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Merge tag '6.12-rc2-cifs-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Two fixes for Windows symlink handling"
* tag '6.12-rc2-cifs-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix creating native symlinks pointing to current or parent directory
cifs: Improve creating native symlinks pointing to directory
Here are some small USB fixes for some reported problems for 6.12-rc3.
Include in here is:
- fix for yurex driver that was caused in -rc1
- build error fix for usbg network filesystem code
- onboard_usb_dev build fix
- dwc3 driver fixes for reported errors
- gadget driver fix
- new USB storage driver quirk
- xhci resume bugfix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.12-rc3' 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 some reported problems for 6.12-rc3.
Include in here is:
- fix for yurex driver that was caused in -rc1
- build error fix for usbg network filesystem code
- onboard_usb_dev build fix
- dwc3 driver fixes for reported errors
- gadget driver fix
- new USB storage driver quirk
- xhci resume bugfix
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
net/9p/usbg: Fix build error
USB: yurex: kill needless initialization in yurex_read
Revert "usb: yurex: Replace snprintf() with the safer scnprintf() variant"
usb: xhci: Fix problem with xhci resume from suspend
usb: misc: onboard_usb_dev: introduce new config symbol for usb5744 SMBus support
usb: dwc3: core: Stop processing of pending events if controller is halted
usb: dwc3: re-enable runtime PM after failed resume
usb: storage: ignore bogus device raised by JieLi BR21 USB sound chip
usb: gadget: core: force synchronous registration
By using NVMEM_DEVID_AUTO we support more than 1 device and
automatically enumerate.
Fixes: 0969001569 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX OTP via NVMEM sysfs")
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20241007071120.9522-2-heiko.thiery@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
By using NVMEM_DEVID_AUTO we support more than 1 device and
automatically enumerate.
Fixes: 9ab5465349 ("misc: microchip: pci1xxxx: Add support to read and write into PCI1XXXX EEPROM via NVMEM sysfs")
Cc: stable@vger.kernel.org
Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20241007071120.9522-1-heiko.thiery@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The recent fix for array out-of-bounds accesses replaced sprintf()
calls blindly with snprintf(). However, since snprintf() returns the
would-be-printed size, not the actually output size, the length
calculation can still go over the given limit.
Use scnprintf() instead of snprintf(), which returns the actually
output letters, for addressing the potential out-of-bounds access
properly.
Fixes: ab11dac93d ("dev/parport: fix the array out-of-bounds risk")
Cc: stable@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240920103318.19271-1-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here is a single driver core fix, and a .mailmap update, for 6.12-rc3.
The fix is for the rust driver core bindings, turned out that the
from_raw binding wasn't a good idea (don't want to pass a pointer to a
reference counted object without actually incrementing the pointer.) So
this change fixes it up as the from_raw binding came in in -rc1.
The other change is a .mailmap update.
Both have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here is a single driver core fix, and a .mailmap update.
The fix is for the rust driver core bindings, turned out that the
from_raw binding wasn't a good idea (don't want to pass a pointer to a
reference counted object without actually incrementing the pointer.)
So this change fixes it up as the from_raw binding came in in -rc1.
The other change is a .mailmap update.
Both have been in linux-next for a while with no reported issues"
* tag 'driver-core-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
mailmap: update mail for Fiona Behrens
rust: device: change the from_raw() function
Most of this pull request is the result of Javier Carrasco doing a
careful audit for missing Kconfig dependencies that luck has meant
the random builds have never hit. The rest is the usual mix of old
bugs that have surfaced and some fallout from the recent merge window.
adi,ad5686
- Fix binding duplication of compatible strings.
bosch,bma400
- Fix an uninitialized variable in the event tap handling.
bosch,bmi323
- Fix several issues in the register saving and restore on suspend/resume
sensiron,spd500
- Fix missing CRC8 dependency
ti,op3001
- Fix a missing full-scale range value (values above this point were
all reported wrongly)
vishay,veml6030
- Fix a segmentation fault due to some type confusion.
- Fix wrong ambient light sensor resolution.
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Merge tag 'iio-fixes-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes:
IIO: 1st set of fixes for the 6.12 cycle.
Most of this pull request is the result of Javier Carrasco doing a
careful audit for missing Kconfig dependencies that luck has meant
the random builds have never hit. The rest is the usual mix of old
bugs that have surfaced and some fallout from the recent merge window.
adi,ad5686
- Fix binding duplication of compatible strings.
bosch,bma400
- Fix an uninitialized variable in the event tap handling.
bosch,bmi323
- Fix several issues in the register saving and restore on suspend/resume
sensiron,spd500
- Fix missing CRC8 dependency
ti,op3001
- Fix a missing full-scale range value (values above this point were
all reported wrongly)
vishay,veml6030
- Fix a segmentation fault due to some type confusion.
- Fix wrong ambient light sensor resolution.
* tag 'iio-fixes-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (34 commits)
iio: frequency: admv4420: fix missing select REMAP_SPI in Kconfig
iio: frequency: {admv4420,adrf6780}: format Kconfig entries
iio: adc: ad4695: Add missing Kconfig select
iio: adc: ti-ads8688: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency()
iioc: dac: ltc2664: Fix span variable usage in ltc2664_channel_config()
iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig
iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig
iio: dac: ad5770r: add missing select REGMAP_SPI in Kconfig
iio: amplifiers: ada4250: add missing select REGMAP_SPI in Kconfig
iio: frequency: adf4377: add missing select REMAP_SPI in Kconfig
iio: resolver: ad2s1210: add missing select (TRIGGERED_)BUFFER in Kconfig
iio: resolver: ad2s1210 add missing select REGMAP in Kconfig
iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: pressure: bm1390: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: magnetometer: af8133j: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: light: bu27008: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: chemical: ens160: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: dac: ad5766: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
iio: dac: ad3552r: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
...
- Fix crash in memcpy on 8xx due to dcbz workaround since recent changes.
Thanks to: Christophe Leroy.
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Merge tag 'powerpc-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- Fix crash in memcpy on 8xx due to dcbz workaround since recent
changes
Thanks to Christophe Leroy.
* tag 'powerpc-6.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/8xx: Fix kernel DTLB miss on dcbz
Only for_each_sgtable_dma_sg() should be used to walk through a SG table
to grab correct bus address and length pair after calling DMA MAP API on
a SG table as DMA MAP APIs updates the SG table and for_each_sgtable_sg()
walks through the original SG table.
Fixes: ff13be8303 ("accel/qaic: Add datapath")
Fixes: 129776ac2e ("accel/qaic: Add control path")
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241004193252.3888544-1-quic_jhugo@quicinc.com
The current implementation only calls chained_irq_enter() and
chained_irq_exit() if it detects pending interrupts.
```
for (i = 0; i < info->stride; i++) {
uregmap_read(info->map, id_reg + 4 * i, ®);
if (!reg)
continue;
chained_irq_enter(parent_chip, desc);
```
However, in case of GPIO pin configured in level mode and the parent
controller configured in edge mode, GPIO interrupt might be lowered by the
hardware. In the result, if the interrupt is short enough, the parent
interrupt is still pending while the GPIO interrupt is cleared;
chained_irq_enter() never gets called and the system hangs trying to
service the parent interrupt.
Moving chained_irq_enter() and chained_irq_exit() outside the for loop
ensures that they are called even when GPIO interrupt is lowered by the
hardware.
The similar code with chained_irq_enter() / chained_irq_exit() functions
wrapping interrupt checking loop may be found in many other drivers:
```
grep -r -A 10 chained_irq_enter drivers/pinctrl
```
Cc: stable@vger.kernel.org
Signed-off-by: Sergey Matsievskiy <matsievskiysv@gmail.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/20241012105743.12450-2-matsievskiysv@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
four small fixes, three in drivers and one in the FC transport class
to add idempotence to state setting.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes, three in drivers and one in the FC transport class
to add idempotence to state setting"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_transport_fc: Allow setting rport state to current state
scsi: wd33c93: Don't use stale scsi_pointer value
scsi: fnic: Move flush_work initialization out of if block
scsi: ufs: Use pre-calculated offsets in ufshcd_init_lrb()
- Add missing dependencies on REGMAP_I2C for several drivers
- Fix memory leak in adt7475 driver
- Relabel Columbiaville temperature sensor in intel-m10-bmc-hwmon driver
to match other sensor labels
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Merge tag 'hwmon-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Add missing dependencies on REGMAP_I2C for several drivers
- Fix memory leak in adt7475 driver
- Relabel Columbiaville temperature sensor in intel-m10-bmc-hwmon
driver to match other sensor labels
* tag 'hwmon-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (max1668) Add missing dependency on REGMAP_I2C
hwmon: (ltc2991) Add missing dependency on REGMAP_I2C
hwmon: (adt7470) Add missing dependency on REGMAP_I2C
hwmon: (adm9240) Add missing dependency on REGMAP_I2C
hwmon: (mc34vr500) Add missing dependency on REGMAP_I2C
hwmon: (tmp513) Add missing dependency on REGMAP_I2C
hwmon: (adt7475) Fix memory leak in adt7475_fan_pwm_config()
hwmon: intel-m10-bmc-hwmon: relabel Columbiaville to CVL Die Temperature
Check if we have snapshot_trees or subvolumes that refer to the snapshot
node being reconstructed, and use them.
With this, the kill_btree_root test that blows away the snapshots btree
now passes, and we're able to successfully reconstruct.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
BCH_TRANS_COMMIT_journal_reclaim without BCH_WATERMARK_reclaim means
"return an error if low on journal space" - but accounting replay must
succeed.
Fixes https://github.com/koverstreet/bcachefs/issues/656
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
GID table length is reported by FW. The gid index which is passed to the
driver during modify_qp/create_ah is restricted by the sgid_index field of
struct ib_global_route. sgid_index is u8 and the max sgid possible is
256.
Each GID entry in HW will have 2 GID entries in the kernel gid table. So
we can support twice the gid table size reported by FW. Also, restrict the
max GID to 256 also.
Fixes: 847b97887e ("RDMA/bnxt_re: Restrict the max_gids to 256")
Link: https://patch.msgid.link/r/1728373302-19530-11-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Avoid memory corruption while setting up Level-2 PBL pages for the non MR
resources when num_pages > 256K.
There will be a single PDE page address (contiguous pages in the case of >
PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid
memory access after 256K PBL entries in the PDE.
Fixes: 0c4dcd6028 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
Link: https://patch.msgid.link/r/1728373302-19530-10-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Bhargava Chenna Marreddy <bhargava.marreddy@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently the CQ toggle value in the shared page (read by the userlib) is
updated as part of the cqn_handler. There is a potential race of
application calling the CQ ARM doorbell immediately and using the old
toggle value.
Change the sequence of updating CQ toggle value to update in the
bnxt_qplib_service_nq function immediately after reading the toggle value
to be in sync with the HW updated value.
Fixes: e275919d96 ("RDMA/bnxt_re: Share a page to expose per CQ info with userspace")
Link: https://patch.msgid.link/r/1728373302-19530-9-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
In bnxt_re_add_device(), when register netdev notifier fails, driver is
not unregistering the IB device in the error cleanup path. Also, removed
the duplicate cleanup in error path of bnxt_re_probe.
Fixes: 94a9dc6ac8 ("RDMA/bnxt_re: Group all operations under add_device and remove_device")
Link: https://patch.msgid.link/r/1728373302-19530-8-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Driver waits indefinitely for the fifo occupancy to go below a threshold
as soon as the pacing interrupt is received. This can cause soft lockup on
one of the processors, if the rate of DB is very high.
Add a loop count for FPGA and exit the __wait_for_fifo_occupancy_below_th
if the loop is taking more time. Pacing will be continuing until the
occupancy is below the threshold. This is ensured by the checks in
bnxt_re_pacing_timer_exp and further scheduling the work for pacing based
on the fifo occupancy.
Fixes: 2ad4e6303a ("RDMA/bnxt_re: Implement doorbell pacing algorithm")
Link: https://patch.msgid.link/r/1728373302-19530-7-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
When the HWRM command fails, driver currently returns -EFAULT(Bad
address). This does not look correct.
Modified to return -EIO(I/O error).
Fixes: cc1ec769b8 ("RDMA/bnxt_re: Fixing the Control path command and response handling")
Fixes: 65288a22dd ("RDMA/bnxt_re: use shadow qd while posting non blocking rcfw command")
Link: https://patch.msgid.link/r/1728373302-19530-5-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Currently driver is not getting correct srq. Dereference only if qplib has
a valid srq.
Fixes: b02fd3f79e ("RDMA/bnxt_re: Report async events and errors")
Link: https://patch.msgid.link/r/1728373302-19530-4-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Driver exports pacing stats only on GenP5 and P7 adapters. But while
parsing the pacing stats, driver has a check for "rdev->dbr_pacing". This
caused a trace when KASAN is enabled.
BUG: KASAN: slab-out-of-bounds in bnxt_re_get_hw_stats+0x2b6a/0x2e00 [bnxt_re]
Write of size 8 at addr ffff8885942a6340 by task modprobe/4809
Fixes: 8b6573ff34 ("bnxt_re: Update the debug counters for doorbell pacing")
Link: https://patch.msgid.link/r/1728373302-19530-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Older adapters doesn't support the MAX CQ WQEs reported by older FW. So
restrict the value reported to 1M always for older adapters.
Fixes: 1ac5a40479 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/1728373302-19530-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Abhishek Mohapatra<abhishek.mohapatra@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This kselftest update for Linux 6.12-rc3 consists of several fixes
for build, run-time errors, and reporting errors:
-- ftrace: regression test for a kernel crash when running function graph
tracing and then enabling function profiler.
-- rseq: fix for mm_cid test failure.
-- vDSO:
- fixes to reporting skip and other error conditions.
- changes unconditionally build chacha and getrandom tests on
all architectures to make it easier for them to run in CIs.
- build error when sched.h to bring in CLONE_NEWTIME define.
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Merge tag 'linux_kselftest-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"Fixes for build, run-time errors, and reporting errors:
- ftrace: regression test for a kernel crash when running function
graph tracing and then enabling function profiler.
- rseq: fix for mm_cid test failure.
- vDSO:
- fixes to reporting skip and other error conditions
- changes unconditionally build chacha and getrandom tests on all
architectures to make it easier for them to run in CIs
- build error when sched.h to bring in CLONE_NEWTIME define"
* tag 'linux_kselftest-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
ftrace/selftest: Test combination of function_graph tracer and function profiler
selftests/rseq: Fix mm_cid test failure
selftests: vDSO: Explicitly include sched.h
selftests: vDSO: improve getrandom and chacha error messages
selftests: vDSO: unconditionally build getrandom test
selftests: vDSO: unconditionally build chacha test
- Disable kunit tests for arm64+ACPI
- Fix refcount issue in kunit tests
- Drop constraints on non-conformant 'interrupt-map' in fsl,ls-extirq
- Drop type ref on 'msi-parent in fsl,qoriq-mc binding
- Move elgin,jg10309-01 to its own binding from trivial-devices
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Merge tag 'devicetree-fixes-for-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Disable kunit tests for arm64+ACPI
- Fix refcount issue in kunit tests
- Drop constraints on non-conformant 'interrupt-map' in fsl,ls-extirq
- Drop type ref on 'msi-parent in fsl,qoriq-mc binding
- Move elgin,jg10309-01 to its own binding from trivial-devices
* tag 'devicetree-fixes-for-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: Skip kunit tests when arm64+ACPI doesn't populate root node
of: Fix unbalanced of node refcount and memory leaks
dt-bindings: interrupt-controller: fsl,ls-extirq: workaround wrong interrupt-map number
dt-bindings: misc: fsl,qoriq-mc: remove ref for msi-parent
dt-bindings: display: elgin,jg10309-01: Add own binding
This fix solves this error, when calling kselftest with targets
"drivers/net":
File "tools/testing/selftests/net/lib/py/nsim.py", line 64, in __init__
if e.errno == errno.ENOSPC:
NameError: name 'errno' is not defined
The error was found by running tests manually with the command:
make kselftest TARGETS="drivers/net"
The module errno makes available standard error system symbols.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmail.com>
Link: https://patch.msgid.link/20241010183034.24739-1-alessandro.zanni87@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This fix solves this error, when calling kselftest with targets "net/rds":
The error was found by running tests manually with the command:
make kselftest TARGETS="net/rds"
The patch also specifies to import ip() function from the utils module.
Signed-off-by: Alessandro Zanni <alessandro.zanni87@gmail.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Link: https://patch.msgid.link/20241010194421.48198-1-alessandro.zanni87@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix the build warnings when CONFIG_FSL_ENETC_MDIO is not enabled.
The detailed warnings are shown as follows.
include/linux/fsl/enetc_mdio.h:62:18: warning: no previous prototype for function 'enetc_hw_alloc' [-Wmissing-prototypes]
62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
| ^
include/linux/fsl/enetc_mdio.h:62:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
| ^
| static
8 warnings generated.
Fixes: 6517798dd3 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Cc: stable@vger.kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410102136.jQHZOcS4-lkp@intel.com/
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241011030103.392362-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- switch fbdev drivers back to struct platform_driver::remove()
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Merge tag 'fbdev-for-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev platform driver fix from Helge Deller:
"Switch fbdev drivers back to struct platform_driver::remove()
Now that 'remove()' has been converted to the sane new API, there's
no reason for the 'remove_new()' use, so this converts back to the
traditional and simpler name.
See commits
5c5a7680e6 ("platform: Provide a remove callback that returns no value")
0edb555a65 ("platform: Make platform_driver::remove() return void")
for background to this all"
* tag 'fbdev-for-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Switch back to struct platform_driver::remove()
When running "xdp-bench tx eno0" to test the XDP_TX feature of ENETC
on LS1028A, it was found that if the command was re-run multiple times,
Rx could not receive the frames, and the result of xdp-bench showed
that the rx rate was 0.
root@ls1028ardb:~# ./xdp-bench tx eno0
Hairpinning (XDP_TX) packets on eno0 (ifindex 3; driver fsl_enetc)
Summary 2046 rx/s 0 err,drop/s
Summary 0 rx/s 0 err,drop/s
Summary 0 rx/s 0 err,drop/s
Summary 0 rx/s 0 err,drop/s
By observing the Rx PIR and CIR registers, CIR is always 0x7FF and
PIR is always 0x7FE, which means that the Rx ring is full and can no
longer accommodate other Rx frames. Therefore, the problem is caused
by the Rx BD ring not being cleaned up.
Further analysis of the code revealed that the Rx BD ring will only
be cleaned if the "cleaned_cnt > xdp_tx_in_flight" condition is met.
Therefore, some debug logs were added to the driver and the current
values of cleaned_cnt and xdp_tx_in_flight were printed when the Rx
BD ring was full. The logs are as follows.
[ 178.762419] [XDP TX] >> cleaned_cnt:1728, xdp_tx_in_flight:2140
[ 178.771387] [XDP TX] >> cleaned_cnt:1941, xdp_tx_in_flight:2110
[ 178.776058] [XDP TX] >> cleaned_cnt:1792, xdp_tx_in_flight:2110
From the results, the max value of xdp_tx_in_flight has reached 2140.
However, the size of the Rx BD ring is only 2048. So xdp_tx_in_flight
did not drop to 0 after enetc_stop() is called and the driver does not
clear it. The root cause is that NAPI is disabled too aggressively,
without having waited for the pending XDP_TX frames to be transmitted,
and their buffers recycled, so that xdp_tx_in_flight cannot naturally
drop to 0. Later, enetc_free_tx_ring() does free those stale, unsent
XDP_TX packets, but it is not coded up to also reset xdp_tx_in_flight,
hence the manifestation of the bug.
One option would be to cover this extra condition in enetc_free_tx_ring(),
but now that the ENETC_TX_DOWN exists, we have created a window at
the beginning of enetc_stop() where NAPI can still be scheduled, but
any concurrent enqueue will be blocked. Therefore, enetc_wait_bdrs()
and enetc_disable_tx_bdrs() can be called with NAPI still scheduled,
and it is guaranteed that this will not wait indefinitely, but instead
give us an indication that the pending TX frames have orderly dropped
to zero. Only then should we call napi_disable().
This way, enetc_free_tx_ring() becomes entirely redundant and can be
dropped as part of subsequent cleanup.
The change also refactors enetc_start() so that it looks like the
mirror opposite procedure of enetc_stop().
Fixes: ff58fda090 ("net: enetc: prioritize ability to go down over packet processing")
Cc: stable@vger.kernel.org
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241010092056.298128-5-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Tx BD rings are disabled first in enetc_stop() and the driver
waits for them to become empty. This operation is not safe while
the ring is actively transmitting frames, and will cause the ring
to not be empty and hardware exception. As described in the NETC
block guide, software should only disable an active Tx ring after
all pending ring entries have been consumed (i.e. when PI = CI).
Disabling a transmit ring that is actively processing BDs risks
a HW-SW race hazard whereby a hardware resource becomes assigned
to work on one or more ring entries only to have those entries be
removed due to the ring becoming disabled.
When testing XDP_REDIRECT feautre, although all frames were blocked
from being put into Tx rings during ring reconfiguration, the similar
warning log was still encountered:
fsl_enetc 0000:00:00.2 eno2: timeout for tx ring #6 clear
fsl_enetc 0000:00:00.2 eno2: timeout for tx ring #7 clear
The reason is that when there are still unsent frames in the Tx ring,
disabling the Tx ring causes the remaining frames to be unable to be
sent out. And the Tx ring cannot be restored, which means that even
if the xdp program is uninstalled, the Tx frames cannot be sent out
anymore. Therefore, correct the operation order in enect_start() and
enect_stop().
Fixes: ff58fda090 ("net: enetc: prioritize ability to go down over packet processing")
Cc: stable@vger.kernel.org
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241010092056.298128-4-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When testing the XDP_REDIRECT function on the LS1028A platform, we
found a very reproducible issue that the Tx frames can no longer be
sent out even if XDP_REDIRECT is turned off. Specifically, if there
is a lot of traffic on Rx direction, when XDP_REDIRECT is turned on,
the console may display some warnings like "timeout for tx ring #6
clear", and all redirected frames will be dropped, the detailed log
is as follows.
root@ls1028ardb:~# ./xdp-bench redirect eno0 eno2
Redirecting from eno0 (ifindex 3; driver fsl_enetc) to eno2 (ifindex 4; driver fsl_enetc)
[203.849809] fsl_enetc 0000:00:00.2 eno2: timeout for tx ring #5 clear
[204.006051] fsl_enetc 0000:00:00.2 eno2: timeout for tx ring #6 clear
[204.161944] fsl_enetc 0000:00:00.2 eno2: timeout for tx ring #7 clear
eno0->eno2 1420505 rx/s 1420590 err,drop/s 0 xmit/s
xmit eno0->eno2 0 xmit/s 1420590 drop/s 0 drv_err/s 15.71 bulk-avg
eno0->eno2 1420484 rx/s 1420485 err,drop/s 0 xmit/s
xmit eno0->eno2 0 xmit/s 1420485 drop/s 0 drv_err/s 15.71 bulk-avg
By analyzing the XDP_REDIRECT implementation of enetc driver, the
driver will reconfigure Tx and Rx BD rings when a bpf program is
installed or uninstalled, but there is no mechanisms to block the
redirected frames when enetc driver reconfigures rings. Similarly,
XDP_TX verdicts on received frames can also lead to frames being
enqueued in the Tx rings. Because XDP ignores the state set by the
netif_tx_wake_queue() API, so introduce the ENETC_TX_DOWN flag to
suppress transmission of XDP frames.
Fixes: c33bfaf91c ("net: enetc: set up XDP program under enetc_reconfigure()")
Cc: stable@vger.kernel.org
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241010092056.298128-3-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The xdp_drops statistic indicates the number of XDP frames dropped in
the Rx direction. However, enetc_xdp_drop() is also used in XDP_TX and
XDP_REDIRECT actions. If frame loss occurs in these two actions, the
frames loss count should not be included in xdp_drops, because there
are already xdp_tx_drops and xdp_redirect_failures to count the frame
loss of these two actions, so it's better to remove xdp_drops statistic
from enetc_xdp_drop() and increase xdp_drops in XDP_DROP action.
Fixes: 7ed2bc8007 ("net: enetc: add support for XDP_TX")
Cc: stable@vger.kernel.org
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20241010092056.298128-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When port mirroring is added to a port, the bit position of the source
port, needs to be written to the register ANA_AC_PROBE_PORT_CFG. This
register is replicated for n_ports > 32, and therefore we need to derive
the correct register from the port number.
Before this patch, we wrongly calculate the register from portno /
BITS_PER_BYTE, where the divisor ought to be 32, causing any port >=8 to
be written to the wrong register. We fix this, by using do_div(), where
the dividend is the register, the remainder is the bit position and the
divisor is now 32.
Fixes: 4e50d72b3b ("net: sparx5: add port mirroring implementation")
Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241009-mirroring-fix-v1-1-9ec962301989@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- fix clock handle leak in probe() error path in gpio-aspeed
- add a dummy register read to ensure the write actually completed
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Merge tag 'gpio-fixes-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix clock handle leak in probe() error path in gpio-aspeed
- add a dummy register read to ensure the write actually completed
* tag 'gpio-fixes-for-v6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: aspeed: Use devm_clk api to manage clock source
gpio: aspeed: Add the flush write to ensure the write complete.
Localio Bugfixes:
* Remove duplicated include in localio.c
* Fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
* Fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
* Fix nfsd_file tracepoints to handle NULL rqstp pointers
Other Bugfixes:
* Fix program selection loop in svc_process_common
* Fix integer overflow in decode_rc_list()
* Prevent NULL-pointer dereference in nfs42_complete_copies()
* Fix CB_RECALL performance issues when using a large number of delegations
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Merge tag 'nfs-for-6.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Localio Bugfixes:
- remove duplicated include in localio.c
- fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
- fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
- fix nfsd_file tracepoints to handle NULL rqstp pointers
Other Bugfixes:
- fix program selection loop in svc_process_common
- fix integer overflow in decode_rc_list()
- prevent NULL-pointer dereference in nfs42_complete_copies()
- fix CB_RECALL performance issues when using a large number of
delegations"
* tag 'nfs-for-6.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: remove revoked delegation from server's delegation list
nfsd/localio: fix nfsd_file tracepoints to handle NULL rqstp
nfs_common: fix Kconfig for NFS_COMMON_LOCALIO_SUPPORT
nfs_common: fix race in NFS calls to nfsd_file_put_local() and nfsd_serv_put()
NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
SUNRPC: Fix integer overflow in decode_rc_list()
sunrpc: fix prog selection loop in svc_process_common
nfs: Remove duplicated include in localio.c
After commit 8d7017fd62 ("blackhole_netdev: use blackhole_netdev to
invalidate dst entries"), blackhole_netdev was introduced to invalidate
dst cache entries on the TX path whenever the cache times out or is
flushed.
When two UDP sockets (sk1 and sk2) send messages to the same destination
simultaneously, they are using the same dst cache. If the dst cache is
invalidated on one path (sk2) while the other (sk1) is still transmitting,
sk1 may try to use the invalid dst entry.
CPU1 CPU2
udp_sendmsg(sk1) udp_sendmsg(sk2)
udp_send_skb()
ip_output()
<--- dst timeout or flushed
dst_dev_put()
ip_finish_output2()
ip_neigh_for_gw()
This results in a scenario where ip_neigh_for_gw() returns -EINVAL because
blackhole_dev lacks an in_dev, which is needed to initialize the neigh in
arp_constructor(). This error is then propagated back to userspace,
breaking the UDP application.
The patch fixes this issue by assigning an in_dev to blackhole_dev for
IPv4, similar to what was done for IPv6 in commit e5f80fcf86 ("ipv6:
give an IPv6 dev to blackhole_netdev"). This ensures that even when the
dst entry is invalidated with blackhole_dev, it will not fail to create
the neigh entry.
As devinet_init() is called ealier than blackhole_netdev_init() in system
booting, it can not assign the in_dev to blackhole_dev in devinet_init().
As Paolo suggested, add a separate late_initcall() in devinet.c to ensure
inet_blackhole_dev_init() is called after blackhole_netdev_init().
Fixes: 8d7017fd62 ("blackhole_netdev: use blackhole_netdev to invalidate dst entries")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/3000792d45ca44e16c785ebe2b092e610e5b3df1.1728499633.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix rcuog kthread wakeup invocation from softirq context on a CPU
which has been marked offline. This can happen when new callbacks
are enqueued from a softirq on an offline CPU before it calls
rcutree_report_cpu_dead(). When this happens on NOCB configuration,
the rcuog wake-up is deferred through an IPI to an online CPU.
This is done to avoid call into the scheduler which can risk
arming the RT-bandwidth after hrtimers have been migrated out
and disabled. However, doing IPI call from softirq is not allowed
Fix this by forcing deferred rcuog wakeup through the NOCB timer
when the CPU is offline.
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Merge tag 'rcu.fixes.6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU fix from Neeraj Upadhyay:
"Fix rcuog kthread wakeup invocation from softirq context on a CPU
which has been marked offline.
This can happen when new callbacks are enqueued from a softirq on an
offline CPU before it calls rcutree_report_cpu_dead(). When this
happens on NOCB configuration, the rcuog wake-up is deferred through
an IPI to an online CPU. This is done to avoid call into the scheduler
which can risk arming the RT-bandwidth after hrtimers have been
migrated out and disabled.
However, doing IPI call from softirq is not allowed: Fix this by
forcing deferred rcuog wakeup through the NOCB timer when the CPU is
offline"
* tag 'rcu.fixes.6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux:
rcu/nocb: Fix rcuog wake-up from offline softirq
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Merge tag 'for-linus-6.12a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for topology information of Xen PV guests"
* tag 'for-linus-6.12a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: mark boot CPU of PV guest in MSR_IA32_APICBASE
Masami reported a bug when running function graph tracing then the
function profiler. The following commands would cause a kernel crash:
# cd /sys/kernel/tracing/
# echo function_graph > current_tracer
# echo 1 > function_profile_enabled
In that order. Create a test to test this two to make sure this does not
come back as a regression.
Link: https://lore.kernel.org/172398528350.293426.8347220120333730248.stgit@devnote2
Link: https://lore.kernel.org/all/20241010165235.35122877@gandalf.local.home/
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
'new_map' is allocated using devm_* which takes care of freeing the
allocated data on device removal, call to
.dt_free_map = pinconf_generic_dt_free_map
double frees the map as pinconf_generic_dt_free_map() calls
pinctrl_utils_free_map().
Fix this by using kcalloc() instead of auto-managed devm_kcalloc().
Cc: stable@vger.kernel.org
Fixes: f805e35631 ("pinctrl: nuvoton: Add ma35d1 pinctrl and GPIO driver")
Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/20241010205237.1245318-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit
f69759be25 ("x86/CPU/AMD: Move Zenbleed check to the Zen2 init function")
causes a bit in the DE_CFG MSR to get set erroneously after a microcode late
load.
The microcode late load path calls into amd_check_microcode() and subsequently
zen2_zenbleed_check(). Since the above commit removes the cpu_has_amd_erratum()
call from zen2_zenbleed_check(), this will cause all non-Zen2 CPUs to go
through the function and set the bit in the DE_CFG MSR.
Call into the Zenbleed fix path on Zen2 CPUs only.
[ bp: Massage commit message, use cpu_feature_enabled(). ]
Fixes: f69759be25 ("x86/CPU/AMD: Move Zenbleed check to the Zen2 init function")
Signed-off-by: John Allen <john.allen@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240923164404.27227-1-john.allen@amd.com
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Merge tag 'io_uring-6.12-20241011' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Explicitly have a mshot_finished condition for IORING_OP_RECV in
multishot mode, similarly to what IORING_OP_RECVMSG has. This doesn't
fix a bug right now, but it makes it harder to actually have a bug
here if a request takes multiple iterations to finish.
- Fix handling of retry of read/write of !FMODE_NOWAIT files. If they
are pollable, that's all we need.
* tag 'io_uring-6.12-20241011' of git://git.kernel.dk/linux:
io_uring/rw: allow pollable non-blocking attempts for !FMODE_NOWAIT
io_uring/rw: fix cflags posting for single issue multishot read
- Fix the TPMI_RAPL_REG_DOMAIN_INFO register offset in the TPMI part of
the Intel RAPL power capping driver, make it ignore minor hardware
version mismatches (which only indicate exposing additional features)
and update register definitions in it to enable PL4 support (Zhang
Rui).
- Add Arrow Lake-U to the list of processors supporting PL4 in the MSR
part of the Intel RAPL power capping driver (Sumeet Pawnikar).
- Remove excess pci_disable_device() calls from the processor part of
the int340x thermal driver to address a warning triggered during
module unload and remove unused CPU hotplug code related to RAPL
support from it (Zhang Rui).
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Merge tag 'pm-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These address two issues in the TPMI module of the Intel RAPL power
capping driver and one issue in the processor part of the Intel
int340x thermal driver, update a CPU ID list and register definitions
needed for RAPL PL4 support and remove some unused code.
Specifics:
- Fix the TPMI_RAPL_REG_DOMAIN_INFO register offset in the TPMI part
of the Intel RAPL power capping driver, make it ignore minor
hardware version mismatches (which only indicate exposing
additional features) and update register definitions in it to
enable PL4 support (Zhang Rui)
- Add Arrow Lake-U to the list of processors supporting PL4 in the
MSR part of the Intel RAPL power capping driver (Sumeet Pawnikar)
- Remove excess pci_disable_device() calls from the processor part of
the int340x thermal driver to address a warning triggered during
module unload and remove unused CPU hotplug code related to RAPL
support from it (Zhang Rui)"
* tag 'pm-6.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: int340x: processor: Add MMIO RAPL PL4 support
thermal: intel: int340x: processor: Remove MMIO RAPL CPU hotplug support
powercap: intel_rapl_msr: Add PL4 support for Arrowlake-U
powercap: intel_rapl_tpmi: Ignore minor version change
thermal: intel: int340x: processor: Fix warning during module unload
powercap: intel_rapl_tpmi: Fix bogus register reading
