Pull HID updates from Jiri Kosina:
- AMD SFH (Sensor Fusion Hub) support (Sandeep Singh)
- increase of maximum HID report size to 16KB in order to support some
of the modern devices (Dean Camera)
- control interface support for hidraw (Dean Camera)
- Sony DS4 power and firmware reporting fixes (Roderick Colenbrander)
- support for ghlive PS3/WII U dongles (Pascal Giard)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (27 commits)
HID: i2c-hid: add Vero K147 to descriptor override
HID: ite: Add support for Acer S1002 keyboard-dock
HID: sony: support for ghlive ps3/wii u dongles
HID: hidraw: Add additional hidraw input/output report ioctls.
HID: Increase HID maximum report size to 16KB
HID: elecom: drop stray comment
HID: mf: add support for 0079:1846 Mayflash/Dragonrise USB Gamecube Adapter
HID: elecom: add support for EX-G M-XGL20DLBK wireless mouse
HID: elecom: rewrite report based on model specific parameters
HID: wacom: Constify attribute_groups
HID: input: Fix fall-through warnings for Clang
HID: usbhid: Fix fall-through warnings for Clang
HID: logitech-hidpp: Add hid_device_id for V470 bluetooth mouse
HID: intel-ish-hid: Remove unnecessary assignment to variable rv
HID: sony: Workaround for DS4 dongle hotplug kernel crash.
HID: sony: Don't use fw_version/hw_version for sysfs cleanup.
HID: sony: Report more accurate DS4 power status.
SFH: fix error return check for -ERESTARTSYS
HID: SFH: Add documentation
HID: hid-input: occasionally report stylus battery even if not changed
...
A smaller set of patches, nothing stands out as being particularly major
this cycle:
- Driver bug fixes and updates: bnxt_re, cxgb4, rxe, hns, i40iw, cxgb4,
mlx4 and mlx5
- Bug fixes and polishing for the new rts ULP
- Cleanup of uverbs checking for allowed driver operations
- Use sysfs_emit all over the place
- Lots of bug fixes and clarity improvements for hns
- hip09 support for hns
- NDR and 50/100Gb signaling rates
- Remove dma_virt_ops and go back to using the IB DMA wrappers
- mlx5 optimizations for contiguous DMA regions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"A smaller set of patches, nothing stands out as being particularly
major this cycle. The biggest item would be the new HIP09 HW support
from HNS, otherwise it was pretty quiet for new work here:
- Driver bug fixes and updates: bnxt_re, cxgb4, rxe, hns, i40iw,
cxgb4, mlx4 and mlx5
- Bug fixes and polishing for the new rts ULP
- Cleanup of uverbs checking for allowed driver operations
- Use sysfs_emit all over the place
- Lots of bug fixes and clarity improvements for hns
- hip09 support for hns
- NDR and 50/100Gb signaling rates
- Remove dma_virt_ops and go back to using the IB DMA wrappers
- mlx5 optimizations for contiguous DMA regions"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (147 commits)
RDMA/cma: Don't overwrite sgid_attr after device is released
RDMA/mlx5: Fix MR cache memory leak
RDMA/rxe: Use acquire/release for memory ordering
RDMA/hns: Simplify AEQE process for different types of queue
RDMA/hns: Fix inaccurate prints
RDMA/hns: Fix incorrect symbol types
RDMA/hns: Clear redundant variable initialization
RDMA/hns: Fix coding style issues
RDMA/hns: Remove unnecessary access right set during INIT2INIT
RDMA/hns: WARN_ON if get a reserved sl from users
RDMA/hns: Avoid filling sl in high 3 bits of vlan_id
RDMA/hns: Do shift on traffic class when using RoCEv2
RDMA/hns: Normalization the judgment of some features
RDMA/hns: Limit the length of data copied between kernel and userspace
RDMA/mlx4: Remove bogus dev_base_lock usage
RDMA/uverbs: Fix incorrect variable type
RDMA/core: Do not indicate device ready when device enablement fails
RDMA/core: Clean up cq pool mechanism
RDMA/core: Update kernel documentation for ib_create_named_qp()
MAINTAINERS: SOFT-ROCE: Change Zhu Yanjun's email address
...
This series consists of the usual driver updates (ufs, qla2xxx,
smartpqi, target, zfcp, fnic, mpt3sas, ibmvfc) plus a load of
cleanups, a major power management rework and a load of assorted minor
updates. There are a few core updates (formatting fixes being the big
one) but nothing major this cycle.
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, qla2xxx, smartpqi,
target, zfcp, fnic, mpt3sas, ibmvfc) plus a load of cleanups, a major
power management rework and a load of assorted minor updates.
There are a few core updates (formatting fixes being the big one) but
nothing major this cycle"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (279 commits)
scsi: mpt3sas: Update driver version to 36.100.00.00
scsi: mpt3sas: Handle trigger page after firmware update
scsi: mpt3sas: Add persistent MPI trigger page
scsi: mpt3sas: Add persistent SCSI sense trigger page
scsi: mpt3sas: Add persistent Event trigger page
scsi: mpt3sas: Add persistent Master trigger page
scsi: mpt3sas: Add persistent trigger pages support
scsi: mpt3sas: Sync time periodically between driver and firmware
scsi: qla2xxx: Update version to 10.02.00.104-k
scsi: qla2xxx: Fix device loss on 4G and older HBAs
scsi: qla2xxx: If fcport is undergoing deletion complete I/O with retry
scsi: qla2xxx: Fix the call trace for flush workqueue
scsi: qla2xxx: Fix flash update in 28XX adapters on big endian machines
scsi: qla2xxx: Handle aborts correctly for port undergoing deletion
scsi: qla2xxx: Fix N2N and NVMe connect retry failure
scsi: qla2xxx: Fix FW initialization error on big endian machines
scsi: qla2xxx: Fix crash during driver load on big endian machines
scsi: qla2xxx: Fix compilation issue in PPC systems
scsi: qla2xxx: Don't check for fw_started while posting NVMe command
scsi: qla2xxx: Tear down session if FW say it is down
...
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Merge tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Fairly light set of changes this time around, and mostly some bits
that were pushed out to 5.11 instead of 5.10, fixes/cleanups, and a
few features. In particular:
- Cleanups around iovec import (David Laight, Pavel)
- Add timeout support for io_uring_enter(2), which enables us to
clean up liburing and avoid a timeout sqe submission in the
completion path.
The big win here is that it allows setups that split SQ and CQ
handling into separate threads to avoid locking, as the CQ side
will no longer submit when timeouts are needed when waiting for
events (Hao Xu)
- Add support for socket shutdown, and renameat/unlinkat.
- SQPOLL cleanups and improvements (Xiaoguang Wang)
- Allow SQPOLL setups for CAP_SYS_NICE, and enable regular
(non-fixed) files to be used.
- Cancelation improvements (Pavel)
- Fixed file reference improvements (Pavel)
- IOPOLL related race fixes (Pavel)
- Lots of other little fixes and cleanups (mostly Pavel)"
* tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block: (43 commits)
io_uring: fix io_cqring_events()'s noflush
io_uring: fix racy IOPOLL flush overflow
io_uring: fix racy IOPOLL completions
io_uring: always let io_iopoll_complete() complete polled io
io_uring: add timeout update
io_uring: restructure io_timeout_cancel()
io_uring: fix files cancellation
io_uring: use bottom half safe lock for fixed file data
io_uring: fix miscounting ios_left
io_uring: change submit file state invariant
io_uring: check kthread stopped flag when sq thread is unparked
io_uring: share fixed_file_refs b/w multiple rsrcs
io_uring: replace inflight_wait with tctx->wait
io_uring: don't take fs for recvmsg/sendmsg
io_uring: only wake up sq thread while current task is in io worker context
io_uring: don't acquire uring_lock twice
io_uring: initialize 'timeout' properly in io_sq_thread()
io_uring: refactor io_sq_thread() handling
io_uring: always batch cancel in *cancel_files()
io_uring: pass files into kill timeouts/poll
...
These are a couple of compiler warning fixes to make 'make W=2'
less noisy, as well as some fixes to code comments in asm-generic.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanups from Arnd Bergmann:
"These are a couple of compiler warning fixes to make 'make W=2' less
noisy, as well as some fixes to code comments in asm-generic"
* tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: Fix file comments for syscalls implemented in kernel/sys.c
ctype.h: remove duplicate isdigit() helper
qspinlock: use signed temporaries for cmpxchg
asm-generic: fix ffs -Wshadow warning
asm-generic: percpu: avoid Wshadow warning
asm-generic/sembuf: Update architecture related information in comment
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Merge tag 'close-range-openat2-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull close_range/openat2 updates from Christian Brauner:
"This contains a fix for openat2() to make RESOLVE_BENEATH and
RESOLVE_IN_ROOT mutually exclusive. It doesn't make sense to specify
both at the same time. The openat2() selftests have been extended to
verify that these two flags can't be specified together.
This also adds the CLOSE_RANGE_CLOEXEC flag to close_range() which
allows to mark a range of file descriptors as close-on-exec without
actually closing them.
This is useful in general but the use-case that triggered the patch is
installing a seccomp profile in the calling task before exec. If the
seccomp profile wants to block the close_range() syscall it obviously
can't use it to close all fds before exec. If it calls close_range()
before installing the seccomp profile it needs to take care not to
close fds that it will still need before the exec meaning it would
have to call close_range() multiple times on different ranges and then
still fall back to closing fds one by one right before the exec.
CLOSE_RANGE_CLOEXEC allows to solve this problem relying on the exec
codepath to get rid of the unwanted fds. The close_range() tests have
been expanded to verify that CLOSE_RANGE_CLOEXEC works"
* tag 'close-range-openat2-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
selftests: core: add tests for CLOSE_RANGE_CLOEXEC
fs, close_range: add flag CLOSE_RANGE_CLOEXEC
selftests: openat2: add RESOLVE_ conflict test
openat2: reject RESOLVE_BENEATH|RESOLVE_IN_ROOT
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Merge tag 'for-5.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"We have a mix of all kinds of changes, feature updates, core stuff,
performance improvements and lots of cleanups and preparatory changes.
User visible:
- export filesystem generation in sysfs
- new features for mount option 'rescue':
- what's currently supported is exported in sysfs
- 'ignorebadroots'/'ibadroots' - continue even if some essential
tree roots are not usable (extent, uuid, data reloc, device,
csum, free space)
- 'ignoredatacsums'/'idatacsums' - skip checksum verification on
data
- 'all' - now enables 'ignorebadroots' + 'ignoredatacsums' +
'nologreplay'
- export read mirror policy settings to sysfs, new policies will be
added in the future
- remove inode number cache feature (mount -o inode_cache), obsoleted
in 5.9
User visible fixes:
- async discard scheduling fixes on high loads
- update inode byte counter atomically so stat() does not report
wrong value in some cases
- free space tree fixes:
- correctly report status of v2 after remount
- clear v1 cache inodes when v2 is newly enabled after remount
Core:
- switch own tree lock implementation to standard rw semaphore:
- one-level lock nesting is not required anymore, the last use of
this was in free space that's now loaded asynchronously
- own implementation of adaptive spinning before taking mutex has
been part of rwsem
- performance seems to be better in general, much better (+tens
of percents) for some workloads
- lockdep does not complain
- finish direct IO conversion to iomap infrastructure, remove
temporary workaround for DSYNC after iomap API updates
- preparatory work to support data and metadata blocks smaller than
page:
- generalize code that assumes sectorsize == PAGE_SIZE, lots of
refactoring
- planned namely for 64K pages (eg. arm64, ppc64)
- scrub read-only support
- preparatory work for zoned allocation mode (SMR/ZBC/ZNS friendly):
- disable incompatible features
- round-robin superblock write
- free space cache (v1) is loaded asynchronously, remove tree path
recursion
- slightly improved time tacking for transaction kthread wake ups
Performance improvements (note that the numbers depend on load type or
other features and weren't run on the same machine):
- skip unnecessary work:
- do not start readahead for csum tree when scrubbing non-data
block groups
- do not start and wait for delalloc on snapshot roots on
transaction commit
- fix race when defragmenting leads to unnecessary IO
- dbench speedups (+throughput%/-max latency%):
- skip unnecessary searches for xattrs when logging an inode
(+10.8/-8.2)
- stop incrementing log batch when joining log transaction (1-2)
- unlock path before checking if extent is shared during nocow
writeback (+5.0/-20.5), on fio load +9.7% throughput/-9.8%
runtime
- several tree log improvements, eg. removing unnecessary
operations, fixing races that lead to additional work
(+12.7/-8.2)
- tree-checker error branches annotated with unlikely() (+3%
throughput)
Other:
- cleanups
- lockdep fixes
- more btrfs_inode conversions
- error variable cleanups"
* tag 'for-5.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (198 commits)
btrfs: scrub: allow scrub to work with subpage sectorsize
btrfs: scrub: support subpage data scrub
btrfs: scrub: support subpage tree block scrub
btrfs: scrub: always allocate one full page for one sector for RAID56
btrfs: scrub: reduce width of extent_len/stripe_len from 64 to 32 bits
btrfs: refactor btrfs_lookup_bio_sums to handle out-of-order bvecs
btrfs: remove btrfs_find_ordered_sum call from btrfs_lookup_bio_sums
btrfs: handle sectorsize < PAGE_SIZE case for extent buffer accessors
btrfs: update num_extent_pages to support subpage sized extent buffer
btrfs: don't allow tree block to cross page boundary for subpage support
btrfs: calculate inline extent buffer page size based on page size
btrfs: factor out btree page submission code to a helper
btrfs: make btrfs_verify_data_csum follow sector size
btrfs: pass bio_offset to check_data_csum() directly
btrfs: rename bio_offset of extent_submit_bio_start_t to dio_file_offset
btrfs: fix lockdep warning when creating free space tree
btrfs: skip space_cache v1 setup when not using it
btrfs: remove free space items when disabling space cache v1
btrfs: warn when remount will not change the free space tree
btrfs: use superblock state to print space_cache mount option
...
This extracts the "nameserver" previoiusly used only by the virtio rpmsg
transport to work ontop of any rpmsg implementation and clarifies the
endianness of the data types used in rpmsg.
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Merge tag 'rpmsg-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull rpmsg updates from Bjorn Andersson:
"This extracts the 'nameserver' previously used only by the virtio
rpmsg transport to work ontop of any rpmsg implementation and
clarifies the endianness of the data types used in rpmsg"
* tag 'rpmsg-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
rpmsg: Turn name service into a stand alone driver
rpmsg: Make rpmsg_{register|unregister}_device() public
rpmsg: virtio: Add rpmsg channel device ops
rpmsg: core: Add channel creation internal API
rpmsg: virtio: Rename rpmsg_create_channel
rpmsg: Move structure rpmsg_ns_msg to header file
rpmsg: virtio: Move from virtio to rpmsg byte conversion
rpmsg: Introduce __rpmsg{16|32|64} types
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Merge tag 'pci-v5.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Decode PCIe 64 GT/s link speed (Gustavo Pimentel)
- Remove unused HAVE_PCI_SET_MWI (Heiner Kallweit)
- Reduce pci_set_cacheline_size() message to debug level (Heiner
Kallweit)
- Fix pci_slot_release() NULL pointer dereference (Jubin Zhong)
- Unify ECAM constants in native PCI Express drivers (Krzysztof
Wilczyński)
- Return u8 from pci_find_capability() and similar (Puranjay Mohan)
- Return u16 from pci_find_ext_capability() and similar (Bjorn
Helgaas)
- Fix ACPI companion lookup for device 0 on the root bus (Rafael J.
Wysocki)
Resource management:
- Keep both device and resource name for config space remaps
(Alexander Lobakin)
- Bounds-check command-line resource alignment requests (Bjorn
Helgaas)
- Fix overflow in command-line resource alignment requests (Colin Ian
King)
Driver binding:
- Avoid duplicate IDs in driver dynamic IDs list (Zhenzhong Duan)
Power management:
- Save/restore Precision Time Measurement Capability for
suspend/resume (David E. Box)
- Disable PTM during suspend to save power (David E. Box)
- Add sysfs attribute for device power state (Maximilian Luz)
- Rename pci_wakeup_bus() to pci_resume_bus() (Mika Westerberg)
- Do not generate wakeup event when runtime resuming device (Mika
Westerberg)
- Save/restore ASPM L1SS Capability for suspend/resume (Vidya Sagar)
Virtualization:
- Mark AMD Raven iGPU ATS as broken in some platforms (Alex Deucher)
- Add function 1 DMA alias quirk for Marvell 9215 SATA controller
(Bjorn Helgaas)
MSI:
- Disable MSI for Pericom PCIe-USB adapter (Andy Shevchenko)
- Improve warnings for 32-bit-limited MSI support (Vidya Sagar)
Error handling:
- Cache RCEC EA Capability offset in pci_init_capabilities() (Sean V
Kelley)
- Rename reset_link() to reset_subordinates() (Sean V Kelley)
- Write AER Capability only when we control it (Sean V Kelley)
- Clear AER status only when we control AER (Sean V Kelley)
- Bind RCEC devices to the Root Port driver (Qiuxu Zhuo)
- Recover from RCiEP AER errors (Qiuxu Zhuo)
- Recover from RCEC AER errors (Sean V Kelley)
- Add pcie_link_rcec() to associate RCiEPs (Sean V Kelley)
- Add pcie_walk_rcec() to RCEC AER handling (Sean V Kelley)
- Add pcie_walk_rcec() to RCEC PME handling (Sean V Kelley)
- Add RCEC AER error injection support (Qiuxu Zhuo)
Broadcom iProc PCIe controller driver:
- Fix out-of-bound array accesses (Bharat Gooty)
- Invalidate correct PAXB inbound windows (Roman Bacik)
- Enhance PCIe Link information display (Srinath Mannam)
Cadence PCIe controller driver:
- Make "cdns,max-outbound-regions" property optional (Kishon Vijay
Abraham I)
Intel VMD host bridge driver:
- Offset client MSI-X vectors (Jon Derrick)
- Update type of __iomem pointers (Krzysztof Wilczyński)
NVIDIA Tegra PCIe controller driver:
- Move "dbi" accesses to post common DWC initialization (Vidya Sagar)
- Read "dbi" base address to program in application logic (Vidya
Sagar)
- Fix ASPM-L1SS advertisement disable code (Vidya Sagar)
- Set DesignWare IP version (Vidya Sagar)
- Continue unconfig sequence even if parts fail (Vidya Sagar)
- Check return value of tegra_pcie_init_controller() (Vidya Sagar)
- Disable LTSSM during L2 entry (Vidya Sagar)
Qualcomm PCIe controller driver:
- Document PCIe bindings for SM8250 SoC (Manivannan Sadhasivam)
- Add SM8250 SoC support (Manivannan Sadhasivam)
- Add support for configuring BDF to SID mapping for SM8250
(Manivannan Sadhasivam)
Renesas R-Car PCIe controller driver:
- rcar: Drop unused members from struct rcar_pcie_host (Lad
Prabhakar)
- PCI: rcar-pci-host: Document r8a774e1 bindings (Lad Prabhakar)
- PCI: rcar-pci-host: Convert bindings to json-schema (Yoshihiro
Shimoda)
- PCI: rcar-pci-host: Document r8a77965 bindings (Yoshihiro Shimoda)
Samsung Exynos PCIe controller driver:
- Rework driver to support Exynos5433 PCIe PHY (Jaehoon Chung)
- Rework driver to support Exynos5433 variant (Jaehoon Chung)
- Drop samsung,exynos5440-pcie binding (Marek Szyprowski)
- Add the samsung,exynos-pcie binding (Marek Szyprowski)
- Add the samsung,exynos-pcie-phy binding (Marek Szyprowski)
Synopsys DesignWare PCIe controller driver:
- Support multiple ATU memory regions (Rob Herring)
- Move intel-gw ATU offset out of driver match data (Rob Herring)
- Move "dbi", "dbi2", and "addr_space" resource setup into common
code (Rob Herring)
- Remove intel-gw unneeded function wrappers (Rob Herring)
- Ensure all outbound ATU windows are reset (Rob Herring)
- Use the common MSI irq_chip in dra7xx (Rob Herring)
- Drop the .set_num_vectors() host op (Rob Herring)
- Move MSI interrupt setup into DWC common code (Rob Herring)
- Rework MSI initialization (Rob Herring)
- Move link handling into common code (Rob Herring)
- Move dw_pcie_msi_init() into core (Rob Herring)
- Move dw_pcie_setup_rc() to DWC common code (Rob Herring)
- Remove unnecessary wrappers around dw_pcie_host_init() (Rob
Herring)
- Drop keystone duplicated 'num-viewport'" (Rob Herring)
- Move inbound and outbound windows to common struct (Rob Herring)
- Detect number of iATU windows (Rob Herring)
- Warn if non-prefetchable memory aperture size is > 32-bit (Vidya
Sagar)
- Add support to program ATU for >4GB memory (Vidya Sagar)
- Set 32-bit DMA mask for MSI target address allocation (Vidya Sagar)
TI J721E PCIe driver:
- Fix "ti,syscon-pcie-ctrl" to take argument (Kishon Vijay Abraham I)
- Add host mode dt-bindings for TI's J7200 SoC (Kishon Vijay Abraham
I)
- Add EP mode dt-bindings for TI's J7200 SoC (Kishon Vijay Abraham I)
- Get offset within "syscon" from "ti,syscon-pcie-ctrl" phandle arg
(Kishon Vijay Abraham I)
TI Keystone PCIe controller driver:
- Enable compile-testing on !ARM (Alex Dewar)"
* tag 'pci-v5.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (100 commits)
PCI: Add function 1 DMA alias quirk for Marvell 9215 SATA controller
PCI/ACPI: Fix companion lookup for device 0 on the root bus
PCI: Keep both device and resource name for config space remaps
PCI: xgene: Removed unused ".bus_shift" initialisers from pci-xgene.c
PCI: vmd: Update type of the __iomem pointers
PCI: iproc: Convert to use the new ECAM constants
PCI: thunder-pem: Add constant for custom ".bus_shift" initialiser
PCI: Unify ECAM constants in native PCI Express drivers
PCI: Disable PTM during suspend to save power
PCI/PTM: Save/restore Precision Time Measurement Capability for suspend/resume
PCI: Mark AMD Raven iGPU ATS as broken in some platforms
PCI: j721e: Get offset within "syscon" from "ti,syscon-pcie-ctrl" phandle arg
dt-bindings: PCI: Add EP mode dt-bindings for TI's J7200 SoC
dt-bindings: PCI: Add host mode dt-bindings for TI's J7200 SoC
dt-bindings: pci: ti,j721e: Fix "ti,syscon-pcie-ctrl" to take argument
PCI: dwc: Set 32-bit DMA mask for MSI target address allocation
PCI: qcom: Add support for configuring BDF to SID mapping for SM8250
PCI: Reduce pci_set_cacheline_size() message to debug level
PCI: Remove unused HAVE_PCI_SET_MWI
PCI: qcom: Add SM8250 SoC support
...
Highlights:
- New driver for changing BIOS settings from within Linux on Dell devices,
this introduces a new generic sysfs API for this. Lenovo is working on
also supporting this API on their devices
- New Intel PMT telemetry and crashlog drivers
- Support for SW_TABLET_MODE reporting for the acer-wmi and intel-hid drivers
- Preparation work for improving support for Microsoft Surface hardware
- Various fixes / improvements / quirks for the panasonic-laptop and others
The following is an automated git shortlog grouped by driver:
ISST:
- Mark mmio_range_devid_0 and mmio_range_devid_1 with static keyword
- Change PCI device macros
- Allow configurable offset range
- Check for unaligned mmio address
Intel PMT Crashlog capability driver:
- Intel PMT Crashlog capability driver
Intel PMT Telemetry capability driver:
- Intel PMT Telemetry capability driver
Intel PMT class driver:
- Intel PMT class driver
Introduce support for Systems Management Driver over WMI for Dell Systems:
- Introduce support for Systems Management Driver over WMI for Dell Systems
MAINTAINERS:
- new panasonic-laptop maintainer
- rectify DELL WMI SYSMAN DRIVERS section
Merge tag 'ib-mfd-x86-v5.11' into review-hans:
- Merge tag 'ib-mfd-x86-v5.11' into review-hans
PCI:
- Add defines for Designated Vendor-Specific Extended Capability
Revert "platform/x86:
- wmi: Destroy on cleanup rather than unregister"
acer-wireless:
- send an EV_SYN/SYN_REPORT between state changes
acer-wmi:
- Add ACER_CAP_KBD_DOCK quirk for the Aspire Switch 10E SW3-016
- add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
- Add support for SW_TABLET_MODE on Switch devices
- Add ACER_CAP_SET_FUNCTION_MODE capability flag
- Add new force_caps module parameter
- Cleanup accelerometer device handling
- Cleanup ACER_CAP_FOO defines
- Drop no-op set_quirks call from find_quirks
amd-pmc:
- Add AMD platform support for S2Idle
asus-wmi:
- Add userspace notification for performance mode change
- Add support for SW_TABLET_MODE on UX360
dell-smbios-base:
- Fix error return code in dell_smbios_init
dell-wmi-sysman:
- work around for BIOS bug
- fix init_bios_attributes() error handling
docs:
- ABI: sysfs-class-firmware-attributes: solve some warnings
i2c-multi-instantiate:
- Use device_get_match_data() to get driver data
- Simplify with dev_err_probe()
- Drop redundant ACPI_PTR()
intel-hid:
- add Rocket Lake ACPI device ID
- Do not create SW_TABLET_MODE input-dev when a KIOX010A ACPI dev is present
- Add alternative method to enable switches
- Add support for SW_TABLET_MODE
- fix _DSM function index handling
intel-vbtn:
- Fix SW_TABLET_MODE always reporting 1 on some HP x360 models
- Allow switch events on Acer Switch Alpha 12
- Support for tablet mode on HP Pavilion 13 x360 PC
intel_pmc_core:
- Assign boolean values to a bool variable
mfd:
- Intel Platform Monitoring Technology support
mlx-platform:
- Fix item counter assignment for MSN2700/ComEx system
- Fix item counter assignment for MSN2700, MSN24xx systems
- remove an unused variable
- Remove PSU EEPROM from MSN274x platform configuration
- Remove PSU EEPROM from default platform configuration
panasonic-laptop:
- Add sysfs attributes for firmware brightness registers
- Add support for battery charging threshold (eco mode)
- Resolve hotkey double trigger bug
- Add write support to mute
- Fix sticky key init bug
- Fix naming of platform files for consistency with other modules
- Split MODULE_AUTHOR() by one author per macro call
- Replace ACPI prints with pr_*() macros
- Add support for optical driver power in Y and W series
platform:
- Add Surface platform directory
platform/mellanox:
- mlxbf-pmc: Add Mellanox BlueField PMC driver
platform/surface:
- gpe: Add support for 15" Intel version of Surface Laptop 3
- Add Driver to set up lid GPEs on MS Surface device
- Move Surface Pro 3 Button driver to platform/surface
- Move Surface 3 Power OpRegion driver to platform/surface
- Move Surface 3 Button driver to platform/surface
- Move Surface 3 WMI driver to platform/surface
platform/x86/dell-wmi-sysman:
- Make some symbols static
- Make wmi_sysman_kobj_sysfs_ops static
pmt:
- Fix a potential Oops on error in probe
remove unneeded break:
- remove unneeded break
thinkpad_acpi:
- remove trailing semicolon in macro definition
- Whitelist P15 firmware for dual fan control
- Add palm sensor support
- Send tablet mode switch at wakeup time
- Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
- Do not report SW_TABLET_MODE on Yoga 11e
- add P1 gen3 second fan support
tools/power/x86/intel-speed-select:
- Update version for v5.11
- Account for missing sysfs for die_id
- Read TRL from mailbox
toshiba_acpi:
- Fix the wrong variable assignment
touchscreen_dmi:
- Add info for the Irbis TW118 tablet
- Add info for the Predia Basic tablet
x86/platform:
- classmate-laptop: add WiFi media button
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Merge tag 'platform-drivers-x86-v5.11-1' 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 driver for changing BIOS settings from within Linux on Dell
devices. This introduces a new generic sysfs API for this. Lenovo
is working on also supporting this API on their devices
- New Intel PMT telemetry and crashlog drivers
- Support for SW_TABLET_MODE reporting for the acer-wmi and intel-hid
drivers
- Preparation work for improving support for Microsoft Surface
hardware
- Various fixes / improvements / quirks for the panasonic-laptop and
others"
* tag 'platform-drivers-x86-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (81 commits)
platform/x86: ISST: Mark mmio_range_devid_0 and mmio_range_devid_1 with static keyword
platform/x86: intel-hid: add Rocket Lake ACPI device ID
x86/platform: classmate-laptop: add WiFi media button
platform/x86: mlx-platform: Fix item counter assignment for MSN2700/ComEx system
platform/x86: mlx-platform: Fix item counter assignment for MSN2700, MSN24xx systems
tools/power/x86/intel-speed-select: Update version for v5.11
tools/power/x86/intel-speed-select: Account for missing sysfs for die_id
tools/power/x86/intel-speed-select: Read TRL from mailbox
platform/x86: intel-hid: Do not create SW_TABLET_MODE input-dev when a KIOX010A ACPI dev is present
platform/x86: intel-hid: Add alternative method to enable switches
platform/x86: intel-hid: Add support for SW_TABLET_MODE
platform/x86: intel-vbtn: Fix SW_TABLET_MODE always reporting 1 on some HP x360 models
platform/x86: ISST: Change PCI device macros
platform/x86: ISST: Allow configurable offset range
platform/x86: ISST: Check for unaligned mmio address
acer-wireless: send an EV_SYN/SYN_REPORT between state changes
platform/x86: dell-wmi-sysman: work around for BIOS bug
platform/x86: mlx-platform: remove an unused variable
platform/x86: thinkpad_acpi: remove trailing semicolon in macro definition
platform/x86: dell-smbios-base: Fix error return code in dell_smbios_init
...
Here is the big char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be more
and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.11-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 char/misc driver update for 5.11-rc1.
Continuing the tradition of previous -rc1 pulls, there seems to be
more and more tiny driver subsystems flowing through this tree.
Lots of different things, all of which have been in linux-next for a
while with no reported issues:
- extcon driver updates
- habannalab driver updates
- mei driver updates
- uio driver updates
- binder fixes and features added
- soundwire driver updates
- mhi bus driver updates
- phy driver updates
- coresight driver updates
- fpga driver updates
- speakup driver updates
- slimbus driver updates
- various small char and misc driver updates"
* tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (305 commits)
extcon: max77693: Fix modalias string
extcon: fsa9480: Support TI TSU6111 variant
extcon: fsa9480: Rewrite bindings in YAML and extend
dt-bindings: extcon: add binding for TUSB320
extcon: Add driver for TI TUSB320
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
siox: Make remove callback return void
siox: Use bus_type functions for probe, remove and shutdown
spmi: Add driver shutdown support
spmi: fix some coding style issues at the spmi core
spmi: get rid of a warning when built with W=1
uio: uio_hv_generic: use devm_kzalloc() for private data alloc
uio: uio_fsl_elbc_gpcm: use device-managed allocators
uio: uio_aec: use devm_kzalloc() for uio_info object
uio: uio_cif: use devm_kzalloc() for uio_info object
uio: uio_netx: use devm_kzalloc() for or uio_info object
uio: uio_mf624: use devm_kzalloc() for uio_info object
uio: uio_sercos3: use device-managed functions for simple allocs
uio: uio_dmem_genirq: finalize conversion of probe to devm_ handlers
uio: uio_dmem_genirq: convert simple allocations to device-managed
...
Here is the "large" set of tty and serial patches for 5.11-rc1.
Nothing major at all, some cleanups and some driver removals, always a
nice sign:
- build warning cleanups
- vt locking and logic unwinding and cleanups
- tiny serial driver fixes and updates
- removal of the synclink serial driver as it's no longer needed
- removal of dead termiox code
All of this has 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 'tty-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the "large" set of tty and serial patches for 5.11-rc1.
Nothing major at all, some cleanups and some driver removals, always a
nice sign:
- build warning cleanups
- vt locking and logic unwinding and cleanups
- tiny serial driver fixes and updates
- removal of the synclink serial driver as it's no longer needed
- removal of dead termiox code
All of this has been in linux-next for a while with no reported issues"
* tag 'tty-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (89 commits)
serial: 8250_pci: Drop bogus __refdata annotation
tty: serial: meson: enable console as module
serial: 8250_omap: Avoid FIFO corruption caused by MDR1 access
serial: imx: Move imx_uart_probe_dt() content into probe()
serial: imx: Remove unneeded of_device_get_match_data() NULL check
tty: Fix whitespace inconsistencies in vt_io_ioctl
serial_core: Check for port state when tty is in error state
dt-bindings: serial: Update DT binding docs to support SiFive FU740 SoC
tty: use const parameters in port-flag accessors
tty: use assign_bit() in port-flag accessors
earlycon: drop semicolon from earlycon macro
tty: Remove dead termiox code
tty/serial/imx: Enable TXEN bit in imx_poll_init().
tty : serial: jsm: Fixed file by adding spacing
tty: serial: uartlite: Support probe deferral
earlycon: simplify earlycon-table implementation
tty: serial: bcm63xx: lower driver dependencies
serial: mxs-auart: Remove unneeded platform_device_id
serial: 8250-mtk: Fix reference leak in mtk8250_probe
serial: imx: Remove unused .id_table support
...
Lots of changes (slightly more code increase than usual) at this
time, while most of code changes are ASoC driver-specific.
Here goes some highlight:
Core:
* The new auxiliary bus implementation for Intel DSP, which will
be used by other drivers as well
* Lots of ASoC core cleanups and refactoring
* UBSAN and KCSAN fixes in rawmidi, sequencer and a few others
* Compress-offload API enhancement for the pause during draining
HD- and USB-audio:
* Enhancements of the USB-audio implicit feedback support,
including better full-duplex operations
* Continued CA0132 improvements and fixes
* A few new quirk entries, HDMI audio fixes
ASoC:
* Support for boot time selection of Intel DSP firmware, which
should help distros/users testing new stuff more easily;
the kconfig was moved to boot time option, too
* Some basic DPCM support in audio graph card
* Removal of old pre-DT Freescale drivers
* Support for Allwinner H6 I2S, Analog Devices ADAU1372, Intel
Alderlake-S, GMediatek MT8192, NXP i.MX HDMI and XCVR, Realtek
RT715, Qualcomm SM8250 and simple GPIO based muxes
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Merge tag 'sound-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Lots of changes (slightly more code increase than usual) at this time,
while most of code changes are ASoC driver-specific.
Here are some highlights:
Core:
- The new auxiliary bus implementation for Intel DSP, which will be
used by other drivers as well
- Lots of ASoC core cleanups and refactoring
- UBSAN and KCSAN fixes in rawmidi, sequencer and a few others
- Compress-offload API enhancement for the pause during draining
HD- and USB-audio:
- Enhancements of the USB-audio implicit feedback support, including
better full-duplex operations
- Continued CA0132 improvements and fixes
- A few new quirk entries, HDMI audio fixes
ASoC:
- Support for boot time selection of Intel DSP firmware, which should
help distros/users testing new stuff more easily; the kconfig was
moved to boot time option, too
- Some basic DPCM support in audio graph card
- Removal of old pre-DT Freescale drivers
- Support for Allwinner H6 I2S, Analog Devices ADAU1372, Intel
Alderlake-S, GMediatek MT8192, NXP i.MX HDMI and XCVR, Realtek
RT715, Qualcomm SM8250 and simple GPIO based muxes"
* tag 'sound-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (445 commits)
ALSA: pcm: oss: Fix potential out-of-bounds shift
ALSA: usb-audio: Fix potential out-of-bounds shift
ALSA: hda/ca0132 - Add ZxR surround DAC setup.
ALSA: hda/ca0132 - Add 8051 PLL write helper functions.
ALSA: hda/hdmi: packet buffer index must be set before reading value
ASoC: SOF: imx: update kernel-doc description
ASoC: mediatek: mt8183: delete some unreachable code
ASoC: mediatek: mt8183: add PM ops to machine drivers
ASoC: topology: Fix wrong size check
ASoC: topology: Add missing size check
ASoC: SOF: Intel: hda: fix the condition passed to sof_dev_dbg_or_err
ASoC: SOF: modify the SOF_DBG flags
ASoC: SOF: Intel: hda: remove duplicated status dump
ASoC: rt1015p: delay 300ms after SDB pulling high for calibration
ASoC: rt1015p: move SDB control from trigger to DAPM
ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control()
ALSA: usb-audio: Fix control 'access overflow' errors from chmap
ALSA: hda/hdmi: always print pin NIDs as hexadecimal
ALSA: hda/realtek - Add supported for more Lenovo ALC285 Headset Button
ALSA: hda/ca0132 - Remove now unnecessary DSP setup functions.
...
Core:
- support "prefer busy polling" NAPI operation mode, where we defer softirq
for some time expecting applications to periodically busy poll
- AF_XDP: improve efficiency by more batching and hindering
the adjacency cache prefetcher
- af_packet: make packet_fanout.arr size configurable up to 64K
- tcp: optimize TCP zero copy receive in presence of partial or unaligned
reads making zero copy a performance win for much smaller messages
- XDP: add bulk APIs for returning / freeing frames
- sched: support fragmenting IP packets as they come out of conntrack
- net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
BPF:
- BPF switch from crude rlimit-based to memcg-based memory accounting
- BPF type format information for kernel modules and related tracing
enhancements
- BPF implement task local storage for BPF LSM
- allow the FENTRY/FEXIT/RAW_TP tracing programs to use bpf_sk_storage
Protocols:
- mptcp: improve multiple xmit streams support, memory accounting and
many smaller improvements
- TLS: support CHACHA20-POLY1305 cipher
- seg6: add support for SRv6 End.DT4/DT6 behavior
- sctp: Implement RFC 6951: UDP Encapsulation of SCTP
- ppp_generic: add ability to bridge channels directly
- bridge: Connectivity Fault Management (CFM) support as is defined in
IEEE 802.1Q section 12.14.
Drivers:
- mlx5: make use of the new auxiliary bus to organize the driver internals
- mlx5: more accurate port TX timestamping support
- mlxsw:
- improve the efficiency of offloaded next hop updates by using
the new nexthop object API
- support blackhole nexthops
- support IEEE 802.1ad (Q-in-Q) bridging
- rtw88: major bluetooth co-existance improvements
- iwlwifi: support new 6 GHz frequency band
- ath11k: Fast Initial Link Setup (FILS)
- mt7915: dual band concurrent (DBDC) support
- net: ipa: add basic support for IPA v4.5
Refactor:
- a few pieces of in_interrupt() cleanup work from Sebastian Andrzej Siewior
- phy: add support for shared interrupts; get rid of multiple driver
APIs and have the drivers write a full IRQ handler, slight growth
of driver code should be compensated by the simpler API which
also allows shared IRQs
- add common code for handling netdev per-cpu counters
- move TX packet re-allocation from Ethernet switch tag drivers to
a central place
- improve efficiency and rename nla_strlcpy
- number of W=1 warning cleanups as we now catch those in a patchwork
build bot
Old code removal:
- wan: delete the DLCI / SDLA drivers
- wimax: move to staging
- wifi: remove old WDS wifi bridging support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- support "prefer busy polling" NAPI operation mode, where we defer
softirq for some time expecting applications to periodically busy
poll
- AF_XDP: improve efficiency by more batching and hindering the
adjacency cache prefetcher
- af_packet: make packet_fanout.arr size configurable up to 64K
- tcp: optimize TCP zero copy receive in presence of partial or
unaligned reads making zero copy a performance win for much smaller
messages
- XDP: add bulk APIs for returning / freeing frames
- sched: support fragmenting IP packets as they come out of conntrack
- net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
BPF:
- BPF switch from crude rlimit-based to memcg-based memory accounting
- BPF type format information for kernel modules and related tracing
enhancements
- BPF implement task local storage for BPF LSM
- allow the FENTRY/FEXIT/RAW_TP tracing programs to use
bpf_sk_storage
Protocols:
- mptcp: improve multiple xmit streams support, memory accounting and
many smaller improvements
- TLS: support CHACHA20-POLY1305 cipher
- seg6: add support for SRv6 End.DT4/DT6 behavior
- sctp: Implement RFC 6951: UDP Encapsulation of SCTP
- ppp_generic: add ability to bridge channels directly
- bridge: Connectivity Fault Management (CFM) support as is defined
in IEEE 802.1Q section 12.14.
Drivers:
- mlx5: make use of the new auxiliary bus to organize the driver
internals
- mlx5: more accurate port TX timestamping support
- mlxsw:
- improve the efficiency of offloaded next hop updates by using
the new nexthop object API
- support blackhole nexthops
- support IEEE 802.1ad (Q-in-Q) bridging
- rtw88: major bluetooth co-existance improvements
- iwlwifi: support new 6 GHz frequency band
- ath11k: Fast Initial Link Setup (FILS)
- mt7915: dual band concurrent (DBDC) support
- net: ipa: add basic support for IPA v4.5
Refactor:
- a few pieces of in_interrupt() cleanup work from Sebastian Andrzej
Siewior
- phy: add support for shared interrupts; get rid of multiple driver
APIs and have the drivers write a full IRQ handler, slight growth
of driver code should be compensated by the simpler API which also
allows shared IRQs
- add common code for handling netdev per-cpu counters
- move TX packet re-allocation from Ethernet switch tag drivers to a
central place
- improve efficiency and rename nla_strlcpy
- number of W=1 warning cleanups as we now catch those in a patchwork
build bot
Old code removal:
- wan: delete the DLCI / SDLA drivers
- wimax: move to staging
- wifi: remove old WDS wifi bridging support"
* tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1922 commits)
net: hns3: fix expression that is currently always true
net: fix proc_fs init handling in af_packet and tls
nfc: pn533: convert comma to semicolon
af_vsock: Assign the vsock transport considering the vsock address flags
af_vsock: Set VMADDR_FLAG_TO_HOST flag on the receive path
vsock_addr: Check for supported flag values
vm_sockets: Add VMADDR_FLAG_TO_HOST vsock flag
vm_sockets: Add flags field in the vsock address data structure
net: Disable NETIF_F_HW_TLS_TX when HW_CSUM is disabled
tcp: Add logic to check for SYN w/ data in tcp_simple_retransmit
net: mscc: ocelot: install MAC addresses in .ndo_set_rx_mode from process context
nfc: s3fwrn5: Release the nfc firmware
net: vxget: clean up sparse warnings
mlxsw: spectrum_router: Use eXtended mezzanine to offload IPv4 router
mlxsw: spectrum: Set KVH XLT cache mode for Spectrum2/3
mlxsw: spectrum_router_xm: Introduce basic XM cache flushing
mlxsw: reg: Add Router LPM Cache Enable Register
mlxsw: reg: Add Router LPM Cache ML Delete Register
mlxsw: spectrum_router_xm: Implement L-value tracking for M-index
mlxsw: reg: Add XM Router M Table Register
...
- Stop writing AER Capability when we don't own it (Sean V Kelley)
- Bind RCEC devices to the Port driver (Qiuxu Zhuo)
- Cache the RCEC RA Capability offset (Sean V Kelley)
- Add pci_walk_bridge() (Sean V Kelley)
- Clear AER status only when we control AER (Sean V Kelley)
- Recover from RCEC AER errors (Sean V Kelley)
- Add pcie_link_rcec() to associate RCiEPs with RCECs (Sean V Kelley)
- Recover from RCiEP AER errors (Sean V Kelley)
- Add pcie_walk_rcec() for RCEC AER handling (Sean V Kelley)
- Add pcie_walk_rcec() for RCEC PME handling (Sean V Kelley)
- Add RCEC AER error injection support (Qiuxu Zhuo)
* pci/err:
PCI/AER: Add RCEC AER error injection support
PCI/PME: Add pcie_walk_rcec() to RCEC PME handling
PCI/AER: Add pcie_walk_rcec() to RCEC AER handling
PCI/ERR: Recover from RCiEP AER errors
PCI/ERR: Add pcie_link_rcec() to associate RCiEPs
PCI/ERR: Recover from RCEC AER errors
PCI/ERR: Clear AER status only when we control AER
PCI/ERR: Add pci_walk_bridge() to pcie_do_recovery()
PCI/ERR: Avoid negated conditional for clarity
PCI/ERR: Use "bridge" for clarity in pcie_do_recovery()
PCI/ERR: Simplify by computing pci_pcie_type() once
PCI/ERR: Simplify by using pci_upstream_bridge()
PCI/ERR: Rename reset_link() to reset_subordinates()
PCI/ERR: Cache RCEC EA Capability offset in pci_init_capabilities()
PCI/ERR: Bind RCEC devices to the Root Port driver
PCI/AER: Write AER Capability only when we control it
Merge misc updates from Andrew Morton:
- a few random little subsystems
- almost all of the MM patches which are staged ahead of linux-next
material. I'll trickle to post-linux-next work in as the dependents
get merged up.
Subsystems affected by this patch series: kthread, kbuild, ide, ntfs,
ocfs2, arch, and mm (slab-generic, slab, slub, dax, debug, pagecache,
gup, swap, shmem, memcg, pagemap, mremap, hmm, vmalloc, documentation,
kasan, pagealloc, memory-failure, hugetlb, vmscan, z3fold, compaction,
oom-kill, migration, cma, page-poison, userfaultfd, zswap, zsmalloc,
uaccess, zram, and cleanups).
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (200 commits)
mm: cleanup kstrto*() usage
mm: fix fall-through warnings for Clang
mm: slub: convert sysfs sprintf family to sysfs_emit/sysfs_emit_at
mm: shmem: convert shmem_enabled_show to use sysfs_emit_at
mm:backing-dev: use sysfs_emit in macro defining functions
mm: huge_memory: convert remaining use of sprintf to sysfs_emit and neatening
mm: use sysfs_emit for struct kobject * uses
mm: fix kernel-doc markups
zram: break the strict dependency from lzo
zram: add stat to gather incompressible pages since zram set up
zram: support page writeback
mm/process_vm_access: remove redundant initialization of iov_r
mm/zsmalloc.c: rework the list_add code in insert_zspage()
mm/zswap: move to use crypto_acomp API for hardware acceleration
mm/zswap: fix passing zero to 'PTR_ERR' warning
mm/zswap: make struct kernel_param_ops definitions const
userfaultfd/selftests: hint the test runner on required privilege
userfaultfd/selftests: fix retval check for userfaultfd_open()
userfaultfd/selftests: always dump something in modes
userfaultfd: selftests: make __{s,u}64 format specifiers portable
...
Patch series "Control over userfaultfd kernel-fault handling", v6.
This patch series is split from [1]. The other series enables SELinux
support for userfaultfd file descriptors so that its creation and movement
can be controlled.
It has been demonstrated on various occasions that suspending kernel code
execution for an arbitrary amount of time at any access to userspace
memory (copy_from_user()/copy_to_user()/...) can be exploited to change
the intended behavior of the kernel. For instance, handling page faults
in kernel-mode using userfaultfd has been exploited in [2, 3]. Likewise,
FUSE, which is similar to userfaultfd in this respect, has been exploited
in [4, 5] for similar outcome.
This small patch series adds a new flag to userfaultfd(2) that allows
callers to give up the ability to handle kernel-mode faults with the
resulting UFFD file object. It then adds a 'user-mode only' option to the
unprivileged_userfaultfd sysctl knob to require unprivileged callers to
use this new flag.
The purpose of this new interface is to decrease the chance of an
unprivileged userfaultfd user taking advantage of userfaultfd to enhance
security vulnerabilities by lengthening the race window in kernel code.
[1] https://lore.kernel.org/lkml/20200211225547.235083-1-dancol@google.com/
[2] https://duasynt.com/blog/linux-kernel-heap-spray
[3] https://duasynt.com/blog/cve-2016-6187-heap-off-by-one-exploit
[4] https://googleprojectzero.blogspot.com/2016/06/exploiting-recursion-in-linux-kernel_20.html
[5] https://bugs.chromium.org/p/project-zero/issues/detail?id=808
This patch (of 2):
userfaultfd handles page faults from both user and kernel code. Add a new
UFFD_USER_MODE_ONLY flag for userfaultfd(2) that makes the resulting
userfaultfd object refuse to handle faults from kernel mode, treating
these faults as if SIGBUS were always raised, causing the kernel code to
fail with EFAULT.
A future patch adds a knob allowing administrators to give some processes
the ability to create userfaultfd file objects only if they pass
UFFD_USER_MODE_ONLY, reducing the likelihood that these processes will
exploit userfaultfd's ability to delay kernel page faults to open timing
windows for future exploits.
Link: https://lkml.kernel.org/r/20201120030411.2690816-1-lokeshgidra@google.com
Link: https://lkml.kernel.org/r/20201120030411.2690816-2-lokeshgidra@google.com
Signed-off-by: Daniel Colascione <dancol@google.com>
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: <calin@google.com>
Cc: Daniel Colascione <dancol@dancol.org>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Nitin Gupta <nigupta@nvidia.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shaohua Li <shli@fb.com>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
and include <linux/const.h> in UAPI headers instead of <linux/kernel.h>.
The reason is to avoid indirect <linux/sysinfo.h> include when using
some network headers: <linux/netlink.h> or others -> <linux/kernel.h>
-> <linux/sysinfo.h>.
This indirect include causes on MUSL redefinition of struct sysinfo when
included both <sys/sysinfo.h> and some of UAPI headers:
In file included from x86_64-buildroot-linux-musl/sysroot/usr/include/linux/kernel.h:5,
from x86_64-buildroot-linux-musl/sysroot/usr/include/linux/netlink.h:5,
from ../include/tst_netlink.h:14,
from tst_crypto.c:13:
x86_64-buildroot-linux-musl/sysroot/usr/include/linux/sysinfo.h:8:8: error: redefinition of `struct sysinfo'
struct sysinfo {
^~~~~~~
In file included from ../include/tst_safe_macros.h:15,
from ../include/tst_test.h:93,
from tst_crypto.c:11:
x86_64-buildroot-linux-musl/sysroot/usr/include/sys/sysinfo.h:10:8: note: originally defined here
Link: https://lkml.kernel.org/r/20201015190013.8901-1-petr.vorel@gmail.com
Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Suggested-by: Rich Felker <dalias@aerifal.cx>
Acked-by: Rich Felker <dalias@libc.org>
Cc: Peter Korsgaard <peter@korsgaard.com>
Cc: Baruch Siach <baruch@tkos.co.il>
Cc: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add VMADDR_FLAG_TO_HOST vsock flag that is used to setup a vsock
connection where all the packets are forwarded to the host.
Then, using this type of vsock channel, vsock communication between
sibling VMs can be built on top of it.
Changelog
v3 -> v4
* Update the "VMADDR_FLAG_TO_HOST" value, as the size of the field has
been updated to 1 byte.
v2 -> v3
* Update comments to mention when the flag is set in the connect and
listen paths.
v1 -> v2
* New patch in v2, it was split from the first patch in the series.
* Remove the default value for the vsock flags field.
* Update the naming for the vsock flag to "VMADDR_FLAG_TO_HOST".
Signed-off-by: Andra Paraschiv <andraprs@amazon.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
vsock enables communication between virtual machines and the host they
are running on. With the multi transport support (guest->host and
host->guest), nested VMs can also use vsock channels for communication.
In addition to this, by default, all the vsock packets are forwarded to
the host, if no host->guest transport is loaded. This behavior can be
implicitly used for enabling vsock communication between sibling VMs.
Add a flags field in the vsock address data structure that can be used
to explicitly mark the vsock connection as being targeted for a certain
type of communication. This way, can distinguish between different use
cases such as nested VMs and sibling VMs.
This field can be set when initializing the vsock address variable used
for the connect() call.
Changelog
v3 -> v4
* Update the size of "svm_flags" field to be 1 byte instead of 2 bytes.
v2 -> v3
* Add "svm_flags" as a new field, not reusing "svm_reserved1".
v1 -> v2
* Update the field name to "svm_flags".
* Split the current patch in 2 patches.
Signed-off-by: Andra Paraschiv <andraprs@amazon.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- migrate_disable/enable() support which originates from the RT tree and
is now a prerequisite for the new preemptible kmap_local() API which aims
to replace kmap_atomic().
- A fair amount of topology and NUMA related improvements
- Improvements for the frequency invariant calculations
- Enhanced robustness for the global CPU priority tracking and decision
making
- The usual small fixes and enhancements all over the place
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Merge tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Thomas Gleixner:
- migrate_disable/enable() support which originates from the RT tree
and is now a prerequisite for the new preemptible kmap_local() API
which aims to replace kmap_atomic().
- A fair amount of topology and NUMA related improvements
- Improvements for the frequency invariant calculations
- Enhanced robustness for the global CPU priority tracking and decision
making
- The usual small fixes and enhancements all over the place
* tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (61 commits)
sched/fair: Trivial correction of the newidle_balance() comment
sched/fair: Clear SMT siblings after determining the core is not idle
sched: Fix kernel-doc markup
x86: Print ratio freq_max/freq_base used in frequency invariance calculations
x86, sched: Use midpoint of max_boost and max_P for frequency invariance on AMD EPYC
x86, sched: Calculate frequency invariance for AMD systems
irq_work: Optimize irq_work_single()
smp: Cleanup smp_call_function*()
irq_work: Cleanup
sched: Limit the amount of NUMA imbalance that can exist at fork time
sched/numa: Allow a floating imbalance between NUMA nodes
sched: Avoid unnecessary calculation of load imbalance at clone time
sched/numa: Rename nr_running and break out the magic number
sched: Make migrate_disable/enable() independent of RT
sched/topology: Condition EAS enablement on FIE support
arm64: Rebuild sched domains on invariance status changes
sched/topology,schedutil: Wrap sched domains rebuild
sched/uclamp: Allow to reset a task uclamp constraint value
sched/core: Fix typos in comments
Documentation: scheduler: fix information on arch SD flags, sched_domain and sched_debug
...
Core:
- Better handling of page table leaves on archictectures which have
architectures have non-pagetable aligned huge/large pages. For such
architectures a leaf can actually be part of a larger entry.
- Prevent a deadlock vs. exec_update_mutex
Architectures:
- The related updates for page size calculation of leaf entries
- The usual churn to support new CPUs
- Small fixes and improvements all over the place
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Merge tag 'perf-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner:
"Core:
- Better handling of page table leaves on archictectures which have
architectures have non-pagetable aligned huge/large pages. For such
architectures a leaf can actually be part of a larger entry.
- Prevent a deadlock vs exec_update_mutex
Architectures:
- The related updates for page size calculation of leaf entries
- The usual churn to support new CPUs
- Small fixes and improvements all over the place"
* tag 'perf-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
perf/x86/intel: Add Tremont Topdown support
uprobes/x86: Fix fall-through warnings for Clang
perf/x86: Fix fall-through warnings for Clang
kprobes/x86: Fix fall-through warnings for Clang
perf/x86/intel/lbr: Fix the return type of get_lbr_cycles()
perf/x86/intel: Fix rtm_abort_event encoding on Ice Lake
x86/kprobes: Restore BTF if the single-stepping is cancelled
perf: Break deadlock involving exec_update_mutex
sparc64/mm: Implement pXX_leaf_size() support
powerpc/8xx: Implement pXX_leaf_size() support
arm64/mm: Implement pXX_leaf_size() support
perf/core: Fix arch_perf_get_page_size()
mm: Introduce pXX_leaf_size()
mm/gup: Provide gup_get_pte() more generic
perf/x86/intel: Add event constraint for CYCLE_ACTIVITY.STALLS_MEM_ANY
perf/x86/intel/uncore: Add Rocket Lake support
perf/x86/msr: Add Rocket Lake CPU support
perf/x86/cstate: Add Rocket Lake CPU support
perf/x86/intel: Add Rocket Lake CPU support
perf,mm: Handle non-page-table-aligned hugetlbfs
...
- More generalization of entry/exit functionality
- The consolidation work to reclaim TIF flags on x86 and also for non-x86
specific TIF flags which are solely relevant for syscall related work
and have been moved into their own storage space. The x86 specific part
had to be merged in to avoid a major conflict.
- The TIF_NOTIFY_SIGNAL work which replaces the inefficient signal
delivery mode of task work and results in an impressive performance
improvement for io_uring. The non-x86 consolidation of this is going to
come seperate via Jens.
- The selective syscall redirection facility which provides a clean and
efficient way to support the non-Linux syscalls of WINE by catching them
at syscall entry and redirecting them to the user space emulation. This
can be utilized for other purposes as well and has been designed
carefully to avoid overhead for the regular fastpath. This includes the
core changes and the x86 support code.
- Simplification of the context tracking entry/exit handling for the users
of the generic entry code which guarantee the proper ordering and
protection.
- Preparatory changes to make the generic entry code accomodate S390
specific requirements which are mostly related to their syscall restart
mechanism.
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Merge tag 'core-entry-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core entry/exit updates from Thomas Gleixner:
"A set of updates for entry/exit handling:
- More generalization of entry/exit functionality
- The consolidation work to reclaim TIF flags on x86 and also for
non-x86 specific TIF flags which are solely relevant for syscall
related work and have been moved into their own storage space. The
x86 specific part had to be merged in to avoid a major conflict.
- The TIF_NOTIFY_SIGNAL work which replaces the inefficient signal
delivery mode of task work and results in an impressive performance
improvement for io_uring. The non-x86 consolidation of this is
going to come seperate via Jens.
- The selective syscall redirection facility which provides a clean
and efficient way to support the non-Linux syscalls of WINE by
catching them at syscall entry and redirecting them to the user
space emulation. This can be utilized for other purposes as well
and has been designed carefully to avoid overhead for the regular
fastpath. This includes the core changes and the x86 support code.
- Simplification of the context tracking entry/exit handling for the
users of the generic entry code which guarantee the proper ordering
and protection.
- Preparatory changes to make the generic entry code accomodate S390
specific requirements which are mostly related to their syscall
restart mechanism"
* tag 'core-entry-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
entry: Add syscall_exit_to_user_mode_work()
entry: Add exit_to_user_mode() wrapper
entry_Add_enter_from_user_mode_wrapper
entry: Rename exit_to_user_mode()
entry: Rename enter_from_user_mode()
docs: Document Syscall User Dispatch
selftests: Add benchmark for syscall user dispatch
selftests: Add kselftest for syscall user dispatch
entry: Support Syscall User Dispatch on common syscall entry
kernel: Implement selective syscall userspace redirection
signal: Expose SYS_USER_DISPATCH si_code type
x86: vdso: Expose sigreturn address on vdso to the kernel
MAINTAINERS: Add entry for common entry code
entry: Fix boot for !CONFIG_GENERIC_ENTRY
x86: Support HAVE_CONTEXT_TRACKING_OFFSTACK
context_tracking: Only define schedule_user() on !HAVE_CONTEXT_TRACKING_OFFSTACK archs
sched: Detect call to schedule from critical entry code
context_tracking: Don't implement exception_enter/exit() on CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK
context_tracking: Introduce HAVE_CONTEXT_TRACKING_OFFSTACK
x86: Reclaim unused x86 TI flags
...
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Merge tag 'fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull misc fixes from Christian Brauner:
"This contains several fixes which felt worth being combined into a
single branch:
- Use put_nsproxy() instead of open-coding it switch_task_namespaces()
- Kirill's work to unify lifecycle management for all namespaces. The
lifetime counters are used identically for all namespaces types.
Namespaces may of course have additional unrelated counters and
these are not altered. This work allows us to unify the type of the
counters and reduces maintenance cost by moving the counter in one
place and indicating that basic lifetime management is identical
for all namespaces.
- Peilin's fix adding three byte padding to Dmitry's
PTRACE_GET_SYSCALL_INFO uapi struct to prevent an info leak.
- Two smal patches to convert from the /* fall through */ comment
annotation to the fallthrough keyword annotation which I had taken
into my branch and into -next before df561f6688 ("treewide: Use
fallthrough pseudo-keyword") made it upstream which fixed this
tree-wide.
Since I didn't want to invalidate all testing for other commits I
didn't rebase and kept them"
* tag 'fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
nsproxy: use put_nsproxy() in switch_task_namespaces()
sys: Convert to the new fallthrough notation
signal: Convert to the new fallthrough notation
time: Use generic ns_common::count
cgroup: Use generic ns_common::count
mnt: Use generic ns_common::count
user: Use generic ns_common::count
pid: Use generic ns_common::count
ipc: Use generic ns_common::count
uts: Use generic ns_common::count
net: Use generic ns_common::count
ns: Add a common refcount into ns_common
ptrace: Prevent kernel-infoleak in ptrace_get_syscall_info()
- Expose tag address bits in siginfo. The original arm64 ABI did not
expose any of the bits 63:56 of a tagged address in siginfo. In the
presence of user ASAN or MTE, this information may be useful. The
implementation is generic to other architectures supporting tags (like
SPARC ADI, subject to wiring up the arch code). The user will have to
opt in via sigaction(SA_EXPOSE_TAGBITS) so that the extra bits, if
available, become visible in si_addr.
- Default to 32-bit wide ZONE_DMA. Previously, ZONE_DMA was set to the
lowest 1GB to cope with the Raspberry Pi 4 limitations, to the
detriment of other platforms. With these changes, the kernel scans the
Device Tree dma-ranges and the ACPI IORT information before deciding
on a smaller ZONE_DMA.
- Strengthen READ_ONCE() to acquire when CONFIG_LTO=y. When building
with LTO, there is an increased risk of the compiler converting an
address dependency headed by a READ_ONCE() invocation into a control
dependency and consequently allowing for harmful reordering by the
CPU.
- Add CPPC FFH support using arm64 AMU counters.
- set_fs() removal on arm64. This renders the User Access Override (UAO)
ARMv8 feature unnecessary.
- Perf updates: PMU driver for the ARM DMC-620 memory controller, sysfs
identifier file for SMMUv3, stop event counters support for i.MX8MP,
enable the perf events-based hard lockup detector.
- Reorganise the kernel VA space slightly so that 52-bit VA
configurations can use more virtual address space.
- Improve the robustness of the arm64 memory offline event notifier.
- Pad the Image header to 64K following the EFI header definition
updated recently to increase the section alignment to 64K.
- Support CONFIG_CMDLINE_EXTEND on arm64.
- Do not use tagged PC in the kernel (TCR_EL1.TBID1==1), freeing up 8
bits for PtrAuth.
- Switch to vmapped shadow call stacks.
- Miscellaneous clean-ups.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- Expose tag address bits in siginfo. The original arm64 ABI did not
expose any of the bits 63:56 of a tagged address in siginfo. In the
presence of user ASAN or MTE, this information may be useful. The
implementation is generic to other architectures supporting tags
(like SPARC ADI, subject to wiring up the arch code). The user will
have to opt in via sigaction(SA_EXPOSE_TAGBITS) so that the extra
bits, if available, become visible in si_addr.
- Default to 32-bit wide ZONE_DMA. Previously, ZONE_DMA was set to the
lowest 1GB to cope with the Raspberry Pi 4 limitations, to the
detriment of other platforms. With these changes, the kernel scans
the Device Tree dma-ranges and the ACPI IORT information before
deciding on a smaller ZONE_DMA.
- Strengthen READ_ONCE() to acquire when CONFIG_LTO=y. When building
with LTO, there is an increased risk of the compiler converting an
address dependency headed by a READ_ONCE() invocation into a control
dependency and consequently allowing for harmful reordering by the
CPU.
- Add CPPC FFH support using arm64 AMU counters.
- set_fs() removal on arm64. This renders the User Access Override
(UAO) ARMv8 feature unnecessary.
- Perf updates: PMU driver for the ARM DMC-620 memory controller, sysfs
identifier file for SMMUv3, stop event counters support for i.MX8MP,
enable the perf events-based hard lockup detector.
- Reorganise the kernel VA space slightly so that 52-bit VA
configurations can use more virtual address space.
- Improve the robustness of the arm64 memory offline event notifier.
- Pad the Image header to 64K following the EFI header definition
updated recently to increase the section alignment to 64K.
- Support CONFIG_CMDLINE_EXTEND on arm64.
- Do not use tagged PC in the kernel (TCR_EL1.TBID1==1), freeing up 8
bits for PtrAuth.
- Switch to vmapped shadow call stacks.
- Miscellaneous clean-ups.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (78 commits)
perf/imx_ddr: Add system PMU identifier for userspace
bindings: perf: imx-ddr: add compatible string
arm64: Fix build failure when HARDLOCKUP_DETECTOR_PERF is enabled
arm64: mte: fix prctl(PR_GET_TAGGED_ADDR_CTRL) if TCF0=NONE
arm64: mark __system_matches_cap as __maybe_unused
arm64: uaccess: remove vestigal UAO support
arm64: uaccess: remove redundant PAN toggling
arm64: uaccess: remove addr_limit_user_check()
arm64: uaccess: remove set_fs()
arm64: uaccess cleanup macro naming
arm64: uaccess: split user/kernel routines
arm64: uaccess: refactor __{get,put}_user
arm64: uaccess: simplify __copy_user_flushcache()
arm64: uaccess: rename privileged uaccess routines
arm64: sdei: explicitly simulate PAN/UAO entry
arm64: sdei: move uaccess logic to arch/arm64/
arm64: head.S: always initialize PSTATE
arm64: head.S: cleanup SCTLR_ELx initialization
arm64: head.S: rename el2_setup -> init_kernel_el
arm64: add C wrappers for SET_PSTATE_*()
...
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
1) Missing dependencies in NFT_BRIDGE_REJECT, from Randy Dunlap.
2) Use atomic_inc_return() instead of atomic_add_return() in IPVS,
from Yejune Deng.
3) Simplify check for overquota in xt_nfacct, from Kaixu Xia.
4) Move nfnl_acct_list away from struct net, from Miao Wang.
5) Pass actual sk in reject actions, from Jan Engelhardt.
6) Add timeout and protoinfo to ctnetlink destroy events,
from Florian Westphal.
7) Four patches to generalize set infrastructure to support
for multiple expressions per set element.
* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next:
netfilter: nftables: netlink support for several set element expressions
netfilter: nftables: generalize set extension to support for several expressions
netfilter: nftables: move nft_expr before nft_set
netfilter: nftables: generalize set expressions support
netfilter: ctnetlink: add timeout and protoinfo to destroy events
netfilter: use actual socket sk for REJECT action
netfilter: nfnl_acct: remove data from struct net
netfilter: Remove unnecessary conversion to bool
ipvs: replace atomic_add_return()
netfilter: nft_reject_bridge: fix build errors due to code movement
====================
Link: https://lore.kernel.org/r/20201212230513.3465-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Daniel Borkmann says:
====================
pull-request: bpf-next 2020-12-14
1) Expose bpf_sk_storage_*() helpers to iterator programs, from Florent Revest.
2) Add AF_XDP selftests based on veth devs to BPF selftests, from Weqaar Janjua.
3) Support for finding BTF based kernel attach targets through libbpf's
bpf_program__set_attach_target() API, from Andrii Nakryiko.
4) Permit pointers on stack for helper calls in the verifier, from Yonghong Song.
5) Fix overflows in hash map elem size after rlimit removal, from Eric Dumazet.
6) Get rid of direct invocation of llc in BPF selftests, from Andrew Delgadillo.
7) Fix xsk_recvmsg() to reorder socket state check before access, from Björn Töpel.
8) Add new libbpf API helper to retrieve ring buffer epoll fd, from Brendan Jackman.
9) Batch of minor BPF selftest improvements all over the place, from Florian Lehner,
KP Singh, Jiri Olsa and various others.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (31 commits)
selftests/bpf: Add a test for ptr_to_map_value on stack for helper access
bpf: Permits pointers on stack for helper calls
libbpf: Expose libbpf ring_buffer epoll_fd
selftests/bpf: Add set_attach_target() API selftest for module target
libbpf: Support modules in bpf_program__set_attach_target() API
selftests/bpf: Silence ima_setup.sh when not running in verbose mode.
selftests/bpf: Drop the need for LLVM's llc
selftests/bpf: fix bpf_testmod.ko recompilation logic
samples/bpf: Fix possible hang in xdpsock with multiple threads
selftests/bpf: Make selftest compilation work on clang 11
selftests/bpf: Xsk selftests - adding xdpxceiver to .gitignore
selftests/bpf: Drop tcp-{client,server}.py from Makefile
selftests/bpf: Xsk selftests - Bi-directional Sockets - SKB, DRV
selftests/bpf: Xsk selftests - Socket Teardown - SKB, DRV
selftests/bpf: Xsk selftests - DRV POLL, NOPOLL
selftests/bpf: Xsk selftests - SKB POLL, NOPOLL
selftests/bpf: Xsk selftests framework
bpf: Only provide bpf_sock_from_file with CONFIG_NET
bpf: Return -ENOTSUPP when attaching to non-kernel BTF
xsk: Validate socket state in xsk_recvmsg, prior touching socket members
...
====================
Link: https://lore.kernel.org/r/20201214214316.20642-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull crypto updates from Herbert Xu:
"API:
- Add speed testing on 1420-byte blocks for networking
Algorithms:
- Improve performance of chacha on ARM for network packets
- Improve performance of aegis128 on ARM for network packets
Drivers:
- Add support for Keem Bay OCS AES/SM4
- Add support for QAT 4xxx devices
- Enable crypto-engine retry mechanism in caam
- Enable support for crypto engine on sdm845 in qce
- Add HiSilicon PRNG driver support"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (161 commits)
crypto: qat - add capability detection logic in qat_4xxx
crypto: qat - add AES-XTS support for QAT GEN4 devices
crypto: qat - add AES-CTR support for QAT GEN4 devices
crypto: atmel-i2c - select CONFIG_BITREVERSE
crypto: hisilicon/trng - replace atomic_add_return()
crypto: keembay - Add support for Keem Bay OCS AES/SM4
dt-bindings: Add Keem Bay OCS AES bindings
crypto: aegis128 - avoid spurious references crypto_aegis128_update_simd
crypto: seed - remove trailing semicolon in macro definition
crypto: x86/poly1305 - Use TEST %reg,%reg instead of CMP $0,%reg
crypto: x86/sha512 - Use TEST %reg,%reg instead of CMP $0,%reg
crypto: aesni - Use TEST %reg,%reg instead of CMP $0,%reg
crypto: cpt - Fix sparse warnings in cptpf
hwrng: ks-sa - Add dependency on IOMEM and OF
crypto: lib/blake2s - Move selftest prototype into header file
crypto: arm/aes-ce - work around Cortex-A57/A72 silion errata
crypto: ecdh - avoid unaligned accesses in ecdh_set_secret()
crypto: ccree - rework cache parameters handling
crypto: cavium - Use dma_set_mask_and_coherent to simplify code
crypto: marvell/octeontx - Use dma_set_mask_and_coherent to simplify code
...
Some cleanups for fs-verity:
- Rename some names that have been causing confusion.
- Move structs needed for file signing to the UAPI header.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity updates from Eric Biggers:
"Some cleanups for fs-verity:
- Rename some names that have been causing confusion
- Move structs needed for file signing to the UAPI header"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: move structs needed for file signing to UAPI header
fs-verity: rename "file measurement" to "file digest"
fs-verity: rename fsverity_signed_digest to fsverity_formatted_digest
fs-verity: remove filenames from file comments
This release there are some fixes for longstanding problems, as well as
some cleanups:
- Fix a race condition where a duplicate filename could be created in an
encrypted directory if a syscall that creates a new filename raced
with the directory's encryption key being added.
- Allow deleting files that use an unsupported encryption policy.
- Simplify the locking for 'struct fscrypt_master_key'.
- Remove kernel-internal constants from the UAPI header.
As usual, all these patches have been in linux-next with no reported
issues, and I've tested them with xfstests.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"This release there are some fixes for longstanding problems, as well
as some cleanups:
- Fix a race condition where a duplicate filename could be created in
an encrypted directory if a syscall that creates a new filename
raced with the directory's encryption key being added.
- Allow deleting files that use an unsupported encryption policy.
- Simplify the locking for 'struct fscrypt_master_key'.
- Remove kernel-internal constants from the UAPI header.
As usual, all these patches have been in linux-next with no reported
issues, and I've tested them with xfstests"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: allow deleting files with unsupported encryption policy
fscrypt: unexport fscrypt_get_encryption_info()
fscrypt: move fscrypt_require_key() to fscrypt_private.h
fscrypt: move body of fscrypt_prepare_setattr() out-of-line
fscrypt: introduce fscrypt_prepare_readdir()
ext4: don't call fscrypt_get_encryption_info() from dx_show_leaf()
ubifs: remove ubifs_dir_open()
f2fs: remove f2fs_dir_open()
ext4: remove ext4_dir_open()
fscrypt: simplify master key locking
fscrypt: remove unnecessary calls to fscrypt_require_key()
ubifs: prevent creating duplicate encrypted filenames
f2fs: prevent creating duplicate encrypted filenames
ext4: prevent creating duplicate encrypted filenames
fscrypt: add fscrypt_is_nokey_name()
fscrypt: remove kernel-internal constants from UAPI header
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Merge tag 'media/v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- some rework at the uAPI pixel format docs
- the smiapp driver has started to gain support for MIPI CSS camera
sensors and was renamed
- two new sensor drivers: ov02a10 and ov9734
- Meson gained a driver for the 2D acceleration unit
- Rockchip rkisp1 driver was promoted from staging
- Cedrus driver gained support for VP8
- two new remote controller keymaps were added
- the usual set of fixes cleanups and driver improvements
* tag 'media/v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (447 commits)
media: ccs: Add support for obtaining C-PHY configuration from firmware
media: ccs-pll: Print pixel rates
media: ccs: Print written register values
media: ccs: Add support for DDR OP SYS and OP PIX clocks
media: ccs-pll: Add support for DDR OP system and pixel clocks
media: ccs: Dual PLL support
media: ccs-pll: Add trivial dual PLL support
media: ccs-pll: Separate VT divisor limit calculation from the rest
media: ccs-pll: Fix VT post-PLL divisor calculation
media: ccs-pll: Make VT divisors 16-bit
media: ccs-pll: Rework bounds checks
media: ccs-pll: Print relevant information on PLL tree
media: ccs-pll: Better separate OP and VT sub-tree calculation
media: ccs-pll: Check for derating and overrating, support non-derating sensors
media: ccs-pll: Split off VT subtree calculation
media: ccs-pll: Add C-PHY support
media: ccs-pll: Add sanity checks
media: ccs-pll: Add support flexible OP PLL pixel clock divider
media: ccs-pll: Support two cycles per pixel on OP domain
media: ccs-pll: Add support for extended input PLL clock divider
...
core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT
sched:
- avoid infinite waits
ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support
vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support
displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps
fbdev:
- mark as orphaned
amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes
radeon:
- expose voltage via hwmon on SUMO
amdkfd:
- fix unique id handling
i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+
msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support
aspeed:
- sysfs output config support
ast:
- LUT fix
- new display mode
gma500:
- remove 2d framebuffer accel
panfrost:
- move gpu reset to a worker
exynos:
- new HDMI mode support
mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved
etnaviv:
- new perf counter
- more lockdep annotation
hibmc:
- i2c DDC support
ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes
tilcdc:
- don't keep vblank irq enabled
vc4:
- new maintainer added
- DSI registration fix
virtio:
- blob resource support
- host visible and cross-device support
- uuid api support
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Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Not a huge amount of big things here, AMD has support for a few new HW
variants (vangogh, green sardine, dimgrey cavefish), Intel has some
more DG1 enablement. We have a few big reworks of the TTM layers and
interfaces, GEM and atomic internal API reworks cross tree. fbdev is
marked orphaned in here as well to reflect the current reality.
core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT
sched:
- avoid infinite waits
ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support
vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support
displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps
fbdev:
- mark as orphaned
amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes
radeon:
- expose voltage via hwmon on SUMO
amdkfd:
- fix unique id handling
i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+
msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support
aspeed:
- sysfs output config support
ast:
- LUT fix
- new display mode
gma500:
- remove 2d framebuffer accel
panfrost:
- move gpu reset to a worker
exynos:
- new HDMI mode support
mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved
etnaviv:
- new perf counter
- more lockdep annotation
hibmc:
- i2c DDC support
ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes
tilcdc:
- don't keep vblank irq enabled
vc4:
- new maintainer added
- DSI registration fix
virtio:
- blob resource support
- host visible and cross-device support
- uuid api support"
* tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm: (1754 commits)
drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs
drm/amdgpu: fix size calculation with stolen vga memory
drm/amdgpu: remove amdgpu_ttm_late_init and amdgpu_bo_late_init
drm/amdgpu: free the pre-OS console framebuffer after the first modeset
drm/amdgpu: enable runtime pm using BACO on CI dGPUs
drm/amdgpu/cik: enable BACO reset on Bonaire
drm/amd/pm: update smu10.h WORKLOAD_PPLIB setting for raven
drm/amd/pm: remove one unsupported smu function for vangogh
drm/amd/display: setup system context for APUs
drm/amd/display: add S/G support for Vangogh
drm/amdkfd: Fix leak in dmabuf import
drm/amdgpu: use AMDGPU_NUM_VMID when possible
drm/amdgpu: fix sdma instance fw version and feature version init
drm/amd/pm: update driver if version for dimgrey_cavefish
drm/amd/display: 3.2.115
drm/amd/display: [FW Promotion] Release 0.0.45
drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
drm/amd/display: Enable gpu_vm_support for dcn3.01
drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on
drm/amd/display: Add wm table for Renoir
...
There's a lot of changes here but mostly cleanups and driver specific
things, the most user visible change is the support for boot time
selection of Intel DSP firmware which will make it easier for people to
move over to the preferred modern implementations in distros and other
large scale deployments.
This also includes a merge of the new auxillary bus which was done in
anticipation of use by the Intel DSP drivers which didn't quite make it.
- Lots more cleanups and simplifications from Morimoto-san.
- Support for some basic DPCM systems in the audio graph card from
Sameer Pujar.
- Remove some old pre-DT Freescale drivers for platforms that are now
DT only.
- Move selection of which Intel DSP implementation to use to boot time
rather than requiring it to be selected at build time.
- Support for Allwinner H6 I2S, Analog Devices ADAU1372, Intel
Alderlake-S, GMediatek MT8192, NXP i.MX HDMI and XCVR, Realtek RT715,
Qualcomm SM8250 and simple GPIO based muxes.
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Merge tag 'asoc-v5.11' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.11
There's a lot of changes here but mostly cleanups and driver specific
things, the most user visible change is the support for boot time
selection of Intel DSP firmware which will make it easier for people to
move over to the preferred modern implementations in distros and other
large scale deployments.
This also includes a merge of the new auxillary bus which was done in
anticipation of use by the Intel DSP drivers which didn't quite make it.
- Lots more cleanups and simplifications from Morimoto-san.
- Support for some basic DPCM systems in the audio graph card from
Sameer Pujar.
- Remove some old pre-DT Freescale drivers for platforms that are now
DT only.
- Move selection of which Intel DSP implementation to use to boot time
rather than requiring it to be selected at build time.
- Support for Allwinner H6 I2S, Analog Devices ADAU1372, Intel
Alderlake-S, GMediatek MT8192, NXP i.MX HDMI and XCVR, Realtek RT715,
Qualcomm SM8250 and simple GPIO based muxes.
This patch adds three new netlink attributes to encapsulate a list of
expressions per set elements:
- NFTA_SET_EXPRESSIONS: this attribute provides the set definition in
terms of expressions. New set elements get attached the list of
expressions that is specified by this new netlink attribute.
- NFTA_SET_ELEM_EXPRESSIONS: this attribute allows users to restore (or
initialize) the stateful information of set elements when adding an
element to the set.
- NFTA_DYNSET_EXPRESSIONS: this attribute specifies the list of
expressions that the set element gets when it is inserted from the
packet path.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* validate key indices for key deletion
* more preamble support in mac80211
* various 6 GHz scan fixes/improvements
* a common SAR power limitations API
* various small fixes & code improvements
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Merge tag 'mac80211-next-for-net-next-2020-12-11' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A new set of wireless changes:
* validate key indices for key deletion
* more preamble support in mac80211
* various 6 GHz scan fixes/improvements
* a common SAR power limitations API
* various small fixes & code improvements
* tag 'mac80211-next-for-net-next-2020-12-11' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (35 commits)
mac80211: add ieee80211_set_sar_specs
nl80211: add common API to configure SAR power limitations
mac80211: fix a mistake check for rx_stats update
mac80211: mlme: save ssid info to ieee80211_bss_conf while assoc
mac80211: Update rate control on channel change
mac80211: don't filter out beacons once we start CSA
mac80211: Fix calculation of minimal channel width
mac80211: ignore country element TX power on 6 GHz
mac80211: use bitfield helpers for BA session action frames
mac80211: support Rx timestamp calculation for all preamble types
mac80211: don't set set TDLS STA bandwidth wider than possible
mac80211: support driver-based disconnect with reconnect hint
cfg80211: support immediate reconnect request hint
mac80211: use struct assignment for he_obss_pd
cfg80211: remove struct ieee80211_he_bss_color
nl80211: validate key indexes for cfg80211_registered_device
cfg80211: include block-tx flag in channel switch started event
mac80211: disallow band-switch during CSA
ieee80211: update reduced neighbor report TBTT info length
cfg80211: Save the regulatory domain when setting custom regulatory
...
====================
Link: https://lore.kernel.org/r/20201211142552.209018-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
xdp_return_frame_bulk() needs to pass a xdp_buff
to __xdp_return().
strlcpy got converted to strscpy but here it makes no
functional difference, so just keep the right code.
Conflicts:
net/netfilter/nf_tables_api.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Change work and completion queues to use smp_load_acquire() and
smp_store_release() to synchronize between driver and users. This commit
goes with a matching series of commits in the rxe user space provider.
Link: https://lore.kernel.org/r/20201210174258.5234-1-rpearson@hpe.com
Signed-off-by: Bob Pearson <rpearson@hpe.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Remove bpf_ prefix, which causes these helpers to be reported in verifier
dump as bpf_bpf_this_cpu_ptr() and bpf_bpf_per_cpu_ptr(), respectively. Lets
fix it as long as it is still possible before UAPI freezes on these helpers.
Fixes: eaa6bcb71e ("bpf: Introduce bpf_per_cpu_ptr()")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
NL80211_CMD_SET_SAR_SPECS is added to configure SAR from
user space. NL80211_ATTR_SAR_SPEC is used to pass the SAR
power specification when used with NL80211_CMD_SET_SAR_SPECS.
Wireless driver needs to register SAR type, supported frequency
ranges to wiphy, so user space can query it. The index in
frequency range is used to specify which sub band the power
limitation applies to. The SAR type is for compatibility, so later
other SAR mechanism can be implemented without breaking the user
space SAR applications.
Normal process is user space queries the SAR capability, and
gets the index of supported frequency ranges and associates the
power limitation with this index and sends to kernel.
Here is an example of message send to kernel:
8c 00 00 00 08 00 01 00 00 00 00 00 38 00 2b 81
08 00 01 00 00 00 00 00 2c 00 02 80 14 00 00 80
08 00 02 00 00 00 00 00 08 00 01 00 38 00 00 00
14 00 01 80 08 00 02 00 01 00 00 00 08 00 01 00
48 00 00 00
NL80211_CMD_SET_SAR_SPECS: 0x8c
NL80211_ATTR_WIPHY: 0x01(phy idx is 0)
NL80211_ATTR_SAR_SPEC: 0x812b (NLA_NESTED)
NL80211_SAR_ATTR_TYPE: 0x00 (NL80211_SAR_TYPE_POWER)
NL80211_SAR_ATTR_SPECS: 0x8002 (NLA_NESTED)
freq range 0 power: 0x38 in 0.25dbm unit (14dbm)
freq range 1 power: 0x48 in 0.25dbm unit (18dbm)
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Abhishek Kumar <kuabhs@chromium.org>
Link: https://lore.kernel.org/r/20201203103728.3034-2-cjhuang@codeaurora.org
[minor edits, NLA parse cleanups]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The WLAN device may exist yet not be usable. This can happen
when the WLAN device is controllable by both the host and
some platform internal component.
We need some arbritration that is vendor specific, but when
the device is not available for the host, we need to reflect
this state towards the user space.
Add a reason field to the rfkill object (and event) so that
userspace can know why the device is in rfkill: because some
other platform component currently owns the device, or
because the actual hw rfkill signal is asserted.
Capable userspace can now determine the reason for the rfkill
and possibly do some negotiation on a side band channel using
a proprietary protocol to gain ownership on the device in case
the device is owned by some other component. When the host
gains ownership on the device, the kernel can remove the
RFKILL_HARD_BLOCK_NOT_OWNER reason and the hw rfkill state
will be off. Then, the userspace can bring the device up and
start normal operation.
The rfkill_event structure is enlarged to include the additional
byte, it is now 9 bytes long. Old user space will ask to read
only 8 bytes so that the kernel can know not to feed them with
more data. When the user space writes 8 bytes, new kernels will
just read what is present in the file descriptor. This new byte
is read only from the userspace standpoint anyway.
If a new user space uses an old kernel, it'll ask to read 9 bytes
but will get only 8, and it'll know that it didn't get the new
state. When it'll write 9 bytes, the kernel will again ignore
this new byte which is read only from the userspace standpoint.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://lore.kernel.org/r/20201104134641.28816-1-emmanuel.grumbach@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This new ioctl pair allows two ppp channels to be bridged together:
frames arriving in one channel are transmitted in the other channel
and vice versa.
The practical use for this is primarily to support the L2TP Access
Concentrator use-case. The end-user session is presented as a ppp
channel (typically PPPoE, although it could be e.g. PPPoA, or even PPP
over a serial link) and is switched into a PPPoL2TP session for
transmission to the LNS. At the LNS the PPP session is terminated in
the ISP's network.
When a PPP channel is bridged to another it takes a reference on the
other's struct ppp_file. This reference is dropped when the channels
are unbridged, which can occur either explicitly on userspace calling
the PPPIOCUNBRIDGECHAN ioctl, or implicitly when either channel in the
bridge is unregistered.
In order to implement the channel bridge, struct channel is extended
with a new field, 'bridge', which points to the other struct channel
making up the bridge.
This pointer is RCU protected to avoid adding another lock to the data
path.
To guard against concurrent writes to the pointer, the existing struct
channel lock 'upl' coverage is extended rather than adding a new lock.
The 'upl' lock is used to protect the existing unit pointer. Since the
bridge effectively replaces the unit (they're mutually exclusive for a
channel) it makes coding easier to use the same lock to cover them
both.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CAN_ISOTP_SF_BROADCAST is set in the CAN_ISOTP_OPTS flags the CAN_ISOTP
socket is switched into functional addressing mode, where only single frame
(SF) protocol data units can be send on the specified CAN interface and the
given tp.tx_id after bind().
In opposite to normal and extended addressing this socket does not register a
CAN-ID for reception which would be needed for a 1-to-1 ISOTP connection with a
segmented bi-directional data transfer.
Sending SFs on this socket is therefore a TX-only 'broadcast' operation.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Thomas Wagner <thwa1@web.de>
Link: https://lore.kernel.org/r/20201206144731.4609-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Support timeout updates through IORING_OP_TIMEOUT_REMOVE with passed in
IORING_TIMEOUT_UPDATE. Updates doesn't support offset timeout mode.
Oirignal timeout.off will be ignored as well.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
[axboe: remove now unused 'ret' variable]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Now users who want to get woken when waiting for events should submit a
timeout command first. It is not safe for applications that split SQ and
CQ handling between two threads, such as mysql. Users should synchronize
the two threads explicitly to protect SQ and that will impact the
performance.
This patch adds support for timeout to existing io_uring_enter(). To
avoid overloading arguments, it introduces a new parameter structure
which contains sigmask and timeout.
I have tested the workloads with one thread submiting nop requests
while the other reaping the cqe with timeout. It shows 1.8~2x faster
when the iodepth is 16.
Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Signed-off-by: Hao Xu <haoxu@linux.alibaba.com>
[axboe: various cleanups/fixes, and name change to SIG_IS_DATA]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linus Torvalds
Jiri Kosina
Bjorn Helgaas
Lokesh Gidra
Petr Vorel
Andra Paraschiv
Jakub Kicinski
Takashi Iwai
Pablo Neira Ayuso
Bob Pearson
Andrii Nakryiko
Carl Huang
Johannes Berg
Emmanuel Grumbach
Tom Parkin
Oliver Hartkopp
Dave Airlie
Pavel Begunkov
Hao Xu
Jens Axboe