mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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d8f26717c9
741 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
b7191581a9 |
LoongArch changes for v6.16
1, Adjust the 'make install' operation; 2, Support SCHED_MC (Multi-core scheduler); 3, Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS; 4, Enable HAVE_ARCH_STACKLEAK; 5, Increase max supported CPUs up to 2048; 6, Introduce the numa_memblks conversion; 7, Add PWM controller nodes in dts; 8, Some bug fixes and other small changes. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmhEEh8WHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImenIIEACT43zpQD6lApWZ8tk8dVYXK6Lb pKqXLIhAe9g9cSDC6QfwUTwOjv5RZxJBXgKkQfYSSd3ZEZ6hQIqb2JVYMMpNy6WA I5fJ75pr/E6RMtueg5laYxJ/zLJMM5F2qK/Moff7JGeUuDU5BJEG0R7j7KEhtgo0 5Cm+ktS7waJhNuJposa/Eay6IDWH9Of2UoNboPWmMfLvuZbIp9f1HpjwpZF6xnZ/ xeIhVOcJw8Xft/0xrcx1xZt/nYnJflNwLgaa7/CGa2q1X7yxVarfMUcY63x6cZXX 7jLppejqptPqixf+JFRGKBr8Y82Vu/1TW7XlKaywKrjHPZ/FXJsU682x6SQy2uac nOiu38qCc5DA9pKB57zxL/5DqTn+yAPGpnC//HvF9/koWCOI6lA5bYzSbBwmkpm7 DS7mVKtfPTicUs5fZ7DsHRjXuyqs6i1+s7wNaTkgG4Y/gBNAffHa36ON5jM5Wzzz WJGcMEIG0Or6tt/yUVrzY390aYzIOkyAoWJgUQ+tPCXecyjnor9i5P3ZC66dIm2r UTbC7mX4+bBa/MA1xKKMmCHdJtMzO2A+tduZRf/lO8iYs4c6IJBBaXhW9xHxf8tT Av/sXnShJWsrRW40g6Kp85ghDcLBS6SLBm5Ux5OLd2byWIeeF/R2BHdF6qb4V3j6 Y2ZHk1ewvLgB0BQ/ww== =FH8x -----END PGP SIGNATURE----- Merge tag 'loongarch-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Adjust the 'make install' operation - Support SCHED_MC (Multi-core scheduler) - Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS - Enable HAVE_ARCH_STACKLEAK - Increase max supported CPUs up to 2048 - Introduce the numa_memblks conversion - Add PWM controller nodes in dts - Some bug fixes and other small changes * tag 'loongarch-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: platform/loongarch: laptop: Unregister generic_sub_drivers on exit platform/loongarch: laptop: Add backlight power control support platform/loongarch: laptop: Get brightness setting from EC on probe LoongArch: dts: Add PWM support to Loongson-2K2000 LoongArch: dts: Add PWM support to Loongson-2K1000 LoongArch: dts: Add PWM support to Loongson-2K0500 LoongArch: vDSO: Correctly use asm parameters in syscall wrappers LoongArch: Fix panic caused by NULL-PMD in huge_pte_offset() LoongArch: Preserve firmware configuration when desired LoongArch: Avoid using $r0/$r1 as "mask" for csrxchg LoongArch: Introduce the numa_memblks conversion LoongArch: Increase max supported CPUs up to 2048 LoongArch: Enable HAVE_ARCH_STACKLEAK LoongArch: Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS LoongArch: Add SCHED_MC (Multi-core scheduler) support LoongArch: Add some annotations in archhelp LoongArch: Using generic scripts/install.sh in `make install` LoongArch: Add a default install.sh |
||
|
Linus Torvalds
|
c26f4fbd58 |
Char/Misc/IIO pull request for 6.16-rc1
Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the normal
constant forward progress of new device support and cleanups to existing
subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet, xillybus,
cardreader drivers, fastrpc and others.)
All of these have been in linux-next for quite a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / iio driver updates from Greg KH:
"Here is the big char/misc/iio and other small driver subsystem pull
request for 6.16-rc1.
Overall, a lot of individual changes, but nothing major, just the
normal constant forward progress of new device support and cleanups to
existing subsystems. Highlights in here are:
- Large IIO driver updates and additions and device tree changes
- Android binder bugfixes and logfile fixes
- mhi driver updates
- comedi driver updates
- counter driver updates and additions
- coresight driver updates and additions
- echo driver removal as there are no in-kernel users of it
- nvmem driver updates
- spmi driver updates
- new amd-sbi driver "subsystem" and drivers added
- rust miscdriver binding documentation fix
- other small driver fixes and updates (uio, w1, acrn, hpet,
xillybus, cardreader drivers, fastrpc and others)
All of these have been in linux-next for quite a while with no
reported problems"
* tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (390 commits)
binder: fix yet another UAF in binder_devices
counter: microchip-tcb-capture: Add watch validation support
dt-bindings: iio: adc: Add ROHM BD79100G
iio: adc: add support for Nuvoton NCT7201
dt-bindings: iio: adc: add NCT7201 ADCs
iio: chemical: Add driver for SEN0322
dt-bindings: trivial-devices: Document SEN0322
iio: adc: ad7768-1: reorganize driver headers
iio: bmp280: zero-init buffer
iio: ssp_sensors: optimalize -> optimize
HID: sensor-hub: Fix typo and improve documentation
iio: admv1013: replace redundant ternary operator with just len
iio: chemical: mhz19b: Fix error code in probe()
iio: adc: at91-sama5d2: use IIO_DECLARE_BUFFER_WITH_TS
iio: accel: sca3300: use IIO_DECLARE_BUFFER_WITH_TS
iio: adc: ad7380: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: adc: ad4695: rename AD4695_MAX_VIN_CHANNELS
iio: adc: ad4695: use IIO_DECLARE_DMA_BUFFER_WITH_TS
iio: introduce IIO_DECLARE_BUFFER_WITH_TS macros
iio: make IIO_DMA_MINALIGN minimum of 8 bytes
...
|
||
|
Yuli Wang
|
b37981ce54 |
LoongArch: Enable ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS
Provide support for CONFIG_MSEAL_SYSTEM_MAPPINGS on LoongArch, covering the vdso. Link: https://lore.kernel.org/all/25bad37f-273e-4626-999c-e1890be96182@lucifer.local/ Acked-by: Liam R. Howlett <Liam.Howlett@oracle.com> Acked-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Jeff Xu <jeffxu@chromium.org> Tested-by: Yuli Wang <wangyuli@uniontech.com> Signed-off-by: Yuli Wang <wangyuli@uniontech.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
||
|
Linus Torvalds
|
1b98f357da |
Networking changes for 6.16.
Core
----
- Implement the Device Memory TCP transmit path, allowing zero-copy
data transmission on top of TCP from e.g. GPU memory to the wire.
- Move all the IPv6 routing tables management outside the RTNL scope,
under its own lock and RCU. The route control path is now 3x times
faster.
- Convert queue related netlink ops to instance lock, reducing
again the scope of the RTNL lock. This improves the control plane
scalability.
- Refactor the software crc32c implementation, removing unneeded
abstraction layers and improving significantly the related
micro-benchmarks.
- Optimize the GRO engine for UDP-tunneled traffic, for a 10%
performance improvement in related stream tests.
- Cover more per-CPU storage with local nested BH locking; this is a
prep work to remove the current per-CPU lock in local_bh_disable()
on PREMPT_RT.
- Introduce and use nlmsg_payload helper, combining buffer bounds
verification with accessing payload carried by netlink messages.
Netfilter
---------
- Rewrite the procfs conntrack table implementation, improving
considerably the dump performance. A lot of user-space tools
still use this interface.
- Implement support for wildcard netdevice in netdev basechain
and flowtables.
- Integrate conntrack information into nft trace infrastructure.
- Export set count and backend name to userspace, for better
introspection.
BPF
---
- BPF qdisc support: BPF-qdisc can be implemented with BPF struct_ops
programs and can be controlled in similar way to traditional qdiscs
using the "tc qdisc" command.
- Refactor the UDP socket iterator, addressing long standing issues
WRT duplicate hits or missed sockets.
Protocols
---------
- Improve TCP receive buffer auto-tuning and increase the default
upper bound for the receive buffer; overall this improves the single
flow maximum thoughput on 200Gbs link by over 60%.
- Add AFS GSSAPI security class to AF_RXRPC; it provides transport
security for connections to the AFS fileserver and VL server.
- Improve TCP multipath routing, so that the sources address always
matches the nexthop device.
- Introduce SO_PASSRIGHTS for AF_UNIX, to allow disabling SCM_RIGHTS,
and thus preventing DoS caused by passing around problematic FDs.
- Retire DCCP socket. DCCP only receives updates for bugs, and major
distros disable it by default. Its removal allows for better
organisation of TCP fields to reduce the number of cache lines hit
in the fast path.
- Extend TCP drop-reason support to cover PAWS checks.
Driver API
----------
- Reorganize PTP ioctl flag support to require an explicit opt-in for
the drivers, avoiding the problem of drivers not rejecting new
unsupported flags.
- Converted several device drivers to timestamping APIs.
- Introduce per-PHY ethtool dump helpers, improving the support for
dump operations targeting PHYs.
Tests and tooling
-----------------
- Add support for classic netlink in user space C codegen, so that
ynl-c can now read, create and modify links, routes addresses and
qdisc layer configuration.
- Add ynl sub-types for binary attributes, allowing ynl-c to output
known struct instead of raw binary data, clarifying the classic
netlink output.
- Extend MPTCP selftests to improve the code-coverage.
- Add tests for XDP tail adjustment in AF_XDP.
New hardware / drivers
----------------------
- OpenVPN virtual driver: offload OpenVPN data channels processing
to the kernel-space, increasing the data transfer throughput WRT
the user-space implementation.
- Renesas glue driver for the gigabit ethernet RZ/V2H(P) SoC.
- Broadcom asp-v3.0 ethernet driver.
- AMD Renoir ethernet device.
- ReakTek MT9888 2.5G ethernet PHY driver.
- Aeonsemi 10G C45 PHYs driver.
Drivers
-------
- Ethernet high-speed NICs:
- nVidia/Mellanox (mlx5):
- refactor the stearing table handling to reduce significantly
the amount of memory used
- add support for complex matches in H/W flow steering
- improve flow streeing error handling
- convert to netdev instance locking
- Intel (100G, ice, igb, ixgbe, idpf):
- ice: add switchdev support for LLDP traffic over VF
- ixgbe: add firmware manipulation and regions devlink support
- igb: introduce support for frame transmission premption
- igb: adds persistent NAPI configuration
- idpf: introduce RDMA support
- idpf: add initial PTP support
- Meta (fbnic):
- extend hardware stats coverage
- add devlink dev flash support
- Broadcom (bnxt):
- add support for RX-side device memory TCP
- Wangxun (txgbe):
- implement support for udp tunnel offload
- complete PTP and SRIOV support for AML 25G/10G devices
- Ethernet NICs embedded and virtual:
- Google (gve):
- add device memory TCP TX support
- Amazon (ena):
- support persistent per-NAPI config
- Airoha:
- add H/W support for L2 traffic offload
- add per flow stats for flow offloading
- RealTek (rtl8211): add support for WoL magic packet
- Synopsys (stmmac):
- dwmac-socfpga 1000BaseX support
- add Loongson-2K3000 support
- introduce support for hardware-accelerated VLAN stripping
- Broadcom (bcmgenet):
- expose more H/W stats
- Freescale (enetc, dpaa2-eth):
- enetc: add MAC filter, VLAN filter RSS and loopback support
- dpaa2-eth: convert to H/W timestamping APIs
- vxlan: convert FDB table to rhashtable, for better scalabilty
- veth: apply qdisc backpressure on full ring to reduce TX drops
- Ethernet switches:
- Microchip (kzZ88x3): add ETS scheduler support
- Ethernet PHYs:
- RealTek (rtl8211):
- add support for WoL magic packet
- add support for PHY LEDs
- CAN:
- Adds RZ/G3E CANFD support to the rcar_canfd driver.
- Preparatory work for CAN-XL support.
- Add self-tests framework with support for CAN physical interfaces.
- WiFi:
- mac80211:
- scan improvements with multi-link operation (MLO)
- Qualcomm (ath12k):
- enable AHB support for IPQ5332
- add monitor interface support to QCN9274
- add multi-link operation support to WCN7850
- add 802.11d scan offload support to WCN7850
- monitor mode for WCN7850, better 6 GHz regulatory
- Qualcomm (ath11k):
- restore hibernation support
- MediaTek (mt76):
- WiFi-7 improvements
- implement support for mt7990
- Intel (iwlwifi):
- enhanced multi-link single-radio (EMLSR) support on 5 GHz links
- rework device configuration
- RealTek (rtw88):
- improve throughput for RTL8814AU
- RealTek (rtw89):
- add multi-link operation support
- STA/P2P concurrency improvements
- support different SAR configs by antenna
- Bluetooth:
- introduce HCI Driver protocol
- btintel_pcie: do not generate coredump for diagnostic events
- btusb: add HCI Drv commands for configuring altsetting
- btusb: add RTL8851BE device 0x0bda:0xb850
- btusb: add new VID/PID 13d3/3584 for MT7922
- btusb: add new VID/PID 13d3/3630 and 13d3/3613 for MT7925
- btnxpuart: implement host-wakeup feature
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core:
- Implement the Device Memory TCP transmit path, allowing zero-copy
data transmission on top of TCP from e.g. GPU memory to the wire.
- Move all the IPv6 routing tables management outside the RTNL scope,
under its own lock and RCU. The route control path is now 3x times
faster.
- Convert queue related netlink ops to instance lock, reducing again
the scope of the RTNL lock. This improves the control plane
scalability.
- Refactor the software crc32c implementation, removing unneeded
abstraction layers and improving significantly the related
micro-benchmarks.
- Optimize the GRO engine for UDP-tunneled traffic, for a 10%
performance improvement in related stream tests.
- Cover more per-CPU storage with local nested BH locking; this is a
prep work to remove the current per-CPU lock in local_bh_disable()
on PREMPT_RT.
- Introduce and use nlmsg_payload helper, combining buffer bounds
verification with accessing payload carried by netlink messages.
Netfilter:
- Rewrite the procfs conntrack table implementation, improving
considerably the dump performance. A lot of user-space tools still
use this interface.
- Implement support for wildcard netdevice in netdev basechain and
flowtables.
- Integrate conntrack information into nft trace infrastructure.
- Export set count and backend name to userspace, for better
introspection.
BPF:
- BPF qdisc support: BPF-qdisc can be implemented with BPF struct_ops
programs and can be controlled in similar way to traditional qdiscs
using the "tc qdisc" command.
- Refactor the UDP socket iterator, addressing long standing issues
WRT duplicate hits or missed sockets.
Protocols:
- Improve TCP receive buffer auto-tuning and increase the default
upper bound for the receive buffer; overall this improves the
single flow maximum thoughput on 200Gbs link by over 60%.
- Add AFS GSSAPI security class to AF_RXRPC; it provides transport
security for connections to the AFS fileserver and VL server.
- Improve TCP multipath routing, so that the sources address always
matches the nexthop device.
- Introduce SO_PASSRIGHTS for AF_UNIX, to allow disabling SCM_RIGHTS,
and thus preventing DoS caused by passing around problematic FDs.
- Retire DCCP socket. DCCP only receives updates for bugs, and major
distros disable it by default. Its removal allows for better
organisation of TCP fields to reduce the number of cache lines hit
in the fast path.
- Extend TCP drop-reason support to cover PAWS checks.
Driver API:
- Reorganize PTP ioctl flag support to require an explicit opt-in for
the drivers, avoiding the problem of drivers not rejecting new
unsupported flags.
- Converted several device drivers to timestamping APIs.
- Introduce per-PHY ethtool dump helpers, improving the support for
dump operations targeting PHYs.
Tests and tooling:
- Add support for classic netlink in user space C codegen, so that
ynl-c can now read, create and modify links, routes addresses and
qdisc layer configuration.
- Add ynl sub-types for binary attributes, allowing ynl-c to output
known struct instead of raw binary data, clarifying the classic
netlink output.
- Extend MPTCP selftests to improve the code-coverage.
- Add tests for XDP tail adjustment in AF_XDP.
New hardware / drivers:
- OpenVPN virtual driver: offload OpenVPN data channels processing to
the kernel-space, increasing the data transfer throughput WRT the
user-space implementation.
- Renesas glue driver for the gigabit ethernet RZ/V2H(P) SoC.
- Broadcom asp-v3.0 ethernet driver.
- AMD Renoir ethernet device.
- ReakTek MT9888 2.5G ethernet PHY driver.
- Aeonsemi 10G C45 PHYs driver.
Drivers:
- Ethernet high-speed NICs:
- nVidia/Mellanox (mlx5):
- refactor the steering table handling to significantly
reduce the amount of memory used
- add support for complex matches in H/W flow steering
- improve flow streeing error handling
- convert to netdev instance locking
- Intel (100G, ice, igb, ixgbe, idpf):
- ice: add switchdev support for LLDP traffic over VF
- ixgbe: add firmware manipulation and regions devlink support
- igb: introduce support for frame transmission premption
- igb: adds persistent NAPI configuration
- idpf: introduce RDMA support
- idpf: add initial PTP support
- Meta (fbnic):
- extend hardware stats coverage
- add devlink dev flash support
- Broadcom (bnxt):
- add support for RX-side device memory TCP
- Wangxun (txgbe):
- implement support for udp tunnel offload
- complete PTP and SRIOV support for AML 25G/10G devices
- Ethernet NICs embedded and virtual:
- Google (gve):
- add device memory TCP TX support
- Amazon (ena):
- support persistent per-NAPI config
- Airoha:
- add H/W support for L2 traffic offload
- add per flow stats for flow offloading
- RealTek (rtl8211): add support for WoL magic packet
- Synopsys (stmmac):
- dwmac-socfpga 1000BaseX support
- add Loongson-2K3000 support
- introduce support for hardware-accelerated VLAN stripping
- Broadcom (bcmgenet):
- expose more H/W stats
- Freescale (enetc, dpaa2-eth):
- enetc: add MAC filter, VLAN filter RSS and loopback support
- dpaa2-eth: convert to H/W timestamping APIs
- vxlan: convert FDB table to rhashtable, for better scalabilty
- veth: apply qdisc backpressure on full ring to reduce TX drops
- Ethernet switches:
- Microchip (kzZ88x3): add ETS scheduler support
- Ethernet PHYs:
- RealTek (rtl8211):
- add support for WoL magic packet
- add support for PHY LEDs
- CAN:
- Adds RZ/G3E CANFD support to the rcar_canfd driver.
- Preparatory work for CAN-XL support.
- Add self-tests framework with support for CAN physical interfaces.
- WiFi:
- mac80211:
- scan improvements with multi-link operation (MLO)
- Qualcomm (ath12k):
- enable AHB support for IPQ5332
- add monitor interface support to QCN9274
- add multi-link operation support to WCN7850
- add 802.11d scan offload support to WCN7850
- monitor mode for WCN7850, better 6 GHz regulatory
- Qualcomm (ath11k):
- restore hibernation support
- MediaTek (mt76):
- WiFi-7 improvements
- implement support for mt7990
- Intel (iwlwifi):
- enhanced multi-link single-radio (EMLSR) support on 5 GHz links
- rework device configuration
- RealTek (rtw88):
- improve throughput for RTL8814AU
- RealTek (rtw89):
- add multi-link operation support
- STA/P2P concurrency improvements
- support different SAR configs by antenna
- Bluetooth:
- introduce HCI Driver protocol
- btintel_pcie: do not generate coredump for diagnostic events
- btusb: add HCI Drv commands for configuring altsetting
- btusb: add RTL8851BE device 0x0bda:0xb850
- btusb: add new VID/PID 13d3/3584 for MT7922
- btusb: add new VID/PID 13d3/3630 and 13d3/3613 for MT7925
- btnxpuart: implement host-wakeup feature"
* tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1611 commits)
selftests/bpf: Fix bpf selftest build warning
selftests: netfilter: Fix skip of wildcard interface test
net: phy: mscc: Stop clearing the the UDPv4 checksum for L2 frames
net: openvswitch: Fix the dead loop of MPLS parse
calipso: Don't call calipso functions for AF_INET sk.
selftests/tc-testing: Add a test for HFSC eltree double add with reentrant enqueue behaviour on netem
net_sched: hfsc: Address reentrant enqueue adding class to eltree twice
octeontx2-pf: QOS: Refactor TC_HTB_LEAF_DEL_LAST callback
octeontx2-pf: QOS: Perform cache sync on send queue teardown
net: mana: Add support for Multi Vports on Bare metal
net: devmem: ncdevmem: remove unused variable
net: devmem: ksft: upgrade rx test to send 1K data
net: devmem: ksft: add 5 tuple FS support
net: devmem: ksft: add exit_wait to make rx test pass
net: devmem: ksft: add ipv4 support
net: devmem: preserve sockc_err
page_pool: fix ugly page_pool formatting
net: devmem: move list_add to net_devmem_bind_dmabuf.
selftests: netfilter: nft_queue.sh: include file transfer duration in log message
net: phy: mscc: Fix memory leak when using one step timestamping
...
|
||
|
Linus Torvalds
|
a61e260381 |
[GIT PULL for v6.16] media updates
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||
|
Linus Torvalds
|
3e443d1673 |
A moderately busy cycle for documentation this time around:
- The most significant change is the replacement of the old kernel-doc
script (a monstrous collection of Perl regexes that predates the Git era)
with a Python reimplementation. That, too, is a horrifying collection of
regexes, but in a much cleaner and more maintainable structure that
integrates far better with the Sphinx build system.
This change has been in linux-next for the full 6.15 cycle; the small
number of problems that turned up have been addressed, seemingly to
everybody's satisfaction. The Perl kernel-doc script remains in tree (as
scripts/kernel-doc.pl) and can be used with a command-line option if need
be. Unless some reason to keep it around materializes, it will probably
go away in 6.17.
Credit goes to Mauro Carvalho Chehab for doing all this work.
- Some RTLA documentation updates
- A handful of Chinese translations
- The usual collection of typo fixes, general updates, etc.
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Merge tag 'docs-6.16' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A moderately busy cycle for documentation this time around:
- The most significant change is the replacement of the old
kernel-doc script (a monstrous collection of Perl regexes that
predates the Git era) with a Python reimplementation. That, too, is
a horrifying collection of regexes, but in a much cleaner and more
maintainable structure that integrates far better with the Sphinx
build system.
This change has been in linux-next for the full 6.15 cycle; the
small number of problems that turned up have been addressed,
seemingly to everybody's satisfaction. The Perl kernel-doc script
remains in tree (as scripts/kernel-doc.pl) and can be used with a
command-line option if need be. Unless some reason to keep it
around materializes, it will probably go away in 6.17.
Credit goes to Mauro Carvalho Chehab for doing all this work.
- Some RTLA documentation updates
- A handful of Chinese translations
- The usual collection of typo fixes, general updates, etc"
* tag 'docs-6.16' of git://git.lwn.net/linux: (85 commits)
Docs: doc-guide: update sphinx.rst Sphinx version number
docs: doc-guide: clarify latest theme usage
Documentation/scheduler: Fix typo in sched-stats domain field description
scripts: kernel-doc: prevent a KeyError when checking output
docs: kerneldoc.py: simplify exception handling logic
MAINTAINERS: update linux-doc entry to cover new Python scripts
docs: align with scripts/syscall.tbl migration
Documentation: NTB: Fix typo
Documentation: ioctl-number: Update table intro
docs: conf.py: drop backward support for old Sphinx versions
Docs: driver-api/basics: add kobject_event interfaces
Docs: relay: editing cleanups
docs: fix "incase" typo in coresight/panic.rst
Fix spelling error for 'parallel'
docs: admin-guide: fix typos in reporting-issues.rst
docs: dmaengine: add explanation for DMA_ASYNC_TX capability
Documentation: leds: improve readibility of multicolor doc
docs: fix typo in firmware-related section
docs: Makefile: Inherit PYTHONPYCACHEPREFIX setting as env variable
Documentation: ioctl-number: Update outdated submission info
...
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Linus Torvalds
|
3349ada3cf |
powerpc updates for 6.16
- Support for dynamic preemption - Migrate powerpc boards GPIO driver to new setter API - Added new PMU for KVM host-wide measurement - Enhancement to htmdump driver to support more functions - Added character device for couple RTAS supported APIs - Minor fixes and cleanup Thanks to: Amit Machhiwal, Athira Rajeev, Bagas Sanjaya, Bartosz Golaszewski, Christophe Leroy, Eddie James, Gaurav Batra, Gautam Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Jiri Slaby (SUSE), Linus Walleij, Michal Suchanek, Naveen N Rao (AMD), Nilay Shroff, Ricardo B. Marlière, Ritesh Harjani (IBM), Sathvika Vasireddy, Shrikanth Hegde, Stephen Rothwell, Sourabh Jain, Thorsten Blum, Vaibhav Jain, Venkat Rao Bagalkote, Viktor Malik -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmgzykEACgkQpnEsdPSH ZJTEIg//a+m4lxMOO5rm6ND2nmp0/fDtC9aBpX/GNH6ZkOJX+aFH1eC0vcXX3guh N5dMc9bbOomhDMABWH7fZcs/VCMaSCd+vrg/IulpZmqrLnd+w/qlD9IKbAcQrE7y 8m/zQ+bwsq7MRVDBHRqEmvqpUVAvAqTtF7iVA5k/YptNHCDjqI8y0/YcDBOmJrsd GhbFVWFS95M5TeC4SFRfzr9Tb6GffNMqhZROeJfmzJlwigAztcfw7oNUvFbnexLI Vz3Xoflbv6oY1azdq+W9XbUcH+QCG0Ua6nVpRqutzYYFCCnUysv1EujeTGVdoR7v KDuzKSPLk6LuJRi8T/nOl2ggUD6zREJ9CE6/uRBntGBt+bl2Zb/yDr8xJ1ELHkdB TzPGy6PoJ1lxyvV9clO1TdSBuGYMV/21XK7O5MG7tCSFUCTdAOVp9wbAHOUAU7+Q 5rvW9yrNhMPcAfWV3uFY3DPVYWnDFxVmsRVL87S3vPsvQm8v63AJYWctmjvqnuQE 619F13HiS3M4HqcPupKsxV5w/1Yj2+Wz8QKg2umtdBdlSA9fmdtDpsEXh7kJJrah mVR9m28ffbEmd1pBaHoUVBT0j1pEQtXXIiKUhEdANfkBfoRIpeROq1VqLLeKos3B Dj9KgR+EOqwR0syqkV6AHAaSwqCur1r6ZSkGTA8urC/2HJ/YZC0= =dsj5 -----END PGP SIGNATURE----- Merge tag 'powerpc-6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - Support for dynamic preemption - Migrate powerpc boards GPIO driver to new setter API - Added new PMU for KVM host-wide measurement - Enhancement to htmdump driver to support more functions - Added character device for couple RTAS supported APIs - Minor fixes and cleanup Thanks to Amit Machhiwal, Athira Rajeev, Bagas Sanjaya, Bartosz Golaszewski, Christophe Leroy, Eddie James, Gaurav Batra, Gautam Menghani, Geert Uytterhoeven, Haren Myneni, Hari Bathini, Jiri Slaby (SUSE), Linus Walleij, Michal Suchanek, Naveen N Rao (AMD), Nilay Shroff, Ricardo B. Marlière, Ritesh Harjani (IBM), Sathvika Vasireddy, Shrikanth Hegde, Stephen Rothwell, Sourabh Jain, Thorsten Blum, Vaibhav Jain, Venkat Rao Bagalkote, and Viktor Malik. * tag 'powerpc-6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (52 commits) MAINTAINERS: powerpc: Remove myself as a reviewer powerpc/iommu: Use str_disabled_enabled() helper powerpc/powermac: Use str_enabled_disabled() and str_on_off() helpers powerpc/mm/fault: Use str_write_read() helper function powerpc: Replace strcpy() with strscpy() in proc_ppc64_init() powerpc/pseries/iommu: Fix kmemleak in TCE table userspace view powerpc/kernel: Fix ppc_save_regs inclusion in build powerpc: Transliterate author name and remove FIXME powerpc/pseries/htmdump: Include header file to get is_kvm_guest() definition KVM: PPC: Book3S HV: Fix IRQ map warnings with XICS on pSeries KVM Guest powerpc/8xx: Reduce alignment constraint for kernel memory powerpc/boot: Fix build with gcc 15 powerpc/pseries/htmdump: Add documentation for H_HTM debugfs interface powerpc/pseries/htmdump: Add htm capabilities support to htmdump module powerpc/pseries/htmdump: Add htm flags support to htmdump module powerpc/pseries/htmdump: Add htm setup support to htmdump module powerpc/pseries/htmdump: Add htm info support to htmdump module powerpc/pseries/htmdump: Add htm status support to htmdump module powerpc/pseries/htmdump: Add htm start support to htmdump module powerpc/pseries/htmdump: Add htm configure support to htmdump module ... |
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Akshay Gupta
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35ac2034db |
misc: amd-sbi: Add support for AMD_SBI IOCTL
The present sbrmi module only support reporting power via hwmon. However, AMD data center range of processors support various system management functionality using custom protocols defined in Advanced Platform Management Link (APML) specification. Register a miscdevice, which creates a device /dev/sbrmiX with an IOCTL interface for the user space to invoke the APML Mailbox protocol, which is already defined in sbrmi_mailbox_xfer(). The APML protocols depend on a set of RMI registers. Having an IOCTL as a single entry point will help in providing synchronization among these protocols as multiple transactions on RMI register set may create race condition. Support for other protocols will be added in subsequent patches. APML mailbox protocol returns additional error codes written by SMU firmware in the out-bound register 0x37. These errors include, invalid core, message not supported over platform and others. This additional error codes can be used to provide more details to user space. Open-sourced and widely used https://github.com/amd/esmi_oob_library will continue to provide user-space programmable API. Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com> Signed-off-by: Akshay Gupta <akshay.gupta@amd.com> Link: https://lore.kernel.org/r/20250428063034.2145566-7-akshay.gupta@amd.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Bagas Sanjaya
|
d5048aca8d |
Documentation: ioctl-number: Update table intro
Introduction paragraph to the ioctl numbers table states that only ioctls in up to ancient Linux kernel version (v2.6.31) for x86 arch are listed. This is inaccurate as the table also lists ioctls from non-x86 archs and the kernel is continously developed (currently in v6.x). Update the paragraph accordingly. Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20250508005838.8381-2-bagasdotme@gmail.com> |
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Keke Li
|
f0d3a857ae |
Documentation: media: Add documentation file metafmt-c3-isp.rst
Add the file 'metafmt-c3-isp.rst' that documents the meta format of c3-isp. Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Keke Li <keke.li@amlogic.com> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> |
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Bagas Sanjaya
|
40e71e32c8 |
Documentation: ioctl-number: Update outdated submission info
Much like device numbers that used to be assigned by LANANA (see commit
|
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Haren Myneni
|
03c9d1a5a3 |
Documentation: Fix description format for powerpc RTAS ioctls
Fix the description format for the following build warnings:
"Documentation/userspace-api/ioctl/ioctl-number.rst:369:
ERROR: Malformed table. Text in column margin in table line 301.
0xB2 03-05 arch/powerpc/include/uapi/asm/papr-indices.h
powerpc/pseries indices API
<mailto:linuxppc-dev>
0xB2 06-07 arch/powerpc/include/uapi/asm/papr-platform-dump.h
powerpc/pseries Platform Dump API
<mailto:linuxppc-dev>
0xB2 08 arch/powerpc/include/uapi/asm/papr-physical-attestation.h
powerpc/pseries Physical Attestation API
<mailto:linuxppc-dev>"
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Fixes:
|
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Jakub Kicinski
|
240ce924d2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.15-rc3). No conflicts. Adjacent changes: tools/net/ynl/pyynl/ynl_gen_c.py |
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Haren Myneni
|
86900ab620 |
powerpc/pseries: Add a char driver for physical-attestation RTAS
The RTAS call ibm,physical-attestation is used to retrieve
information about the trusted boot state of the firmware and
hypervisor on the system, and also Trusted Platform Modules (TPM)
data if the system is TCG 2.0 compliant.
This RTAS interface expects the caller to define different command
structs such as RetrieveTPMLog, RetrievePlatformCertificat and etc,
in a work area with a maximum size of 4K bytes and the response
buffer will be returned in the same work area.
The current implementation of this RTAS function is in the user
space but allocation of the work area is restricted with the system
lockdown. So this patch implements this RTAS function in the kernel
and expose to the user space with open/ioctl/read interfaces.
PAPR (2.13+ 21.3 ibm,physical-attestation) defines RTAS function:
- Pass the command struct to obtain the response buffer for the
specific command.
- This RTAS function is sequence RTAS call and has to issue RTAS
call multiple times to get the complete response buffer (max 64K).
The hypervisor expects the first RTAS call with the sequence 1 and
the subsequent calls with the sequence number returned from the
previous calls.
Expose these interfaces to user space with a
/dev/papr-physical-attestation character device using the following
programming model:
int devfd = open("/dev/papr-physical-attestation");
int fd = ioctl(devfd, PAPR_PHY_ATTEST_IOC_HANDLE,
struct papr_phy_attest_io_block);
- The user space defines the command struct and requests the
response for any command.
- Obtain the complete response buffer and returned the buffer as
blob to the command specific FD.
size = read(fd, buf, len);
- Can retrieve the response buffer once or multiple times until the
end of BLOB buffer.
Implemented this new kernel ABI support in librtas library for
system lockdown
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250416225743.596462-8-haren@linux.ibm.com
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Haren Myneni
|
8aa9efc0be |
powerpc/pseries: Add papr-platform-dump character driver for dump retrieval
ibm,platform-dump RTAS call in combination with writable mapping
/dev/mem is issued to collect platform dump from the hypervisor
and may need multiple calls to get the complete dump. The current
implementation uses rtas_platform_dump() API provided by librtas
library to issue these RTAS calls. But /dev/mem access by the
user space is prohibited under system lockdown.
The solution should be to restrict access to RTAS function in user
space and provide kernel interfaces to collect dump. This patch
adds papr-platform-dump character driver and expose standard
interfaces such as open / ioctl/ read to user space in ways that
are compatible with lockdown.
PAPR (7.3.3.4.1 ibm,platform-dump) provides a method to obtain
the complete dump:
- Each dump will be identified by ID called dump tag.
- A sequence of RTAS calls have to be issued until retrieve the
complete dump. The hypervisor expects the first RTAS call with
the sequence 0 and the subsequent calls with the sequence
number returned from the previous calls.
- The hypervisor returns "dump complete" status once the complete
dump is retrieved. But expects one more RTAS call from the
partition with the NULL buffer to invalidate dump which means
the dump will be removed in the hypervisor.
- Sequence of calls are allowed with different dump IDs at the
same time but not with the same dump ID.
Expose these interfaces to user space with a /dev/papr-platform-dump
character device using the following programming model:
int devfd = open("/dev/papr-platform-dump", O_RDONLY);
int fd = ioctl(devfd,PAPR_PLATFORM_DUMP_IOC_CREATE_HANDLE, &dump_id)
- Restrict user space to access with the same dump ID.
Typically we do not expect user space requests the dump
again for the same dump ID.
char *buf = malloc(size);
length = read(fd, buf, size);
- size should be minimum 1K based on PAPR and <= 4K based
on RTAS work area size. It will be restrict to RTAS work
area size. Using 4K work area based on the current
implementation in librtas library
- Each read call issue RTAS call to get the data based on
the size requirement and returns bytes returned from the
hypervisor
- If the previous call returns dump complete status, the
next read returns 0 like EOF.
ret = ioctl(PAPR_PLATFORM_DUMP_IOC_INVALIDATE, &dump_id)
- RTAS call with NULL buffer to invalidates the dump.
The read API should use the file descriptor obtained from ioctl
based on dump ID so that gets dump contents for the corresponding
dump ID. Implemented support in librtas (rtas_platform_dump()) for
this new ABI to support system lockdown.
Signed-off-by: Haren Myneni <haren@linux.ibm.com>
Tested-by: Sathvika Vasireddy <sv@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250416225743.596462-7-haren@linux.ibm.com
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Haren Myneni
|
43d869ac25 |
powerpc/pseries: Define papr_indices_io_block for papr-indices ioctls
To issue ibm,get-indices, ibm,set-dynamic-indicator and ibm,get-dynamic-sensor-state in the user space, the RMO buffer is allocated for the work area which is restricted under system lockdown. So instead of user space execution, the kernel will provide /dev/papr-indices interface to execute these RTAS calls. The user space assigns data in papr_indices_io_block struct depends on the specific HCALL and passes to the following ioctls: PAPR_INDICES_IOC_GET: Use for ibm,get-indices. Returns a get-indices handle fd to read data. PAPR_DYNAMIC_SENSOR_IOC_GET: Use for ibm,get-dynamic-sensor-state. Updates the sensor state in papr_indices_io_block.dynamic_param.state PAPR_DYNAMIC_INDICATOR_IOC_SET: Use for ibm,set-dynamic-indicator. Sets the new state for the input indicator. Signed-off-by: Haren Myneni <haren@linux.ibm.com> Tested-by: Sathvika Vasireddy <sv@linux.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20250416225743.596462-3-haren@linux.ibm.com |
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|
Takuma Watanabe
|
1b17cdbb70 |
mseal: fix typo and style in documentation
Correct a typo in the mseal documentation. Link: https://lkml.kernel.org/r/20250318115521.11654-1-takumaw1990@gmail.com Signed-off-by: Takuma Watanabe <takumaw1990@gmail.com> Cc: Jeff Xu <jeffxu@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Jakub Kicinski
|
cd5e64fb95 |
netlink: specs: rename rtnetlink specs in accordance with family name
The rtnetlink family names are set to rt-$name within the YAML but the files are called rt_$name. C codegen assumes that the generated file name will match the family. The use of dashes is in line with our general expectation that name properties in the spec use dashes not underscores (even tho, as Donald points out most genl families use underscores in the name). We have 3 un-ideal options to choose from: - accept the slight inconsistency with old families using _, or - accept the slight annoyance with all languages having to do s/-/_/ when looking up family ID, or - accept the inconsistency with all name properties in new YAML spec being separated with - and just the family name always using _. Pick option 1 and rename the rtnl spec files. Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250410014658.782120-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jonas Karlman
|
dcbe2aeda2 |
media: v4l2: Add NV15 and NV20 pixel formats
Add NV15 and NV20 pixel formats used by the Rockchip Video Decoder for 10-bit buffers. NV15 and NV20 is 10-bit 4:2:0/4:2:2 semi-planar YUV formats similar to NV12 and NV16, using 10-bit components with no padding between each component. Instead, a group of 4 luminance/chrominance samples are stored over 5 bytes in little endian order: YYYY = UVUV = 4 * 10 bits = 40 bits = 5 bytes The '15' and '20' suffix refers to the optimum effective bits per pixel which is achieved when the total number of luminance samples is a multiple of 8 for NV15 and 4 for NV20. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Tested-by: Christopher Obbard <chris.obbard@collabora.com> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> |
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Linus Torvalds
|
8c7c1b5506 |
- The 2 patch series "mm: fixes for fallouts from mem_init() cleanup"
from Mike Rapoport fixes a couple of issues with the just-merged "arch, mm: reduce code duplication in mem_init()" series. - The 4 patch series "MAINTAINERS: add my isub-entries to MM part." from Mike Rapoport does some maintenance on MAINTAINERS. - The 6 patch series "remove tlb_remove_page_ptdesc()" from Qi Zheng does some cleanup work to the page mapping code. - The 7 patch series "mseal system mappings" from Jeff Xu permits sealing of "system mappings", such as vdso, vvar, vvar_vclock, vectors (arm compat-mode), sigpage (arm compat-mode). - Plus the usual shower of singleton patches. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZ+4XpgAKCRDdBJ7gKXxA jnwtAP43Rp3zyWf034fEypea36xQqcsy4I7YUTdZEgnFS7LCZwEApM97JvGHsYEr Ns9Zhnh+E3RWASfOAzJoVZVrAaMovg4= =MyVR -----END PGP SIGNATURE----- Merge tag 'mm-stable-2025-04-02-22-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull more MM updates from Andrew Morton: - The series "mm: fixes for fallouts from mem_init() cleanup" from Mike Rapoport fixes a couple of issues with the just-merged "arch, mm: reduce code duplication in mem_init()" series - The series "MAINTAINERS: add my isub-entries to MM part." from Mike Rapoport does some maintenance on MAINTAINERS - The series "remove tlb_remove_page_ptdesc()" from Qi Zheng does some cleanup work to the page mapping code - The series "mseal system mappings" from Jeff Xu permits sealing of "system mappings", such as vdso, vvar, vvar_vclock, vectors (arm compat-mode), sigpage (arm compat-mode) - Plus the usual shower of singleton patches * tag 'mm-stable-2025-04-02-22-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits) mseal sysmap: add arch-support txt mseal sysmap: enable s390 selftest: test system mappings are sealed mseal sysmap: update mseal.rst mseal sysmap: uprobe mapping mseal sysmap: enable arm64 mseal sysmap: enable x86-64 mseal sysmap: generic vdso vvar mapping selftests: x86: test_mremap_vdso: skip if vdso is msealed mseal sysmap: kernel config and header change mm: pgtable: remove tlb_remove_page_ptdesc() x86: pgtable: convert to use tlb_remove_ptdesc() riscv: pgtable: unconditionally use tlb_remove_ptdesc() mm: pgtable: convert some architectures to use tlb_remove_ptdesc() mm: pgtable: change pt parameter of tlb_remove_ptdesc() to struct ptdesc* mm: pgtable: make generic tlb_remove_table() use struct ptdesc microblaze/mm: put mm_cmdline_setup() in .init.text section mm/memory_hotplug: fix call folio_test_large with tail page in do_migrate_range MAINTAINERS: mm: add entry for secretmem MAINTAINERS: mm: add entry for numa memblocks and numa emulation ... |
||
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Linus Torvalds
|
0a87d6bb6f |
powerpc updates for 6.15 #2
- Remove the IBM CAPI (cxl) driver Thanks to: Andrew Donnellan. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRjvi15rv0TSTaE+SIF0oADX8seIQUCZ+0ppwAKCRAF0oADX8se IW2NAQDU+ZNn8xlyePGg2lRE+RZHndB8QL3AqiA0G9MxOKf1zwEA1XxGuqhqhRTx tMqKobTucDuDzS9IoE9jWXj5Eo9QBgs= =lpPm -----END PGP SIGNATURE----- Merge tag 'powerpc-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull more powerpc updates from Michael Ellerman: - Remove the IBM CAPI (cxl) driver Thanks to Andrew Donnellan. * tag 'powerpc-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: docs: Fix references to IBM CAPI (cxl) removal version cxl: Remove driver |
||
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Michael Ellerman
|
892c4e465c |
docs: Fix references to IBM CAPI (cxl) removal version
The IBM CAPI (cxl) driver was removed in 6.15, not 6.14. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
||
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Linus Torvalds
|
48552153cf |
iommufd 6.15 merge window pull
Two significant new items:
- Allow reporting IOMMU HW events to userspace when the events are clearly
linked to a device. This is linked to the VIOMMU object and is intended to
be used by a VMM to forward HW events to the virtual machine as part of
emulating a vIOMMU. ARM SMMUv3 is the first driver to use this
mechanism. Like the existing fault events the data is delivered through
a simple FD returning event records on read().
- PASID support in VFIO. "Process Address Space ID" is a PCI feature that
allows the device to tag all PCI DMA operations with an ID. The IOMMU
will then use the ID to select a unique translation for those DMAs. This
is part of Intel's vIOMMU support as VT-D HW requires the hypervisor to
manage each PASID entry. The support is generic so any VFIO user could
attach any translation to a PASID, and the support should work on ARM
SMMUv3 as well. AMD requires additional driver work.
Some minor updates, along with fixes:
- Prevent using nested parents with fault's, no driver support today
- Put a single "cookie_type" value in the iommu_domain to indicate what
owns the various opaque owner fields
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Two significant new items:
- Allow reporting IOMMU HW events to userspace when the events are
clearly linked to a device.
This is linked to the VIOMMU object and is intended to be used by a
VMM to forward HW events to the virtual machine as part of
emulating a vIOMMU. ARM SMMUv3 is the first driver to use this
mechanism. Like the existing fault events the data is delivered
through a simple FD returning event records on read().
- PASID support in VFIO.
The "Process Address Space ID" is a PCI feature that allows the
device to tag all PCI DMA operations with an ID. The IOMMU will
then use the ID to select a unique translation for those DMAs. This
is part of Intel's vIOMMU support as VT-D HW requires the
hypervisor to manage each PASID entry.
The support is generic so any VFIO user could attach any
translation to a PASID, and the support should work on ARM SMMUv3
as well. AMD requires additional driver work.
Some minor updates, along with fixes:
- Prevent using nested parents with fault's, no driver support today
- Put a single "cookie_type" value in the iommu_domain to indicate
what owns the various opaque owner fields"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (49 commits)
iommufd: Test attach before detaching pasid
iommufd: Fix iommu_vevent_header tables markup
iommu: Convert unreachable() to BUG()
iommufd: Balance veventq->num_events inc/dec
iommufd: Initialize the flags of vevent in iommufd_viommu_report_event()
iommufd/selftest: Add coverage for reporting max_pasid_log2 via IOMMU_HW_INFO
iommufd: Extend IOMMU_GET_HW_INFO to report PASID capability
vfio: VFIO_DEVICE_[AT|DE]TACH_IOMMUFD_PT support pasid
vfio-iommufd: Support pasid [at|de]tach for physical VFIO devices
ida: Add ida_find_first_range()
iommufd/selftest: Add coverage for iommufd pasid attach/detach
iommufd/selftest: Add test ops to test pasid attach/detach
iommufd/selftest: Add a helper to get test device
iommufd/selftest: Add set_dev_pasid in mock iommu
iommufd: Allow allocating PASID-compatible domain
iommu/vt-d: Add IOMMU_HWPT_ALLOC_PASID support
iommufd: Enforce PASID-compatible domain for RID
iommufd: Support pasid attach/replace
iommufd: Enforce PASID-compatible domain in PASID path
iommufd/device: Add pasid_attach array to track per-PASID attach
...
|
||
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Michael Ellerman
|
64f7efb0f5 |
Merge branch 'topic/cxl' into next
This merges in the removal of the IBM CAPI "cxl" driver. |
||
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Heiko Carstens
|
24e3f9fbbd |
mseal sysmap: enable s390
Provide support for CONFIG_MSEAL_SYSTEM_MAPPINGS on s390, covering the vdso. [hca@linux.ibm.com: update supported architectures] Link: https://lkml.kernel.org/r/20250317131917.1332402-1-hca@linux.ibm.com Link: https://lkml.kernel.org/r/20250311123326.2686682-3-hca@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Jeff Xu <jeffxu@chromium.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Jeff Xu
|
a8c15bb400 |
mseal sysmap: update mseal.rst
Update memory sealing documentation to include details about system mappings. Link: https://lkml.kernel.org/r/20250305021711.3867874-7-jeffxu@google.com Signed-off-by: Jeff Xu <jeffxu@chromium.org> Reviewed-by: Kees Cook <kees@kernel.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org> Cc: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrei Vagin <avagin@gmail.com> Cc: Anna-Maria Behnsen <anna-maria@linutronix.de> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Benjamin Berg <benjamin@sipsolutions.net> Cc: Christoph Hellwig <hch@lst.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Rientjes <rientjes@google.com> Cc: David S. Miller <davem@davemloft.net> Cc: Elliot Hughes <enh@google.com> Cc: Florian Faineli <f.fainelli@gmail.com> Cc: Greg Ungerer <gerg@kernel.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jann Horn <jannh@google.com> Cc: Jason A. Donenfeld <jason@zx2c4.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Jorge Lucangeli Obes <jorgelo@chromium.org> Cc: Linus Waleij <linus.walleij@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matthew Wilcow (Oracle) <willy@infradead.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@suse.com> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Mike Rapoport <mike.rapoport@gmail.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Pedro Falcato <pedro.falcato@gmail.com> Cc: Peter Xu <peterx@redhat.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Stephen Röttger <sroettger@google.com> Cc: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
25601e8544 |
Char/Misc/IIO driver updates for 6.15-rc1
Here is the big set of char, misc, iio, and other smaller driver
subsystems for 6.15-rc1. Lots of stuff in here, including:
- loads of IIO changes and driver updates
- counter driver updates
- w1 driver updates
- faux conversions for some drivers that were abusing the platform bus
interface
- coresight driver updates
- rust miscdevice binding updates based on real-world-use
- other minor driver updates
All of these have been in linux-next with no reported issues for quite a
while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / IIO driver updates from Greg KH:
"Here is the big set of char, misc, iio, and other smaller driver
subsystems for 6.15-rc1. Lots of stuff in here, including:
- loads of IIO changes and driver updates
- counter driver updates
- w1 driver updates
- faux conversions for some drivers that were abusing the platform
bus interface
- coresight driver updates
- rust miscdevice binding updates based on real-world-use
- other minor driver updates
All of these have been in linux-next with no reported issues for quite
a while"
* tag 'char-misc-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (292 commits)
samples: rust_misc_device: fix markup in top-level docs
Coresight: Fix a NULL vs IS_ERR() bug in probe
misc: lis3lv02d: convert to use faux_device
tlclk: convert to use faux_device
regulator: dummy: convert to use the faux device interface
bus: mhi: host: Fix race between unprepare and queue_buf
coresight: configfs: Constify struct config_item_type
doc: iio: ad7380: describe offload support
iio: ad7380: add support for SPI offload
iio: light: Add check for array bounds in veml6075_read_int_time_ms
iio: adc: ti-ads7924 Drop unnecessary function parameters
staging: iio: ad9834: Use devm_regulator_get_enable()
staging: iio: ad9832: Use devm_regulator_get_enable()
iio: gyro: bmg160_spi: add of_match_table
dt-bindings: iio: adc: Add i.MX94 and i.MX95 support
iio: adc: ad7768-1: remove unnecessary locking
Documentation: ABI: add wideband filter type to sysfs-bus-iio
iio: adc: ad7768-1: set MOSI idle state to prevent accidental reset
iio: adc: ad7768-1: Fix conversion result sign
iio: adc: ad7124: Benefit of dev = indio_dev->dev.parent in ad7124_parse_channel_config()
...
|
||
|
Linus Torvalds
|
0ccff074d6 |
fwctl first pull request
fwctl is a new subsystem intended to bring some common rules and order to the growing pattern of exposing a secure FW interface directly to userspace. Unlike existing places like RDMA/DRM/VFIO/uacce that are exposing a device for datapath operations fwctl is focused on debugging, configuration and provisioning of the device. It will not have the necessary features like interrupt delivery to support a datapath. This concept is similar to the long standing practice in the "HW" RAID space of having a device specific misc device to manage the RAID controller FW. fwctl generalizes this notion of a companion debug and management interface that goes along with a dataplane implemented in an appropriate subsystem. There have been three LWN articles written discussing various aspects of this: https://lwn.net/Articles/955001/ https://lwn.net/Articles/969383/ https://lwn.net/Articles/990802/ This pull requests includes three drivers to launch the subsystem: - CXL provides a vendor scheme for executing commands and a way to learn the 'command effects' (ie the security properties) of such commands. The fwctl driver allows access to these mechanism within the fwctl security model - mlx5 is family of networking products, the driver supports all current Mellanox HW still receiving FW feature updates. This includes RDMA multiprotocol NICs like ConnectX and the Bluefield family of Smart NICs. - AMD/Pensando Distributed Services card is a multi protocol Smart NIC with a multi PCI function design. fwctl works on the management PCI function following a 'command effects' model similar to CXL. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCZ939zQAKCRCFwuHvBreF YdOoAQCJq59/UC7lXU+sOsR6LISaDVTT5jAweBo0o036P9+DNAEA1iQdZ/GK2yCJ Ub33Xo9L+hzIpIbCouI3BtCXqymybAg= =f5YG -----END PGP SIGNATURE----- Merge tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull fwctl subsystem from Jason Gunthorpe: "fwctl is a new subsystem intended to bring some common rules and order to the growing pattern of exposing a secure FW interface directly to userspace. Unlike existing places like RDMA/DRM/VFIO/uacce that are exposing a device for datapath operations fwctl is focused on debugging, configuration and provisioning of the device. It will not have the necessary features like interrupt delivery to support a datapath. This concept is similar to the long standing practice in the "HW" RAID space of having a device specific misc device to manage the RAID controller FW. fwctl generalizes this notion of a companion debug and management interface that goes along with a dataplane implemented in an appropriate subsystem. There have been three LWN articles written discussing various aspects of this: https://lwn.net/Articles/955001/ https://lwn.net/Articles/969383/ https://lwn.net/Articles/990802/ This includes three drivers to launch the subsystem: - CXL provides a vendor scheme for executing commands and a way to learn the 'command effects' (ie the security properties) of such commands. The fwctl driver allows access to these mechanism within the fwctl security model - mlx5 is family of networking products, the driver supports all current Mellanox HW still receiving FW feature updates. This includes RDMA multiprotocol NICs like ConnectX and the Bluefield family of Smart NICs. - AMD/Pensando Distributed Services card is a multi protocol Smart NIC with a multi PCI function design. fwctl works on the management PCI function following a 'command effects' model similar to CXL" * tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (30 commits) pds_fwctl: add Documentation entries pds_fwctl: add rpc and query support pds_fwctl: initial driver framework pds_core: add new fwctl auxiliary_device pds_core: specify auxiliary_device to be created pds_core: make pdsc_auxbus_dev_del() void cxl: Fixup kdoc issues for include/cxl/features.h fwctl/cxl: Add documentation to FWCTL CXL cxl/test: Add Set Feature support to cxl_test cxl/test: Add Get Feature support to cxl_test cxl: Add support to handle user feature commands for set feature cxl: Add support to handle user feature commands for get feature cxl: Add support for fwctl RPC command to enable CXL feature commands cxl: Move cxl feature command structs to user header cxl: Add FWCTL support to CXL mlx5: Create an auxiliary device for fwctl_mlx5 fwctl/mlx5: Support for communicating with mlx5 fw fwctl: Add documentation fwctl: FWCTL_RPC to execute a Remote Procedure Call to device firmware taint: Add TAINT_FWCTL ... |
||
|
Linus Torvalds
|
7288511606 |
Landlock update for v6.15-rc1
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Merge tag 'landlock-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"This brings two main changes to Landlock:
- A signal scoping fix with a new interface for user space to know if
it is compatible with the running kernel.
- Audit support to give visibility on why access requests are denied,
including the origin of the security policy, missing access rights,
and description of object(s). This was designed to limit log spam
as much as possible while still alerting about unexpected blocked
access.
With these changes come new and improved documentation, and a lot of
new tests"
* tag 'landlock-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (36 commits)
landlock: Add audit documentation
selftests/landlock: Add audit tests for network
selftests/landlock: Add audit tests for filesystem
selftests/landlock: Add audit tests for abstract UNIX socket scoping
selftests/landlock: Add audit tests for ptrace
selftests/landlock: Test audit with restrict flags
selftests/landlock: Add tests for audit flags and domain IDs
selftests/landlock: Extend tests for landlock_restrict_self(2)'s flags
selftests/landlock: Add test for invalid ruleset file descriptor
samples/landlock: Enable users to log sandbox denials
landlock: Add LANDLOCK_RESTRICT_SELF_LOG_SUBDOMAINS_OFF
landlock: Add LANDLOCK_RESTRICT_SELF_LOG_*_EXEC_* flags
landlock: Log scoped denials
landlock: Log TCP bind and connect denials
landlock: Log truncate and IOCTL denials
landlock: Factor out IOCTL hooks
landlock: Log file-related denials
landlock: Log mount-related denials
landlock: Add AUDIT_LANDLOCK_DOMAIN and log domain status
landlock: Add AUDIT_LANDLOCK_ACCESS and log ptrace denials
...
|
||
|
Linus Torvalds
|
2e3fcbcc3b |
SCSI misc on 20250326
Updates to the usual drivers (scsi_debug, ufs, lpfc, st, fnic, mpi3mr, mpt3sas) and the removal of cxlflash. The only non-trivial core change is an addition to unit attention handling to recognize UAs for power on/reset and new media so the tape driver can use it. Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCZ+RQ2yYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishe6DAQCdW/21 S1Y6BDlJLQfpWChGv6GIzanC+5sMfylw4d6ULgEA8upOE5L3fC29IY958jXig0o1 uLjxylwYEfVLDf8gwJ0= =mkM+ -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "Updates to the usual drivers (scsi_debug, ufs, lpfc, st, fnic, mpi3mr, mpt3sas) and the removal of cxlflash. The only non-trivial core change is an addition to unit attention handling to recognize UAs for power on/reset and new media so the tape driver can use it" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (107 commits) scsi: st: Tighten the page format heuristics with MODE SELECT scsi: st: ERASE does not change tape location scsi: st: Fix array overflow in st_setup() scsi: target: tcm_loop: Fix wrong abort tag scsi: lpfc: Restore clearing of NLP_UNREG_INP in ndlp->nlp_flag scsi: hisi_sas: Fixed failure to issue vendor specific commands scsi: fnic: Remove unnecessary NUL-terminations scsi: fnic: Remove redundant flush_workqueue() calls scsi: core: Use a switch statement when attaching VPD pages scsi: ufs: renesas: Add initialization code for R-Car S4-8 ES1.2 scsi: ufs: renesas: Add reusable functions scsi: ufs: renesas: Refactor 0x10ad/0x10af PHY settings scsi: ufs: renesas: Remove register control helper function scsi: ufs: renesas: Add register read to remove save/set/restore scsi: ufs: renesas: Replace init data by init code scsi: ufs: dt-bindings: renesas,ufs: Add calibration data scsi: mpi3mr: Task Abort EH Support scsi: storvsc: Don't report the host packet status as the hv status scsi: isci: Make most module parameters static scsi: megaraid_sas: Make most module parameters static ... |
||
|
Linus Torvalds
|
9b960d8cd6 |
for-6.15/block-20250322
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Merge tag 'for-6.15/block-20250322' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- Fixes for integrity handling
- NVMe pull request via Keith:
- Secure concatenation for TCP transport (Hannes)
- Multipath sysfs visibility (Nilay)
- Various cleanups (Qasim, Baruch, Wang, Chen, Mike, Damien, Li)
- Correct use of 64-bit BARs for pci-epf target (Niklas)
- Socket fix for selinux when used in containers (Peijie)
- MD pull request via Yu:
- fix recovery can preempt resync (Li Nan)
- fix md-bitmap IO limit (Su Yue)
- fix raid10 discard with REQ_NOWAIT (Xiao Ni)
- fix raid1 memory leak (Zheng Qixing)
- fix mddev uaf (Yu Kuai)
- fix raid1,raid10 IO flags (Yu Kuai)
- some refactor and cleanup (Yu Kuai)
- Series cleaning up and fixing bugs in the bad block handling code
- Improve support for write failure simulation in null_blk
- Various lock ordering fixes
- Fixes for locking for debugfs attributes
- Various ublk related fixes and improvements
- Cleanups for blk-rq-qos wait handling
- blk-throttle fixes
- Fixes for loop dio and sync handling
- Fixes and cleanups for the auto-PI code
- Block side support for hardware encryption keys in blk-crypto
- Various cleanups and fixes
* tag 'for-6.15/block-20250322' of git://git.kernel.dk/linux: (105 commits)
nvmet: replace max(a, min(b, c)) by clamp(val, lo, hi)
nvme-tcp: fix selinux denied when calling sock_sendmsg
nvmet: pci-epf: Always configure BAR0 as 64-bit
nvmet: Remove duplicate uuid_copy
nvme: zns: Simplify nvme_zone_parse_entry()
nvmet: pci-epf: Remove redundant 'flush_workqueue()' calls
nvmet-fc: Remove unused functions
nvme-pci: remove stale comment
nvme-fc: Utilise min3() to simplify queue count calculation
nvme-multipath: Add visibility for queue-depth io-policy
nvme-multipath: Add visibility for numa io-policy
nvme-multipath: Add visibility for round-robin io-policy
nvmet: add tls_concat and tls_key debugfs entries
nvmet-tcp: support secure channel concatenation
nvmet: Add 'sq' argument to alloc_ctrl_args
nvme-fabrics: reset admin connection for secure concatenation
nvme-tcp: request secure channel concatenation
nvme-keyring: add nvme_tls_psk_refresh()
nvme: add nvme_auth_derive_tls_psk()
nvme: add nvme_auth_generate_digest()
...
|
||
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Mickaël Salaün
|
8e2dd47b10
|
landlock: Add audit documentation
Because audit is dedicated to the system administrator, create a new entry in Documentation/admin-guide/LSM . Extend other Landlock documentation's pages with this new one. Extend UAPI with the new log flags. Extend the guiding principles with logs. Cc: Günther Noack <gnoack@google.com> Cc: Paul Moore <paul@paul-moore.com> Link: https://lore.kernel.org/r/20250320190717.2287696-29-mic@digikod.net Signed-off-by: Mickaël Salaün <mic@digikod.net> |
||
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Linus Torvalds
|
1e26c5e28c |
[GIT PULL for v6.15] media updates
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||
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Linus Torvalds
|
a5b3d8660b |
hyperv-next for 6.15
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmfhlLATHHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXgchCADOz33rSm4G4w4r0qT05dTDi/lZkEdK 64dQq322XXP/C9FfR66d30243gsAmuM5a0SvzFHLXAOu6yqM270Xehd/Rud+Um2s lSVnc0Ux0AWBgksqFd0t577aN7zmJEukosEYO5lBNop+zOcadrm3S6Th/AoL2h/D yphPkhH13bsCK+Wll/eBOQLIhC9iA0konYbBLuEQ5MqvUbrzc6Rmb5gxsHHZKOqg vLjkrYR/d3s2gIpKxiFp0RwvzGyffZEHxvU/YF3hTenPMlTlnXWbyspBSTVmWggP 13IFLzqxDdW9RgUnGB4xRc424AC1LKqEr42QPQE7zGvl2jdJriA2Q1LT =BXqj -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv updates from Wei Liu: - Add support for running as the root partition in Hyper-V (Microsoft Hypervisor) by exposing /dev/mshv (Nuno and various people) - Add support for CPU offlining in Hyper-V (Hamza Mahfooz) - Misc fixes and cleanups (Roman Kisel, Tianyu Lan, Wei Liu, Michael Kelley, Thorsten Blum) * tag 'hyperv-next-signed-20250324' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (24 commits) x86/hyperv: fix an indentation issue in mshyperv.h x86/hyperv: Add comments about hv_vpset and var size hypercall input args Drivers: hv: Introduce mshv_root module to expose /dev/mshv to VMMs hyperv: Add definitions for root partition driver to hv headers x86: hyperv: Add mshv_handler() irq handler and setup function Drivers: hv: Introduce per-cpu event ring tail Drivers: hv: Export some functions for use by root partition module acpi: numa: Export node_to_pxm() hyperv: Introduce hv_recommend_using_aeoi() arm64/hyperv: Add some missing functions to arm64 x86/mshyperv: Add support for extended Hyper-V features hyperv: Log hypercall status codes as strings x86/hyperv: Fix check of return value from snp_set_vmsa() x86/hyperv: Add VTL mode callback for restarting the system x86/hyperv: Add VTL mode emergency restart callback hyperv: Remove unused union and structs hyperv: Add CONFIG_MSHV_ROOT to gate root partition support hyperv: Change hv_root_partition into a function hyperv: Convert hypercall statuses to linux error codes drivers/hv: add CPU offlining support ... |
||
|
Linus Torvalds
|
f81c2b8150 |
It has been a reasonably busy cycle for docs...
- Significant changes throughout the tree to bring Python code up to
current standards and raise the minimum Python required to 3.9. Much of
this is preparatory to replacing the ancient Perl scripts/kernel-doc
horror with a slightly less horrifying Python implementation, expected
for 6.16.
- Update the minimum Sphinx required to 3.4.3, allowing us to remove a
bunch of older compatibility code.
- Rework and improve the generation of the ABI documentation.
(All of the above done by Mauro)
- Lots of translation updates. Alex Shi and Yanteng Si are taking on
responsibility for the Chinese translations going forward; that work will
still get to you via docs-next
- Try to standardize the format for indicating a developer's affiliation in
commit tags.
- Clarify the TAB's role in CoC enforcement actions.
- Try to spell out the rules for when a commit tag can name another
developer without their explicit permission.
Plus lots of other typo fixes and updates.
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Merge tag 'docs-6.15' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a reasonably busy cycle for docs...
- Significant changes throughout the tree to bring Python code up to
current standards and raise the minimum Python required to 3.9
Much of this is preparatory to replacing the ancient Perl
scripts/kernel-doc horror with a slightly less horrifying Python
implementation, expected for 6.16
- Update the minimum Sphinx required to 3.4.3, allowing us to remove
a bunch of older compatibility code
- Rework and improve the generation of the ABI documentation
(All of the above done by Mauro)
- Lots of translation updates. Alex Shi and Yanteng Si are taking on
responsibility for the Chinese translations going forward; that
work will still get to you via docs-next
- Try to standardize the format for indicating a developer's
affiliation in commit tags
- Clarify the TAB's role in CoC enforcement actions
- Try to spell out the rules for when a commit tag can name another
developer without their explicit permission
Plus lots of other typo fixes and updates"
* tag 'docs-6.15' of git://git.lwn.net/linux: (98 commits)
docs/zh_CN: fix spelling mistake
docs/Chinese: change the disclaimer words
docs/zh_CN: Add snp-tdx-threat-model index Chinese translation
docs: driver-api: firmware: clarify userspace requirements
docs: clarify rules wrt tagging other people
docs: Remove outdated highuid.rst documentation
Documentation: dma-buf: heaps: Add heap name definitions
docs/.../submit-checklist: Use Documentation/admin-guide/abi.rst for cross-ref of README
docs: Correct installation instruction
Documentation: kcsan: fix "Plain Accesses and Data Races" URL in kcsan.rst
Documentation/CoC: Spell out the TAB role in enforcement decisions
Documentation: ocxl.rst: Update consortium site
scripts: get_feat.pl: substitute s390x with s390
scripts/kernel-doc: drop dead code for Wcontents_before_sections
scripts/kernel-doc: don't add not needed new lines
docs: driver-api/infiniband.rst: fix Kerneldoc markup
drivers: firewire: firewire-cdev.h: fix identation on a kernel-doc markup
drivers: media: intel-ipu3.h: fix identation on a kernel-doc markup
include/asm-generic/io.h: fix kerneldoc markup
Docs/arch/arm64: Fix spelling in amu.rst
...
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||
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Shannon Nelson
|
4032570706 |
pds_fwctl: add Documentation entries
Add pds_fwctl to the driver and fwctl documentation pages. Link: https://patch.msgid.link/r/20250320194412.67983-7-shannon.nelson@amd.com Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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Nuno Das Neves
|
621191d709 |
Drivers: hv: Introduce mshv_root module to expose /dev/mshv to VMMs
Provide a set of IOCTLs for creating and managing child partitions when running as root partition on Hyper-V. The new driver is enabled via CONFIG_MSHV_ROOT. A brief overview of the interface: MSHV_CREATE_PARTITION is the entry point, returning a file descriptor representing a child partition. IOCTLs on this fd can be used to map memory, create VPs, etc. Creating a VP returns another file descriptor representing that VP which in turn has another set of corresponding IOCTLs for running the VP, getting/setting state, etc. MSHV_ROOT_HVCALL is a generic "passthrough" hypercall IOCTL which can be used for a number of partition or VP hypercalls. This is for hypercalls that do not affect any state in the kernel driver, such as getting and setting VP registers and partition properties, translating addresses, etc. It is "passthrough" because the binary input and output for the hypercall is only interpreted by the VMM - the kernel driver does nothing but insert the VP and partition id where necessary (which are always in the same place), and execute the hypercall. Co-developed-by: Anirudh Rayabharam <anrayabh@linux.microsoft.com> Signed-off-by: Anirudh Rayabharam <anrayabh@linux.microsoft.com> Co-developed-by: Jinank Jain <jinankjain@microsoft.com> Signed-off-by: Jinank Jain <jinankjain@microsoft.com> Co-developed-by: Mukesh Rathor <mrathor@linux.microsoft.com> Signed-off-by: Mukesh Rathor <mrathor@linux.microsoft.com> Co-developed-by: Muminul Islam <muislam@microsoft.com> Signed-off-by: Muminul Islam <muislam@microsoft.com> Co-developed-by: Praveen K Paladugu <prapal@linux.microsoft.com> Signed-off-by: Praveen K Paladugu <prapal@linux.microsoft.com> Co-developed-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com> Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com> Co-developed-by: Wei Liu <wei.liu@kernel.org> Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com> Reviewed-by: Roman Kisel <romank@linux.microsoft.com> Link: https://lore.kernel.org/r/1741980536-3865-11-git-send-email-nunodasneves@linux.microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org> Message-ID: <1741980536-3865-11-git-send-email-nunodasneves@linux.microsoft.com> |
||
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Günther Noack
|
d1a088a872
|
landlock: Clarify IPC scoping documentation
* Clarify terminology * Stop mixing the unix(7) and signal(7) aspects in the explanation. Terminology: * The *IPC Scope* of a Landlock domain is that Landlock domain and its nested domains. * An *operation* (e.g., signaling, connecting to abstract UDS) is said to be *scoped within a domain* when the flag for that operation was set at ruleset creation time. This means that for the purpose of this operation, only processes within the domain's IPC scope are reachable. Signed-off-by: Günther Noack <gnoack@google.com> Link: https://lore.kernel.org/r/20250303194510.135506-4-gnoack@google.com [mic: Update doc date] Signed-off-by: Mickaël Salaün <mic@digikod.net> |
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Greg Kroah-Hartman
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5d1a5c4f12 |
coresight: updates for Linux v6.15
CoreSight self-hosted tracing driver subsystem update for Linux v6.15.
The update includes:
- CoreSight trace capture for Panic/Watchdog timeouts
- Fixes to ETM4x driver to synchronize register reads as required by the TRM
- Support for Qualcomm CoreSight TMC Control Unit driver
- Conversion of device locks to raw_spinlock for components that are used
by the Perf mode.
- Miscellaneous fixes for the subsystem
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: updates for Linux v6.15
CoreSight self-hosted tracing driver subsystem update for Linux v6.15.
The update includes:
- CoreSight trace capture for Panic/Watchdog timeouts
- Fixes to ETM4x driver to synchronize register reads as required by the TRM
- Support for Qualcomm CoreSight TMC Control Unit driver
- Conversion of device locks to raw_spinlock for components that are used
by the Perf mode.
- Miscellaneous fixes for the subsystem
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (41 commits)
Coresight: Fix a NULL vs IS_ERR() bug in probe
coresight: configfs: Constify struct config_item_type
coresight: docs: Remove target sink from examples
coresight/ultrasoc: change smb_drv_data spinlock's type to raw_spinlock_t
coresight-tmc: change tmc_drvdata spinlock's type to raw_spinlock_t
coresight-replicator: change replicator_drvdata spinlock's type to raw_spinlock_t
coresight-funnel: change funnel_drvdata spinlock's type to raw_spinlock_t
coresight-etb10: change etb_drvdata spinlock's type to raw_spinlock_t
coresight-cti: change cti_drvdata spinlock's type to raw_spinlock_t
coresight: change coresight_trace_id_map's lock type to raw_spinlock_t
coresight-etm4x: change etmv4_drvdata spinlock type to raw_spinlock_t
coresight: change coresight_device lock type to raw_spinlock_t
coresight: add verification process for coresight_etm_get_trace_id
Coresight: Add Coresight TMC Control Unit driver
dt-bindings: arm: Add Coresight TMC Control Unit hardware
Coresight: Change functions to accept the coresight_path
Coresight: Change to read the trace ID from coresight_path
Coresight: Allocate trace ID after building the path
Coresight: Introduce a new struct coresight_path
Coresight: Use coresight_etm_get_trace_id() in traceid_show()
...
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||
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Nicolin Chen
|
2ec0458eb0 |
Documentation: userspace-api: iommufd: Update FAULT and VEVENTQ
With the introduction of the new objects, update the doc to reflect that. Link: https://patch.msgid.link/r/09829fbc218872d242323d8834da4bec187ce6f4.1741719725.git.nicolinc@nvidia.com Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
||
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Dave Jiang
|
72b24a9d50 |
fwctl/cxl: Add documentation to FWCTL CXL
Add policy and operational documentation for FWCTL CXL. Link: https://patch.msgid.link/r/20250307205648.1021626-9-dave.jiang@intel.com Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
||
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Andrew Donnellan
|
5a0fcb0ef5 |
cxl: Remove driver
Remove the cxl driver that provides support for the IBM Coherent Accelerator Processor Interface. Revert or clean up associated code in arch/powerpc that is no longer necessary. cxl has received minimal maintenance for several years, and is not supported on the Power10 processor. We aren't aware of any users who are likely to be using recent kernels. Thanks to Mikey Neuling, Ian Munsie, Daniel Axtens, Frederic Barrat, Christophe Lombard, Philippe Bergheaud, Vaibhav Jain and Alastair D'Silva for their work on this driver over the years. Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Acked-by: Frederic Barrat <fbarrat@linux.ibm.com> Acked-by: Madhavan Srinivasan <maddy@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://patch.msgid.link/20250219070007.177725-2-ajd@linux.ibm.com |
||
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Maxime Ripard
|
2d38f5fe1a |
Documentation: dma-buf: heaps: Add heap name definitions
Following a recent discussion at last Plumbers, John Stultz, Sumit Sewal, TJ Mercier and I came to an agreement that we should document what the dma-buf heaps names are expected to be, and what the buffers attributes you'll get should be documented. Let's create that doc to make sure those attributes and names are guaranteed going forward. Reviewed-by: T.J. Mercier <tjmercier@google.com> Signed-off-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250306135114.1943738-1-mripard@kernel.org |
||
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Fritz Koenig
|
a65758f1e3 |
Documentation: ocxl.rst: Update consortium site
Point to post-merger site. Signed-off-by: Fritz Koenig <frkoenig@chromium.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250312-dead_site-v2-1-920a313743ee@chromium.org |
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James Clark
|
4a29fa2626 |
coresight: docs: Remove target sink from examples
Previously the sink had to be specified, but now it auto selects one by default. Including a sink in the examples causes issues when copy pasting the command because it might not work if that sink isn't present. Remove the sink from all the basic examples and create a new section specifically about overriding the default one. Make the text a but more concise now that it's in the advanced section, and similarly for removing the old kernel advice. Signed-off-by: James Clark <james.clark@linaro.org> Reviewed-by: Leo Yan <leo.yan@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20241210144933.295798-1-james.clark@linaro.org |
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Saeed Mahameed
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52929c2142 |
fwctl/mlx5: Support for communicating with mlx5 fw
mlx5 FW has a built in security context called UID. Each UID has a set of permissions controlled by the kernel when it is created and every command is tagged by the kernel with a particular UID. In general commands cannot reach objects outside of their UID and commands cannot exceed their UID's permissions. These restrictions are enforced by FW. This mechanism has long been used in RDMA for the devx interface where RDMA will sent commands directly to the FW and the UID limitations restrict those commands to a ib_device/verbs security domain. For instance commands that would effect other VFs, or global device resources. The model is suitable for unprivileged userspace to operate the RDMA functionality. The UID has been extended with a "tools resources" permission which allows additional commands and sub-commands that are intended to match with the scope limitations set in FWCTL. This is an alternative design to the "command intent log" where the FW does the enforcement rather than having the FW report the enforcement the kernel should do. Consistent with the fwctl definitions the "tools resources" security context is limited to the FWCTL_RPC_CONFIGURATION, FWCTL_RPC_DEBUG_READ_ONLY, FWCTL_RPC_DEBUG_WRITE, and FWCTL_RPC_DEBUG_WRITE_FULL security scopes. Like RDMA devx, each opened fwctl file descriptor will get a unique UID associated with each file descriptor. The fwctl driver is kept simple and we reject commands that can create objects as the UID mechanism relies on the kernel to track and destroy objects prior to detroying the UID. Filtering into fwctl sub scopes is done inside the driver with a switch statement. This substantially limits what is possible to primarily query functions ad a few limited set operations. mlx5 already has a robust infrastructure for delivering RPC messages to fw. Trivially connect fwctl's RPC mechanism to mlx5_cmd_do(). Enforce the User Context ID in every RPC header accepted from the FD so the FW knows the security context of the issuing ID. Link: https://patch.msgid.link/r/7-v5-642aa0c94070+4447f-fwctl_jgg@nvidia.com Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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Jason Gunthorpe
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18285acc2c |
fwctl: Add documentation
Document the purpose and rules for the fwctl subsystem. Link in kdocs to the doc tree. Link: https://patch.msgid.link/r/6-v5-642aa0c94070+4447f-fwctl_jgg@nvidia.com Nacked-by: Jakub Kicinski <kuba@kernel.org> Link: https://lore.kernel.org/r/20240603114250.5325279c@kernel.org Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://lore.kernel.org/r/ZrHY2Bds7oF7KRGz@phenom.ffwll.local Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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Jason Gunthorpe
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0e79a47fb1 |
fwctl: Basic ioctl dispatch for the character device
Each file descriptor gets a chunk of per-FD driver specific context that allows the driver to attach a device specific struct to. The core code takes care of the memory lifetime for this structure. The ioctl dispatch and design is based on what was built for iommufd. The ioctls have a struct which has a combined in/out behavior with a typical 'zero pad' scheme for future extension and backwards compatibility. Like iommufd some shared logic does most of the ioctl marshaling and compatibility work and table dispatches to some function pointers for each unique ioctl. This approach has proven to work quite well in the iommufd and rdma subsystems. Allocate an ioctl number space for the subsystem. Link: https://patch.msgid.link/r/2-v5-642aa0c94070+4447f-fwctl_jgg@nvidia.com Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Shannon Nelson <shannon.nelson@amd.com> Tested-by: Dave Jiang <dave.jiang@intel.com> Tested-by: Shannon Nelson <shannon.nelson@amd.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
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Yunke Cao
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7171c9cb51 |
media: uvcvideo: document UVC v1.5 ROI
Added documentation of V4L2_CID_UVC_REGION_OF_INTEREST_RECT and V4L2_CID_UVC_REGION_OF_INTEREST_AUTO. An example of a userspace implementing this feature can be found at: https://chromium.googlesource.com/chromiumos/platform2/+/refs/heads/release-R121-15699.B/camera/hal/usb/ Reviewed-by: Ricardo Ribalda <ribalda@chromium.org> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Signed-off-by: Yunke Cao <yunkec@google.com> Tested-by: Yunke Cao <yunkec@google.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-17-5900a9fed613@chromium.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> |
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Hans Verkuil
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a5bd42aafb |
media: v4l2-ctrls: add support for V4L2_CTRL_WHICH_MIN/MAX_VAL
Add the capability of retrieving the min and max values of a compound control. [Ricardo: Added static to v4l2_ctrl_type_op_(maximum|minimum) proto] [Ricardo: Fix documentation] Signed-off-by: Yunke Cao <yunkec@google.com> Tested-by: Yunke Cao <yunkec@google.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-2-5900a9fed613@chromium.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> [hverkuil: fix small alignment checkpatch warning] |