With ARCH=m68k, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/dsp56k.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20240617-md-m68k-drivers-char-dsp56k-v1-1-56e435ffa664@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With ARCH=m68k, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/char/dtlk.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240617-md-m68k-drivers-char-dtlk-v1-1-a53a237f1f06@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_interruptible_timeout() causing patterns like:
timeout = wait_for_completion_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240604212240.4529-5-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240604212240.4529-4-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_event_interruptible_timeout() causing patterns like:
timeout = wait_event_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240604212240.4529-3-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_event_interruptible_timeout() causing patterns like:
timeout = wait_event_interruptible_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240604212240.4529-2-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When creating new binder references, the driver assigns a descriptor id
that is shared with userspace. Regrettably, the driver needs to keep the
descriptors small enough to accommodate userspace potentially using them
as Vector indexes. Currently, the driver performs a linear search on the
rb-tree of references to find the smallest available descriptor id. This
approach, however, scales poorly as the number of references grows.
This patch introduces the usage of bitmaps to boost the performance of
descriptor assignments. This optimization results in notable performance
gains, particularly in processes with a large number of references. The
following benchmark with 100,000 references showcases the difference in
latency between the dbitmap implementation and the legacy approach:
[ 587.145098] get_ref_desc_olocked: 15us (dbitmap on)
[ 602.788623] get_ref_desc_olocked: 47343us (dbitmap off)
Note the bitmap size is dynamically adjusted in line with the number of
references, ensuring efficient memory usage. In cases where growing the
bitmap is not possible, the driver falls back to the slow legacy method.
A previous attempt to solve this issue was proposed in [1]. However,
such method involved adding new ioctls which isn't great, plus older
userspace code would not have benefited from the optimizations either.
Link: https://lore.kernel.org/all/20240417191418.1341988-1-cmllamas@google.com/ [1]
Cc: Tim Murray <timmurray@google.com>
Cc: Arve Hjønnevåg <arve@android.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Martijn Coenen <maco@android.com>
Cc: Todd Kjos <tkjos@android.com>
Cc: John Stultz <jstultz@google.com>
Cc: Steven Moreland <smoreland@google.com>
Suggested-by: Nick Chen <chenjia3@oppo.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20240612042535.1556708-1-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Coresight/hwtracing subsystem updates targeting v6.11 includes a few minor
fixes and cleanups
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: Updates for v6.11
Coresight/hwtracing subsystem updates targeting v6.11 includes a few minor
fixes and cleanups
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux:
hwtracing: use for_each_endpoint_of_node()
coresight: constify the struct device_type usage
coresight: tmc: Remove duplicated include in coresight-tmc-core.c
coresight: Fix ref leak when of_coresight_parse_endpoint() fails
Primarily consists of cleanups and updates for ti-eqep; ti-eqep now
supports over/underflow events and can be build for K3 devices. In
addition, ftm-quaddec is updated to add a missing MODULE_DESCRIPTION()
macro.
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Merge tag 'counter-updates-for-6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter updates for 6.11
Primarily consists of cleanups and updates for ti-eqep; ti-eqep now
supports over/underflow events and can be build for K3 devices. In
addition, ftm-quaddec is updated to add a missing MODULE_DESCRIPTION()
macro.
* tag 'counter-updates-for-6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: ti-eqep: Allow eQEP driver to be built for K3 devices
counter/ti-eqep: Add new ti-am62-eqep compatible
dt-bindings: counter: Add new ti,am62-eqep compatible
counter: ti-eqep: remove counter_priv() wrapper
counter: ti-eqep: remove unused struct member
counter: ti-eqep: implement over/underflow events
counter: ftm-quaddec: add missing MODULE_DESCRIPTION() macro
Just two cleanups for W1 core code.
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Merge tag 'w1-drv-6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1 into char-misc-next
Krzysztof writes:
1-Wire bus drivers for v6.11
Just two cleanups for W1 core code.
* tag 'w1-drv-6.11' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1:
w1: Drop allocation error message
w1: Add missing newline and fix typos in w1_bus_master comment
FPGA unit test:
- Macro's change re-enables FPGA KUnit test suites been configured as
loadable module.
Altera:
- David's change removes unused structure definition.
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of our for-next branch).
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
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Merge tag 'fpga-for-6.11-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next
Xu writes:
FPGA Manager changes for 6.11-rc1
FPGA unit test:
- Macro's change re-enables FPGA KUnit test suites been configured as
loadable module.
Altera:
- David's change removes unused structure definition.
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of our for-next branch).
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
* tag 'fpga-for-6.11-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga:
fpga: altera-fpga2sdram: remove unused struct 'prop_map'
Revert "fpga: disable KUnit test suites when module support is enabled"
TI K3 SoC's support eQEP hardware, so add ARCH_K3 to the depends
so the TI eQEP driver can be built for K3 devices.
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/20240612135538.2447938-9-jm@ti.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
We already have for_each_endpoint_of_node(), don't use
of_graph_get_next_endpoint() directly. Replace it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/878qyl970c.wl-kuninori.morimoto.gx@renesas.com
Add new compatible for ti-am62-eqep for TI K3 SoC's.
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/20240612135538.2447938-3-jm@ti.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Add new compatible ti,am62-eqep for TI K3 devices. If a device
uses this compatible, require power-domains property.
Since there is only one functional and interface clock for eqep,
clock-names is not really required, so removed from required
section, make it optional for ti,am3352-eqep compatible, and
update the example.
The clock-name also changed for TI K3 SoCs so do not allow
clock-names property for the new compatible.
Signed-off-by: Judith Mendez <jm@ti.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: David Lechner <david@lechnology.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240612135538.2447938-2-jm@ti.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
The ti_eqep_count_from_counter() function is just a wrapper around
counter_priv(). counter_priv() can be used directly, so we don't need
the wrapper function. Remove it.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20240609-ti-eqep-cleanup-v1-2-9d67939c763a@baylibre.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Since commit 8817c2d03a ("counter: ti-eqep: Convert to counter_priv()
wrapper") the counter field in struct ti_eqep_cnt is not used anymore.
Remove it.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240609-ti-eqep-cleanup-v1-1-9d67939c763a@baylibre.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/counter/ftm-quaddec.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240602-md-ftm-quaddec-v1-1-1bbdf705ad31@quicinc.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
- Add NOLPM quirk for for all Crucial BX SSD1 models.
Considering that we now have had bug reports for 3 different BX SSD1
variants from Crucial with the same product name, make the quirk more
inclusive, to catch more device models from the same generation.
- Fix a trivial null pointer dereference in the error path for
ata_host_release().
- Create a ata_port_free(), so that we don't miss freeing ata_port struct
members when freeing a struct ata_port.
- Fix a trivial double free in the error path for ata_host_alloc().
- Ensure that we remove the libata "remapped NVMe device count" sysfs
entry on .probe() error.
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Merge tag 'ata-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Add NOLPM quirk for for all Crucial BX SSD1 models.
Considering that we now have had bug reports for 3 different BX SSD1
variants from Crucial with the same product name, make the quirk more
inclusive, to catch more device models from the same generation.
- Fix a trivial NULL pointer dereference in the error path for
ata_host_release().
- Create a ata_port_free(), so that we don't miss freeing ata_port
struct members when freeing a struct ata_port.
- Fix a trivial double free in the error path for ata_host_alloc().
- Ensure that we remove the libata "remapped NVMe device count" sysfs
entry on .probe() error.
* tag 'ata-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: ahci: Clean up sysfs file on error
ata: libata-core: Fix double free on error
ata,scsi: libata-core: Do not leak memory for ata_port struct members
ata: libata-core: Fix null pointer dereference on error
ata: libata-core: Add ATA_HORKAGE_NOLPM for all Crucial BX SSD1 models
.probe() (ahci_init_one()) calls sysfs_add_file_to_group(), however,
if probe() fails after this call, we currently never call
sysfs_remove_file_from_group().
(The sysfs_remove_file_from_group() call in .remove() (ahci_remove_one())
does not help, as .remove() is not called on .probe() error.)
Thus, if probe() fails after the sysfs_add_file_to_group() call, the next
time we insmod the module we will get:
sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:04.0/remapped_nvme'
CPU: 11 PID: 954 Comm: modprobe Not tainted 6.10.0-rc5 #43
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x5d/0x80
sysfs_warn_dup.cold+0x17/0x23
sysfs_add_file_mode_ns+0x11a/0x130
sysfs_add_file_to_group+0x7e/0xc0
ahci_init_one+0x31f/0xd40 [ahci]
Fixes: 894fba7f43 ("ata: ahci: Add sysfs attribute to show remapped NVMe device count")
Cc: stable@vger.kernel.org
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240629124210.181537-10-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
libsas is currently not freeing all the struct ata_port struct members,
e.g. ncq_sense_buf for a driver supporting Command Duration Limits (CDL).
Add a function, ata_port_free(), that is used to free a ata_port,
including its struct members. It makes sense to keep the code related to
freeing a ata_port in its own function, which will also free all the
struct members of struct ata_port.
Fixes: 18bd7718b5 ("scsi: ata: libata: Handle completion of CDL commands using policy 0xD")
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20240629124210.181537-8-cassel@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
- Remove the executable bit from installed DTB files
- Escape $ in subshell execution in the debian-orig target
- Fix RPM builds with CONFIG_MODULES=n
- Fix xconfig with the O= option
- Fix scripts_gdb with the O= option
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Merge tag 'kbuild-fixes-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Remove the executable bit from installed DTB files
- Escape $ in subshell execution in the debian-orig target
- Fix RPM builds with CONFIG_MODULES=n
- Fix xconfig with the O= option
- Fix scripts_gdb with the O= option
* tag 'kbuild-fixes-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: scripts/gdb: bring the "abspath" back
kbuild: Use $(obj)/%.cc to fix host C++ module builds
kbuild: rpm-pkg: fix build error with CONFIG_MODULES=n
kbuild: Fix build target deb-pkg: ln: failed to create hard link
kbuild: doc: Update default INSTALL_MOD_DIR from extra to updates
kbuild: Install dtb files as 0644 in Makefile.dtbinst
The kernel test robot reported that clang no longer compiles the 32-bit
x86 kernel in some configurations due to commit 95ece48165
("locking/atomic/x86: Rewrite x86_32 arch_atomic64_{,fetch}_{and,or,xor}()
functions").
The build fails with
arch/x86/include/asm/cmpxchg_32.h:149:9: error: inline assembly requires more registers than available
and the reason seems to be that not only does the cmpxchg8b instruction
need four fixed registers (EDX:EAX and ECX:EBX), with the emulation
fallback the inline asm also wants a fifth fixed register for the
address (it uses %esi for that, but that's just a software convention
with cmpxchg8b_emu).
Avoiding using another pointer input to the asm (and just forcing it to
use the "0(%esi)" addressing that we end up requiring for the sw
fallback) seems to fix the issue.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202406230912.F6XFIyA6-lkp@intel.com/
Fixes: 95ece48165 ("locking/atomic/x86: Rewrite x86_32 arch_atomic64_{,fetch}_{and,or,xor}() functions")
Link: https://lore.kernel.org/all/202406230912.F6XFIyA6-lkp@intel.com/
Suggested-by: Uros Bizjak <ubizjak@gmail.com>
Reviewed-and-Tested-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are some small driver fixes for 6.10-rc6. Included in here are:
- IIO driver fixes for reported issues
- Counter driver fix for a reported problem.
All of these have been in linux-next this week with no reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 6.10-rc6. Included in here are:
- IIO driver fixes for reported issues
- Counter driver fix for a reported problem.
All of these have been in linux-next this week with no reported
issues"
* tag 'char-misc-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
counter: ti-eqep: enable clock at probe
iio: chemical: bme680: Fix sensor data read operation
iio: chemical: bme680: Fix overflows in compensate() functions
iio: chemical: bme680: Fix calibration data variable
iio: chemical: bme680: Fix pressure value output
iio: humidity: hdc3020: fix hysteresis representation
iio: dac: fix ad9739a random config compile error
iio: accel: fxls8962af: select IIO_BUFFER & IIO_KFIFO_BUF
iio: adc: ad7266: Fix variable checking bug
iio: xilinx-ams: Don't include ams_ctrl_channels in scan_mask
Here are 2 small staging driver fixes for 6.10-rc6, both for the
vc04_services drivers:
- build fix if CONFIG_DEBUGFS was not set
- initialization check fix that was much reported.
Both of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for 6.10-rc6, both for the
vc04_services drivers:
- build fix if CONFIG_DEBUGFS was not set
- initialization check fix that was much reported.
Both of these have been in linux-next this week with no reported
issues"
* tag 'staging-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vchiq_debugfs: Fix build if CONFIG_DEBUG_FS is not set
staging: vc04_services: vchiq_arm: Fix initialisation check
Here are a bunch of fixes/reverts for 6.10-rc6. Include in here are:
- revert the bunch of tty/serial/console changes that landed in -rc1
that didn't quite work properly yet. Everyone agreed to just revert
them for now and will work on making them better for a future
release instead of trying to quick fix the existing changes this
late in the release cycle
- 8250 driver port count bugfix
- Other tiny serial port bugfixes for reported issues
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial / console fixes from Greg KH:
"Here are a bunch of fixes/reverts for 6.10-rc6. Include in here are:
- revert the bunch of tty/serial/console changes that landed in -rc1
that didn't quite work properly yet.
Everyone agreed to just revert them for now and will work on making
them better for a future release instead of trying to quick fix the
existing changes this late in the release cycle
- 8250 driver port count bugfix
- Other tiny serial port bugfixes for reported issues
All of these have been in linux-next this week with no reported
issues"
* tag 'tty-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "printk: Save console options for add_preferred_console_match()"
Revert "printk: Don't try to parse DEVNAME:0.0 console options"
Revert "printk: Flag register_console() if console is set on command line"
Revert "serial: core: Add support for DEVNAME:0.0 style naming for kernel console"
Revert "serial: core: Handle serial console options"
Revert "serial: 8250: Add preferred console in serial8250_isa_init_ports()"
Revert "Documentation: kernel-parameters: Add DEVNAME:0.0 format for serial ports"
Revert "serial: 8250: Fix add preferred console for serial8250_isa_init_ports()"
Revert "serial: core: Fix ifdef for serial base console functions"
serial: bcm63xx-uart: fix tx after conversion to uart_port_tx_limited()
serial: core: introduce uart_port_tx_limited_flags()
Revert "serial: core: only stop transmit when HW fifo is empty"
serial: imx: set receiver level before starting uart
tty: mcf: MCF54418 has 10 UARTS
serial: 8250_omap: Implementation of Errata i2310
tty: serial: 8250: Fix port count mismatch with the device
Here are a handful of small USB driver fixes for 6.10-rc6 to resolve
some reported issues. Included in here are:
- typec driver bugfixes
- usb gadget driver reverts for commits that were reported to have
problems
- resource leak bugfix
- gadget driver bugfixes
- dwc3 driver bugfixes
- usb atm driver bugfix for when syzbot got loose on it
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a handful of small USB driver fixes for 6.10-rc6 to resolve
some reported issues. Included in here are:
- typec driver bugfixes
- usb gadget driver reverts for commits that were reported to have
problems
- resource leak bugfix
- gadget driver bugfixes
- dwc3 driver bugfixes
- usb atm driver bugfix for when syzbot got loose on it
All of these have been in linux-next this week with no reported issues"
* tag 'usb-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: core: Workaround for CSR read timeout
Revert "usb: gadget: u_ether: Replace netif_stop_queue with netif_device_detach"
Revert "usb: gadget: u_ether: Re-attach netif device to mirror detachment"
usb: gadget: aspeed_udc: fix device address configuration
usb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock
usb: typec: ucsi: glink: fix child node release in probe function
usb: musb: da8xx: fix a resource leak in probe()
usb: typec: ucsi_acpi: Add LG Gram quirk
usb: ucsi: stm32: fix command completion handling
usb: atm: cxacru: fix endpoint checking in cxacru_bind()
usb: gadget: printer: fix races against disable
usb: gadget: printer: SS+ support
- Make sure CPU hotplug dynamic prepare states are actually executed
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Merge tag 'smp_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp fixes from Borislav Petkov:
- Fix "nosmp" and "maxcpus=0" after the parallel CPU bringup work went
in and broke them
- Make sure CPU hotplug dynamic prepare states are actually executed
* tag 'smp_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu: Fix broken cmdline "nosmp" and "maxcpus=0"
cpu/hotplug: Fix dynstate assignment in __cpuhp_setup_state_cpuslocked()
initialized even if the number of CPUs has been limited by a cmdline param
- Make sure interrupt lines on liointc hw are configured properly even when
interrupt routing changes
- Avoid use-after-free in the error path of the MSI init code
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Merge tag 'irq_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Make sure multi-bridge machines get all eiointc interrupt controllers
initialized even if the number of CPUs has been limited by a cmdline
param
- Make sure interrupt lines on liointc hw are configured properly even
when interrupt routing changes
- Avoid use-after-free in the error path of the MSI init code
* tag 'irq_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
PCI/MSI: Fix UAF in msi_capability_init
irqchip/loongson-liointc: Set different ISRs for different cores
irqchip/loongson-eiointc: Use early_cpu_to_node() instead of cpu_to_node()
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Merge tag 'timers_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Warn when an hrtimer doesn't get a callback supplied
* tag 'timers_urgent_for_v6.10_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
hrtimer: Prevent queuing of hrtimer without a function callback
Bugfixes:
- SUNRPC one more fix for the NFSv4.x backchannel timeouts
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Merge tag 'nfs-for-6.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fix from Trond Myklebust:
- One more SUNRPC fix for the NFSv4.x backchannel timeouts
* tag 'nfs-for-6.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Fix backchannel reply, again
* Always free only post-EOF delayed allocations for files with the
XFS_DIFLAG_PREALLOC or APPEND flags set.
* Do not align cow fork delalloc to cowextsz hint when running low on space.
* Allow zero-size symlinks and directories as long as the link count is
zero.
* Change XFS_IOC_EXCHANGE_RANGE to be a _IOW only ioctl. This was ioctl was
introduced during v6.10 developement cycle.
* xfs_init_new_inode() now creates an attribute fork on a newly created
inode even if ATTR feature flag is not enabled.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.10-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Always free only post-EOF delayed allocations for files with the
XFS_DIFLAG_PREALLOC or APPEND flags set.
- Do not align cow fork delalloc to cowextsz hint when running low on
space.
- Allow zero-size symlinks and directories as long as the link count is
zero.
- Change XFS_IOC_EXCHANGE_RANGE to be a _IOW only ioctl. This was ioctl
was introduced during v6.10 developement cycle.
- xfs_init_new_inode() now creates an attribute fork on a newly created
inode even if ATTR feature flag is not enabled.
* tag 'xfs-6.10-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: honor init_xattrs in xfs_init_new_inode for !ATTR fs
xfs: fix direction in XFS_IOC_EXCHANGE_RANGE
xfs: allow unlinked symlinks and dirs with zero size
xfs: restrict when we try to align cow fork delalloc to cowextsz hints
xfs: fix freeing speculative preallocations for preallocated files
of the previous wmt-driver
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Merge tag 'i2c-for-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Two fixes for the testunit and and a fixup for the code reorganization
of the previous wmt-driver"
* tag 'i2c-for-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: testunit: discard write requests while old command is running
i2c: testunit: don't erase registers after STOP
i2c: viai2c: turn common code into a proper module
Highlights:
- Fix lg-laptop driver not working with 2024 LG laptop models
- Add missing MODULE_DESCRIPTION() macros to various modules
- nvsw-sn2201: Add check for platform_device_add_resources
The following is an automated git shortlog grouped by driver:
add missing MODULE_DESCRIPTION() macros:
- add missing MODULE_DESCRIPTION() macros
lg-laptop:
- Use ACPI device handle when evaluating WMAB/WMBB
- Change ACPI device id
- Remove LGEX0815 hotkey handling
platform/mellanox:
- nvsw-sn2201: Add check for platform_device_add_resources
platform/x86/intel:
- add missing MODULE_DESCRIPTION() macros
platform/x86/siemens:
- add missing MODULE_DESCRIPTION() macros
wireless-hotkey:
- Add support for LG Airplane Button
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Merge tag 'platform-drivers-x86-v6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Fix lg-laptop driver not working with 2024 LG laptop models
- Add missing MODULE_DESCRIPTION() macros to various modules
- nvsw-sn2201: Add check for platform_device_add_resources
* tag 'platform-drivers-x86-v6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: add missing MODULE_DESCRIPTION() macros
platform/x86/intel: add missing MODULE_DESCRIPTION() macros
platform/x86/siemens: add missing MODULE_DESCRIPTION() macros
platform/x86: lg-laptop: Use ACPI device handle when evaluating WMAB/WMBB
platform/x86: lg-laptop: Change ACPI device id
platform/x86: lg-laptop: Remove LGEX0815 hotkey handling
platform/x86: wireless-hotkey: Add support for LG Airplane Button
platform/mellanox: nvsw-sn2201: Add check for platform_device_add_resources
- moxart-mmc: Revert "mmc: moxart-mmc: Use sg_miter for PIO"
- sdhci: Do not invert write-protect twice
- sdhci: Do not lock spinlock around mmc_gpio_get_ro()
- sdhci-pci/sdhci-pci-o2micro: Return proper error codes
- sdhci-brcmstb: Fix support for erase/trim/discard
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Merge tag 'mmc-v6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- moxart-mmc: Revert "mmc: moxart-mmc: Use sg_miter for PIO"
- sdhci: Do not invert write-protect twice
- sdhci: Do not lock spinlock around mmc_gpio_get_ro()
- sdhci-pci/sdhci-pci-o2micro: Return proper error codes
- sdhci-brcmstb: Fix support for erase/trim/discard
* tag 'mmc-v6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci: Do not lock spinlock around mmc_gpio_get_ro()
mmc: sdhci: Do not invert write-protect twice
Revert "mmc: moxart-mmc: Use sg_miter for PIO"
mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard
mmc: sdhci-pci-o2micro: Convert PCIBIOS_* return codes to errnos
mmc: sdhci-pci: Convert PCIBIOS_* return codes to errnos
* A fix for vector load/store instruction decoding, which could result
in reserved vector element length encodings decoding as valid vector
instructions.
* Instruction patching now aggressively flushes the local instruction
cache, to avoid situations where patching functions on the flush path
results in torn instructions being fetched.
* A fix to prevent the stack walker from showing up as part of traces.
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Merge tag 'riscv-for-linus-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for vector load/store instruction decoding, which could result
in reserved vector element length encodings decoding as valid vector
instructions.
- Instruction patching now aggressively flushes the local instruction
cache, to avoid situations where patching functions on the flush path
results in torn instructions being fetched.
- A fix to prevent the stack walker from showing up as part of traces.
* tag 'riscv-for-linus-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: stacktrace: convert arch_stack_walk() to noinstr
riscv: patch: Flush the icache right after patching to avoid illegal insns
RISC-V: fix vector insn load/store width mask
The 'profile_pc()' function is used for timer-based profiling, which
isn't really all that relevant any more to begin with, but it also ends
up making assumptions based on the stack layout that aren't necessarily
valid.
Basically, the code tries to account the time spent in spinlocks to the
caller rather than the spinlock, and while I support that as a concept,
it's not worth the code complexity or the KASAN warnings when no serious
profiling is done using timers anyway these days.
And the code really does depend on stack layout that is only true in the
simplest of cases. We've lost the comment at some point (I think when
the 32-bit and 64-bit code was unified), but it used to say:
Assume the lock function has either no stack frame or a copy
of eflags from PUSHF.
which explains why it just blindly loads a word or two straight off the
stack pointer and then takes a minimal look at the values to just check
if they might be eflags or the return pc:
Eflags always has bits 22 and up cleared unlike kernel addresses
but that basic stack layout assumption assumes that there isn't any lock
debugging etc going on that would complicate the code and cause a stack
frame.
It causes KASAN unhappiness reported for years by syzkaller [1] and
others [2].
With no real practical reason for this any more, just remove the code.
Just for historical interest, here's some background commits relating to
this code from 2006:
0cb91a2293 ("i386: Account spinlocks to the caller during profiling for !FP kernels")
31679f38d8 ("Simplify profile_pc on x86-64")
and a code unification from 2009:
ef4512882d ("x86: time_32/64.c unify profile_pc")
but the basics of this thing actually goes back to before the git tree.
Link: https://syzkaller.appspot.com/bug?extid=84fe685c02cd112a2ac3 [1]
Link: https://lore.kernel.org/all/CAK55_s7Xyq=nh97=K=G1sxueOFrJDAvPOJAL4TPTCAYvmxO9_A@mail.gmail.com/ [2]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When clearing registers on new write requests was added, the protection
for currently running commands was missed leading to concurrent access
to the testunit registers. Check the flag beforehand.
Fixes: b39ab96aa8 ("i2c: testunit: add support for block process calls")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
STOP fallsthrough to WRITE_REQUESTED but this became problematic when
clearing the testunit registers was added to the latter. Actually, there
is no reason to clear the testunit state after STOP. Doing it when a new
WRITE_REQUESTED arrives is enough. So, no need to fallthrough, at all.
Fixes: b39ab96aa8 ("i2c: testunit: add support for block process calls")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
VIA-I2C modules. Originally, the code was split to group together
parts that would be used by different drivers. This caused build
issues when two modules linked to the same code.
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Merge tag 'i2c-host-fixes-6.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
Fixed a build error following the major refactoring involving the
VIA-I2C modules. Originally, the code was split to group together
parts that would be used by different drivers. This caused build
issues when two modules linked to the same code.
- Due to a late review, revert and re-fix a recent crasher fix
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Merge tag 'nfsd-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- Due to a late review, revert and re-fix a recent crasher fix
* tag 'nfsd-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
Revert "nfsd: fix oops when reading pool_stats before server is started"
nfsd: initialise nfsd_info.mutex early.
simple stuff:
- null ptr/err ptr deref fixes
- fix for getting wedged on shutdown after journal error
- fix missing recalc_capacity() call, capacity now changes correctly
after a device goes read only
however: our capacity calculation still doesn't take into account when
we have mixed ro/rw devices and the ro devices have data on them,
that's going to be a more involved fix to separate accounting for
"capacity used on ro devices" and "capacity used on rw devices"
- boring syzbot stuff
slightly more involved:
- discard, invalidate workers are now per device
this has the effect of simplifying how we take device refs in these
paths, and the device ref cleanup fixes a longstanding race between
the device removal path and the discard path
- fixes for how the debugfs code takes refs on btree_trans objects
we have debugfs code that prints in use btree_trans objects. It uses
closure_get() on trans->ref, which is mainly for the cycle detector,
but the debugfs code was using it on a closure that may have hit 0,
which is not allowed; for performance reasons we cannot avoid having
not-in-use transactions on the global list.
introduce some new primitives to fix this and make the synchronization
here a whole lot saner
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Merge tag 'bcachefs-2024-06-28' of https://evilpiepirate.org/git/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Simple stuff:
- NULL ptr/err ptr deref fixes
- fix for getting wedged on shutdown after journal error
- fix missing recalc_capacity() call, capacity now changes correctly
after a device goes read only
however: our capacity calculation still doesn't take into account
when we have mixed ro/rw devices and the ro devices have data on
them, that's going to be a more involved fix to separate accounting
for "capacity used on ro devices" and "capacity used on rw devices"
- boring syzbot stuff
Slightly more involved:
- discard, invalidate workers are now per device
this has the effect of simplifying how we take device refs in these
paths, and the device ref cleanup fixes a longstanding race between
the device removal path and the discard path
- fixes for how the debugfs code takes refs on btree_trans objects we
have debugfs code that prints in use btree_trans objects.
It uses closure_get() on trans->ref, which is mainly for the cycle
detector, but the debugfs code was using it on a closure that may
have hit 0, which is not allowed; for performance reasons we cannot
avoid having not-in-use transactions on the global list.
Introduce some new primitives to fix this and make the
synchronization here a whole lot saner"
* tag 'bcachefs-2024-06-28' of https://evilpiepirate.org/git/bcachefs:
bcachefs: Fix kmalloc bug in __snapshot_t_mut
bcachefs: Discard, invalidate workers are now per device
bcachefs: Fix shift-out-of-bounds in bch2_blacklist_entries_gc
bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu
bcachefs: Add missing bch2_journal_do_writes() call
bcachefs: Fix null ptr deref in journal_pins_to_text()
bcachefs: Add missing recalc_capacity() call
bcachefs: Fix btree_trans list ordering
bcachefs: Fix race between trans_put() and btree_transactions_read()
closures: closure_get_not_zero(), closure_return_sync()
bcachefs: Make btree_deadlock_to_text() clearer
bcachefs: fix seqmutex_relock()
bcachefs: Fix freeing of error pointers
