Commit Graph

129765 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
6771fb0b94 1st set of new IIO/counter device support, features and cleanup for 5.14
There are a couple of large cleanup sets in here alongside a number of new
 drivers.
 
 Note an immutable branch merged to add a stub for i2c_verify_client()
 as needed to avoid a build issue in the fxls8962af driver as a result of a
 workaround for a device errata that only applies when i2c interface is used.
 
 Counters
 ========
 
 New device support
 * intel,quadrature encoder peripheral found on Elkhart Lake platforms.
   - New driver.
 
 IIO
 ===
 
 New device support
 * amstaos,tsl2591 ambient light sensor.
   - New driver + bindings
   - Follow up fix to ensure some local variables are suitable for error
     handling.
 * fsl,fxls8962af + fsl,fxls8964af accelerometers
   - New driver + bindings
   - Includes an errata work around that cause a build bot failure fixed
     by adding a stub to i2c.
 * kionix,kxcjk-1013
   - Add support for KX023-1025 device.  Mostly a different register map
     that needed to be supported.
 * murata,sca3300 accelerometer
   - New driver + bindings
 * st,lsm9ds0 IMU
   - Rework of st,sensors driver to cleanly support this new glue driver
     that enables the two parts of the LSM9DS0.
 * ti,tsc2046 touchscreen controller ADC.
   - New driver. Intent here is to use this with existing IIO consumer
     drivers such as resistive-adc-touch.
   - Follow up fix to avoid an issue with unsigned subtraction in error
     check.
 * ti,tmp117 digital temperature sensor
   - New driver + bindings
 
 Features
 * adi,ad5755
   - Add missing dt-binding doc
 * adi,ad7298
   - Add ACPI ID used on Intel Galileo Gen 1 boards.
   - Add missing dt-binding doc
 * adi,ad7476
   - Add missing dt-binding doc
 * adi,ad7746
   - Add missing dt-binding doc for this driver that will hopefully move out
     of staging shortly. Update staging driver to use the binding instead of
     platform data.
 * adi,adis16201 + adis16209
   - Add missing dt-binding doc
 * adi,adis16480
   - Support burst mode for adis16495 and adis16497 parts.
 * bosch,bma220
   - Add missing dt-binding doc
 * fsl,mma7455
   - Add missing dt-binding doc
 * iio-rescale
   - Support handling of processed channels from provider.  Some ADCs
     require (typically non linear) calibration functions to be applied,
     and so provide only IIO_CHAN_INFO_PROCESSED read back. They can be
     used as providers to the iio-rescale driver which needs to handle them
     somewhat differently from IIO_CHAN_INFO_RAW
 * sensiron,sps30
   - Support the serial interface.  Note this required significant
     refactoring of existing driver.
 * st,st-sensors
   - Add mount matrix support for normal dt-binding whilst continuing to
     support the odd ACPI approach for accelerometers.
 * ti,dac082s085 + similar
   - Add missing dt-binding doc
 * trivial-devices - add entries for
   - memsic,mx4005, memsic,mx6255 and memsic,mxc6655
   - sensortek,stk8312 and sensortek,stk8ba50
 
 Cleanup / minor fixes
 * core
   - Use devm_add_action_or_reset() to replace boilerplate in several
     driver and core IIO devm_* functions.
   - Fix an error path issue introduced by above, that could return an
     error pointer rather than the expected null from dev_iio_device_alloc()
   - Move more IIO internals related fields from struct iio_dev to
     struct iio_dev_opaque.
   - Drop unused final update of in_loc in demux setup.
 * Docs
   - Move some docs from driver specific to core dos to avoid replication
     of names which the documentation builder does not allow.
     Note this means adding a few device specific notes to the general docs
     to cover the more unusual uses of the ABI.
   - ABI: Move old buffer/* and scan_elements/* docs to obsolete as now we
     have the bufferX/* variant.  Not we are not getting rid of these
     interfaces, just encouraging new code to use the new interface.
 * IIO wide:
   - Tidy up new cases of dev.parent etc being set in drivers as the core
     now does it.
   - Fix more cases of possible miss-aligned buffers when passed to
     iio_push_to_buffers_with_timestamp().  Note we only have one known
     instance of anyone seeing this bug actually happening, so this has been
     a low priority cleanup effort for several cycles.
   - sysfs_emit() used in more drivers.
   - Runtime pm tidy up and use of pm_runtime_resume_and_get()
   - Buffer alignment fixes as iio_push_to_buffers_with_timestamp requires
     that the timestamp when inserted by naturally aligned + consumers can
     assume that all fields are naturally aligned. Part of a long running
     effort, with at least 2 more series to come tackling additional
     variants.
   - Stop specifying "mount-matrix" property name in every lookup of the
     mount matrix from firmware by hard coding it in the core.
 * adi,ad7476
   - Handle the variety of different regulators used by the parts supported
     by this driver (came up in dt-binding review)
 * adi,ad7746
   - Trivial drop of if (ret) return ret; return 0; pattern
   - Tidy up comments
   - Pull capdac setup out to own function.
 * adi,ad7766
   - Trivial drop of if (ret) return ret; return 0; pattern
 * adi,adis
   - Avoid returning error codes in interrupt handlers.
   - Handle a failure in spi_write in the trigger handler.
   - Rework to add updating of device page after changing it.
   - Don't push data to IIO buffers when read failed.
   - Add configuration of burst max speed to core avoid handling this in
     each driver.
   - Use the adis_dev_lock() helper in adis16260 and adis16136 drivers.
   - Excessive includes cleanup via include-what-you-use static checker
     after zero day highlighted that these needed updating.
 * afe
   - Amend binding to add #io-channel-cells, thus allowing this IIO
     consumer to also be an IIO provider.
 * aosong,am2315
   - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
     ACPI naming.
 * bosch,bma180
   - Adding missing bandwidth settings (500, 1000 Hz)
 * bosch,bme680
   - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
     ACPI naming.
 * ep93xx_adc,
   - Drop a redundant error print.
 * maxim,max118
   - Convert remainder of probe() to devm_ managed functions.
   - Avoid some repeated jumping back and forth between iio_dev and
     spi structures.
 * maxim,max11100
   - Use get_unaligned_be16() instead of open coding.
   - Convert remainder of probe() to devm_ managed functions.
 * samsung,exynos_adc
   - Unused error value dropped.
 * sensiron,sgp30
   - Drop use of %hx in favor of %x and letting the normal type conversion
     work.
 * sensortek,stk8312
   - Add lowercase device id and note uppercase version deprecated.
   - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
     ACPI naming.
 * sprx,sc72xx_adc
   - add MODULE_DEVICE_TABLE
 * st,lsm6dsx
   - Fix docs of valid ODRs
 * st,sensors
   - dt-binding rework.  Two efforts on this crossed in a previous cycle
     so this update cherry picks the best of the two yaml conversions.
   - Don't copy the channel spec array as now ext_info is no longer modified.
 * st,stm32-adc
   - tidy up some docs that were marked as kernel-doc but aren't.
 * ti,adc081c, ti,adc0832, ti,adc108s102 and ti,adc161s626
   - Convert remainder of probe() functions to devm_ managed functions
     to simplify error handing and remove paths.
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Merge tag 'iio-for-5.14a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

1st set of new IIO/counter device support, features and cleanup for 5.14

There are a couple of large cleanup sets in here alongside a number of new
drivers.

Note an immutable branch merged to add a stub for i2c_verify_client()
as needed to avoid a build issue in the fxls8962af driver as a result of a
workaround for a device errata that only applies when i2c interface is used.

Counters
========

New device support
* intel,quadrature encoder peripheral found on Elkhart Lake platforms.
  - New driver.

IIO
===

New device support
* amstaos,tsl2591 ambient light sensor.
  - New driver + bindings
  - Follow up fix to ensure some local variables are suitable for error
    handling.
* fsl,fxls8962af + fsl,fxls8964af accelerometers
  - New driver + bindings
  - Includes an errata work around that cause a build bot failure fixed
    by adding a stub to i2c.
* kionix,kxcjk-1013
  - Add support for KX023-1025 device.  Mostly a different register map
    that needed to be supported.
* murata,sca3300 accelerometer
  - New driver + bindings
* st,lsm9ds0 IMU
  - Rework of st,sensors driver to cleanly support this new glue driver
    that enables the two parts of the LSM9DS0.
* ti,tsc2046 touchscreen controller ADC.
  - New driver. Intent here is to use this with existing IIO consumer
    drivers such as resistive-adc-touch.
  - Follow up fix to avoid an issue with unsigned subtraction in error
    check.
* ti,tmp117 digital temperature sensor
  - New driver + bindings

Features
* adi,ad5755
  - Add missing dt-binding doc
* adi,ad7298
  - Add ACPI ID used on Intel Galileo Gen 1 boards.
  - Add missing dt-binding doc
* adi,ad7476
  - Add missing dt-binding doc
* adi,ad7746
  - Add missing dt-binding doc for this driver that will hopefully move out
    of staging shortly. Update staging driver to use the binding instead of
    platform data.
* adi,adis16201 + adis16209
  - Add missing dt-binding doc
* adi,adis16480
  - Support burst mode for adis16495 and adis16497 parts.
* bosch,bma220
  - Add missing dt-binding doc
* fsl,mma7455
  - Add missing dt-binding doc
* iio-rescale
  - Support handling of processed channels from provider.  Some ADCs
    require (typically non linear) calibration functions to be applied,
    and so provide only IIO_CHAN_INFO_PROCESSED read back. They can be
    used as providers to the iio-rescale driver which needs to handle them
    somewhat differently from IIO_CHAN_INFO_RAW
* sensiron,sps30
  - Support the serial interface.  Note this required significant
    refactoring of existing driver.
* st,st-sensors
  - Add mount matrix support for normal dt-binding whilst continuing to
    support the odd ACPI approach for accelerometers.
* ti,dac082s085 + similar
  - Add missing dt-binding doc
* trivial-devices - add entries for
  - memsic,mx4005, memsic,mx6255 and memsic,mxc6655
  - sensortek,stk8312 and sensortek,stk8ba50

Cleanup / minor fixes
* core
  - Use devm_add_action_or_reset() to replace boilerplate in several
    driver and core IIO devm_* functions.
  - Fix an error path issue introduced by above, that could return an
    error pointer rather than the expected null from dev_iio_device_alloc()
  - Move more IIO internals related fields from struct iio_dev to
    struct iio_dev_opaque.
  - Drop unused final update of in_loc in demux setup.
* Docs
  - Move some docs from driver specific to core dos to avoid replication
    of names which the documentation builder does not allow.
    Note this means adding a few device specific notes to the general docs
    to cover the more unusual uses of the ABI.
  - ABI: Move old buffer/* and scan_elements/* docs to obsolete as now we
    have the bufferX/* variant.  Not we are not getting rid of these
    interfaces, just encouraging new code to use the new interface.
* IIO wide:
  - Tidy up new cases of dev.parent etc being set in drivers as the core
    now does it.
  - Fix more cases of possible miss-aligned buffers when passed to
    iio_push_to_buffers_with_timestamp().  Note we only have one known
    instance of anyone seeing this bug actually happening, so this has been
    a low priority cleanup effort for several cycles.
  - sysfs_emit() used in more drivers.
  - Runtime pm tidy up and use of pm_runtime_resume_and_get()
  - Buffer alignment fixes as iio_push_to_buffers_with_timestamp requires
    that the timestamp when inserted by naturally aligned + consumers can
    assume that all fields are naturally aligned. Part of a long running
    effort, with at least 2 more series to come tackling additional
    variants.
  - Stop specifying "mount-matrix" property name in every lookup of the
    mount matrix from firmware by hard coding it in the core.
* adi,ad7476
  - Handle the variety of different regulators used by the parts supported
    by this driver (came up in dt-binding review)
* adi,ad7746
  - Trivial drop of if (ret) return ret; return 0; pattern
  - Tidy up comments
  - Pull capdac setup out to own function.
* adi,ad7766
  - Trivial drop of if (ret) return ret; return 0; pattern
* adi,adis
  - Avoid returning error codes in interrupt handlers.
  - Handle a failure in spi_write in the trigger handler.
  - Rework to add updating of device page after changing it.
  - Don't push data to IIO buffers when read failed.
  - Add configuration of burst max speed to core avoid handling this in
    each driver.
  - Use the adis_dev_lock() helper in adis16260 and adis16136 drivers.
  - Excessive includes cleanup via include-what-you-use static checker
    after zero day highlighted that these needed updating.
* afe
  - Amend binding to add #io-channel-cells, thus allowing this IIO
    consumer to also be an IIO provider.
* aosong,am2315
  - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
    ACPI naming.
* bosch,bma180
  - Adding missing bandwidth settings (500, 1000 Hz)
* bosch,bme680
  - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
    ACPI naming.
* ep93xx_adc,
  - Drop a redundant error print.
* maxim,max118
  - Convert remainder of probe() to devm_ managed functions.
  - Avoid some repeated jumping back and forth between iio_dev and
    spi structures.
* maxim,max11100
  - Use get_unaligned_be16() instead of open coding.
  - Convert remainder of probe() to devm_ managed functions.
* samsung,exynos_adc
  - Unused error value dropped.
* sensiron,sgp30
  - Drop use of %hx in favor of %x and letting the normal type conversion
    work.
* sensortek,stk8312
  - Add lowercase device id and note uppercase version deprecated.
  - Drop ACPI id. Unlikely this one is in the wild and it isn't valid
    ACPI naming.
* sprx,sc72xx_adc
  - add MODULE_DEVICE_TABLE
* st,lsm6dsx
  - Fix docs of valid ODRs
* st,sensors
  - dt-binding rework.  Two efforts on this crossed in a previous cycle
    so this update cherry picks the best of the two yaml conversions.
  - Don't copy the channel spec array as now ext_info is no longer modified.
* st,stm32-adc
  - tidy up some docs that were marked as kernel-doc but aren't.
* ti,adc081c, ti,adc0832, ti,adc108s102 and ti,adc161s626
  - Convert remainder of probe() functions to devm_ managed functions
    to simplify error handing and remove paths.

* tag 'iio-for-5.14a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (171 commits)
  i2c: core: Add stub for i2c_verify_client() if !CONFIG_I2C
  iio: adis: Cleanout unused headers
  iio: accel: bma180: Add missing 500 Hz / 1000 Hz bandwidth
  counter: Add support for Intel Quadrature Encoder Peripheral
  staging: iio: cdc: ad7746: extract capac setup to own function
  staging: iio: cdc: ad7746: clean up probe return
  staging: iio: cdc: ad7746: remove ordinary comments
  iio: adc: ti-adc161s626: Use devm managed functions for all of probe.
  iio: adc: ti-adc108s102: Use devm managed functions for all of probe()
  iio: adc: ti-adc0832: Use devm managed functions for all of probe()
  iio: adc: ti-adc081c: Use devm managed functions for all of probe()
  iio: adc: max1118: Avoid jumping back and forth between spi and iio structures
  iio: adc: max1118: Use devm_ managed functions for all of probe
  iio: adc: max11100: Use devm_ functions for rest of probe()
  iio: adc: max11100: Use get_unaligned_be16() rather than opencoding.
  iio: chemical: sgp30: Drop use of %hx in format string.
  iio: gyro: st_gyro: Support mount matrix
  iio: magnetometer: st_magn: Support mount matrix
  iio: accel: st_sensors: Stop copying channels
  iio: accel: st_sensors: Support generic mounting matrix
  ...
2021-06-09 12:11:49 +02:00
Jonathan Cameron
41340965b4 Merge branch 'ib-iio-i2c-5.13rc1' into togreg
Adds a stub needed to resolve a build conflict for the
fxls8962af driver.
2021-06-07 09:20:02 +01:00
Jonathan Cameron
aa5c8b2539 i2c: core: Add stub for i2c_verify_client() if !CONFIG_I2C
If I2C is not compiled, there is no way we should see a call to
i2c_verify_client() on a device that is an i2c client. As such,
provide a stub to return NULL to resolve an associated build failure.

The build is failing with this link error
ld: fxls8962af-core.o: in function `fxls8962af_fifo_transfer':
fxls8962af-core.c: undefined reference to `i2c_verify_client'

Reported-by: Tom Rix <trix@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes: af959b7b96 ("iio: accel: fxls8962af: fix errata bug E3 - I2C burst reads")
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20210603165835.3594557-1-jic23@kernel.org
2021-06-07 09:19:21 +01:00
Linus Walleij
3d8ad94bb1 iio: accel: st_sensors: Support generic mounting matrix
The ST accelerators support a special type of quirky mounting matrix found
in ACPI systems, but not a generic mounting matrix such as from the device
tree.

Augment the ACPI hack to be a bit more generic and accept a mounting
matrix from device properties.

This makes it possible to fix orientation on the Ux500 HREF device.

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Denis Ciocca <denis.ciocca@st.com>
Cc: Daniel Drake <drake@endlessm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210518230722.522446-2-linus.walleij@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-06-03 18:24:13 +01:00
Linus Walleij
42ef8aa226 iio: st_sensors: Create extended attr macro
Extend ST_SENSORS_LSM_CHANNELS() to a version that will accept extended
attributes named ST_SENSORS_LSM_CHANNELS_EXT() and wrap the former as a
specialized version of the former.

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Denis Ciocca <denis.ciocca@st.com>
Cc: Daniel Drake <drake@endlessm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210518230722.522446-1-linus.walleij@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-06-03 18:24:13 +01:00
Andy Shevchenko
b892770a2c iio: Drop Duplicated "mount-matrix" parameter
All of the users of iio_read_mount_matrix() are using the very same
property name. Moreover, the property name is hard coded in the API
documentation.

Make this clear and avoid duplication now and in the future.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210518112546.44592-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-06-03 18:24:13 +01:00
Linus Torvalds
e1a9e3db3b Driver core fixes for 5.13-rc4
Here are 3 small driver core / debugfs fixes for 5.13-rc4:
   - debugfs fix for incorrect "lockdown" mode for selinux accesses
   - 2 device link changes, one bugfix and one cleanup
 
 All of these have been in linux-next for over a week with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are three small driver core / debugfs fixes for 5.13-rc4:

   - debugfs fix for incorrect "lockdown" mode for selinux accesses

   - two device link changes, one bugfix and one cleanup

  All of these have been in linux-next for over a week with no reported
  problems"

* tag 'driver-core-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers: base: Reduce device link removal code duplication
  drivers: base: Fix device link removal
  debugfs: fix security_locked_down() call for SELinux
2021-05-29 06:33:28 -10:00
Linus Torvalds
224478289c ARM fixes:
* Another state update on exit to userspace fix
 
 * Prevent the creation of mixed 32/64 VMs
 
 * Fix regression with irqbypass not restarting the guest on failed connect
 
 * Fix regression with debug register decoding resulting in overlapping access
 
 * Commit exception state on exit to usrspace
 
 * Fix the MMU notifier return values
 
 * Add missing 'static' qualifiers in the new host stage-2 code
 
 x86 fixes:
 * fix guest missed wakeup with assigned devices
 
 * fix WARN reported by syzkaller
 
 * do not use BIT() in UAPI headers
 
 * make the kvm_amd.avic parameter bool
 
 PPC fixes:
 * make halt polling heuristics consistent with other architectures
 
 selftests:
 * various fixes
 
 * new performance selftest memslot_perf_test
 
 * test UFFD minor faults in demand_paging_test
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "ARM fixes:

   - Another state update on exit to userspace fix

   - Prevent the creation of mixed 32/64 VMs

   - Fix regression with irqbypass not restarting the guest on failed
     connect

   - Fix regression with debug register decoding resulting in
     overlapping access

   - Commit exception state on exit to usrspace

   - Fix the MMU notifier return values

   - Add missing 'static' qualifiers in the new host stage-2 code

  x86 fixes:

   - fix guest missed wakeup with assigned devices

   - fix WARN reported by syzkaller

   - do not use BIT() in UAPI headers

   - make the kvm_amd.avic parameter bool

  PPC fixes:

   - make halt polling heuristics consistent with other architectures

  selftests:

   - various fixes

   - new performance selftest memslot_perf_test

   - test UFFD minor faults in demand_paging_test"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (44 commits)
  selftests: kvm: fix overlapping addresses in memslot_perf_test
  KVM: X86: Kill off ctxt->ud
  KVM: X86: Fix warning caused by stale emulation context
  KVM: X86: Use kvm_get_linear_rip() in single-step and #DB/#BP interception
  KVM: x86/mmu: Fix comment mentioning skip_4k
  KVM: VMX: update vcpu posted-interrupt descriptor when assigning device
  KVM: rename KVM_REQ_PENDING_TIMER to KVM_REQ_UNBLOCK
  KVM: x86: add start_assignment hook to kvm_x86_ops
  KVM: LAPIC: Narrow the timer latency between wait_lapic_expire and world switch
  selftests: kvm: do only 1 memslot_perf_test run by default
  KVM: X86: Use _BITUL() macro in UAPI headers
  KVM: selftests: add shared hugetlbfs backing source type
  KVM: selftests: allow using UFFD minor faults for demand paging
  KVM: selftests: create alias mappings when using shared memory
  KVM: selftests: add shmem backing source type
  KVM: selftests: refactor vm_mem_backing_src_type flags
  KVM: selftests: allow different backing source types
  KVM: selftests: compute correct demand paging size
  KVM: selftests: simplify setup_demand_paging error handling
  KVM: selftests: Print a message if /dev/kvm is missing
  ...
2021-05-29 06:02:25 -10:00
Linus Torvalds
5ff2756afd NFS client bugfixes for Linux 5.13
Highlights include:
 
 Stable fixes
 - Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
 - Fix Oops in xs_tcp_send_request() when transport is disconnected
 - Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
 
 Bugfixes
 - Fix instances where signal_pending() should be fatal_signal_pending()
 - fix an incorrect limit in filelayout_decode_layout()
 - Fixes for the SUNRPC backlogged RPC queue
 - Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
 - Revert commit 586a0787ce ("Clean up rpcrdma_prepare_readch()")
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Merge tag 'nfs-for-5.13-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:
"Stable fixes:
   - Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
   - Fix Oops in xs_tcp_send_request() when transport is disconnected
   - Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()

  Bugfixes:
   - Fix instances where signal_pending() should be fatal_signal_pending()
   - fix an incorrect limit in filelayout_decode_layout()
   - Fixes for the SUNRPC backlogged RPC queue
   - Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
   - Revert commit 586a0787ce ("Clean up rpcrdma_prepare_readch()")"

* tag 'nfs-for-5.13-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  nfs: Remove trailing semicolon in macros
  xprtrdma: Revert 586a0787ce
  NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
  NFS: Clean up reset of the mirror accounting variables
  NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
  NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
  SUNRPC: More fixes for backlog congestion
  SUNRPC: Fix Oops in xs_tcp_send_request() when transport is disconnected
  NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
  SUNRPC in case of backlog, hand free slots directly to waiting task
  pNFS/NFSv4: Remove redundant initialization of 'rd_size'
  NFS: fix an incorrect limit in filelayout_decode_layout()
  fs/nfs: Use fatal_signal_pending instead of signal_pending
2021-05-28 08:53:19 -10:00
Linus Torvalds
fc683f967a sound fixes for 5.12-rc4
A slightly high volume at this time due to pending ASoC fixes.
 While there are a few generic simple-card fixes for regressions,
 most of the changes are device-specific fixes: ASoC Intel SOF, codec
 clocks, other codec / platform fixes as well as usual HD-audio and
 USB-audio.
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Merge tag 'sound-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A slightly high volume at this time due to pending ASoC fixes.

  While there are a few generic simple-card fixes for regressions, most
  of the changes are device-specific fixes: ASoC Intel SOF, codec
  clocks, other codec / platform fixes as well as usual HD-audio and
  USB-audio"

* tag 'sound-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (37 commits)
  ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 17 G8
  ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 15 G8
  ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook G8
  ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8
  ALSA: hda/realtek: Chain in pop reduction fixup for ThinkStation P340
  ALSA: usb-audio: scarlett2: snd_scarlett_gen2_controls_create() can be static
  ALSA: hda/realtek: the bass speaker can't output sound on Yoga 9i
  ALSA: hda/realtek: Headphone volume is controlled by Front mixer
  ALSA: usb-audio: scarlett2: Improve driver startup messages
  ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci
  ALSA: usb-audio: fix control-request direction
  ASoC: qcom: lpass-cpu: Use optional clk APIs
  ASoC: cs35l33: fix an error code in probe()
  ASoC: SOF: Intel: hda: don't send DAI_CONFIG IPC for older firmware
  ASoC: fsl: fix SND_SOC_IMX_RPMSG dependency
  ASoC: cs42l52: Minor tidy up of error paths
  ASoC: cs35l32: Add missing regmap use_single config
  ASoC: cs35l34: Add missing regmap use_single config
  ASoC: cs42l73: Add missing regmap use_single config
  ASoC: cs53l30: Add missing regmap use_single config
  ...
2021-05-28 08:47:50 -10:00
Linus Torvalds
8508b97ae2 Clang feature fixes for v5.13-rc4
- Correctly pass stack frame size checking under LTO (Nick Desaulniers)
 
 - Avoid CFI mismatches by checking initcall_t types (Marco Elver)
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Merge tag 'clang-features-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull clang feature fixes from Kees Cook:

 - Correctly pass stack frame size checking under LTO (Nick Desaulniers)

 - Avoid CFI mismatches by checking initcall_t types (Marco Elver)

* tag 'clang-features-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  Makefile: LTO: have linker check -Wframe-larger-than
  init: verify that function is initcall_t at compile-time
2021-05-28 08:31:48 -10:00
Marcelo Tosatti
084071d5e9 KVM: rename KVM_REQ_PENDING_TIMER to KVM_REQ_UNBLOCK
KVM_REQ_UNBLOCK will be used to exit a vcpu from
its inner vcpu halt emulation loop.

Rename KVM_REQ_PENDING_TIMER to KVM_REQ_UNBLOCK, switch
PowerPC to arch specific request bit.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Message-Id: <20210525134321.303768132@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-27 07:57:38 -04:00
Joe Richey
fb1070d18e KVM: X86: Use _BITUL() macro in UAPI headers
Replace BIT() in KVM's UPAI header with _BITUL(). BIT() is not defined
in the UAPI headers and its usage may cause userspace build errors.

Fixes: fb04a1eddb ("KVM: X86: Implement ring-based dirty memory tracking")
Signed-off-by: Joe Richey <joerichey@google.com>
Message-Id: <20210521085849.37676-3-joerichey94@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-27 07:45:57 -04:00
Wanpeng Li
6bd5b74368 KVM: PPC: exit halt polling on need_resched()
This is inspired by commit 262de4102c (kvm: exit halt polling on
need_resched() as well). Due to PPC implements an arch specific halt
polling logic, we have to the need_resched() check there as well. This
patch adds a helper function that can be shared between book3s and generic
halt-polling loops.

Reviewed-by: David Matlack <dmatlack@google.com>
Reviewed-by: Venkatesh Srinivas <venkateshs@chromium.org>
Cc: Ben Segall <bsegall@google.com>
Cc: Venkatesh Srinivas <venkateshs@chromium.org>
Cc: Jim Mattson <jmattson@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: Paul Mackerras <paulus@ozlabs.org>
Cc: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1621339235-11131-1-git-send-email-wanpengli@tencent.com>
[Make the function inline. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-27 07:45:50 -04:00
Linus Torvalds
d7c5303fbc Networking fixes for 5.13-rc4, including fixes from bpf, netfilter,
can and wireless trees. Notably including fixes for the recently
 announced "FragAttacks" WiFi vulnerabilities. Rather large batch,
 touching some core parts of the stack, too, but nothing hair-raising.
 
 Current release - regressions:
 
  - tipc: make node link identity publish thread safe
 
  - dsa: felix: re-enable TAS guard band mode
 
  - stmmac: correct clocks enabled in stmmac_vlan_rx_kill_vid()
 
  - stmmac: fix system hang if change mac address after interface ifdown
 
 Current release - new code bugs:
 
  - mptcp: avoid OOB access in setsockopt()
 
  - bpf: Fix nested bpf_bprintf_prepare with more per-cpu buffers
 
  - ethtool: stats: fix a copy-paste error - init correct array size
 
 Previous releases - regressions:
 
  - sched: fix packet stuck problem for lockless qdisc
 
  - net: really orphan skbs tied to closing sk
 
  - mlx4: fix EEPROM dump support
 
  - bpf: fix alu32 const subreg bound tracking on bitwise operations
 
  - bpf: fix mask direction swap upon off reg sign change
 
  - bpf, offload: reorder offload callback 'prepare' in verifier
 
  - stmmac: Fix MAC WoL not working if PHY does not support WoL
 
  - packetmmap: fix only tx timestamp on request
 
  - tipc: skb_linearize the head skb when reassembling msgs
 
 Previous releases - always broken:
 
  - mac80211: address recent "FragAttacks" vulnerabilities
 
  - mac80211: do not accept/forward invalid EAPOL frames
 
  - mptcp: avoid potential error message floods
 
  - bpf, ringbuf: deny reserve of buffers larger than ringbuf to prevent
                  out of buffer writes
 
  - bpf: forbid trampoline attach for functions with variable arguments
 
  - bpf: add deny list of functions to prevent inf recursion of tracing
         programs
 
  - tls splice: check SPLICE_F_NONBLOCK instead of MSG_DONTWAIT
 
  - can: isotp: prevent race between isotp_bind() and isotp_setsockopt()
 
  - netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check,
               fallback to non-AVX2 version
 
 Misc:
 
  - bpf: add kconfig knob for disabling unpriv bpf by default
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Merge tag 'net-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.13-rc4, including fixes from bpf, netfilter,
  can and wireless trees. Notably including fixes for the recently
  announced "FragAttacks" WiFi vulnerabilities. Rather large batch,
  touching some core parts of the stack, too, but nothing hair-raising.

  Current release - regressions:

   - tipc: make node link identity publish thread safe

   - dsa: felix: re-enable TAS guard band mode

   - stmmac: correct clocks enabled in stmmac_vlan_rx_kill_vid()

   - stmmac: fix system hang if change mac address after interface
     ifdown

  Current release - new code bugs:

   - mptcp: avoid OOB access in setsockopt()

   - bpf: Fix nested bpf_bprintf_prepare with more per-cpu buffers

   - ethtool: stats: fix a copy-paste error - init correct array size

  Previous releases - regressions:

   - sched: fix packet stuck problem for lockless qdisc

   - net: really orphan skbs tied to closing sk

   - mlx4: fix EEPROM dump support

   - bpf: fix alu32 const subreg bound tracking on bitwise operations

   - bpf: fix mask direction swap upon off reg sign change

   - bpf, offload: reorder offload callback 'prepare' in verifier

   - stmmac: Fix MAC WoL not working if PHY does not support WoL

   - packetmmap: fix only tx timestamp on request

   - tipc: skb_linearize the head skb when reassembling msgs

  Previous releases - always broken:

   - mac80211: address recent "FragAttacks" vulnerabilities

   - mac80211: do not accept/forward invalid EAPOL frames

   - mptcp: avoid potential error message floods

   - bpf, ringbuf: deny reserve of buffers larger than ringbuf to
     prevent out of buffer writes

   - bpf: forbid trampoline attach for functions with variable arguments

   - bpf: add deny list of functions to prevent inf recursion of tracing
     programs

   - tls splice: check SPLICE_F_NONBLOCK instead of MSG_DONTWAIT

   - can: isotp: prevent race between isotp_bind() and
     isotp_setsockopt()

   - netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check,
     fallback to non-AVX2 version

  Misc:

   - bpf: add kconfig knob for disabling unpriv bpf by default"

* tag 'net-5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (172 commits)
  net: phy: Document phydev::dev_flags bits allocation
  mptcp: validate 'id' when stopping the ADD_ADDR retransmit timer
  mptcp: avoid error message on infinite mapping
  mptcp: drop unconditional pr_warn on bad opt
  mptcp: avoid OOB access in setsockopt()
  nfp: update maintainer and mailing list addresses
  net: mvpp2: add buffer header handling in RX
  bnx2x: Fix missing error code in bnx2x_iov_init_one()
  net: zero-initialize tc skb extension on allocation
  net: hns: Fix kernel-doc
  sctp: fix the proc_handler for sysctl encap_port
  sctp: add the missing setting for asoc encap_port
  bpf, selftests: Adjust few selftest result_unpriv outcomes
  bpf: No need to simulate speculative domain for immediates
  bpf: Fix mask direction swap upon off reg sign change
  bpf: Wrap aux data inside bpf_sanitize_info container
  bpf: Fix BPF_LSM kconfig symbol dependency
  selftests/bpf: Add test for l3 use of bpf_redirect_peer
  bpftool: Add sock_release help info for cgroup attach/prog load command
  net: dsa: microchip: enable phy errata workaround on 9567
  ...
2021-05-26 17:44:49 -10:00
Florian Fainelli
62f3415db2 net: phy: Document phydev::dev_flags bits allocation
Document the phydev::dev_flags bit allocation to allow bits 15:0 to
define PHY driver specific behavior, bits 23:16 to be reserved for now,
and bits 31:24 to hold generic PHY driver flags.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20210526184617.3105012-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-05-26 13:15:55 -07:00
Trond Myklebust
e86be3a04b SUNRPC: More fixes for backlog congestion
Ensure that we fix the XPRT_CONGESTED starvation issue for RDMA as well
as socket based transports.
Ensure we always initialise the request after waking up from the backlog
list.

Fixes: e877a88d1f ("SUNRPC in case of backlog, hand free slots directly to waiting task")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2021-05-26 06:36:13 -04:00
Vlad Buslov
9453d45ecb net: zero-initialize tc skb extension on allocation
Function skb_ext_add() doesn't initialize created skb extension with any
value and leaves it up to the user. However, since extension of type
TC_SKB_EXT originally contained only single value tc_skb_ext->chain its
users used to just assign the chain value without setting whole extension
memory to zero first. This assumption changed when TC_SKB_EXT extension was
extended with additional fields but not all users were updated to
initialize the new fields which leads to use of uninitialized memory
afterwards. UBSAN log:

[  778.299821] UBSAN: invalid-load in net/openvswitch/flow.c:899:28
[  778.301495] load of value 107 is not a valid value for type '_Bool'
[  778.303215] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc7+ #2
[  778.304933] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[  778.307901] Call Trace:
[  778.308680]  <IRQ>
[  778.309358]  dump_stack+0xbb/0x107
[  778.310307]  ubsan_epilogue+0x5/0x40
[  778.311167]  __ubsan_handle_load_invalid_value.cold+0x43/0x48
[  778.312454]  ? memset+0x20/0x40
[  778.313230]  ovs_flow_key_extract.cold+0xf/0x14 [openvswitch]
[  778.314532]  ovs_vport_receive+0x19e/0x2e0 [openvswitch]
[  778.315749]  ? ovs_vport_find_upcall_portid+0x330/0x330 [openvswitch]
[  778.317188]  ? create_prof_cpu_mask+0x20/0x20
[  778.318220]  ? arch_stack_walk+0x82/0xf0
[  778.319153]  ? secondary_startup_64_no_verify+0xb0/0xbb
[  778.320399]  ? stack_trace_save+0x91/0xc0
[  778.321362]  ? stack_trace_consume_entry+0x160/0x160
[  778.322517]  ? lock_release+0x52e/0x760
[  778.323444]  netdev_frame_hook+0x323/0x610 [openvswitch]
[  778.324668]  ? ovs_netdev_get_vport+0xe0/0xe0 [openvswitch]
[  778.325950]  __netif_receive_skb_core+0x771/0x2db0
[  778.327067]  ? lock_downgrade+0x6e0/0x6f0
[  778.328021]  ? lock_acquire+0x565/0x720
[  778.328940]  ? generic_xdp_tx+0x4f0/0x4f0
[  778.329902]  ? inet_gro_receive+0x2a7/0x10a0
[  778.330914]  ? lock_downgrade+0x6f0/0x6f0
[  778.331867]  ? udp4_gro_receive+0x4c4/0x13e0
[  778.332876]  ? lock_release+0x52e/0x760
[  778.333808]  ? dev_gro_receive+0xcc8/0x2380
[  778.334810]  ? lock_downgrade+0x6f0/0x6f0
[  778.335769]  __netif_receive_skb_list_core+0x295/0x820
[  778.336955]  ? process_backlog+0x780/0x780
[  778.337941]  ? mlx5e_rep_tc_netdevice_event_unregister+0x20/0x20 [mlx5_core]
[  778.339613]  ? seqcount_lockdep_reader_access.constprop.0+0xa7/0xc0
[  778.341033]  ? kvm_clock_get_cycles+0x14/0x20
[  778.342072]  netif_receive_skb_list_internal+0x5f5/0xcb0
[  778.343288]  ? __kasan_kmalloc+0x7a/0x90
[  778.344234]  ? mlx5e_handle_rx_cqe_mpwrq+0x9e0/0x9e0 [mlx5_core]
[  778.345676]  ? mlx5e_xmit_xdp_frame_mpwqe+0x14d0/0x14d0 [mlx5_core]
[  778.347140]  ? __netif_receive_skb_list_core+0x820/0x820
[  778.348351]  ? mlx5e_post_rx_mpwqes+0xa6/0x25d0 [mlx5_core]
[  778.349688]  ? napi_gro_flush+0x26c/0x3c0
[  778.350641]  napi_complete_done+0x188/0x6b0
[  778.351627]  mlx5e_napi_poll+0x373/0x1b80 [mlx5_core]
[  778.352853]  __napi_poll+0x9f/0x510
[  778.353704]  ? mlx5_flow_namespace_set_mode+0x260/0x260 [mlx5_core]
[  778.355158]  net_rx_action+0x34c/0xa40
[  778.356060]  ? napi_threaded_poll+0x3d0/0x3d0
[  778.357083]  ? sched_clock_cpu+0x18/0x190
[  778.358041]  ? __common_interrupt+0x8e/0x1a0
[  778.359045]  __do_softirq+0x1ce/0x984
[  778.359938]  __irq_exit_rcu+0x137/0x1d0
[  778.360865]  irq_exit_rcu+0xa/0x20
[  778.361708]  common_interrupt+0x80/0xa0
[  778.362640]  </IRQ>
[  778.363212]  asm_common_interrupt+0x1e/0x40
[  778.364204] RIP: 0010:native_safe_halt+0xe/0x10
[  778.365273] Code: 4f ff ff ff 4c 89 e7 e8 50 3f 40 fe e9 dc fe ff ff 48 89 df e8 43 3f 40 fe eb 90 cc e9 07 00 00 00 0f 00 2d 74 05 62 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 64 05 62 00 f4 c3 cc cc 0f 1f 44 00
[  778.369355] RSP: 0018:ffffffff84407e48 EFLAGS: 00000246
[  778.370570] RAX: ffff88842de46a80 RBX: ffffffff84425840 RCX: ffffffff83418468
[  778.372143] RDX: 000000000026f1da RSI: 0000000000000004 RDI: ffffffff8343af5e
[  778.373722] RBP: fffffbfff0884b08 R08: 0000000000000000 R09: ffff88842de46bcb
[  778.375292] R10: ffffed1085bc8d79 R11: 0000000000000001 R12: 0000000000000000
[  778.376860] R13: ffffffff851124a0 R14: 0000000000000000 R15: dffffc0000000000
[  778.378491]  ? rcu_eqs_enter.constprop.0+0xb8/0xe0
[  778.379606]  ? default_idle_call+0x5e/0xe0
[  778.380578]  default_idle+0xa/0x10
[  778.381406]  default_idle_call+0x96/0xe0
[  778.382350]  do_idle+0x3d4/0x550
[  778.383153]  ? arch_cpu_idle_exit+0x40/0x40
[  778.384143]  cpu_startup_entry+0x19/0x20
[  778.385078]  start_kernel+0x3c7/0x3e5
[  778.385978]  secondary_startup_64_no_verify+0xb0/0xbb

Fix the issue by providing new function tc_skb_ext_alloc() that allocates
tc skb extension and initializes its memory to 0 before returning it to the
caller. Change all existing users to use new API instead of calling
skb_ext_add() directly.

Fixes: 038ebb1a71 ("net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct")
Fixes: d29334c15d ("net/sched: act_api: fix miss set post_ct for ovs after do conntrack in act_ct")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Acked-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-25 15:36:42 -07:00
Takashi Iwai
dad19afce9 ASoC: Fixes for v5.13
A collection of fixes that have come in since the merge window, mainly
 device specific things.  The fixes to the generic cards from
 Morimoto-san are handling regressions that were introduced in the merge
 window on at least the Kontron sl28-var3-ads2.
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Merge tag 'asoc-fix-v5.13-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.13

A collection of fixes that have come in since the merge window, mainly
device specific things.  The fixes to the generic cards from
Morimoto-san are handling regressions that were introduced in the merge
window on at least the Kontron sl28-var3-ads2.
2021-05-25 08:58:01 +02:00
Marco Elver
1cb61759d4 init: verify that function is initcall_t at compile-time
In the spirit of making it hard to misuse an interface, add a
compile-time assertion in the CONFIG_HAVE_ARCH_PREL32_RELOCATIONS case
to verify the initcall function matches initcall_t, because the inline
asm bypasses any type-checking the compiler would otherwise do. This
will help developers catch incorrect API use in all configurations.

A recent example of this is:
https://lkml.kernel.org/r/20210514140015.2944744-1-arnd@kernel.org

Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210521072610.2880286-1-elver@google.com
2021-05-24 15:24:33 -07:00
Linus Torvalds
1434a31278 Merge branch 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:

 - "cgroup_disable=" boot param was being applied too late confusing
   some subsystems. Fix it by moving application to __setup() time.

 - Comment spelling fixes. Included here to lower the chance of trivial
   future merge conflicts.

* 'for-5.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: fix spelling mistakes
  cgroup: disable controllers at parse time
2021-05-24 07:46:31 -10:00
Linus Torvalds
f71d49e01b spi: Fixes for v5.13
There's some device specific fixes here but also an unusually large
 number of fixes for the core, including both fixes for breakage
 introduced on ACPI systems while fixing the long standing confusion
 about the polarity of GPIO chip selects specified through DT, and fixes
 for ordering issues on unregistration which have been exposed through
 the wider usage of devm_.
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Merge tag 'spi-fix-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There's some device specific fixes here but also an unusually large
  number of fixes for the core, including both fixes for breakage
  introduced on ACPI systems while fixing the long standing confusion
  about the polarity of GPIO chip selects specified through DT, and
  fixes for ordering issues on unregistration which have been exposed
  through the wider usage of devm_."

* tag 'spi-fix-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: sc18is602: implement .max_{transfer,message}_size() for the controller
  spi: sc18is602: don't consider the chip select byte in sc18is602_check_transfer
  MAINTAINERS: Add Alain Volmat as STM32 SPI maintainer
  dt-bindings: spi: spi-mux: rename flash node
  spi: Don't have controller clean up spi device before driver unbind
  spi: Assume GPIO CS active high in ACPI case
  spi: sprd: Add missing MODULE_DEVICE_TABLE
  spi: Switch to signed types for *_native_cs SPI controller fields
  spi: take the SPI IO-mutex in the spi_set_cs_timing method
  spi: spi-fsl-dspi: Fix a resource leak in an error handling path
  spi: spi-zynq-qspi: Fix stack violation bug
  spi: spi-zynq-qspi: Fix kernel-doc warning
  spi: altera: Make SPI_ALTERA_CORE invisible
  spi: Fix spi device unregister flow
2021-05-24 07:22:41 -10:00
Zhen Lei
08b2b6fdf6 cgroup: fix spelling mistakes
Fix some spelling mistakes in comments:
hierarhcy ==> hierarchy
automtically ==> automatically
overriden ==> overridden
In absense of .. or ==> In absence of .. and
assocaited ==> associated
taget ==> target
initate ==> initiate
succeded ==> succeeded
curremt ==> current
udpated ==> updated

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2021-05-24 12:45:26 -04:00
Rikard Falkeborn
f747e6667e linux/bits.h: fix compilation error with GENMASK
GENMASK() has an input check which uses __builtin_choose_expr() to
enable a compile time sanity check of its inputs if they are known at
compile time.

However, it turns out that __builtin_constant_p() does not always return
a compile time constant [0].  It was thought this problem was fixed with
gcc 4.9 [1], but apparently this is not the case [2].

Switch to use __is_constexpr() instead which always returns a compile time
constant, regardless of its inputs.

Link: https://lore.kernel.org/lkml/42b4342b-aefc-a16a-0d43-9f9c0d63ba7a@rasmusvillemoes.dk [0]
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19449 [1]
Link: https://lore.kernel.org/lkml/1ac7bbc2-45d9-26ed-0b33-bf382b8d858b@I-love.SAKURA.ne.jp [2]
Link: https://lkml.kernel.org/r/20210511203716.117010-1-rikard.falkeborn@gmail.com
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-22 15:09:07 -10:00
Linus Torvalds
4ff2473bdb block-5.13-2021-05-22
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Merge tag 'block-5.13-2021-05-22' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Fix BLKRRPART and deletion race (Gulam, Christoph)

 - NVMe pull request (Christoph):
      - nvme-tcp corruption and timeout fixes (Sagi Grimberg, Keith
        Busch)
      - nvme-fc teardown fix (James Smart)
      - nvmet/nvme-loop memory leak fixes (Wu Bo)"

* tag 'block-5.13-2021-05-22' of git://git.kernel.dk/linux-block:
  block: fix a race between del_gendisk and BLKRRPART
  block: prevent block device lookups at the beginning of del_gendisk
  nvme-fc: clear q_live at beginning of association teardown
  nvme-tcp: rerun io_work if req_list is not empty
  nvme-tcp: fix possible use-after-completion
  nvme-loop: fix memory leak in nvme_loop_create_ctrl()
  nvmet: fix memory leak in nvmet_alloc_ctrl()
2021-05-22 07:40:34 -10:00
Rafael J. Wysocki
80dd33cf72 drivers: base: Fix device link removal
When device_link_free() drops references to the supplier and
consumer devices of the device link going away and the reference
being dropped turns out to be the last one for any of those
device objects, its ->release callback will be invoked and it
may sleep which goes against the SRCU callback execution
requirements.

To address this issue, make the device link removal code carry out
the device_link_free() actions preceded by SRCU synchronization from
a separate work item (the "long" workqueue is used for that, because
it does not matter when the device link memory is released and it may
take time to get to that point) instead of using SRCU callbacks.

While at it, make the code work analogously when SRCU is not enabled
to reduce the differences between the SRCU and non-SRCU cases.

Fixes: 843e600b8a ("driver core: Fix sleeping in invalid context during device link deletion")
Cc: stable <stable@vger.kernel.org>
Reported-by: chenxiang (M) <chenxiang66@hisilicon.com>
Tested-by: chenxiang (M) <chenxiang66@hisilicon.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/5722787.lOV4Wx5bFT@kreacher
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 22:12:09 +02:00
Linus Torvalds
a0e31f3a38 Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo fix from Eric Biederman:
 "During the merge window an issue with si_perf and the siginfo ABI came
  up. The alpha and sparc siginfo structure layout had changed with the
  addition of SIGTRAP TRAP_PERF and the new field si_perf.

  The reason only alpha and sparc were affected is that they are the
  only architectures that use si_trapno.

  Looking deeper it was discovered that si_trapno is used for only a few
  select signals on alpha and sparc, and that none of the other
  _sigfault fields past si_addr are used at all. Which means technically
  no regression on alpha and sparc.

  While the alignment concerns might be dismissed the abuse of si_errno
  by SIGTRAP TRAP_PERF does have the potential to cause regressions in
  existing userspace.

  While we still have time before userspace starts using and depending
  on the new definition siginfo for SIGTRAP TRAP_PERF this set of
  changes cleans up siginfo_t.

   - The si_trapno field is demoted from magic alpha and sparc status
     and made an ordinary union member of the _sigfault member of
     siginfo_t. Without moving it of course.

   - si_perf is replaced with si_perf_data and si_perf_type ending the
     abuse of si_errno.

   - Unnecessary additions to signalfd_siginfo are removed"

* 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
  signal: Deliver all of the siginfo perf data in _perf
  signal: Factor force_sig_perf out of perf_sigtrap
  signal: Implement SIL_FAULT_TRAPNO
  siginfo: Move si_trapno inside the union inside _si_fault
2021-05-21 06:12:52 -10:00
Linus Torvalds
9ebd811816 platform-drivers-x86 for v5.13-2
Assorted pdx86 bug-fixes and model-specific quirks for 5.13.
 
 The following is an automated git shortlog grouped by driver:
 
 dell-smbios-wmi:
  -  Fix oops on rmmod dell_smbios
 
 gigabyte-wmi:
  -  add support for B550 Aorus Elite
  -  add support for X570 UD
  -  streamline dmi matching
 
 hp-wireless:
  -  add AMD's hardware id to the supported list
 
 hp_accel:
  -  Avoid invoking _INI to speed up resume
 
 ideapad-laptop:
  -  fix method name typo
  -  fix a NULL pointer dereference
 
 intel_int0002_vgpio:
  -  Only call enable_irq_wake() when using s2idle
 
 intel_punit_ipc:
  -  Append MODULE_DEVICE_TABLE for ACPI
 
 platform/mellanox:
  -  mlxbf-tmfifo: Fix a memory barrier issue
 
 platform/surface:
  -  dtx: Fix poll function
  -  aggregator: Add platform-drivers-x86 list to MAINTAINERS entry
  -  aggregator: avoid clang -Wconstant-conversion warning
  -  aggregator: Do not mark interrupt as shared
 
 touchscreen_dmi:
  -  Add info for the Chuwi Hi10 Pro (CWI529) tablet
  -  Add info for the Mediacom Winpad 7.0 W700 tablet
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Merge tag 'platform-drivers-x86-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:
 "Assorted pdx86 bug-fixes and model-specific quirks for 5.13"

* tag 'platform-drivers-x86-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the Chuwi Hi10 Pro (CWI529) tablet
  platform/x86: touchscreen_dmi: Add info for the Mediacom Winpad 7.0 W700 tablet
  platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
  platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios
  platform/x86: hp-wireless: add AMD's hardware id to the supported list
  platform/x86: intel_int0002_vgpio: Only call enable_irq_wake() when using s2idle
  platform/x86: gigabyte-wmi: add support for B550 Aorus Elite
  platform/x86: gigabyte-wmi: add support for X570 UD
  platform/x86: gigabyte-wmi: streamline dmi matching
  platform/mellanox: mlxbf-tmfifo: Fix a memory barrier issue
  platform/surface: dtx: Fix poll function
  platform/surface: aggregator: Add platform-drivers-x86 list to MAINTAINERS entry
  platform/surface: aggregator: avoid clang -Wconstant-conversion warning
  platform/surface: aggregator: Do not mark interrupt as shared
  platform/x86: hp_accel: Avoid invoking _INI to speed up resume
  platform/x86: ideapad-laptop: fix method name typo
  platform/x86: ideapad-laptop: fix a NULL pointer dereference
2021-05-20 06:40:20 -10:00
Linus Torvalds
50f09a3dd5 Char/misc driver fixes for 5.13-rc3
Here is a big set of char/misc/other driver fixes for 5.13-rc3.
 
 The majority here is the fallout of the umn.edu re-review of all prior
 submissions.  That resulted in a bunch of reverts along with the
 "correct" changes made, such that there is no regression of any of the
 potential fixes that were made by those individuals.  I would like to
 thank the over 80 different developers who helped with the review and
 fixes for this mess.
 
 Other than that, there's a few habanna driver fixes for reported issues,
 and some dyndbg fixes for reported problems.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here is a big set of char/misc/other driver fixes for 5.13-rc3.

  The majority here is the fallout of the umn.edu re-review of all prior
  submissions. That resulted in a bunch of reverts along with the
  "correct" changes made, such that there is no regression of any of the
  potential fixes that were made by those individuals. I would like to
  thank the over 80 different developers who helped with the review and
  fixes for this mess.

  Other than that, there's a few habanna driver fixes for reported
  issues, and some dyndbg fixes for reported problems.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (82 commits)
  misc: eeprom: at24: check suspend status before disable regulator
  uio_hv_generic: Fix another memory leak in error handling paths
  uio_hv_generic: Fix a memory leak in error handling paths
  uio/uio_pci_generic: fix return value changed in refactoring
  Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference""
  dyndbg: drop uninformative vpr_info
  dyndbg: avoid calling dyndbg_emit_prefix when it has no work
  binder: Return EFAULT if we fail BINDER_ENABLE_ONEWAY_SPAM_DETECTION
  cdrom: gdrom: initialize global variable at init time
  brcmfmac: properly check for bus register errors
  Revert "brcmfmac: add a check for the status of usb_register"
  video: imsttfb: check for ioremap() failures
  Revert "video: imsttfb: fix potential NULL pointer dereferences"
  net: liquidio: Add missing null pointer checks
  Revert "net: liquidio: fix a NULL pointer dereference"
  media: gspca: properly check for errors in po1030_probe()
  Revert "media: gspca: Check the return value of write_bridge for timeout"
  media: gspca: mt9m111: Check write_bridge for timeout
  Revert "media: gspca: mt9m111: Check write_bridge for timeout"
  media: dvb: Add check on sp8870_readreg return
  ...
2021-05-20 06:31:52 -10:00
Christoph Hellwig
6c60ff048c block: prevent block device lookups at the beginning of del_gendisk
As an artifact of how gendisk lookup used to work in earlier kernels,
GENHD_FL_UP is only cleared very late in del_gendisk, and a global lock
is used to prevent opens from succeeding while del_gendisk is tearing
down the gendisk.  Switch to clearing the flag early and under bd_mutex
so that callers can use bd_mutex to stabilize the flag, which removes
the need for the global mutex.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20210514131842.1600568-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-05-20 07:59:35 -06:00
Arnd Bergmann
ba6e1d8422 platform/surface: aggregator: avoid clang -Wconstant-conversion warning
Clang complains about the assignment of SSAM_ANY_IID to
ssam_device_uid->instance:

drivers/platform/surface/surface_aggregator_registry.c:478:25: error: implicit conversion from 'int' to '__u8' (aka 'unsigned char') changes value from 65535 to 255 [-Werror,-Wconstant-conversion]
        { SSAM_VDEV(HUB, 0x02, SSAM_ANY_IID, 0x00) },
        ~                      ^~~~~~~~~~~~
include/linux/surface_aggregator/device.h:71:23: note: expanded from macro 'SSAM_ANY_IID'
 #define SSAM_ANY_IID            0xffff
                                ^~~~~~
include/linux/surface_aggregator/device.h:126:63: note: expanded from macro 'SSAM_VDEV'
        SSAM_DEVICE(SSAM_DOMAIN_VIRTUAL, SSAM_VIRTUAL_TC_##cat, tid, iid, fun)
                                                                     ^~~
include/linux/surface_aggregator/device.h:102:41: note: expanded from macro 'SSAM_DEVICE'
        .instance = ((iid) != SSAM_ANY_IID) ? (iid) : 0,                        \
                                               ^~~

The assignment doesn't actually happen, but clang checks the type limits
before checking whether this assignment is reached. Replace the ?:
operator with a __builtin_choose_expr() invocation that avoids the
warning for the untaken part.

Fixes: eb0e90a820 ("platform/surface: aggregator: Add dedicated bus and device type")
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210514200453.1542978-1-arnd@kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-05-19 15:24:52 +02:00
Eli Cohen
7c9f131f36 {net,vdpa}/mlx5: Configure interface MAC into mpfs L2 table
net/mlx5: Expose MPFS configuration API

MPFS is the multi physical function switch that bridges traffic between
the physical port and any physical functions associated with it. The
driver is required to add or remove MAC entries to properly forward
incoming traffic to the correct physical function.

We export the API to control MPFS so that other drivers, such as
mlx5_vdpa are able to add MAC addresses of their network interfaces.

The MAC address of the vdpa interface must be configured into the MPFS L2
address. Failing to do so could cause, in some NIC configurations, failure
to forward packets to the vdpa network device instance.

Fix this by adding calls to update the MPFS table.

CC: <mst@redhat.com>
CC: <jasowang@redhat.com>
CC: <virtualization@lists.linux-foundation.org>
Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-05-18 23:01:48 -07:00
Maor Gottlieb
3410fbcd47 {net, RDMA}/mlx5: Fix override of log_max_qp by other device
mlx5_core_dev holds pointer to static profile, hence when the
log_max_qp of the profile is override by some device, then it
effect all other mlx5 devices that share the same profile.
Fix it by having a profile instance for every mlx5 device.

Fixes: 883371c453 ("net/mlx5: Check FW limitations on log_max_qp before setting it")
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-05-18 23:01:19 -07:00
Eric W. Biederman
922e301304 signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
With the addition of ssi_perf_data and ssi_perf_type struct signalfd_siginfo
is dangerously close to running out of space.  All that remains is just
enough space for two additional 64bit fields.  A practice of adding all
possible siginfo_t fields into struct singalfd_siginfo can not be supported
as adding the missing fields ssi_lower, ssi_upper, and ssi_pkey would
require two 64bit fields and one 32bit fields.  In practice the fields
ssi_perf_data and ssi_perf_type can never be used by signalfd as the signal
that generates them always delivers them synchronously to the thread that
triggers them.

Therefore until someone actually needs the fields ssi_perf_data and
ssi_perf_type in signalfd_siginfo remove them.  This leaves a bit more room
for future expansion.

v1: https://lkml.kernel.org/r/20210503203814.25487-12-ebiederm@xmission.com
v2: https://lkml.kernel.org/r/20210505141101.11519-12-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-5-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
0683b53197 signal: Deliver all of the siginfo perf data in _perf
Don't abuse si_errno and deliver all of the perf data in _perf member
of siginfo_t.

Note: The data field in the perf data structures in a u64 to allow a
pointer to be encoded without needed to implement a 32bit and 64bit
version of the same structure.  There already exists a 32bit and 64bit
versions siginfo_t, and the 32bit version can not include a 64bit
member as it only has 32bit alignment.  So unsigned long is used in
siginfo_t instead of a u64 as unsigned long can encode a pointer on
all architectures linux supports.

v1: https://lkml.kernel.org/r/m11rarqqx2.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210503203814.25487-10-ebiederm@xmission.com
v3: https://lkml.kernel.org/r/20210505141101.11519-11-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-4-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
af5eeab7e8 signal: Factor force_sig_perf out of perf_sigtrap
Separate filling in siginfo for TRAP_PERF from deciding that
siginal needs to be sent.

There are enough little details that need to be correct when
properly filling in siginfo_t that it is easy to make mistakes
if filling in the siginfo_t is in the same function with other
logic.  So factor out force_sig_perf to reduce the cognative
load of on reviewers, maintainers and implementors.

v1: https://lkml.kernel.org/r/m17dkjqqxz.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-10-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-3-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
Eric W. Biederman
9abcabe311 signal: Implement SIL_FAULT_TRAPNO
Now that si_trapno is part of the union in _si_fault and available on
all architectures, add SIL_FAULT_TRAPNO and update siginfo_layout to
return SIL_FAULT_TRAPNO when the code assumes si_trapno is valid.

There is room for future changes to reduce when si_trapno is valid but
this is all that is needed to make si_trapno and the other members of
the the union in _sigfault mutually exclusive.

Update the code that uses siginfo_layout to deal with SIL_FAULT_TRAPNO
and have the same code ignore si_trapno in in all other cases.

v1: https://lkml.kernel.org/r/m1o8dvs7s7.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-6-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-2-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:34 -05:00
Eric W. Biederman
add0b32ef9 siginfo: Move si_trapno inside the union inside _si_fault
It turns out that linux uses si_trapno very sparingly, and as such it
can be considered extra information for a very narrow selection of
signals, rather than information that is present with every fault
reported in siginfo.

As such move si_trapno inside the union inside of _si_fault.  This
results in no change in placement, and makes it eaiser
to extend _si_fault in the future as this reduces the number of
special cases.  In particular with si_trapno included in the union it
is no longer a concern that the union must be pointer aligned on most
architectures because the union follows immediately after si_addr
which is a pointer.

This change results in a difference in siginfo field placement on
sparc and alpha for the fields si_addr_lsb, si_lower, si_upper,
si_pkey, and si_perf.  These architectures do not implement the
signals that would use si_addr_lsb, si_lower, si_upper, si_pkey, and
si_perf.  Further these architecture have not yet implemented the
userspace that would use si_perf.

The point of this change is in fact to correct these placement issues
before sparc or alpha grow userspace that cares.  This change was
discussed[1] and the agreement is that this change is currently safe.

[1]: https://lkml.kernel.org/r/CAK8P3a0+uKYwL1NhY6Hvtieghba2hKYGD6hcKx5n8=4Gtt+pHA@mail.gmail.com
Acked-by: Marco Elver <elver@google.com>
v1: https://lkml.kernel.org/r/m1tunns7yf.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-5-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-1-ebiederm@xmission.com
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:17:03 -05:00
Mark Brown
c37fe6aff8 Linux 5.13-rc2
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Merge tag 'v5.13-rc2' into spi-5.13

Linux 5.13-rc2
2021-05-18 17:24:52 +01:00
Dongliang Mu
e0652f8bb4 NFC: nci: fix memory leak in nci_allocate_device
nfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev.
Fix this by freeing hci_dev in nci_free_device.

BUG: memory leak
unreferenced object 0xffff888111ea6800 (size 1024):
  comm "kworker/1:0", pid 19, jiffies 4294942308 (age 13.580s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff  .........`......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline]
    [<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline]
    [<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784
    [<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline]
    [<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132
    [<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153
    [<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345
    [<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554

Reported-by: syzbot+19bcfc64a8df1318d1c3@syzkaller.appspotmail.com
Fixes: 11f54f2286 ("NFC: nci: Add HCI over NCI protocol support")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-17 13:56:29 -07:00
Jonathan Cameron
8dea228b17 iio: cros_ec_sensors: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
The samples buffer is passed to iio_push_to_buffers_with_timestamp()
which requires a buffer aligned to 8 bytes as it is assumed that
the timestamp will be naturally aligned if present.

Fixes tag is inaccurate but prior to that likely manual backporting needed
(for anything before 4.18) Earlier than that the include file to fix is
drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.h:
commit 974e6f02e2 ("iio: cros_ec_sensors_core: Add common functions
for the ChromeOS EC Sensor Hub.") present since kernel stable 4.10.
(Thanks to Gwendal for tracking this down)

Fixes: 5a0b8cb466 ("iio: cros_ec: Move cros_ec_sensors_core.h in /include")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org
Link: https://lore.kernel.org/r/20210501171352.512953-7-jic23@kernel.org
2021-05-17 13:54:30 +01:00
Andy Shevchenko
6731ca3999 iio: st_sensors: Add lsm9ds0 IMU support
We can utilize separate drivers for accelerometer and magnetometer,
so here is the glue driver to enable LSM9DS0 IMU support.

The idea was suggested by Crestez Dan Leonard in [1]. The proposed change
was sent as RFC due to race condition concerns, which are indeed possible.

In order to amend the initial change, I went further by providing a specific
multi-instantiate probe driver that reuses existing accelerometer and
magnetometer.

[1]: https://lore.kernel.org/patchwork/patch/670353/

Suggested-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Cc: mr.lahorde@laposte.net
Cc: Matija Podravec <matija_podravec@fastmail.fm>
Cc: Sergey Borishchenko <borischenko.sergey@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414195454.84183-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-17 13:54:22 +01:00
Andy Shevchenko
d61881ef7f iio: st_sensors: Make accel, gyro, magn and pressure probe shared
Some IMUs may utilize existing library code for STMicro accelerometer,
gyroscope, magnetometer and pressure. Let's share them via st_sensors.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414195454.84183-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-17 13:54:22 +01:00
Andy Shevchenko
38934daf7b iio: magnetometer: st_magn: Provide default platform data
Provide default platform data for magnetometer in case it supports DRDY.

One case is LSM9DS0 IMU, on which it is the case. Since accelerometer
is using INT1, default magnetometer to INT2.

While at it, update description of the drdy_int_pin field.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210414195454.84183-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-17 13:54:22 +01:00
Jonathan Cameron
62a486c46d iio: core: move @clock_id from struct iio_dev to struct iio_dev_opaque
There is already an acessor function used to access it, making this
move straight forward.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-10-jic23@kernel.org
2021-05-17 13:54:21 +01:00
Jonathan Cameron
8b1c82cb84 iio: core: move @flags from struct iio_dev to struct iio_dev_opaque
No reason any driver should ever need access to this field, so hide it.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-9-jic23@kernel.org
2021-05-17 13:54:21 +01:00
Jonathan Cameron
396f723485 iio: core: move @chrdev from struct iio_dev to struct iio_dev_opaque
No reason for this to be exposed to the drivers, so lets move it to the
opaque structure.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-8-jic23@kernel.org
2021-05-17 13:54:17 +01:00
Jonathan Cameron
b804e2b76a iio: core: move @info_exist_lock to struct iio_dev_opaque
This lock is only of interest to the IIO core, so make it only
visible there.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-7-jic23@kernel.org
2021-05-17 13:49:13 +01:00
Jonathan Cameron
62f4f36cdf iio: core: move @scan_index_timestamp to struct iio_dev_opaque
No reason for this cached value to be exposed to drivers so move it
to the opaque structure.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-6-jic23@kernel.org
2021-05-17 13:49:13 +01:00
Jonathan Cameron
3028e0c2af iio: core: move @trig_readonly from struct iio_dev to struct iio_dev_opaque
This is only set via the iio_trig_set_immutable() call and later used
by the IIO core so there is no benefit in drivers being able to access
it.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-5-jic23@kernel.org
2021-05-17 13:49:13 +01:00