In this round, we've tried to address some performance issues in f2fs_checkpoint
and direct IO flows. Also, there was a work to enhance the page cache management
used for compression. Other than them, we've done typical work including sysfs,
code clean-ups, tracepoint, sanity check, in addition to bug fixes on corner
cases.
Enhancement:
- use iomap for direct IO
- try to avoid lock contention to improve f2fs_ckpt speed
- avoid unnecessary memory allocation in compression flow
- POSIX_FADV_DONTNEED drops the page cache containing compression pages
- add some sysfs entries (gc_urgent_high_remaining, pending_discard)
Bug fix:
- try not to expose unwritten blocks to user by DIO
: this was added to avoid merge conflict; another patch is coming to address
other missing case.
- relax minor error condition for file pinning feature used in Android OTA
- fix potential deadlock case in compression flow
- should not truncate any block on pinned file
In addition, we've done some code clean-ups and tracepoint/sanity check
improvement.
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Merge tag 'f2fs-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've tried to address some performance issues in
f2fs_checkpoint and direct IO flows. Also, there was a work to enhance
the page cache management used for compression. Other than them, we've
done typical work including sysfs, code clean-ups, tracepoint, sanity
check, in addition to bug fixes on corner cases.
Enhancements:
- use iomap for direct IO
- try to avoid lock contention to improve f2fs_ckpt speed
- avoid unnecessary memory allocation in compression flow
- POSIX_FADV_DONTNEED drops the page cache containing compression
pages
- add some sysfs entries (gc_urgent_high_remaining, pending_discard)
Bug fixes:
- try not to expose unwritten blocks to user by DIO (this was added
to avoid merge conflict; another patch is coming to address other
missing case)
- relax minor error condition for file pinning feature used in
Android OTA
- fix potential deadlock case in compression flow
- should not truncate any block on pinned file
In addition, we've done some code clean-ups and tracepoint/sanity
check improvement"
* tag 'f2fs-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (29 commits)
f2fs: do not allow partial truncation on pinned file
f2fs: remove redunant invalidate compress pages
f2fs: Simplify bool conversion
f2fs: don't drop compressed page cache in .{invalidate,release}page
f2fs: fix to reserve space for IO align feature
f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
f2fs: support fault injection to f2fs_trylock_op()
f2fs: clean up __find_inline_xattr() with __find_xattr()
f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr()
f2fs: do not bother checkpoint by f2fs_get_node_info
f2fs: avoid down_write on nat_tree_lock during checkpoint
f2fs: compress: fix potential deadlock of compress file
f2fs: avoid EINVAL by SBI_NEED_FSCK when pinning a file
f2fs: add gc_urgent_high_remaining sysfs node
f2fs: fix to do sanity check in is_alive()
f2fs: fix to avoid panic in is_alive() if metadata is inconsistent
f2fs: fix to do sanity check on inode type during garbage collection
f2fs: avoid duplicate call of mark_inode_dirty
f2fs: show number of pending discard commands
f2fs: support POSIX_FADV_DONTNEED drop compressed page cache
...
New support:
- DMA_MEMCPY_SG support is bought back as we have a user in Xilinx driver
- Support for TI J721S2 SoC in k3-udma driver
- Support for Ingenic MDMA and BDMA in the JZ4760
- Support for Renesas r8a779f0 dmac
Updates:
- We are finally getting rid of slave_id, so this brings in the changes
across tree for that using tag dmaengine_topic_slave_id_removal_5.17
- updates for idxd driver
- at_xdmac driver cleanup
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Merge tag 'dmaengine-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A bunch of new support and few updates to drivers:
New support:
- DMA_MEMCPY_SG support is bought back as we have a user in Xilinx
driver
- Support for TI J721S2 SoC in k3-udma driver
- Support for Ingenic MDMA and BDMA in the JZ4760
- Support for Renesas r8a779f0 dmac
Updates:
- We are finally getting rid of slave_id, so this brings in the
changes across tree for that
- updates for idxd driver
- at_xdmac driver cleanup"
* tag 'dmaengine-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (60 commits)
dt-bindings: dma-controller: Split interrupt fields in example
dmaengine: pch_dma: Remove usage of the deprecated "pci-dma-compat.h" API
dmaengine: at_xdmac: Fix race over irq_status
dmaengine: at_xdmac: Remove a level of indentation in at_xdmac_tasklet()
dmaengine: at_xdmac: Fix at_xdmac_lld struct definition
dmaengine: at_xdmac: Fix lld view setting
dmaengine: at_xdmac: Remove a level of indentation in at_xdmac_advance_work()
dmaengine: at_xdmac: Fix concurrency over xfers_list
dmaengine: at_xdmac: Move the free desc to the tail of the desc list
dmaengine: at_xdmac: Fix race for the tx desc callback
dmaengine: at_xdmac: Fix concurrency over chan's completed_cookie
dmaengine: at_xdmac: Print debug message after realeasing the lock
dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending
dmaengine: at_xdmac: Don't start transactions at tx_submit level
dmaengine: idxd: deprecate token sysfs attributes for read buffers
dmaengine: idxd: change bandwidth token to read buffers
dmaengine: idxd: fix wq settings post wq disable
dmaengine: idxd: change MSIX allocation based on per wq activation
dmaengine: idxd: fix descriptor flushing locking
dmaengine: idxd: embed irq_entry in idxd_wq struct
...
partial support for < MAX_ORDER - 1 granularity for virtio-mem
driver_override for vdpa
sysfs ABI documentation for vdpa
multiqueue config support for mlx5 vdpa
Misc fixes, cleanups.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"virtio,vdpa,qemu_fw_cfg: features, cleanups, and fixes.
- partial support for < MAX_ORDER - 1 granularity for virtio-mem
- driver_override for vdpa
- sysfs ABI documentation for vdpa
- multiqueue config support for mlx5 vdpa
- and misc fixes, cleanups"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (42 commits)
vdpa/mlx5: Fix tracking of current number of VQs
vdpa/mlx5: Fix is_index_valid() to refer to features
vdpa: Protect vdpa reset with cf_mutex
vdpa: Avoid taking cf_mutex lock on get status
vdpa/vdpa_sim_net: Report max device capabilities
vdpa: Use BIT_ULL for bit operations
vdpa/vdpa_sim: Configure max supported virtqueues
vdpa/mlx5: Report max device capabilities
vdpa: Support reporting max device capabilities
vdpa/mlx5: Restore cur_num_vqs in case of failure in change_num_qps()
vdpa: Add support for returning device configuration information
vdpa/mlx5: Support configuring max data virtqueue
vdpa/mlx5: Fix config_attr_mask assignment
vdpa: Allow to configure max data virtqueues
vdpa: Read device configuration only if FEATURES_OK
vdpa: Sync calls set/get config/status with cf_mutex
vdpa/mlx5: Distribute RX virtqueues in RQT object
vdpa: Provide interface to read driver features
vdpa: clean up get_config_size ret value handling
virtio_ring: mark ring unused on error
...
`driver_override` allows to control which of the vDPA bus drivers
binds to a vDPA device.
If `driver_override` is not set, the previous behaviour is followed:
devices use the first vDPA bus driver loaded (unless auto binding
is disabled).
Tested on Fedora 34 with driverctl(8):
$ modprobe virtio-vdpa
$ modprobe vhost-vdpa
$ modprobe vdpa-sim-net
$ vdpa dev add mgmtdev vdpasim_net name dev1
# dev1 is attached to the first vDPA bus driver loaded
$ driverctl -b vdpa list-devices
dev1 virtio_vdpa
$ driverctl -b vdpa set-override dev1 vhost_vdpa
$ driverctl -b vdpa list-devices
dev1 vhost_vdpa [*]
Note: driverctl(8) integrates with udev so the binding is
preserved.
Suggested-by: Jason Wang <jasowang@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20211126164753.181829-3-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add missing documentation of sysfs ABI for vDPA bus in
the new Documentation/ABI/testing/sysfs-bus-vdpa file.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20211126164753.181829-2-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Here is the large set of char, misc, and other "small" driver subsystem
changes for 5.17-rc1.
Lots of different things are in here for char/misc drivers such as:
- habanalabs driver updates
- mei driver updates
- lkdtm driver updates
- vmw_vmci driver updates
- android binder driver updates
- other small char/misc driver updates
Also smaller driver subsystems have also been updated, including:
- fpga subsystem updates
- iio subsystem updates
- soundwire subsystem updates
- extcon subsystem updates
- gnss subsystem updates
- phy subsystem updates
- coresight subsystem updates
- firmware subsystem updates
- comedi subsystem updates
- mhi subsystem updates
- speakup subsystem updates
- rapidio subsystem updates
- spmi subsystem updates
- virtual driver updates
- counter subsystem updates
Too many individual changes to summarize, the shortlog contains the full
details.
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 'char-misc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the large set of char, misc, and other "small" driver
subsystem changes for 5.17-rc1.
Lots of different things are in here for char/misc drivers such as:
- habanalabs driver updates
- mei driver updates
- lkdtm driver updates
- vmw_vmci driver updates
- android binder driver updates
- other small char/misc driver updates
Also smaller driver subsystems have also been updated, including:
- fpga subsystem updates
- iio subsystem updates
- soundwire subsystem updates
- extcon subsystem updates
- gnss subsystem updates
- phy subsystem updates
- coresight subsystem updates
- firmware subsystem updates
- comedi subsystem updates
- mhi subsystem updates
- speakup subsystem updates
- rapidio subsystem updates
- spmi subsystem updates
- virtual driver updates
- counter subsystem updates
Too many individual changes to summarize, the shortlog contains the
full details.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (406 commits)
counter: 104-quad-8: Fix use-after-free by quad8_irq_handler
dt-bindings: mux: Document mux-states property
dt-bindings: ti-serdes-mux: Add defines for J721S2 SoC
counter: remove old and now unused registration API
counter: ti-eqep: Convert to new counter registration
counter: stm32-lptimer-cnt: Convert to new counter registration
counter: stm32-timer-cnt: Convert to new counter registration
counter: microchip-tcb-capture: Convert to new counter registration
counter: ftm-quaddec: Convert to new counter registration
counter: intel-qep: Convert to new counter registration
counter: interrupt-cnt: Convert to new counter registration
counter: 104-quad-8: Convert to new counter registration
counter: Update documentation for new counter registration functions
counter: Provide alternative counter registration functions
counter: stm32-timer-cnt: Convert to counter_priv() wrapper
counter: stm32-lptimer-cnt: Convert to counter_priv() wrapper
counter: ti-eqep: Convert to counter_priv() wrapper
counter: ftm-quaddec: Convert to counter_priv() wrapper
counter: intel-qep: Convert to counter_priv() wrapper
counter: microchip-tcb-capture: Convert to counter_priv() wrapper
...
- Simplify the dax_operations API
- Eliminate bdev_dax_pgoff() in favor of the filesystem maintaining
and applying a partition offset to all its DAX iomap operations.
- Remove wrappers and device-mapper stacked callbacks for
->copy_from_iter() and ->copy_to_iter() in favor of moving
block_device relative offset responsibility to the
dax_direct_access() caller.
- Remove the need for an @bdev in filesystem-DAX infrastructure
- Remove unused uio helpers copy_from_iter_flushcache() and
copy_mc_to_iter() as only the non-check_copy_size() versions are
used for DAX.
- Prepare XFS for the pending (next merge window) DAX+reflink support
- Remove deprecated DEV_DAX_PMEM_COMPAT support
- Cleanup a straggling misuse of the GUID api
Tags offered after the branch was cut:
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/Ydb/3P+8nvjCjYfO@redhat.com
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Merge tag 'libnvdimm-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax and libnvdimm updates from Dan Williams:
"The bulk of this is a rework of the dax_operations API after
discovering the obstacles it posed to the work-in-progress DAX+reflink
support for XFS and other copy-on-write filesystem mechanics.
Primarily the need to plumb a block_device through the API to handle
partition offsets was a sticking point and Christoph untangled that
dependency in addition to other cleanups to make landing the
DAX+reflink support easier.
The DAX_PMEM_COMPAT option has been around for 4 years and not only
are distributions shipping userspace that understand the current
configuration API, but some are not even bothering to turn this option
on anymore, so it seems a good time to remove it per the deprecation
schedule. Recall that this was added after the device-dax subsystem
moved from /sys/class/dax to /sys/bus/dax for its sysfs organization.
All recent functionality depends on /sys/bus/dax.
Some other miscellaneous cleanups and reflink prep patches are
included as well.
Summary:
- Simplify the dax_operations API:
- Eliminate bdev_dax_pgoff() in favor of the filesystem
maintaining and applying a partition offset to all its DAX iomap
operations.
- Remove wrappers and device-mapper stacked callbacks for
->copy_from_iter() and ->copy_to_iter() in favor of moving
block_device relative offset responsibility to the
dax_direct_access() caller.
- Remove the need for an @bdev in filesystem-DAX infrastructure
- Remove unused uio helpers copy_from_iter_flushcache() and
copy_mc_to_iter() as only the non-check_copy_size() versions are
used for DAX.
- Prepare XFS for the pending (next merge window) DAX+reflink support
- Remove deprecated DEV_DAX_PMEM_COMPAT support
- Cleanup a straggling misuse of the GUID api"
* tag 'libnvdimm-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (38 commits)
iomap: Fix error handling in iomap_zero_iter()
ACPI: NFIT: Import GUID before use
dax: remove the copy_from_iter and copy_to_iter methods
dax: remove the DAXDEV_F_SYNC flag
dax: simplify dax_synchronous and set_dax_synchronous
uio: remove copy_from_iter_flushcache() and copy_mc_to_iter()
iomap: turn the byte variable in iomap_zero_iter into a ssize_t
memremap: remove support for external pgmap refcounts
fsdax: don't require CONFIG_BLOCK
iomap: build the block based code conditionally
dax: fix up some of the block device related ifdefs
fsdax: shift partition offset handling into the file systems
dax: return the partition offset from fs_dax_get_by_bdev
iomap: add a IOMAP_DAX flag
xfs: pass the mapping flags to xfs_bmbt_to_iomap
xfs: use xfs_direct_write_iomap_ops for DAX zeroing
xfs: move dax device handling into xfs_{alloc,free}_buftarg
ext4: cleanup the dax handling in ext4_fill_super
ext2: cleanup the dax handling in ext2_fill_super
fsdax: decouple zeroing from the iomap buffered I/O code
...
Here is the big set of USB and Thunderbolt driver changes for 5.17-rc1.
Nothing major in here, just lots of little updates and cleanups. These
include:
- some USB header fixes picked from Ingo's header-splitup work
- more USB4/Thunderbolt hardware support added
- USB gadget driver updates and additions
- USB typec additions (includes some acpi changes, which were
acked by the ACPI maintainer)
- core USB fixes as found by syzbot that were too late for
5.16-final
- USB dwc3 driver updates
- USB dwc2 driver updates
- platform_get_irq() conversions of some USB drivers
- other minor USB driver updates and additions
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-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver changes for
5.17-rc1.
Nothing major in here, just lots of little updates and cleanups. These
include:
- some USB header fixes picked from Ingo's header-splitup work
- more USB4/Thunderbolt hardware support added
- USB gadget driver updates and additions
- USB typec additions (includes some acpi changes, which were acked
by the ACPI maintainer)
- core USB fixes as found by syzbot that were too late for 5.16-final
- USB dwc3 driver updates
- USB dwc2 driver updates
- platform_get_irq() conversions of some USB drivers
- other minor USB driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (111 commits)
docs: ABI: fixed formatting in configfs-usb-gadget-uac2
usb: gadget: u_audio: Subdevice 0 for capture ctls
usb: gadget: u_audio: fix calculations for small bInterval
usb: dwc2: gadget: initialize max_speed from params
usb: dwc2: do not gate off the hardware if it does not support clock gating
usb: dwc3: qcom: Fix NULL vs IS_ERR checking in dwc3_qcom_probe
headers/deps: USB: Optimize <linux/usb/ch9.h> dependencies, remove <linux/device.h>
USB: common: debug: add needed kernel.h include
headers/prep: Fix non-standard header section: drivers/usb/host/ohci-tmio.c
headers/prep: Fix non-standard header section: drivers/usb/cdns3/core.h
headers/prep: usb: gadget: Fix namespace collision
USB: core: Fix bug in resuming hub's handling of wakeup requests
USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
usb: dwc3: dwc3-qcom: Add missing platform_device_put() in dwc3_qcom_acpi_register_core
usb: gadget: clear related members when goto fail
usb: gadget: don't release an existing dev->buf
usb: dwc2: Simplify a bitmap declaration
usb: Remove usb_for_each_port()
usb: typec: port-mapper: Convert to the component framework
usb: Link the ports to the connectors they are attached to
...
Here is the set of changes for the driver core for 5.17-rc1.
Lots of little things here, including:
- kobj_type cleanups
- auxiliary_bus documentation updates
- auxiliary_device conversions for some drivers (relevant
subsystems all have provided acks for these)
- kernfs lock contention reduction for some workloads
- other tiny cleanups and changes.
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 'driver-core-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of changes for the driver core for 5.17-rc1.
Lots of little things here, including:
- kobj_type cleanups
- auxiliary_bus documentation updates
- auxiliary_device conversions for some drivers (relevant subsystems
all have provided acks for these)
- kernfs lock contention reduction for some workloads
- other tiny cleanups and changes.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (43 commits)
kobject documentation: remove default_attrs information
drivers/firmware: Add missing platform_device_put() in sysfb_create_simplefb
debugfs: lockdown: Allow reading debugfs files that are not world readable
driver core: Make bus notifiers in right order in really_probe()
driver core: Move driver_sysfs_remove() after driver_sysfs_add()
firmware: edd: remove empty default_attrs array
firmware: dmi-sysfs: use default_groups in kobj_type
qemu_fw_cfg: use default_groups in kobj_type
firmware: memmap: use default_groups in kobj_type
sh: sq: use default_groups in kobj_type
headers/uninline: Uninline single-use function: kobject_has_children()
devtmpfs: mount with noexec and nosuid
driver core: Simplify async probe test code by using ktime_ms_delta()
nilfs2: use default_groups in kobj_type
kobject: remove kset from struct kset_uevent_ops callbacks
driver core: make kobj_type constant.
driver core: platform: document registration-failure requirement
vdpa/mlx5: Use auxiliary_device driver data helpers
net/mlx5e: Use auxiliary_device driver data helpers
soundwire: intel: Use auxiliary_device driver data helpers
...
JFFS2:
- Fix for a deadlock in jffs2_write_begin()
UBI:
- Fixes in comments
UBIFS:
- Expose error counters in sysfs
- Many bugfixes found by Hulk Robot and others
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Merge tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull JFFS2, UBI and UBIFS updates from Richard Weinberger:
"JFFS2:
- Fix for a deadlock in jffs2_write_begin()
UBI:
- Fixes in comments
UBIFS:
- Expose error counters in sysfs
- Many bugfixes found by Hulk Robot and others"
* tag 'for-linus-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
jffs2: GC deadlock reading a page that is used in jffs2_write_begin()
ubifs: read-only if LEB may always be taken in ubifs_garbage_collect
ubifs: fix double return leb in ubifs_garbage_collect
ubifs: fix slab-out-of-bounds in ubifs_change_lp
ubifs: fix snprintf() length check
ubifs: Document sysfs nodes
ubifs: Export filesystem error counters
ubifs: Error path in ubifs_remount_rw() seems to wrongly free write buffers
ubifs: Make use of the helper macro kthread_run()
ubi: Fix a mistake in comment
ubifs: Fix spelling mistakes
- add sysfs interface and a sysfs node to control sync decompression;
- add tail-packing inline support for compressed files;
- get rid of erofs_get_meta_page().
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Merge tag 'erofs-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, tail-packing data inline for compressed files is now
supported so that tail pcluster can be stored and read together with
inode metadata in order to save data I/O and storage space.
In addition to that, to prepare for the upcoming subpage, folio and
fscache features, we also introduce meta buffers to get rid of
erofs_get_meta_page() since it was too close to the page itself.
In addition, in order to show supported kernel features and control
sync decompression strategy, new sysfs nodes are introduced in this
cycle as well.
Summary:
- add sysfs interface and a sysfs node to control sync decompression
- add tail-packing inline support for compressed files
- get rid of erofs_get_meta_page()"
* tag 'erofs-for-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: use meta buffers for zmap operations
erofs: use meta buffers for xattr operations
erofs: use meta buffers for super operations
erofs: use meta buffers for inode operations
erofs: introduce meta buffer operations
erofs: add on-disk compressed tail-packing inline support
erofs: support inline data decompression
erofs: support unaligned data decompression
erofs: introduce z_erofs_fixup_insize
erofs: tidy up z_erofs_lz4_decompress
erofs: clean up erofs_map_blocks tracepoints
erofs: Replace zero-length array with flexible-array member
erofs: add sysfs node to control sync decompression strategy
erofs: add sysfs interface
erofs: rename lz4_0pading to zero_padding
Highlights:
- new drivers:
- asus-tf103c-dock
- intel_crystal_cove_charger
- lenovo-yogabook-wmi
- simatic-ipc platform-code + led driver + watchdog driver
- x86-android-tablets (kernel module to workaround DSDT bugs on these)
- amd-pmc:
- bug-fixes
- smar trace buffer support
- asus-wmi: support for custom fan curves
- int3472 (camera info ACPI object for Intel IPU3/SkyCam cameras):
- ACPI core + int3472 changes to delay enumeration of camera sensor I2C
clients until the PMIC for the sensor has been fully probed
- Add support for board data (DSDT info is incomplete) for setting up
the tps68470 PMIC used on some boards with these cameras
- Add board data for the Microsoft Surface Go (original, v2 and v3)
- thinkpad_acpi:
- various cleanups
- support for forced battery discharging (for battery calibration)
- support to inhibit battery charging
- this includes power_supply core changes to add new APIs for this
- think_lmi: enhanced BIOS password support
- various other small fixes and hardware-id additions
The following is an automated git shortlog grouped by driver:
ACPI:
- delay enumeration of devices with a _DEP pointing to an INT3472 device
Add Asus TF103C dock driver:
- Add Asus TF103C dock driver
Add intel_crystal_cove_charger driver:
- Add intel_crystal_cove_charger driver
Documentation:
- syfs-class-firmware-attributes: Lenovo Opcode support
Merge tag 'platform-drivers-x86-int3472-1' into review-hans:
- Merge tag 'platform-drivers-x86-int3472-1' into review-hans
amd-pmc:
- only use callbacks for suspend
- Add support for AMD Smart Trace Buffer
- Simplify error handling and store the pci_dev in amd_pmc_dev structure
- Fix s2idle failures on certain AMD laptops
- Make CONFIG_AMD_PMC depend on RTC_CLASS
apple-gmux:
- use resource_size() with res
asus-wmi:
- Reshuffle headers for better maintenance
- Split MODULE_AUTHOR() on per author basis
- Join string literals back
- remove unneeded semicolon
- Add support for custom fan curves
dell-wmi-descriptor:
- disable by default
hp_accel:
- Use SIMPLE_DEV_PM_OPS() for PM ops
- Fix an error handling path in 'lis3lv02d_probe()'
i2c:
- acpi: Add i2c_acpi_new_device_by_fwnode() function
- acpi: Use acpi_dev_ready_for_enumeration() helper
int3472:
- Add board data for Surface Go 3
- Deal with probe ordering issues
- Pass tps68470_regulator_platform_data to the tps68470-regulator MFD-cell
- Pass tps68470_clk_platform_data to the tps68470-regulator MFD-cell
- Add get_sensor_adev_and_name() helper
- Split into 2 drivers
intel-uncore-frequency:
- use default_groups in kobj_type
intel_pmc_core:
- fix memleak on registration failure
leds:
- simatic-ipc-leds: add new driver for Siemens Industial PCs
lenovo-yogabook-wmi:
- Add support for hall sensor on the back
- Add driver for Lenovo Yoga Book
lg-laptop:
- Recognize more models
platform:
- surface: Propagate ACPI Dependency
platform/mellanox:
- mlxbf-pmc: Fix an IS_ERR() vs NULL bug in mlxbf_pmc_map_counters
- mlxreg-lc: fix error code in mlxreg_lc_create_static_devices()
platform/surface:
- aggregator_registry: Rename device registration function
- aggregator_registry: Use generic client removal function
- aggregator: Make client device removal more generic
platform/x86/intel:
- Remove X86_PLATFORM_DRIVERS_INTEL
- hid: add quirk to support Surface Go 3
platform_data:
- Add linux/platform_data/tps68470.h file
pmc_atom:
- improve critclk_systems matching for Siemens PCs
power:
- supply: Provide stubs for charge_behaviour helpers
- supply: fix charge_behaviour attribute initialization
- supply: add helpers for charge_behaviour sysfs
- supply: add charge_behaviour attributes
samsung-laptop:
- Fix typo in a comment
simatic-ipc:
- add main driver for Siemens devices
system76_acpi:
- Guard System76 EC specific functionality
think-lmi:
- Prevent underflow in index_store()
- Simplify tlmi_analyze() error handling a bit
- Move kobject_init() call into tlmi_create_auth()
- Opcode support
- Abort probe on analyze failure
thinkpad_acpi:
- support inhibit-charge
- support force-discharge
- Add lid_logo_dot to the list of safe LEDs
- Add LED_RETAIN_AT_SHUTDOWN to led_class_devs
- Remove unused sensors_pdev_attrs_registered flag
- Fix the hwmon sysfs-attr showing up in the wrong place
- tpacpi_attr_group contains driver attributes not device attrs
- Register tpacpi_pdriver after subdriver init
- Restore missing hotkey_tablet_mode and hotkey_radio_sw sysfs-attr
- Fix thermal_temp_input_attr sorting
- Remove "goto err_exit" from hotkey_init()
- Properly indent code in tpacpi_dytc_profile_init()
- Cleanup dytc_profile_available
- Simplify dytc_version handling
- Make *_init() functions return -ENODEV instead of 1
- Accept ibm_init_struct.init() returning -ENODEV
- Convert platform driver to use dev_groups
- fix documentation for adaptive keyboard
- Fix WWAN device disabled issue after S3 deep
- Add support for dual fan control
tools/power/x86/intel-speed-select:
- v1.11 release
- Update max frequency
touchscreen_dmi:
- Remove the Glavey TM800A550L entry
- Enable pen support on the Chuwi Hi10 Plus and Pro
- Correct min/max values for Chuwi Hi10 Pro (CWI529) tablet
- Add TrekStor SurfTab duo W1 touchscreen info
watchdog:
- simatic-ipc-wdt: add new driver for Siemens Industrial PCs
wmi:
- Add no_notify_data flag to struct wmi_driver
- Fix driver->notify() vs ->probe() race
- Replace read_takes_no_args with a flags field
x86-android-tablets:
- Fix GPIO lookup leak on error-exit
- Add TM800A550L data
- Add Asus MeMO Pad 7 ME176C data
- Add Asus TF103C data
- Add support for preloading modules
- Add support for registering GPIO lookup tables
- Add support for instantiating serdevs
- Add support for instantiating platform-devs
- Add support for PMIC interrupts
- Don't return -EPROBE_DEFER from a non probe() function
- New driver for x86 Android tablets
x86/platform/uv:
- use default_groups in kobj_type
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Merge tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
New drivers:
- asus-tf103c-dock
- intel_crystal_cove_charger
- lenovo-yogabook-wmi
- simatic-ipc platform-code + led driver + watchdog driver
- x86-android-tablets (kernel module to workaround DSDT bugs on
these)
amd-pmc:
- bug-fixes
- smar trace buffer support
asus-wmi:
- support for custom fan curves
int3472 (camera info ACPI object for Intel IPU3/SkyCam cameras):
- ACPI core + int3472 changes to delay enumeration of camera sensor
I2C clients until the PMIC for the sensor has been fully probed
- Add support for board data (DSDT info is incomplete) for setting up
the tps68470 PMIC used on some boards with these cameras
- Add board data for the Microsoft Surface Go (original, v2 and v3)
thinkpad_acpi:
- various cleanups
- support for forced battery discharging (for battery calibration)
- support to inhibit battery charging
- this includes power_supply core changes to add new APIs for this
think_lmi:
- enhanced BIOS password support
various other small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (78 commits)
power: supply: Provide stubs for charge_behaviour helpers
platform/x86: x86-android-tablets: Fix GPIO lookup leak on error-exit
platform/x86: int3472: Add board data for Surface Go 3
platform/x86: Add Asus TF103C dock driver
platform/x86: x86-android-tablets: Add TM800A550L data
platform/x86: x86-android-tablets: Add Asus MeMO Pad 7 ME176C data
platform/x86: x86-android-tablets: Add Asus TF103C data
platform/x86: x86-android-tablets: Add support for preloading modules
platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables
platform/x86: x86-android-tablets: Add support for instantiating serdevs
platform/x86: x86-android-tablets: Add support for instantiating platform-devs
platform/x86: x86-android-tablets: Add support for PMIC interrupts
platform/x86: x86-android-tablets: Don't return -EPROBE_DEFER from a non probe() function
platform/x86: touchscreen_dmi: Remove the Glavey TM800A550L entry
platform/x86: touchscreen_dmi: Enable pen support on the Chuwi Hi10 Plus and Pro
platform/x86: touchscreen_dmi: Correct min/max values for Chuwi Hi10 Pro (CWI529) tablet
platform/x86: Add intel_crystal_cove_charger driver
power: supply: fix charge_behaviour attribute initialization
platform/x86: intel-uncore-frequency: use default_groups in kobj_type
x86/platform/uv: use default_groups in kobj_type
...
power-supply core:
- introduce "No Battery" health status
- use library interpolation
- add power_supply_battery_info documentation
- migrate power_supply_battery_info to be fully heap allocated
making it more obvious that it needs to be free'd manually
Drivers:
- max77976-charger: new driver
- qcom-smbb: add pm8226 charger support
- bq25890-charger: support battery temperature readings
- ab8500: continue migrating towards using standard core APIs
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Merge tag 'for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- introduce "No Battery" health status
- use library interpolation
- add power_supply_battery_info documentation
- migrate power_supply_battery_info to be fully heap allocated making
it more obvious that it needs to be free'd manually
Drivers:
- max77976-charger: new driver
- qcom-smbb: add pm8226 charger support
- bq25890-charger: support battery temperature readings
- ab8500: continue migrating towards using standard core APIs"
* tag 'for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (28 commits)
power: supply_core: Pass pointer to battery info
power: supply: ab8500: Fix the error handling path of ab8500_charger_probe()
power: reset: mt6397: Check for null res pointer
power: bq25890: add POWER_SUPPLY_PROP_TEMP
power: supply: qcom_smbb: support pm8226
dt-bindings: power: supply: pm8941-charger: add pm8226
power: supply: ab8500: Standardize capacity lookup
power: supply: ab8500: Standardize temp res lookup
power: supply: ab8500: Standardize CV voltage
power: supply: ab8500: Standardize CC current
power: supply: ab8500: Make recharge capacity a constant
power: supply: ab8500: Standardize termination current
power: supply: ab8500: Standardize internal resistance
power: supply: ab8500_fg: Init battery data in bind()
power: supply: ab8500: Standardize voltages
power: supply: ab8500: Standardize technology
power: supply: ab8500: Standardize design capacity
power: supply: ab8500: Use only one battery type
power: supply: ab8500: Drop unused battery types
power: supply: ab8500: Standardize operating temperature
...
sysfs documentation is supposed to go in Documentation/ABI/.
However, /sys/block/<disk>/queue/* are documented in
Documentation/block/queue-sysfs.rst, and sometimes redundantly in
Documentation/ABI/stable/sysfs-block too.
Let's consolidate this documentation into Documentation/ABI/.
Therefore, copy the relevant docs from queue-sysfs.rst into sysfs-block.
This primarily means adding the 25 missing files that were documented in
queue-sysfs.rst only, as well as mentioning the RO/RW status of files.
Documentation/ABI/ requires "Date" and "Contact" fields. For the Date
fields, I used the date of the commit which added support for each file.
For the "Contact" fields, I used linux-block.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20211209003833.6396-5-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The nomerges file was missing a "Contact" entry. Use linux-block.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20211209003833.6396-4-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Sort the documentation for the files alphabetically by file path so that
there is a logical order and it's clear where to add new files.
With two small exceptions, this patch doesn't change the documentation
itself and just reorders it:
- In /sys/block/<disk>/<part>/stat, I replaced <part> with <partition>
to be consistent with the other files.
- The description for /sys/block/<disk>/<part>/stat referred to another
file "above", which I reworded.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20211209003833.6396-3-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The block layer sysfs ABI is widely used by userspace software and is
considered stable.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20211209003833.6396-2-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The following sysfs attributes will be obsolete due to the name change of
tokens to read buffers:
max_tokens
token_limit
group/tokens_allowed
group/tokens_reserved
group/use_token_limit
Create new entries and have old entry print warning of deprecation.
New attributes to replace the token ones:
max_read_buffers
read_buffer_limit
group/read_buffers_allowed
group/read_buffers_reserved
group/use_read_buffer_limit
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163951339488.2988321.2424012059911316373.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Creating link to the USB Type-C connector for every new port
that is added when possible.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20211223082349.45616-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The existing configfs-usb-gadget-uac2 ABI doc for testing was missing
the num_requests param. The patch adds the parameter to the document.
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20211225130929.205629-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A small additional set of things that just missed the previous
pull request and have mostly been through plenty of review before the
holiday period began (or are trivial). I've not taken some other series
on the list to allow for more eyes after the holiday period.
New device support
* adi,admv1013
- New driver for this wideband microwave upconverter including dt-bindings
and some device specific ABI due to the need to describe phase calibrations
of a differential channel on both i and q phases. Previously we could
do differential or i/q but not both on the same channel. The driver
ABI uses a workaround for core support which will do until we know if
this is a common requirement for which a more generic solution is
needed.
MAINTAINERS:
* Add Haibo Chen as a maintainer for various NXP SoC ADCs.
Minor cleanup:
* sunrise_co2
- Make sure an uninitialized value isn't used to set *val in read_raw().
Not a real bug, but a compiler or reviewer can't tell that based
on what they can see locally.
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Merge tag 'iio-for-5.17b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
2nd set of new device support etc for IIO in the 5.17 cycle.
A small additional set of things that just missed the previous
pull request and have mostly been through plenty of review before the
holiday period began (or are trivial). I've not taken some other series
on the list to allow for more eyes after the holiday period.
New device support
* adi,admv1013
- New driver for this wideband microwave upconverter including dt-bindings
and some device specific ABI due to the need to describe phase calibrations
of a differential channel on both i and q phases. Previously we could
do differential or i/q but not both on the same channel. The driver
ABI uses a workaround for core support which will do until we know if
this is a common requirement for which a more generic solution is
needed.
MAINTAINERS:
* Add Haibo Chen as a maintainer for various NXP SoC ADCs.
Minor cleanup:
* sunrise_co2
- Make sure an uninitialized value isn't used to set *val in read_raw().
Not a real bug, but a compiler or reviewer can't tell that based
on what they can see locally.
* tag 'iio-for-5.17b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: chemical: sunrise_co2: set val parameter only on success
dt-bindings:iio:adc: update the maintainer of vf610-adc
MAINTAINERS: add imx7d/imx6sx/imx6ul/imx8qxp and vf610 adc maintainer
Documentation:ABI:testing:admv1013: add ABI docs
dt-bindings: iio: frequency: add admv1013 doc
iio: frequency: admv1013: add support for ADMV1013
Move an entry in the debugfs documentation to align with the
alphabetical order which is kept this file.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
I2C debugfs support is limited to 1 byte. We extend functionality
to more than 1 byte by using one of the pad fields as a length.
No backward compatibility issues as new F/W versions will treat 0
length as a 1 byte length transaction.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Add documentation for the new sysfs nodes
/sys/fs/ubifs/ubiX_Y/errors_magic
/sys/fs/ubifs/ubiX_Y/errors_node
/sys/fs/ubifs/ubiX_Y/errors_crc
Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Add a sysfs knob to allow tuning of retries for the kernel ENQCMDS
descriptor submission. While on host, it is not as likely that ENQCMDS
return busy during normal operations due to the driver controlling the
number of descriptors allocated for submission. However, when the driver is
operating as a guest driver, the chance of retry goes up significantly due
to sharing a wq with multiple VMs. A default value is provided with the
system admin being able to tune the value on a per WQ basis.
Suggested-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/163820629464.2702134.7577370098568297574.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Added a new sysfs node called gc_urgent_high_remaining. The user can
set the trial count limit for GC urgent high mode with this value. If
GC thread gets to the limit, the mode will turn back to GC normal mode.
By default, the value is zero, which means there is no limit like before.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This information can be used to check how much time we need to give to issue
all the discard commands.
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
== Problem ==
The amount of SGX memory on a system is determined by the BIOS and it
varies wildly between systems. It can be as small as dozens of MB's
and as large as many GB's on servers. Just like how applications need
to know how much regular RAM is available, enclave builders need to
know how much SGX memory an enclave can consume.
== Solution ==
Introduce a new sysfs file:
/sys/devices/system/node/nodeX/x86/sgx_total_bytes
to enumerate the amount of SGX memory available in each NUMA node.
This serves the same function for SGX as /proc/meminfo or
/sys/devices/system/node/nodeX/meminfo does for normal RAM.
'sgx_total_bytes' is needed today to help drive the SGX selftests.
SGX-specific swap code is exercised by creating overcommitted enclaves
which are larger than the physical SGX memory on the system. They
currently use a CPUID-based approach which can diverge from the actual
amount of SGX memory available. 'sgx_total_bytes' ensures that the
selftests can work efficiently and do not attempt stupid things like
creating a 100,000 MB enclave on a system with 128 MB of SGX memory.
== Implementation Details ==
Introduce CONFIG_HAVE_ARCH_NODE_DEV_GROUP opt-in flag to expose an
arch specific attribute group, and add an attribute for the amount of
SGX memory in bytes to each NUMA node:
== ABI Design Discussion ==
As opposed to the per-node ABI, a single, global ABI was considered.
However, this would prevent enclaves from being able to size
themselves so that they fit on a single NUMA node. Essentially, a
single value would rule out NUMA optimizations for enclaves.
Create a new "x86/" directory inside each "nodeX/" sysfs directory.
'sgx_total_bytes' is expected to be the first of at least a few
sgx-specific files to be placed in the new directory. Just scanning
/proc/meminfo, these are the no-brainers that we have for RAM, but we
need for SGX:
MemTotal: xxxx kB // sgx_total_bytes (implemented here)
MemFree: yyyy kB // sgx_free_bytes
SwapTotal: zzzz kB // sgx_swapped_bytes
So, at *least* three. I think we will eventually end up needing
something more along the lines of a dozen. A new directory (as
opposed to being in the nodeX/ "root") directory avoids cluttering the
root with several "sgx_*" files.
Place the new file in a new "nodeX/x86/" directory because SGX is
highly x86-specific. It is very unlikely that any other architecture
(or even non-Intel x86 vendor) will ever implement SGX. Using "sgx/"
as opposed to "x86/" was also considered. But, there is a real chance
this can get used for other arch-specific purposes.
[ dhansen: rewrite changelog ]
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211116162116.93081-2-jarkko@kernel.org
Although readpage is a synchronous path, there will be no additional
kworker scheduling overhead in non-atomic contexts together with
dm-verity.
Let's add a sysfs node to disable sync decompression as an option.
Link: https://lore.kernel.org/r/20211206143552.8384-1-huangjianan@oppo.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Add missing documentation of sysfs ABI for "isolated". It was added by
commit 59f30abe94bf("show isolated cpus in sysfs"). However, there is
no documentation for these interface.
Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
Link: https://lore.kernel.org/r/20211201115957.254224-3-tarumizu.kohei@fujitsu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add missing documentation of sysfs ABI for "nohz_full". It was added
by commit 6570a9a1ce3a("show nohz_full cpus in sysfs"). However,
there is no documentation for these interface.
Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
Link: https://lore.kernel.org/r/20211201115957.254224-2-tarumizu.kohei@fujitsu.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The /sys/class/dax compatibility option has shipped in the kernel for 4
years now which should be sufficient time for tools to abandon the old
ABI in favor of the /sys/bus/dax device-model. Delete it now and see if
anyone screams.
Since this compatibility option shipped there has been more reports of
users being surprised by the compat ABI than surprised by the "new", so
the compat infrastructure has outlived its usefulness. Recall that
/sys/bus/dax device-model is required for the dax kmem driver which
allows PMEM to be used as "System RAM".
The following projects were known to have a dependency on /sys/class/dax
and have dropped their dependency as of the listed version:
- ndctl (including libndctl, daxctl, and libdaxctl): v64+
- fio: v3.13+
- pmdk: v1.5.2+
As further evidence this option is no longer needed some distributions
have already stopped enabling CONFIG_DEV_DAX_PMEM_COMPAT.
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Link: https://lore.kernel.org/r/163701116195.3784476.726128179293466337.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Newer Lenovo BIOS's have an opcode GUID support interface which provides
- improved password setting control
- ability to set System, hard drive and NVMe passwords
Add the support for these new passwords, and the ability to select
user/master mode and the drive index.
Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20211117184453.2476-1-markpearson@lenovo.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Some chargers can keep the system powered from the mains even when no
battery is present. It this case none of the currently defined health
statuses applies. Add a new status to report that no battery is present.
Suggested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
In this cycle, we've applied relatively small number of patches which fix subtle
corner cases mainly, while introducing a new mount option to be able to fragment
the disk intentionally for performance tests.
Enhancement:
- add a mount option to fragmente on-disk layout to understand the performance
- support direct IO for multi-partitions
- add a fault injection of dquot_initialize
Bug fix:
- address some lockdep complaints
- fix a deadlock issue with quota
- fix a memory tuning condition
- fix compression condition to improve the ratio
- fix disabling compression on the non-empty compressed file
- invalidate cached pages before IPU/DIO writes
And, we've added some minor clean-ups as usual.
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Merge tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we've applied relatively small number of patches which
fix subtle corner cases mainly, while introducing a new mount option
to be able to fragment the disk intentionally for performance tests.
Enhancements:
- add a mount option to fragmente on-disk layout to understand the
performance
- support direct IO for multi-partitions
- add a fault injection of dquot_initialize
Bug fixes:
- address some lockdep complaints
- fix a deadlock issue with quota
- fix a memory tuning condition
- fix compression condition to improve the ratio
- fix disabling compression on the non-empty compressed file
- invalidate cached pages before IPU/DIO writes
And, we've added some minor clean-ups as usual"
* tag 'f2fs-for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: fix UAF in f2fs_available_free_memory
f2fs: invalidate META_MAPPING before IPU/DIO write
f2fs: support fault injection for dquot_initialize()
f2fs: fix incorrect return value in f2fs_sanity_check_ckpt()
f2fs: compress: disallow disabling compress on non-empty compressed file
f2fs: compress: fix overwrite may reduce compress ratio unproperly
f2fs: multidevice: support direct IO
f2fs: introduce fragment allocation mode mount option
f2fs: replace snprintf in show functions with sysfs_emit
f2fs: include non-compressed blocks in compr_written_block
f2fs: fix wrong condition to trigger background checkpoint correctly
f2fs: fix to use WHINT_MODE
f2fs: fix up f2fs_lookup tracepoints
f2fs: set SBI_NEED_FSCK flag when inconsistent node block found
f2fs: introduce excess_dirty_threshold()
f2fs: avoid attaching SB_ACTIVE flag during mount
f2fs: quota: fix potential deadlock
f2fs: should use GFP_NOFS for directory inodes
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Merge tag 'pci-v5.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Conserve IRQs by setting up portdrv IRQs only when there are users
(Jan Kiszka)
- Rework and simplify _OSC negotiation for control of PCIe features
(Joerg Roedel)
- Remove struct pci_dev.driver pointer since it's redundant with the
struct device.driver pointer (Uwe Kleine-König)
Resource management:
- Coalesce contiguous host bridge apertures from _CRS to accommodate
BARs that cover more than one aperture (Kai-Heng Feng)
Sysfs:
- Check CAP_SYS_ADMIN before parsing user input (Krzysztof
Wilczyński)
- Return -EINVAL consistently from "store" functions (Krzysztof
Wilczyński)
- Use sysfs_emit() in endpoint "show" functions to avoid buffer
overruns (Kunihiko Hayashi)
PCIe native device hotplug:
- Ignore Link Down/Up caused by resets during error recovery so
endpoint drivers can remain bound to the device (Lukas Wunner)
Virtualization:
- Avoid bus resets on Atheros QCA6174, where they hang the device
(Ingmar Klein)
- Work around Pericom PI7C9X2G switch packet drop erratum by using
store and forward mode instead of cut-through (Nathan Rossi)
- Avoid trying to enable AtomicOps on VFs; the PF setting applies to
all VFs (Selvin Xavier)
MSI:
- Document that /sys/bus/pci/devices/.../irq contains the legacy INTx
interrupt or the IRQ of the first MSI (not MSI-X) vector (Barry
Song)
VPD:
- Add pci_read_vpd_any() and pci_write_vpd_any() to access anywhere
in the possible VPD space; use these to simplify the cxgb3 driver
(Heiner Kallweit)
Peer-to-peer DMA:
- Add (not subtract) the bus offset when calculating DMA address
(Wang Lu)
ASPM:
- Re-enable LTR at Downstream Ports so they don't report Unsupported
Requests when reset or hot-added devices send LTR messages
(Mingchuang Qiao)
Apple PCIe controller driver:
- Add driver for Apple M1 PCIe controller (Alyssa Rosenzweig, Marc
Zyngier)
Cadence PCIe controller driver:
- Return success when probe succeeds instead of falling into error
path (Li Chen)
HiSilicon Kirin PCIe controller driver:
- Reorganize PHY logic and add support for external PHY drivers
(Mauro Carvalho Chehab)
- Support PERST# GPIOs for HiKey970 external PEX 8606 bridge (Mauro
Carvalho Chehab)
- Add Kirin 970 support (Mauro Carvalho Chehab)
- Make driver removable (Mauro Carvalho Chehab)
Intel VMD host bridge driver:
- If IOMMU supports interrupt remapping, leave VMD MSI-X remapping
enabled (Adrian Huang)
- Number each controller so we can tell them apart in
/proc/interrupts (Chunguang Xu)
- Avoid building on UML because VMD depends on x86 bare metal APIs
(Johannes Berg)
Marvell Aardvark PCIe controller driver:
- Define macros for PCI_EXP_DEVCTL_PAYLOAD_* (Pali Rohár)
- Set Max Payload Size to 512 bytes per Marvell spec (Pali Rohár)
- Downgrade PIO Response Status messages to debug level (Marek Behún)
- Preserve CRS SV (Config Request Retry Software Visibility) bit in
emulated Root Control register (Pali Rohár)
- Fix issue in configuring reference clock (Pali Rohár)
- Don't clear status bits for masked interrupts (Pali Rohár)
- Don't mask unused interrupts (Pali Rohár)
- Avoid code repetition in advk_pcie_rd_conf() (Marek Behún)
- Retry config accesses on CRS response (Pali Rohár)
- Simplify emulated Root Capabilities initialization (Pali Rohár)
- Fix several link training issues (Pali Rohár)
- Fix link-up checking via LTSSM (Pali Rohár)
- Fix reporting of Data Link Layer Link Active (Pali Rohár)
- Fix emulation of W1C bits (Marek Behún)
- Fix MSI domain .alloc() method to return zero on success (Marek
Behún)
- Read entire 16-bit MSI vector in MSI handler, not just low 8 bits
(Marek Behún)
- Clear Root Port I/O Space, Memory Space, and Bus Master Enable bits
at startup; PCI core will set those as necessary (Pali Rohár)
- When operating as a Root Port, set class code to "PCI Bridge"
instead of the default "Mass Storage Controller" (Pali Rohár)
- Add emulation for PCI_BRIDGE_CTL_BUS_RESET since aardvark doesn't
implement this per spec (Pali Rohár)
- Add emulation of option ROM BAR since aardvark doesn't implement
this per spec (Pali Rohár)
MediaTek MT7621 PCIe controller driver:
- Add MediaTek MT7621 PCIe host controller driver and DT binding
(Sergio Paracuellos)
Qualcomm PCIe controller driver:
- Add SC8180x compatible string (Bjorn Andersson)
- Add endpoint controller driver and DT binding (Manivannan
Sadhasivam)
- Restructure to use of_device_get_match_data() (Prasad Malisetty)
- Add SC7280-specific pcie_1_pipe_clk_src handling (Prasad Malisetty)
Renesas R-Car PCIe controller driver:
- Remove unnecessary includes (Geert Uytterhoeven)
Rockchip DesignWare PCIe controller driver:
- Add DT binding (Simon Xue)
Socionext UniPhier Pro5 controller driver:
- Serialize INTx masking/unmasking (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Run dwc .host_init() method before registering MSI interrupt
handler so we can deal with pending interrupts left by bootloader
(Bjorn Andersson)
- Clean up Kconfig dependencies (Andy Shevchenko)
- Export symbols to allow more modular drivers (Luca Ceresoli)
TI DRA7xx PCIe controller driver:
- Allow host and endpoint drivers to be modules (Luca Ceresoli)
- Enable external clock if present (Luca Ceresoli)
TI J721E PCIe driver:
- Disable PHY when probe fails after initializing it (Christophe
JAILLET)
MicroSemi Switchtec management driver:
- Return error to application when command execution fails because an
out-of-band reset has cleared the device BARs, Memory Space Enable,
etc (Kelvin Cao)
- Fix MRPC error status handling issue (Kelvin Cao)
- Mask out other bits when reading of management VEP instance ID
(Kelvin Cao)
- Return EOPNOTSUPP instead of ENOTSUPP from sysfs show functions
(Kelvin Cao)
- Add check of event support (Logan Gunthorpe)
Miscellaneous:
- Remove unused pci_pool wrappers, which have been replaced by
dma_pool (Cai Huoqing)
- Use 'unsigned int' instead of bare 'unsigned' (Krzysztof
Wilczyński)
- Use kstrtobool() directly, sans strtobool() wrapper (Krzysztof
Wilczyński)
- Fix some sscanf(), sprintf() format mismatches (Krzysztof
Wilczyński)
- Update PCI subsystem information in MAINTAINERS (Krzysztof
Wilczyński)
- Correct some misspellings (Krzysztof Wilczyński)"
* tag 'pci-v5.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (137 commits)
PCI: Add ACS quirk for Pericom PI7C9X2G switches
PCI: apple: Configure RID to SID mapper on device addition
iommu/dart: Exclude MSI doorbell from PCIe device IOVA range
PCI: apple: Implement MSI support
PCI: apple: Add INTx and per-port interrupt support
PCI: kirin: Allow removing the driver
PCI: kirin: De-init the dwc driver
PCI: kirin: Disable clkreq during poweroff sequence
PCI: kirin: Move the power-off code to a common routine
PCI: kirin: Add power_off support for Kirin 960 PHY
PCI: kirin: Allow building it as a module
PCI: kirin: Add MODULE_* macros
PCI: kirin: Add Kirin 970 compatible
PCI: kirin: Support PERST# GPIOs for HiKey970 external PEX 8606 bridge
PCI: apple: Set up reference clocks when probing
PCI: apple: Add initial hardware bring-up
PCI: of: Allow matching of an interrupt-map local to a PCI device
of/irq: Allow matching of an interrupt-map local to an interrupt controller
irqdomain: Make of_phandle_args_to_fwspec() generally available
PCI: Do not enable AtomicOps on VFs
...
This series consists of the usual driver updates (ufs, smartpqi, lpfc,
target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
fixes. Notable core changes are the removal of scsi->tag which caused
some churn in obsolete drivers and a sweep through all drivers to call
scsi_done() directly instead of scsi->done() which removes a pointer
indirection from the hot path and a move to register core sysfs files
earlier, which means they're available to KOBJ_ADD processing, which
necessitates switching all drivers to using attribute groups.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This consists of the usual driver updates (ufs, smartpqi, lpfc,
target, megaraid_sas, hisi_sas, qla2xxx) and minor updates and bug
fixes.
Notable core changes are the removal of scsi->tag which caused some
churn in obsolete drivers and a sweep through all drivers to call
scsi_done() directly instead of scsi->done() which removes a pointer
indirection from the hot path and a move to register core sysfs files
earlier, which means they're available to KOBJ_ADD processing, which
necessitates switching all drivers to using attribute groups"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: lpfc: Update lpfc version to 14.0.0.3
scsi: lpfc: Allow fabric node recovery if recovery is in progress before devloss
scsi: lpfc: Fix link down processing to address NULL pointer dereference
scsi: lpfc: Allow PLOGI retry if previous PLOGI was aborted
scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine
scsi: lpfc: Correct sysfs reporting of loop support after SFP status change
scsi: lpfc: Wait for successful restart of SLI3 adapter during host sg_reset
scsi: lpfc: Revert LOG_TRACE_EVENT back to LOG_INIT prior to driver_resource_setup()
scsi: ufs: ufshcd-pltfrm: Fix memory leak due to probe defer
scsi: ufs: mediatek: Avoid sched_clock() misuse
scsi: mpt3sas: Make mpt3sas_dev_attrs static
scsi: scsi_transport_sas: Add 22.5 Gbps link rate definitions
scsi: target: core: Stop using bdevname()
scsi: aha1542: Use memcpy_{from,to}_bvec()
scsi: sr: Add error handling support for add_disk()
scsi: sd: Add error handling support for add_disk()
scsi: target: Perform ALUA group changes in one step
scsi: target: Replace lun_tg_pt_gp_lock with rcu in I/O path
scsi: target: Fix alua_tg_pt_gps_count tracking
scsi: target: Fix ordered tag handling
...
Miscellaneous small fixes and improvements all over
the place. Nothing stands out in particular.
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Merge tag 'for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Miscellaneous small fixes and improvements all over the place.
Nothing stands out in particular"
* tag 'for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (30 commits)
power: supply: bq25890: Fix initial setting of the F_CONV_RATE field
power: supply: bq25890: Fix race causing oops at boot
power: supply: bq27xxx: Fix kernel crash on IRQ handler register error
power: bq25890: add return values to error messages
power: supply: axp288-charger: Simplify axp288_get_charger_health()
power: supply: axp288-charger: Remove unnecessary is_present and is_online helpers
power: supply: axp288-charger: Add depends on IOSF_MBIO to Kconfig
power: supply: ab8500_bmdata: Use standard phandle
dt-bindings: power: supply: ab8500: Standard monitored-battery
power: supply: axp288_charger: Fix missing mutex_init()
power: supply: max17042_battery: Prevent int underflow in set_soc_threshold
power: supply: max17042_battery: Clear status bits in interrupt handler
MAINTAINERS: power: supply: max17040: add entry with reviewers
MAINTAINERS: power: supply: max17042: add entry with reviewers
power: supply: max17040: fix null-ptr-deref in max17040_probe()
power: supply: rt5033_battery: Change voltage values to µV
power: supply: axp288-charger: Optimize register reading method
dt-bindings: power: Bindings for Samsung batteries
power: supply: cpcap-battery: use device_get_match_data() to simplify code
power: supply: max17042_battery: fix typo in MAX17042_IAvg_empty
...
Here is the big set of driver core changes for 5.16-rc1.
All of these have been in linux-next for a while now with no reported
problems.
Included in here are:
- big update and cleanup of the sysfs abi documentation files
and scripts from Mauro. We are almost at the place where we
can properly check that the running kernel's sysfs abi is
documented fully.
- firmware loader updates
- dyndbg updates
- kernfs cleanups and fixes from Christoph
- device property updates
- component fix
- other minor driver core cleanups and fixes
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core changes for 5.16-rc1.
All of these have been in linux-next for a while now with no reported
problems.
Included in here are:
- big update and cleanup of the sysfs abi documentation files and
scripts from Mauro. We are almost at the place where we can
properly check that the running kernel's sysfs abi is documented
fully.
- firmware loader updates
- dyndbg updates
- kernfs cleanups and fixes from Christoph
- device property updates
- component fix
- other minor driver core cleanups and fixes"
* tag 'driver-core-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (122 commits)
device property: Drop redundant NULL checks
x86/build: Tuck away built-in firmware under FW_LOADER
vmlinux.lds.h: wrap built-in firmware support under FW_LOADER
firmware_loader: move struct builtin_fw to the only place used
x86/microcode: Use the firmware_loader built-in API
firmware_loader: remove old DECLARE_BUILTIN_FIRMWARE()
firmware_loader: formalize built-in firmware API
component: do not leave master devres group open after bind
dyndbg: refine verbosity 1-4 summary-detail
gpiolib: acpi: Replace custom code with device_match_acpi_handle()
i2c: acpi: Replace custom function with device_match_acpi_handle()
driver core: Provide device_match_acpi_handle() helper
dyndbg: fix spurious vNpr_info change
dyndbg: no vpr-info on empty queries
dyndbg: vpr-info on remove-module complete, not starting
device property: Add missed header in fwnode.h
Documentation: dyndbg: Improve cli param examples
dyndbg: Remove support for ddebug_query param
dyndbg: make dyndbg a known cli param
dyndbg: show module in vpr-info in dd-exec-queries
...
Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage,
reviewed and acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by
the hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in
arm64 for allmodconfig, but that change is on its way through
the drm tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage, reviewed and
acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by the
hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in arm64
for allmodconfig, but that change is on its way through the drm
tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits)
comedi: dt9812: fix DMA buffers on stack
comedi: ni_usb6501: fix NULL-deref in command paths
arm64: errata: Enable TRBE workaround for write to out-of-range address
arm64: errata: Enable workaround for TRBE overwrite in FILL mode
coresight: trbe: Work around write to out of range
coresight: trbe: Make sure we have enough space
coresight: trbe: Add a helper to determine the minimum buffer size
coresight: trbe: Workaround TRBE errata overwrite in FILL mode
coresight: trbe: Add infrastructure for Errata handling
coresight: trbe: Allow driver to choose a different alignment
coresight: trbe: Decouple buffer base from the hardware base
coresight: trbe: Add a helper to pad a given buffer area
coresight: trbe: Add a helper to calculate the trace generated
coresight: trbe: Defer the probe on offline CPUs
coresight: trbe: Fix incorrect access of the sink specific data
coresight: etm4x: Add ETM PID for Kryo-5XX
coresight: trbe: Prohibit trace before disabling TRBE
coresight: trbe: End the AUX handle on truncation
coresight: trbe: Do not truncate buffer on IRQ
coresight: trbe: Fix handling of spurious interrupts
...
Dan Williams