buffer is up to 200 bytes deep _without_ accounting for the
Function ID byte.
However, in sc18is602_txrx(), the driver keeps the Function ID as part
of the buffer, and increments hw->tlen from 0 to 1. Combined with the
check in sc18is602_check_transfer, this prevents us from issuing a
transfer that has exactly 200 bytes in size, but only 199.
Adjust the check function to reflect that the Function ID is not part of
the 200 byte deep data buffer.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20210520131238.2903024-2-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-8-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-7-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-6-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-5-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-4-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-3-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Fix missing parenthesis of sizeof reported by checkpatch.pl:
WARNING: sizeof *pp should be sizeof(*pp).
The kernel coding style suggests thinking of sizeof as a function
and add parenthesis.
Cc: Kaiwan N Billimoria <kaiwan@designergraphix.com>
Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com>
Link: https://lore.kernel.org/r/1621301902-64158-2-git-send-email-songzhiqi1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
One of the author names got an invalid char, probably due to
a bad charset conversion, being replaced by the
REPLACEMENT CHARACTER U+fffd ('�').
Use the author's e-mail has the characters without accents,
as also used at the .mailmap file.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/ff8d296e1fdcc4f1c6df94434a5720bcedcd0ecf.1621412009.git.mchehab+huawei@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The predefined mask for threshold modification can be used
in case of Intel Merrifield SPI. Replace open-coded value
with predefined mask when programming FIFO thresholds.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Update documentation by pointing out that it's applicable mostly
for a legacy platform. While at it, add couple of points with regard
to ACPI, Device Tree, and automatic DMA enablement.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The struct chip_data had been introduced in order to keep the parameters
that may be provided on stack during device allocation. There is no need
to duplicate parameters there, which are carried on by SPI device itself.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SPI core may utilize properties and resources provided by the parent device.
Propagate firmware node to the child SPI controller device for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210517140351.901-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The recent conversion of the common MTD properties to YAML now mandates
a particular node name for SPI flash devices.
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210517153946.9502-1-michael@walle.cc
Signed-off-by: Mark Brown <broonie@kernel.org>
Here are 2 driver fixes for driver core changes that happened in
5.13-rc1.
The clk driver fix resolves a many-reported issue with booting some
devices, and the USB typec fix resolves the reported problem of USB
systems on some embedded boards.
Both of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYKDc2A8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ylF8QCeIeAZ24HKyzGiS2CPYHEHBdiip40An1eefar7
WvvZuHQCZV3gfVEHdVpp
=jCwI
-----END PGP SIGNATURE-----
Merge tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two driver fixes for driver core changes that happened in
5.13-rc1.
The clk driver fix resolves a many-reported issue with booting some
devices, and the USB typec fix resolves the reported problem of USB
systems on some embedded boards.
Both of these have been in linux-next this week with no reported
issues"
* tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
clk: Skip clk provider registration when np is NULL
usb: typec: tcpm: Don't block probing of consumers of "connector" nodes
Here are some small IIO driver fixes and one Staging driver fix for
5.13-rc2.
Nothing major, just some resolutions for reported problems:
- gcc11 bogus warning fix for rtl8723bs
- iio driver tiny fixes
All of these have been in linux-next for many days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYKDcQA8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yk8hQCg0+YRIUZfhBm1qUiq9JuTBr62kM8An2qYpr9Q
8iiAoBETOYo5P5HByG52
=Dyx9
-----END PGP SIGNATURE-----
Merge tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes and one Staging driver fix for
5.13-rc2.
Nothing major, just some resolutions for reported problems:
- gcc-11 bogus warning fix for rtl8723bs
- iio driver tiny fixes
All of these have been in linux-next for many days with no reported
issues"
* tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: tsl2583: Fix division by a zero lux_val
iio: core: return ENODEV if ioctl is unknown
iio: core: fix ioctl handlers removal
iio: gyro: mpu3050: Fix reported temperature value
iio: hid-sensors: select IIO_TRIGGERED_BUFFER under HID_SENSOR_IIO_TRIGGER
iio: proximity: pulsedlight: Fix rumtime PM imbalance on error
iio: light: gp2ap002: Fix rumtime PM imbalance on error
staging: rtl8723bs: avoid bogus gcc warning
Here are some small USB fixes for 5.13-rc2. They consist of a number of
resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYKDexQ8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+yk72gCffEE5ZfO64iFqARPx9Mim04YaSDUAnRJM1mBk
dsRT2X0yddqdKek6fN+g
=C9x7
-----END PGP SIGNATURE-----
Merge tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.13-rc2. They consist of a number
of resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues"
* tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
usb: core: hub: fix race condition about TRSMRCY of resume
usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
xhci: Add reset resume quirk for AMD xhci controller.
usb: xhci: Increase timeout for HC halt
xhci: Do not use GFP_KERNEL in (potentially) atomic context
xhci: Fix giving back cancelled URBs even if halted endpoint can't reset
xhci-pci: Allow host runtime PM as default for Intel Alder Lake xHCI
usb: musb: Fix an error message
usb: typec: tcpm: Fix wrong handling for Not_Supported in VDM AMS
usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work
usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4
usb: fotg210-hcd: Fix an error message
docs: usb: function: Modify path name
usb: dwc3: omap: improve extcon initialization
usb: typec: ucsi: Put fwnode in any case during ->probe()
usb: typec: tcpm: Fix wrong handling in GET_SINK_CAP
usb: dwc2: Remove obsolete MODULE_ constants from platform.c
usb: dwc3: imx8mp: fix error return code in dwc3_imx8mp_probe()
usb: dwc3: imx8mp: detect dwc3 core node via compatible string
usb: dwc3: gadget: Return success always for kick transfer in ep queue
...
- Use the ALARM feature check in the alarmtimer core code insted of
the old method of checking for the set_alarm() callback. Drivers
can have that callback set but the feature bit cleared. If such
a RTC device is selected then alarms wont work.
- Use a proper define to let the preprocessor check whether Hyper-V VDSO
clocksource should be active. The code used a constant in an enum with
#ifdef, which evaluates to always false and disabled the clocksource
for VDSO.
-----BEGIN PGP SIGNATURE-----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=TruV
-----END PGP SIGNATURE-----
Merge tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two fixes for timers:
- Use the ALARM feature check in the alarmtimer core code insted of
the old method of checking for the set_alarm() callback.
Drivers can have that callback set but the feature bit cleared. If
such a RTC device is selected then alarms wont work.
- Use a proper define to let the preprocessor check whether Hyper-V
VDSO clocksource should be active.
The code used a constant in an enum with #ifdef, which evaluates to
always false and disabled the clocksource for VDSO"
* tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/hyper-v: Re-enable VDSO_CLOCKMODE_HVCLOCK on X86
alarmtimer: Check RTC features instead of ops
-----BEGIN PGP SIGNATURE-----
iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCYKC7SQAKCRCAXGG7T9hj
vpmTAQCmz5LvFHN9eAfq5jwz4cMvrN5h8aWnZjChgiAFZl0T7wD/TEDjtK18piUM
xWjZDUefMonnk0U8+bPityDmt8UV2AI=
=KFFw
-----END PGP SIGNATURE-----
Merge tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- two patches for error path fixes
- a small series for fixing a regression with swiotlb with Xen on Arm
* tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/swiotlb: check if the swiotlb has already been initialized
arm64: do not set SWIOTLB_NO_FORCE when swiotlb is required
xen/arm: move xen_swiotlb_detect to arm/swiotlb-xen.h
xen/unpopulated-alloc: fix error return code in fill_list()
xen/gntdev: fix gntdev_mmap() error exit path
- Reorganize SEV code to streamline and simplify future development
-----BEGIN PGP SIGNATURE-----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=ENfF
-----END PGP SIGNATURE-----
Merge tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"The three SEV commits are not really urgent material. But we figured
since getting them in now will avoid a huge amount of conflicts
between future SEV changes touching tip, the kvm and probably other
trees, sending them to you now would be best.
The idea is that the tip, kvm etc branches for 5.14 will all base
ontop of -rc2 and thus everything will be peachy. What is more, those
changes are purely mechanical and defines movement so they should be
fine to go now (famous last words).
Summary:
- Enable -Wundef for the compressed kernel build stage
- Reorganize SEV code to streamline and simplify future development"
* tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/compressed: Enable -Wundef
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
x86/sev: Move GHCB MSR protocol and NAE definitions in a common header
x86/sev-es: Rename sev-es.{ch} to sev.{ch}
- Fix a regression in the conversion of the 64-bit BookE interrupt entry to C.
- Fix KVM hosts running with the hash MMU since the recent KVM gfn changes.
- Fix a deadlock in our paravirt spinlocks when hcall tracing is enabled.
- Several fixes for oopses in our runtime code patching for security mitigations.
- A couple of minor fixes for the recent conversion of 32-bit interrupt entry/exit to C.
- Fix __get_user() causing spurious crashes in sigreturn due to a bad inline asm
constraint, spotted with GCC 11.
- A fix for the way we track IRQ masking state vs NMI interrupts when using the new scv
system call entry path.
- A couple more minor fixes.
Thanks to: Cédric Le Goater, Christian Zigotzky, Christophe Leroy, Naveen N. Rao, Nicholas
Piggin Paul Menzel, Sean Christopherson.
-----BEGIN PGP SIGNATURE-----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=V7PP
-----END PGP SIGNATURE-----
Merge tag 'powerpc-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a regression in the conversion of the 64-bit BookE interrupt
entry to C.
- Fix KVM hosts running with the hash MMU since the recent KVM gfn
changes.
- Fix a deadlock in our paravirt spinlocks when hcall tracing is
enabled.
- Several fixes for oopses in our runtime code patching for security
mitigations.
- A couple of minor fixes for the recent conversion of 32-bit interrupt
entry/exit to C.
- Fix __get_user() causing spurious crashes in sigreturn due to a bad
inline asm constraint, spotted with GCC 11.
- A fix for the way we track IRQ masking state vs NMI interrupts when
using the new scv system call entry path.
- A couple more minor fixes.
Thanks to Cédric Le Goater, Christian Zigotzky, Christophe Leroy,
Naveen N. Rao, Nicholas Piggin Paul Menzel, and Sean Christopherson.
* tag 'powerpc-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64e/interrupt: Fix nvgprs being clobbered
powerpc/64s: Make NMI record implicitly soft-masked code as irqs disabled
powerpc/64s: Fix stf mitigation patching w/strict RWX & hash
powerpc/64s: Fix entry flush patching w/strict RWX & hash
powerpc/64s: Fix crashes when toggling entry flush barrier
powerpc/64s: Fix crashes when toggling stf barrier
KVM: PPC: Book3S HV: Fix kvm_unmap_gfn_range_hv() for Hash MMU
powerpc/legacy_serial: Fix UBSAN: array-index-out-of-bounds
powerpc/signal: Fix possible build failure with unsafe_copy_fpr_{to/from}_user
powerpc/uaccess: Fix __get_user() with CONFIG_CC_HAS_ASM_GOTO_OUTPUT
powerpc/pseries: warn if recursing into the hcall tracing code
powerpc/pseries: use notrace hcall variant for H_CEDE idle
powerpc/pseries: Don't trace hcall tracing wrapper
powerpc/pseries: Fix hcall tracing recursion in pv queued spinlocks
powerpc/syscall: Calling kuap_save_and_lock() is wrong
powerpc/interrupts: Fix kuep_unlock() call
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=Ggm4
-----END PGP SIGNATURE-----
Merge tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Fix an idle CPU selection bug, and an AMD Ryzen maximum frequency
enumeration bug"
* tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, sched: Fix the AMD CPPC maximum performance value on certain AMD Ryzen generations
sched/fair: Fix clearing of has_idle_cores flag in select_idle_cpu()
Merge misc fixes from Andrew Morton:
"13 patches.
Subsystems affected by this patch series: resource, squashfs, hfsplus,
modprobe, and mm (hugetlb, slub, userfaultfd, ksm, pagealloc, kasan,
pagemap, and ioremap)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/ioremap: fix iomap_max_page_shift
docs: admin-guide: update description for kernel.modprobe sysctl
hfsplus: prevent corruption in shrinking truncate
mm/filemap: fix readahead return types
kasan: fix unit tests with CONFIG_UBSAN_LOCAL_BOUNDS enabled
mm: fix struct page layout on 32-bit systems
ksm: revert "use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree()"
userfaultfd: release page in error path to avoid BUG_ON
squashfs: fix divide error in calculate_skip()
kernel/resource: fix return code check in __request_free_mem_region
mm, slub: move slub_debug static key enabling outside slab_mutex
mm/hugetlb: fix cow where page writtable in child
mm/hugetlb: fix F_SEAL_FUTURE_WRITE
-----BEGIN PGP SIGNATURE-----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=JpHn
-----END PGP SIGNATURE-----
Merge tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Fix for shared tag set exit (Bart)
- Correct ioctl range for zoned ioctls (Damien)
- Removed dead/unused function (Lin)
- Fix perf regression for shared tags (Ming)
- Fix out-of-bounds issue with kyber and preemption (Omar)
- BFQ merge fix (Paolo)
- Two error handling fixes for nbd (Sun)
- Fix weight update in blk-iocost (Tejun)
- NVMe pull request (Christoph):
- correct the check for using the inline bio in nvmet (Chaitanya
Kulkarni)
- demote unsupported command warnings (Chaitanya Kulkarni)
- fix corruption due to double initializing ANA state (me, Hou Pu)
- reset ns->file when open fails (Daniel Wagner)
- fix a NULL deref when SEND is completed with error in nvmet-rdma
(Michal Kalderon)
- Fix kernel-doc warning (Bart)
* tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block:
block/partitions/efi.c: Fix the efi_partition() kernel-doc header
blk-mq: Swap two calls in blk_mq_exit_queue()
blk-mq: plug request for shared sbitmap
nvmet: use new ana_log_size instead the old one
nvmet: seset ns->file when open fails
nbd: share nbd_put and return by goto put_nbd
nbd: Fix NULL pointer in flush_workqueue
blkdev.h: remove unused codes blk_account_rq
block, bfq: avoid circular stable merges
blk-iocost: fix weight updates of inner active iocgs
nvmet: demote fabrics cmd parse err msg to debug
nvmet: use helper to remove the duplicate code
nvmet: demote discovery cmd parse err msg to debug
nvmet-rdma: Fix NULL deref when SEND is completed with error
nvmet: fix inline bio check for passthru
nvmet: fix inline bio check for bdev-ns
nvme-multipath: fix double initialization of ANA state
kyber: fix out of bounds access when preempted
block: uapi: fix comment about block device ioctl
-----BEGIN PGP SIGNATURE-----
iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmCew+oQHGF4Ym9lQGtl
cm5lbC5kawAKCRD301j7KXHgpnAAD/0RGU6BTpYX0AjSuHtHPsGxAWlLroe7Yvew
BBXX58uL9LqSYDe+FfCherA7GbyLdXrN9yvbeKVEZH7wmFV0u6dGX/RiK8lpWvfd
pMTSf14QkASkoQ5bMQURdSv73OruzKQN7CisN3btwD2sDcqZqz7RsFuWf5Fuxs4r
UjyQdJpt+sNs1UTvHBjqQcCrAipEVWePH93/jhayx8iBykab4+aNKFtysjqYJdD0
LL5NG5LihP5G2WECD5Q7vDmb9+km3cN5TJLhHSDsmQg4Ln6U9zd4X3bnvEXNtlWk
edNNhKVmS8rtwK2qiZCoVlR4HrSjCCjUg/0h6hyOL8AYNV9vPup/0EuWfRKxLE+3
l3TRTO02/SM8Tjdu27lYtxFYnIkIgRv+w2/ZmURzwnPpIvjwbdfth5DN+10bFnUV
IPKcEvMXhbgdyQ5OtA1oPk3udWesrk836s2W6kqBLSEeqFrb0UbI8A40VXxoAfVQ
Ig5LmuuDAlZzt4fCu3GYhVZS1jj2CXuBsGrsbSVZaJGbMu9MPbmMUoz6XBS3lsY6
gnhYv2paMuOo/hD6q4XeCH4j1jveLXgzenW3fzEP4E0wxfvMkybyWCwfW14a15Q+
Sr8VEEUTc74RfW5pP0ZTvrYGnR+oJwB1RacdbU5WpOrB01A5bWkmb0fRNHfj8vjH
h49oIdqZKw==
=5+hs
-----END PGP SIGNATURE-----
Merge tag 'io_uring-5.13-2021-05-14' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Just a few minor fixes/changes:
- Fix issue with double free race for linked timeout completions
- Fix reference issue with timeouts
- Remove last few places that make SQPOLL special, since it's just an
io thread now.
- Bump maximum allowed registered buffers, as we don't allocate as
much anymore"
* tag 'io_uring-5.13-2021-05-14' of git://git.kernel.dk/linux-block:
io_uring: increase max number of reg buffers
io_uring: further remove sqpoll limits on opcodes
io_uring: fix ltout double free on completion race
io_uring: fix link timeout refs
- update documentation to fix the broken illustration due to ReST
conversion by accident at that time and complete the big pcluster
introduction;
- fix 1 lcluster-sized pclusters for the big pcluster feature.
-----BEGIN PGP SIGNATURE-----
iIcEABYIAC8WIQThPAmQN9sSA0DVxtI5NzHcH7XmBAUCYJ8DGBEceGlhbmdAa2Vy
bmVsLm9yZwAKCRA5NzHcH7XmBAC0AQDaap8fSTWMLroLLBCcr1MwTqoS6wf44tx8
iq2FFcU/hQD+PqrnCFJW7wjWjMC84weOudRvh2/lu/GKH2a5LgJ5Xgs=
=UTkq
-----END PGP SIGNATURE-----
Merge tag 'erofs-for-5.13-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"This mainly fixes 1 lcluster-sized pclusters for the big pcluster
feature, which can be forcely generated by mkfs as a specific on-disk
case for per-(sub)file compression strategies but missed to handle in
runtime properly.
Also, documentation updates are included to fix the broken
illustration due to the ReST conversion by accident and complete the
big pcluster introduction.
Summary:
- update documentation to fix the broken illustration due to ReST
conversion by accident at that time and complete the big pcluster
introduction
- fix 1 lcluster-sized pclusters for the big pcluster feature"
* tag 'erofs-for-5.13-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix 1 lcluster-sized pcluster for big pcluster
erofs: update documentation about data compression
erofs: fix broken illustration in documentation
