This allows to declare a kfunc as sleepable and prevents its use in
a non sleepable program.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Co-developed-by: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Hao Luo <haoluo@google.com>
Link: https://lore.kernel.org/r/20220805214821.1058337-2-haoluo@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Core
----
- Refactor the forward memory allocation to better cope with memory
pressure with many open sockets, moving from a per socket cache to
a per-CPU one
- Replace rwlocks with RCU for better fairness in ping, raw sockets
and IP multicast router.
- Network-side support for IO uring zero-copy send.
- A few skb drop reason improvements, including codegen the source file
with string mapping instead of using macro magic.
- Rename reference tracking helpers to a more consistent
netdev_* schema.
- Adapt u64_stats_t type to address load/store tearing issues.
- Refine debug helper usage to reduce the log noise caused by bots.
BPF
---
- Improve socket map performance, avoiding skb cloning on read
operation.
- Add support for 64 bits enum, to match types exposed by kernel.
- Introduce support for sleepable uprobes program.
- Introduce support for enum textual representation in libbpf.
- New helpers to implement synproxy with eBPF/XDP.
- Improve loop performances, inlining indirect calls when
possible.
- Removed all the deprecated libbpf APIs.
- Implement new eBPF-based LSM flavor.
- Add type match support, which allow accurate queries to the
eBPF used types.
- A few TCP congetsion control framework usability improvements.
- Add new infrastructure to manipulate CT entries via eBPF programs.
- Allow for livepatch (KLP) and BPF trampolines to attach to the same
kernel function.
Protocols
---------
- Introduce per network namespace lookup tables for unix sockets,
increasing scalability and reducing contention.
- Preparation work for Wi-Fi 7 Multi-Link Operation (MLO) support.
- Add support to forciby close TIME_WAIT TCP sockets via user-space
tools.
- Significant performance improvement for the TLS 1.3 receive path,
both for zero-copy and not-zero-copy.
- Support for changing the initial MTPCP subflow priority/backup
status
- Introduce virtually contingus buffers for sockets over RDMA,
to cope better with memory pressure.
- Extend CAN ethtool support with timestamping capabilities
- Refactor CAN build infrastructure to allow building only the needed
features.
Driver API
----------
- Remove devlink mutex to allow parallel commands on multiple links.
- Add support for pause stats in distributed switch.
- Implement devlink helpers to query and flash line cards.
- New helper for phy mode to register conversion.
New hardware / drivers
----------------------
- Ethernet DSA driver for the rockchip mt7531 on BPI-R2 Pro.
- Ethernet DSA driver for the Renesas RZ/N1 A5PSW switch.
- Ethernet DSA driver for the Microchip LAN937x switch.
- Ethernet PHY driver for the Aquantia AQR113C EPHY.
- CAN driver for the OBD-II ELM327 interface.
- CAN driver for RZ/N1 SJA1000 CAN controller.
- Bluetooth: Infineon CYW55572 Wi-Fi plus Bluetooth combo device.
Drivers
-------
- Intel Ethernet NICs:
- i40e: add support for vlan pruning
- i40e: add support for XDP framented packets
- ice: improved vlan offload support
- ice: add support for PPPoE offload
- Mellanox Ethernet (mlx5)
- refactor packet steering offload for performance and scalability
- extend support for TC offload
- refactor devlink code to clean-up the locking schema
- support stacked vlans for bridge offloads
- use TLS objects pool to improve connection rate
- Netronome Ethernet NICs (nfp):
- extend support for IPv6 fields mangling offload
- add support for vepa mode in HW bridge
- better support for virtio data path acceleration (VDPA)
- enable TSO by default
- Microsoft vNIC driver (mana)
- add support for XDP redirect
- Others Ethernet drivers:
- bonding: add per-port priority support
- microchip lan743x: extend phy support
- Fungible funeth: support UDP segmentation offload and XDP xmit
- Solarflare EF100: add support for virtual function representors
- MediaTek SoC: add XDP support
- Mellanox Ethernet/IB switch (mlxsw):
- dropped support for unreleased H/W (XM router).
- improved stats accuracy
- unified bridge model coversion improving scalability
(parts 1-6)
- support for PTP in Spectrum-2 asics
- Broadcom PHYs
- add PTP support for BCM54210E
- add support for the BCM53128 internal PHY
- Marvell Ethernet switches (prestera):
- implement support for multicast forwarding offload
- Embedded Ethernet switches:
- refactor OcteonTx MAC filter for better scalability
- improve TC H/W offload for the Felix driver
- refactor the Microchip ksz8 and ksz9477 drivers to share
the probe code (parts 1, 2), add support for phylink
mac configuration
- Other WiFi:
- Microchip wilc1000: diable WEP support and enable WPA3
- Atheros ath10k: encapsulation offload support
Old code removal:
- Neterion vxge ethernet driver: this is untouched since more than
10 years.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking changes from Paolo Abeni:
"Core:
- Refactor the forward memory allocation to better cope with memory
pressure with many open sockets, moving from a per socket cache to
a per-CPU one
- Replace rwlocks with RCU for better fairness in ping, raw sockets
and IP multicast router.
- Network-side support for IO uring zero-copy send.
- A few skb drop reason improvements, including codegen the source
file with string mapping instead of using macro magic.
- Rename reference tracking helpers to a more consistent netdev_*
schema.
- Adapt u64_stats_t type to address load/store tearing issues.
- Refine debug helper usage to reduce the log noise caused by bots.
BPF:
- Improve socket map performance, avoiding skb cloning on read
operation.
- Add support for 64 bits enum, to match types exposed by kernel.
- Introduce support for sleepable uprobes program.
- Introduce support for enum textual representation in libbpf.
- New helpers to implement synproxy with eBPF/XDP.
- Improve loop performances, inlining indirect calls when possible.
- Removed all the deprecated libbpf APIs.
- Implement new eBPF-based LSM flavor.
- Add type match support, which allow accurate queries to the eBPF
used types.
- A few TCP congetsion control framework usability improvements.
- Add new infrastructure to manipulate CT entries via eBPF programs.
- Allow for livepatch (KLP) and BPF trampolines to attach to the same
kernel function.
Protocols:
- Introduce per network namespace lookup tables for unix sockets,
increasing scalability and reducing contention.
- Preparation work for Wi-Fi 7 Multi-Link Operation (MLO) support.
- Add support to forciby close TIME_WAIT TCP sockets via user-space
tools.
- Significant performance improvement for the TLS 1.3 receive path,
both for zero-copy and not-zero-copy.
- Support for changing the initial MTPCP subflow priority/backup
status
- Introduce virtually contingus buffers for sockets over RDMA, to
cope better with memory pressure.
- Extend CAN ethtool support with timestamping capabilities
- Refactor CAN build infrastructure to allow building only the needed
features.
Driver API:
- Remove devlink mutex to allow parallel commands on multiple links.
- Add support for pause stats in distributed switch.
- Implement devlink helpers to query and flash line cards.
- New helper for phy mode to register conversion.
New hardware / drivers:
- Ethernet DSA driver for the rockchip mt7531 on BPI-R2 Pro.
- Ethernet DSA driver for the Renesas RZ/N1 A5PSW switch.
- Ethernet DSA driver for the Microchip LAN937x switch.
- Ethernet PHY driver for the Aquantia AQR113C EPHY.
- CAN driver for the OBD-II ELM327 interface.
- CAN driver for RZ/N1 SJA1000 CAN controller.
- Bluetooth: Infineon CYW55572 Wi-Fi plus Bluetooth combo device.
Drivers:
- Intel Ethernet NICs:
- i40e: add support for vlan pruning
- i40e: add support for XDP framented packets
- ice: improved vlan offload support
- ice: add support for PPPoE offload
- Mellanox Ethernet (mlx5)
- refactor packet steering offload for performance and scalability
- extend support for TC offload
- refactor devlink code to clean-up the locking schema
- support stacked vlans for bridge offloads
- use TLS objects pool to improve connection rate
- Netronome Ethernet NICs (nfp):
- extend support for IPv6 fields mangling offload
- add support for vepa mode in HW bridge
- better support for virtio data path acceleration (VDPA)
- enable TSO by default
- Microsoft vNIC driver (mana)
- add support for XDP redirect
- Others Ethernet drivers:
- bonding: add per-port priority support
- microchip lan743x: extend phy support
- Fungible funeth: support UDP segmentation offload and XDP xmit
- Solarflare EF100: add support for virtual function representors
- MediaTek SoC: add XDP support
- Mellanox Ethernet/IB switch (mlxsw):
- dropped support for unreleased H/W (XM router).
- improved stats accuracy
- unified bridge model coversion improving scalability (parts 1-6)
- support for PTP in Spectrum-2 asics
- Broadcom PHYs
- add PTP support for BCM54210E
- add support for the BCM53128 internal PHY
- Marvell Ethernet switches (prestera):
- implement support for multicast forwarding offload
- Embedded Ethernet switches:
- refactor OcteonTx MAC filter for better scalability
- improve TC H/W offload for the Felix driver
- refactor the Microchip ksz8 and ksz9477 drivers to share the
probe code (parts 1, 2), add support for phylink mac
configuration
- Other WiFi:
- Microchip wilc1000: diable WEP support and enable WPA3
- Atheros ath10k: encapsulation offload support
Old code removal:
- Neterion vxge ethernet driver: this is untouched since more than 10 years"
* tag 'net-next-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1890 commits)
doc: sfp-phylink: Fix a broken reference
wireguard: selftests: support UML
wireguard: allowedips: don't corrupt stack when detecting overflow
wireguard: selftests: update config fragments
wireguard: ratelimiter: use hrtimer in selftest
net/mlx5e: xsk: Discard unaligned XSK frames on striding RQ
net: usb: ax88179_178a: Bind only to vendor-specific interface
selftests: net: fix IOAM test skip return code
net: usb: make USB_RTL8153_ECM non user configurable
net: marvell: prestera: remove reduntant code
octeontx2-pf: Reduce minimum mtu size to 60
net: devlink: Fix missing mutex_unlock() call
net/tls: Remove redundant workqueue flush before destroy
net: txgbe: Fix an error handling path in txgbe_probe()
net: dsa: Fix spelling mistakes and cleanup code
Documentation: devlink: add add devlink-selftests to the table of contents
dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock
net: ionic: fix error check for vlan flags in ionic_set_nic_features()
net: ice: fix error NETIF_F_HW_VLAN_CTAG_FILTER check in ice_vsi_sync_fltr()
nfp: flower: add support for tunnel offload without key ID
...
Remove the obsolete 'efivars' sysfs based interface to the EFI variable
store, now that all users have moved to the efivarfs pseudo file system,
which was created ~10 years ago to address some fundamental shortcomings
in the sysfs based driver.
Move the 'business logic' related to which EFI variables are important
and may affect the boot flow from the efivars support layer into the
efivarfs pseudo file system, so it is no longer exposed to other parts
of the kernel.
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Merge tag 'efi-efivars-removal-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull efivars sysfs interface removal from Ard Biesheuvel:
"Remove the obsolete 'efivars' sysfs based interface to the EFI
variable store, now that all users have moved to the efivarfs pseudo
file system, which was created ~10 years ago to address some
fundamental shortcomings in the sysfs based driver.
Move the 'business logic' related to which EFI variables are important
and may affect the boot flow from the efivars support layer into the
efivarfs pseudo file system, so it is no longer exposed to other parts
of the kernel"
* tag 'efi-efivars-removal-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: vars: Move efivar caching layer into efivarfs
efi: vars: Switch to new wrapper layer
efi: vars: Remove deprecated 'efivars' sysfs interface
magical no_llseek thing and makes checks consistent. In particular,
ad-hoc "can we do splice via internal pipe" checks got saner (and
somewhat more permissive, which is what Jason had been after, AFAICT)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-work.lseek' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs lseek updates from Al Viro:
"Jason's lseek series.
Saner handling of 'lseek should fail with ESPIPE' - this gets rid of
the magical no_llseek thing and makes checks consistent.
In particular, the ad-hoc "can we do splice via internal pipe" checks
got saner (and somewhat more permissive, which is what Jason had been
after, AFAICT)"
* tag 'pull-work.lseek' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: remove no_llseek
fs: check FMODE_LSEEK to control internal pipe splicing
vfio: do not set FMODE_LSEEK flag
dma-buf: remove useless FMODE_LSEEK flag
fs: do not compare against ->llseek
fs: clear or set FMODE_LSEEK based on llseek function
- Fix an accounting bug that made NR_FILE_DIRTY grow without limit
when running xfstests
- Convert more of mpage to use folios
- Remove add_to_page_cache() and add_to_page_cache_locked()
- Convert find_get_pages_range() to filemap_get_folios()
- Improvements to the read_cache_page() family of functions
- Remove a few unnecessary checks of PageError
- Some straightforward filesystem conversions to use folios
- Split PageMovable users out from address_space_operations into their
own movable_operations
- Convert aops->migratepage to aops->migrate_folio
- Remove nobh support (Christoph Hellwig)
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Merge tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache
Pull folio updates from Matthew Wilcox:
- Fix an accounting bug that made NR_FILE_DIRTY grow without limit
when running xfstests
- Convert more of mpage to use folios
- Remove add_to_page_cache() and add_to_page_cache_locked()
- Convert find_get_pages_range() to filemap_get_folios()
- Improvements to the read_cache_page() family of functions
- Remove a few unnecessary checks of PageError
- Some straightforward filesystem conversions to use folios
- Split PageMovable users out from address_space_operations into
their own movable_operations
- Convert aops->migratepage to aops->migrate_folio
- Remove nobh support (Christoph Hellwig)
* tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache: (78 commits)
fs: remove the NULL get_block case in mpage_writepages
fs: don't call ->writepage from __mpage_writepage
fs: remove the nobh helpers
jfs: stop using the nobh helper
ext2: remove nobh support
ntfs3: refactor ntfs_writepages
mm/folio-compat: Remove migration compatibility functions
fs: Remove aops->migratepage()
secretmem: Convert to migrate_folio
hugetlb: Convert to migrate_folio
aio: Convert to migrate_folio
f2fs: Convert to filemap_migrate_folio()
ubifs: Convert to filemap_migrate_folio()
btrfs: Convert btrfs_migratepage to migrate_folio
mm/migrate: Add filemap_migrate_folio()
mm/migrate: Convert migrate_page() to migrate_folio()
nfs: Convert to migrate_folio
btrfs: Convert btree_migratepage to migrate_folio
mm/migrate: Convert expected_page_refs() to folio_expected_refs()
mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
...
- Add appropriate might_alloc() annotations to the XArray APIs
- Document that the IDR is deprecated
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Merge tag 'xarray-6.0' of git://git.infradead.org/users/willy/xarray
Pull XArray/IDR updates from Matthew Wilcox:
- Add appropriate might_alloc() annotations to the XArray APIs
- Document that the IDR is deprecated
* tag 'xarray-6.0' of git://git.infradead.org/users/willy/xarray:
IDR: Note that the IDR API is deprecated
XArray: Add calls to might_alloc()
* threadgroup_rwsem write locking is skipped when configuring controllers in
empty subtrees. Combined with CLONE_INTO_CGROUP, this allows the common
static usage pattern to not grab threadgroup_rwsem at all (glibc still
doesn't seem ready for CLONE_INTO_CGROUP unfortunately).
* threadgroup_rwsem used to be put into non-percpu mode by default due to
latency concerns in specific use cases. There's no reason for everyone
else to pay for it. Make the behavior optional.
* psi no longer allocates memory when disabled.
along with some code cleanups.
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Merge tag 'cgroup-for-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
"Several core optimizations:
- threadgroup_rwsem write locking is skipped when configuring
controllers in empty subtrees.
Combined with CLONE_INTO_CGROUP, this allows the common static
usage pattern to not grab threadgroup_rwsem at all (glibc still
doesn't seem ready for CLONE_INTO_CGROUP unfortunately).
- threadgroup_rwsem used to be put into non-percpu mode by default
due to latency concerns in specific use cases. There's no reason
for everyone else to pay for it. Make the behavior optional.
- psi no longer allocates memory when disabled.
... along with some code cleanups"
* tag 'cgroup-for-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: Skip subtree root in cgroup_update_dfl_csses()
cgroup: remove "no" prefixed mount options
cgroup: Make !percpu threadgroup_rwsem operations optional
cgroup: Add "no" prefixed mount options
cgroup: Elide write-locking threadgroup_rwsem when updating csses on an empty subtree
cgroup.c: remove redundant check for mixable cgroup in cgroup_migrate_vet_dst
cgroup.c: add helper __cset_cgroup_from_root to cleanup duplicated codes
psi: dont alloc memory for psi by default
This KUnit update for Linux 5.20-rc1 consists of several fixes and an
important feature to discourage running KUnit tests on production
systems. Running tests on a production system could leave the system
in a bad state. This new feature adds:
- adds a new taint type, TAINT_TEST to signal that a test has been run.
This should discourage people from running these tests on production
systems, and to make it easier to tell if tests have been run
accidentally (by loading the wrong configuration, etc.)
- several documentation and tool enhancements and fixes.
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Merge tag 'linux-kselftest-kunit-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
"This consists of several fixes and an important feature to discourage
running KUnit tests on production systems. Running tests on a
production system could leave the system in a bad state.
Summary:
- Add a new taint type, TAINT_TEST to signal that a test has been
run.
This should discourage people from running these tests on
production systems, and to make it easier to tell if tests have
been run accidentally (by loading the wrong configuration, etc)
- Several documentation and tool enhancements and fixes"
* tag 'linux-kselftest-kunit-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
Documentation: KUnit: Fix example with compilation error
Documentation: kunit: Add CLI args for kunit_tool
kcsan: test: Add a .kunitconfig to run KCSAN tests
kunit: executor: Fix a memory leak on failure in kunit_filter_tests
clk: explicitly disable CONFIG_UML_PCI_OVER_VIRTIO in .kunitconfig
mmc: sdhci-of-aspeed: test: Use kunit_test_suite() macro
nitro_enclaves: test: Use kunit_test_suite() macro
thunderbolt: test: Use kunit_test_suite() macro
kunit: flatten kunit_suite*** to kunit_suite** in .kunit_test_suites
kunit: unify module and builtin suite definitions
selftest: Taint kernel when test module loaded
module: panic: Taint the kernel when selftest modules load
Documentation: kunit: fix example run_kunit func to allow spaces in args
Documentation: kunit: Cleanup run_wrapper, fix x-ref
kunit: test.h: fix a kernel-doc markup
kunit: tool: Enable virtio/PCI by default on UML
kunit: tool: make --kunitconfig repeatable, blindly concat
kunit: add coverage_uml.config to enable GCOV on UML
kunit: tool: refactor internal kconfig handling, allow overriding
kunit: tool: introduce --qemu_args
...
earth-shaking:
- More Chinese translations, and an update to the Italian translations.
The Japanese, Korean, and traditional Chinese translations are
more-or-less unmaintained at this point, instead.
- Some build-system performance improvements.
- The removal of the archaic submitting-drivers.rst document, with the
movement of what useful material that remained into other docs.
- Improvements to sphinx-pre-install to, hopefully, give more useful
suggestions.
- A number of build-warning fixes
Plus the usual collection of typo fixes, updates, and more.
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Merge tag 'docs-6.0' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This was a moderately busy cycle for documentation, but nothing
all that earth-shaking:
- More Chinese translations, and an update to the Italian
translations.
The Japanese, Korean, and traditional Chinese translations
are more-or-less unmaintained at this point, instead.
- Some build-system performance improvements.
- The removal of the archaic submitting-drivers.rst document,
with the movement of what useful material that remained into
other docs.
- Improvements to sphinx-pre-install to, hopefully, give more
useful suggestions.
- A number of build-warning fixes
Plus the usual collection of typo fixes, updates, and more"
* tag 'docs-6.0' of git://git.lwn.net/linux: (92 commits)
docs: efi-stub: Fix paths for x86 / arm stubs
Docs/zh_CN: Update the translation of sched-stats to 5.19-rc8
Docs/zh_CN: Update the translation of pci to 5.19-rc8
Docs/zh_CN: Update the translation of pci-iov-howto to 5.19-rc8
Docs/zh_CN: Update the translation of usage to 5.19-rc8
Docs/zh_CN: Update the translation of testing-overview to 5.19-rc8
Docs/zh_CN: Update the translation of sparse to 5.19-rc8
Docs/zh_CN: Update the translation of kasan to 5.19-rc8
Docs/zh_CN: Update the translation of iio_configfs to 5.19-rc8
doc:it_IT: align Italian documentation
docs: Remove spurious tag from admin-guide/mm/overcommit-accounting.rst
Documentation: process: Update email client instructions for Thunderbird
docs: ABI: correct QEMU fw_cfg spec path
doc/zh_CN: remove submitting-driver reference from docs
docs: zh_TW: align to submitting-drivers removal
docs: zh_CN: align to submitting-drivers removal
docs: ko_KR: howto: remove reference to removed submitting-drivers
docs: ja_JP: howto: remove reference to removed submitting-drivers
docs: it_IT: align to submitting-drivers removal
docs: process: remove outdated submitting-drivers.rst
...
This pull request contains the following branches:
doc.2022.06.21a: Documentation updates.
fixes.2022.07.19a: Miscellaneous fixes.
nocb.2022.07.19a: Callback-offload updates, perhaps most notably a new
RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to
be offloaded at boot time, regardless of kernel boot parameters.
This is useful to battery-powered systems such as ChromeOS
and Android. In addition, a new RCU_NOCB_CPU_CB_BOOST kernel
boot parameter prevents offloaded callbacks from interfering
with real-time workloads and with energy-efficiency mechanisms.
poll.2022.07.21a: Polled grace-period updates, perhaps most notably
making these APIs account for both normal and expedited grace
periods.
rcu-tasks.2022.06.21a: Tasks RCU updates, perhaps most notably reducing
the CPU overhead of RCU tasks trace grace periods by more than
a factor of two on a system with 15,000 tasks. The reduction
is expected to increase with the number of tasks, so it seems
reasonable to hypothesize that a system with 150,000 tasks might
see a 20-fold reduction in CPU overhead.
torture.2022.06.21a: Torture-test updates.
ctxt.2022.07.05a: Updates that merge RCU's dyntick-idle tracking into
context tracking, thus reducing the overhead of transitioning to
kernel mode from either idle or nohz_full userspace execution
for kernels that track context independently of RCU. This is
expected to be helpful primarily for kernels built with
CONFIG_NO_HZ_FULL=y.
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Merge tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
- Documentation updates
- Miscellaneous fixes
- Callback-offload updates, perhaps most notably a new
RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to be
offloaded at boot time, regardless of kernel boot parameters.
This is useful to battery-powered systems such as ChromeOS and
Android. In addition, a new RCU_NOCB_CPU_CB_BOOST kernel boot
parameter prevents offloaded callbacks from interfering with
real-time workloads and with energy-efficiency mechanisms
- Polled grace-period updates, perhaps most notably making these APIs
account for both normal and expedited grace periods
- Tasks RCU updates, perhaps most notably reducing the CPU overhead of
RCU tasks trace grace periods by more than a factor of two on a
system with 15,000 tasks.
The reduction is expected to increase with the number of tasks, so it
seems reasonable to hypothesize that a system with 150,000 tasks
might see a 20-fold reduction in CPU overhead
- Torture-test updates
- Updates that merge RCU's dyntick-idle tracking into context tracking,
thus reducing the overhead of transitioning to kernel mode from
either idle or nohz_full userspace execution for kernels that track
context independently of RCU.
This is expected to be helpful primarily for kernels built with
CONFIG_NO_HZ_FULL=y
* tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (98 commits)
rcu: Add irqs-disabled indicator to expedited RCU CPU stall warnings
rcu: Diagnose extended sync_rcu_do_polled_gp() loops
rcu: Put panic_on_rcu_stall() after expedited RCU CPU stall warnings
rcutorture: Test polled expedited grace-period primitives
rcu: Add polled expedited grace-period primitives
rcutorture: Verify that polled GP API sees synchronous grace periods
rcu: Make Tiny RCU grace periods visible to polled APIs
rcu: Make polled grace-period API account for expedited grace periods
rcu: Switch polled grace-period APIs to ->gp_seq_polled
rcu/nocb: Avoid polling when my_rdp->nocb_head_rdp list is empty
rcu/nocb: Add option to opt rcuo kthreads out of RT priority
rcu: Add nocb_cb_kthread check to rcu_is_callbacks_kthread()
rcu/nocb: Add an option to offload all CPUs on boot
rcu/nocb: Fix NOCB kthreads spawn failure with rcu_nocb_rdp_deoffload() direct call
rcu/nocb: Invert rcu_state.barrier_mutex VS hotplug lock locking order
rcu/nocb: Add/del rdp to iterate from rcuog itself
rcu/tree: Add comment to describe GP-done condition in fqs loop
rcu: Initialize first_gp_fqs at declaration in rcu_gp_fqs()
rcu/kvfree: Remove useless monitor_todo flag
rcu: Cleanup RCU urgency state for offline CPU
...
API:
- Make proc files report fips module name and version.
Algorithms:
- Move generic SHA1 code into lib/crypto.
- Implement Chinese Remainder Theorem for RSA.
- Remove blake2s.
- Add XCTR with x86/arm64 acceleration.
- Add POLYVAL with x86/arm64 acceleration.
- Add HCTR2.
- Add ARIA.
Drivers:
- Add support for new CCP/PSP device ID in ccp.
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Merge tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Make proc files report fips module name and version
Algorithms:
- Move generic SHA1 code into lib/crypto
- Implement Chinese Remainder Theorem for RSA
- Remove blake2s
- Add XCTR with x86/arm64 acceleration
- Add POLYVAL with x86/arm64 acceleration
- Add HCTR2
- Add ARIA
Drivers:
- Add support for new CCP/PSP device ID in ccp"
* tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (89 commits)
crypto: tcrypt - Remove the static variable initialisations to NULL
crypto: arm64/poly1305 - fix a read out-of-bound
crypto: hisilicon/zip - Use the bitmap API to allocate bitmaps
crypto: hisilicon/sec - fix auth key size error
crypto: ccree - Remove a useless dma_supported() call
crypto: ccp - Add support for new CCP/PSP device ID
crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of
crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq
crypto: testmgr - some more fixes to RSA test vectors
cyrpto: powerpc/aes - delete the rebundant word "block" in comments
hwrng: via - Fix comment typo
crypto: twofish - Fix comment typo
crypto: rmd160 - fix Kconfig "its" grammar
crypto: keembay-ocs-ecc - Drop if with an always false condition
Documentation: qat: rewrite description
Documentation: qat: Use code block for qat sysfs example
crypto: lib - add module license to libsha1
crypto: lib - make the sha1 library optional
crypto: lib - move lib/sha1.c into lib/crypto/
crypto: fips - make proc files report fips module name and version
...
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Merge tag 'random-6.0-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator updates from Jason Donenfeld:
"Though there's been a decent amount of RNG-related development during
this last cycle, not all of it is coming through this tree, as this
cycle saw a shift toward tackling early boot time seeding issues,
which took place in other trees as well.
Here's a summary of the various patches:
- The CONFIG_ARCH_RANDOM .config option and the "nordrand" boot
option have been removed, as they overlapped with the more widely
supported and more sensible options, CONFIG_RANDOM_TRUST_CPU and
"random.trust_cpu". This change allowed simplifying a bit of arch
code.
- x86's RDRAND boot time test has been made a bit more robust, with
RDRAND disabled if it's clearly producing bogus results. This would
be a tip.git commit, technically, but I took it through random.git
to avoid a large merge conflict.
- The RNG has long since mixed in a timestamp very early in boot, on
the premise that a computer that does the same things, but does so
starting at different points in wall time, could be made to still
produce a different RNG state. Unfortunately, the clock isn't set
early in boot on all systems, so now we mix in that timestamp when
the time is actually set.
- User Mode Linux now uses the host OS's getrandom() syscall to
generate a bootloader RNG seed and later on treats getrandom() as
the platform's RDRAND-like faculty.
- The arch_get_random_{seed_,}_long() family of functions is now
arch_get_random_{seed_,}_longs(), which enables certain platforms,
such as s390, to exploit considerable performance advantages from
requesting multiple CPU random numbers at once, while at the same
time compiling down to the same code as before on platforms like
x86.
- A small cleanup changing a cmpxchg() into a try_cmpxchg(), from
Uros.
- A comment spelling fix"
More info about other random number changes that come in through various
architecture trees in the full commentary in the pull request:
https://lore.kernel.org/all/20220731232428.2219258-1-Jason@zx2c4.com/
* tag 'random-6.0-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: correct spelling of "overwrites"
random: handle archrandom with multiple longs
um: seed rng using host OS rng
random: use try_cmpxchg in _credit_init_bits
timekeeping: contribute wall clock to rng on time change
x86/rdrand: Remove "nordrand" flag in favor of "random.trust_cpu"
random: remove CONFIG_ARCH_RANDOM
Just a small documentation update to mention the btrfs support.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity update from Eric Biggers:
"Just a small documentation update to mention the btrfs support"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: mention btrfs support
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Merge tag 'selinux-pr-20220801' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"A relatively small set of patches for SELinux this time, eight patches
in total with really only one significant change.
The highlights are:
- Add support for proper labeling of memfd_secret anonymous inodes.
This will allow LSMs that implement the anonymous inode hooks to
apply security policy to memfd_secret() fds.
- Various small improvements to memory management: fixed leaks, freed
memory when needed, boundary checks.
- Hardened the selinux_audit_data struct with __randomize_layout.
- A minor documentation tweak to fix a formatting/style issue"
* tag 'selinux-pr-20220801' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: selinux_add_opt() callers free memory
selinux: Add boundary check in put_entry()
selinux: fix memleak in security_read_state_kernel()
docs: selinux: add '=' signs to kernel boot options
mm: create security context for memfd_secret inodes
selinux: fix typos in comments
selinux: drop unnecessary NULL check
selinux: add __randomize_layout to selinux_audit_data
being split acorss files.
- Improve DM core's BLK_STS_DM_REQUEUE and BLK_STS_AGAIN handling.
- Optimize DM core's more common bio splitting by eliminating the use
of bio cloning with bio_split+bio_chain. Shift that cloning cost to
the relatively unlikely dm_io requeue case that only occurs during
error handling. Introduces dm_io_rewind() that will clone a bio that
reflects the subset of the original bio that must be requeued.
- Remove DM core's dm_table_get_num_targets() wrapper and audit all
dm_table_get_target() callers.
- Fix potential for OOM with DM writecache target by setting a default
MAX_WRITEBACK_JOBS (set to 256MiB or 1/16 of total system memory,
whichever is smaller).
- Fix DM writecache target's stats that are reported through
DM-specific table info.
- Fix use-after-free crash in dm_sm_register_threshold_callback().
- Refine DM core's Persistent Reservation handling in preparation for
broader work Mike Christie is doing to add compatibility with
Microsoft Windows Failover Cluster.
- Fix various KASAN reported bugs in the DM raid target.
- Fix DM raid target crash due to md_handle_request() bio splitting
that recurses to block core without properly initializing the bio's
bi_dev.
- Fix some code comment typos and fix some Documentation formatting.
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Merge tag 'for-6.0/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Refactor DM core's mempool allocation so that it clearer by not being
split acorss files.
- Improve DM core's BLK_STS_DM_REQUEUE and BLK_STS_AGAIN handling.
- Optimize DM core's more common bio splitting by eliminating the use
of bio cloning with bio_split+bio_chain. Shift that cloning cost to
the relatively unlikely dm_io requeue case that only occurs during
error handling. Introduces dm_io_rewind() that will clone a bio that
reflects the subset of the original bio that must be requeued.
- Remove DM core's dm_table_get_num_targets() wrapper and audit all
dm_table_get_target() callers.
- Fix potential for OOM with DM writecache target by setting a default
MAX_WRITEBACK_JOBS (set to 256MiB or 1/16 of total system memory,
whichever is smaller).
- Fix DM writecache target's stats that are reported through
DM-specific table info.
- Fix use-after-free crash in dm_sm_register_threshold_callback().
- Refine DM core's Persistent Reservation handling in preparation for
broader work Mike Christie is doing to add compatibility with
Microsoft Windows Failover Cluster.
- Fix various KASAN reported bugs in the DM raid target.
- Fix DM raid target crash due to md_handle_request() bio splitting
that recurses to block core without properly initializing the bio's
bi_dev.
- Fix some code comment typos and fix some Documentation formatting.
* tag 'for-6.0/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
dm: fix dm-raid crash if md_handle_request() splits bio
dm raid: fix address sanitizer warning in raid_resume
dm raid: fix address sanitizer warning in raid_status
dm: Start pr_preempt from the same starting path
dm: Fix PR release handling for non All Registrants
dm: Start pr_reserve from the same starting path
dm: Allow dm_call_pr to be used for path searches
dm: return early from dm_pr_call() if DM device is suspended
dm thin: fix use-after-free crash in dm_sm_register_threshold_callback
dm writecache: count number of blocks discarded, not number of discard bios
dm writecache: count number of blocks written, not number of write bios
dm writecache: count number of blocks read, not number of read bios
dm writecache: return void from functions
dm kcopyd: use __GFP_HIGHMEM when allocating pages
dm writecache: set a default MAX_WRITEBACK_JOBS
Documentation: dm writecache: Render status list as list
Documentation: dm writecache: add blank line before optional parameters
dm snapshot: fix typo in snapshot_map() comment
dm raid: remove redundant "the" in parse_raid_params() comment
dm cache: fix typo in 2 comment blocks
...
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Merge tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
- Improve the type checking of request flags (Bart)
- Ensure queue mapping for a single queues always picks the right queue
(Bart)
- Sanitize the io priority handling (Jan)
- rq-qos race fix (Jinke)
- Reserved tags handling improvements (John)
- Separate memory alignment from file/disk offset aligment for O_DIRECT
(Keith)
- Add new ublk driver, userspace block driver using io_uring for
communication with the userspace backend (Ming)
- Use try_cmpxchg() to cleanup the code in various spots (Uros)
- Finally remove bdevname() (Christoph)
- Clean up the zoned device handling (Christoph)
- Clean up independent access range support (Christoph)
- Clean up and improve block sysfs handling (Christoph)
- Clean up and improve teardown of block devices.
This turns the usual two step process into something that is simpler
to implement and handle in block drivers (Christoph)
- Clean up chunk size handling (Christoph)
- Misc cleanups and fixes (Bart, Bo, Dan, GuoYong, Jason, Keith, Liu,
Ming, Sebastian, Yang, Ying)
* tag 'for-5.20/block-2022-07-29' of git://git.kernel.dk/linux-block: (178 commits)
ublk_drv: fix double shift bug
ublk_drv: make sure that correct flags(features) returned to userspace
ublk_drv: fix error handling of ublk_add_dev
ublk_drv: fix lockdep warning
block: remove __blk_get_queue
block: call blk_mq_exit_queue from disk_release for never added disks
blk-mq: fix error handling in __blk_mq_alloc_disk
ublk: defer disk allocation
ublk: rewrite ublk_ctrl_get_queue_affinity to not rely on hctx->cpumask
ublk: fold __ublk_create_dev into ublk_ctrl_add_dev
ublk: cleanup ublk_ctrl_uring_cmd
ublk: simplify ublk_ch_open and ublk_ch_release
ublk: remove the empty open and release block device operations
ublk: remove UBLK_IO_F_PREFLUSH
ublk: add a MAINTAINERS entry
block: don't allow the same type rq_qos add more than once
mmc: fix disk/queue leak in case of adding disk failure
ublk_drv: fix an IS_ERR() vs NULL check
ublk: remove UBLK_IO_F_INTEGRITY
ublk_drv: remove unneeded semicolon
...
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to be
used by the different sensors when registering a thermal zone
(Daniel Lezcano).
- Make per cpufreq / devfreq cooling device ops instead of using a
global variable, fix comments and rework the trace information
(Lukasz Luba).
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn).
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
Sang).
- Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
Kozlowski).
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano).
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof).
- Fix array underflow in prep_lookup_table (Dan Carpenter).
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun).
- Fix typos in comments detected on sun8i by Coccinelle (Julia
Lawall).
- Fix typos in comments on rzg2l (Biju Das).
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li).
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov).
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer).
- Fix typo in the comments for the 'tmon' tool (Slark Xiao).
- Make the thermal core use ida_alloc()/free() directly instead of
ida_simple_get()/ida_simple_remove() that have been deprecated
(keliu).
- Drop ACPI_FADT_LOW_POWER_S0 check from the Intel PCH thermal control
driver (Rafael Wysocki).
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Merge tag 'thermal-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These start a rework of the handling of trip points in the thermal
core, improve the cpufreq/devfreq cooling device handling, update some
thermal control drivers and the tmon utility and clean up code.
Specifics:
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to
be used by the different sensors when registering a thermal zone
(Daniel Lezcano).
- Make per cpufreq / devfreq cooling device ops instead of using a
global variable, fix comments and rework the trace information
(Lukasz Luba).
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn).
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3
(Wolfram Sang).
- Convert the QCom tsens DT binding to the dtsformat format
(Krzysztof Kozlowski).
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano).
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof).
- Fix array underflow in prep_lookup_table (Dan Carpenter).
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun).
- Fix typos in comments detected on sun8i by Coccinelle (Julia
Lawall).
- Fix typos in comments on rzg2l (Biju Das).
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li).
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov).
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer).
- Fix typo in the comments for the 'tmon' tool (Slark Xiao).
- Make the thermal core use ida_alloc()/free() directly instead of
ida_simple_get()/ida_simple_remove() that have been deprecated
(keliu).
- Drop ACPI_FADT_LOW_POWER_S0 check from the Intel PCH thermal
control driver (Rafael Wysocki)"
* tag 'thermal-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
thermal/of: Initialize trip points separately
thermal/of: Use thermal trips stored in the thermal zone
thermal/core: Add thermal_trip in thermal_zone
thermal/core: Rename 'trips' to 'num_trips'
thermal/core: Move thermal_set_delay_jiffies to static
thermal/core: Remove unneeded EXPORT_SYMBOLS
thermal/of: Move thermal_trip structure to thermal.h
thermal/of: Remove the device node pointer for thermal_trip
thermal/of: Replace device node match with device node search
thermal/core: Remove duplicate information when an error occurs
thermal/core: Avoid calling ->get_trip_temp() unnecessarily
thermal/tools/tmon: Fix typo 'the the' in comment
thermal/tools/tmon: Include pthread and time headers in tmon.h
thermal/ti-soc-thermal: Fix comment typo
thermal/drivers/qcom/spmi-adc-tm5: Register thermal zones as hwmon sensors
thermal/drivers/qcom/temp-alarm: Register thermal zones as hwmon sensors
thermal/drivers/u8500: Remove unnecessary print function dev_err()
thermal/drivers/rzg2l: Fix comments
thermal/drivers/sun8i: Fix typo in comment
thermal/drivers/k3_j72xx_bandgap: Make k3_j72xx_bandgap_j721e_data and k3_j72xx_bandgap_j7200_data static
...
- Make cpufreq_show_cpus() more straightforward (Viresh Kumar).
- Drop unnecessary CPU hotplug locking from store() used by cpufreq
sysfs attributes (Viresh Kumar).
- Make the ACPI cpufreq driver support the boost control interface on
Zhaoxin/Centaur processors (Tony W Wang-oc).
- Print a warning message on attempts to free an active cpufreq policy
which should never happen (Viresh Kumar).
- Fix grammar in the Kconfig help text for the loongson2 cpufreq
driver (Randy Dunlap).
- Use cpumask_var_t for an on-stack CPU mask in the ondemand cpufreq
governor (Zhao Liu).
- Add trace points for guest_halt_poll_ns grow/shrink to the haltpoll
cpuidle driver (Eiichi Tsukata).
- Modify intel_idle to treat C1 and C1E as independent idle states on
Sapphire Rapids (Artem Bityutskiy).
- Extend support for wakeirq to callback wrappers used during system
suspend and resume (Ulf Hansson).
- Defer waiting for device probe before loading a hibernation image
till the first actual device access to avoid possible deadlocks
reported by syzbot (Tetsuo Handa).
- Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP (Bjorn
Helgaas).
- Add Raptor Lake-P to the list of processors supported by the Intel
RAPL driver (George D Sworo).
- Add Alder Lake-N and Raptor Lake-P to the list of processors for
which Power Limit4 is supported in the Intel RAPL driver (Sumeet
Pawnikar).
- Make pm_genpd_remove() check genpd_debugfs_dir against NULL before
attempting to remove it (Hsin-Yi Wang).
- Change the Energy Model code to represent power in micro-Watts and
adjust its users accordingly (Lukasz Luba).
- Add new devfreq driver for Mediatek CCI (Cache Coherent
Interconnect) (Johnson Wang).
- Convert the Samsung Exynos SoC Bus bindings to DT schema of
exynos-bus.c (Krzysztof Kozlowski).
- Address kernel-doc warnings by adding the description for unused
fucntion parameters in devfreq core (Mauro Carvalho Chehab).
- Use NULL to pass a null pointer rather than zero according to the
function propotype in imx-bus.c (Colin Ian King).
- Print error message instead of error interger value in
tegra30-devfreq.c (Dmitry Osipenko).
- Add checks to prevent setting negative frequency QoS limits for
CPUs (Shivnandan Kumar).
- Update the pm-graph suite of utilities to the latest revision 5.9
including multiple improvements (Todd Brandt).
- Drop pme_interrupt reference from the PCI power management
documentation (Mario Limonciello).
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Merge tag 'pm-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These are mostly minor improvements all over including new CPU IDs for
the Intel RAPL driver, an Energy Model rework to use micro-Watt as the
power unit, cpufreq fixes and cleanus, cpuidle updates, devfreq
updates, documentation cleanups and a new version of the pm-graph
suite of utilities.
Specifics:
- Make cpufreq_show_cpus() more straightforward (Viresh Kumar).
- Drop unnecessary CPU hotplug locking from store() used by cpufreq
sysfs attributes (Viresh Kumar).
- Make the ACPI cpufreq driver support the boost control interface on
Zhaoxin/Centaur processors (Tony W Wang-oc).
- Print a warning message on attempts to free an active cpufreq
policy which should never happen (Viresh Kumar).
- Fix grammar in the Kconfig help text for the loongson2 cpufreq
driver (Randy Dunlap).
- Use cpumask_var_t for an on-stack CPU mask in the ondemand cpufreq
governor (Zhao Liu).
- Add trace points for guest_halt_poll_ns grow/shrink to the haltpoll
cpuidle driver (Eiichi Tsukata).
- Modify intel_idle to treat C1 and C1E as independent idle states on
Sapphire Rapids (Artem Bityutskiy).
- Extend support for wakeirq to callback wrappers used during system
suspend and resume (Ulf Hansson).
- Defer waiting for device probe before loading a hibernation image
till the first actual device access to avoid possible deadlocks
reported by syzbot (Tetsuo Handa).
- Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP (Bjorn
Helgaas).
- Add Raptor Lake-P to the list of processors supported by the Intel
RAPL driver (George D Sworo).
- Add Alder Lake-N and Raptor Lake-P to the list of processors for
which Power Limit4 is supported in the Intel RAPL driver (Sumeet
Pawnikar).
- Make pm_genpd_remove() check genpd_debugfs_dir against NULL before
attempting to remove it (Hsin-Yi Wang).
- Change the Energy Model code to represent power in micro-Watts and
adjust its users accordingly (Lukasz Luba).
- Add new devfreq driver for Mediatek CCI (Cache Coherent
Interconnect) (Johnson Wang).
- Convert the Samsung Exynos SoC Bus bindings to DT schema of
exynos-bus.c (Krzysztof Kozlowski).
- Address kernel-doc warnings by adding the description for unused
function parameters in devfreq core (Mauro Carvalho Chehab).
- Use NULL to pass a null pointer rather than zero according to the
function propotype in imx-bus.c (Colin Ian King).
- Print error message instead of error interger value in
tegra30-devfreq.c (Dmitry Osipenko).
- Add checks to prevent setting negative frequency QoS limits for
CPUs (Shivnandan Kumar).
- Update the pm-graph suite of utilities to the latest revision 5.9
including multiple improvements (Todd Brandt).
- Drop pme_interrupt reference from the PCI power management
documentation (Mario Limonciello)"
* tag 'pm-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
powercap: RAPL: Add Power Limit4 support for Alder Lake-N and Raptor Lake-P
PM: QoS: Add check to make sure CPU freq is non-negative
PM: hibernate: defer device probing when resuming from hibernation
intel_idle: make SPR C1 and C1E be independent
cpufreq: ondemand: Use cpumask_var_t for on-stack cpu mask
cpufreq: loongson2: fix Kconfig "its" grammar
pm-graph v5.9
cpufreq: Warn users while freeing active policy
cpufreq: scmi: Support the power scale in micro-Watts in SCMI v3.1
firmware: arm_scmi: Get detailed power scale from perf
Documentation: EM: Switch to micro-Watts scale
PM: EM: convert power field to micro-Watts precision and align drivers
PM / devfreq: tegra30: Add error message for devm_devfreq_add_device()
PM / devfreq: imx-bus: use NULL to pass a null pointer rather than zero
PM / devfreq: shut up kernel-doc warnings
dt-bindings: interconnect: samsung,exynos-bus: convert to dtschema
PM / devfreq: mediatek: Introduce MediaTek CCI devfreq driver
dt-bindings: interconnect: Add MediaTek CCI dt-bindings
PM: domains: Ensure genpd_debugfs_dir exists before remove
PM: runtime: Extend support for wakeirq for force_suspend|resume
...
- Use facilities provided by the driver core and some additional
helpers to handle the children of a given ACPI device object in
multiple places instead of using the children and node list heads in
struct acpi_device which is error prone (Rafael Wysocki).
- Fix ACPI-related device reference counting issue in the hisi_lpc bus
driver (Yang Yingliang).
- Drop the children and node list heads that are not needed any more
from struct acpi_device (Rafael Wysocki).
- Drop driver member from struct acpi_device (Uwe Kleine-König).
- Drop redundant check from acpi_device_remove() (Uwe Kleine-König).
- Prepare the CPPC library for handling backwards-compatible future
_CPC return package formats gracefully (Rafael Wysocki).
- Clean up the ACPI EC driver after previous changes in it (Hans
de Goede).
- Drop leftover acpi_processor_get_limit_info() declaration (Riwen
Lu).
- Split out thermal initialization from ACPI PSS (Riwen Lu).
- Annotate more functions in the ACPI CPU idle driver to live in the
cpuidle section (Guilherme G. Piccoli).
- Fix _EINJ vs "special purpose" EFI memory regions (Dan Williams).
- Implement a better fix to avoid spamming the console with old error
logs (Tony Luck).
- Fix typo in a comment in the APEI code (Xiang wangx).
- Save NVS memory during transitions into S3 on Lenovo G40-45 (Manyi
Li).
- Add support for upcoming AMD uPEP device ID AMDI008 to the ACPI
suspend-to-idle driver for x86 platforms (Shyam Sundar S K).
- Clean up checks related to the ACPI_FADT_LOW_POWER_S0 platform flag
in the LPIT table driver and the suspend-to-idle driver for x86
platforms (Rafael Wysocki).
- Print information messages regarding declared LPS0 idle support in
the platform firmware (Rafael Wysocki).
- Fix missing check in register_device_clock() in the ACPI driver for
Intel SoCs (huhai).
- Fix ACS setup in the VIOT table parser (Eric Auger).
- Skip IRQ override on AMD Zen platforms where it's harmful (Chuanhong
Guo).
- Use native backlight on Dell Inspiron N4010 (Hans de Goede).
- Use native backlight on some TongFang devices (Werner Sembach).
- Drop X86 dependency from the ACPI backlight driver Kconfig (Riwen
Lu).
- Shorten the quirk list in the ACPI backlight driver by identifying
Clevo by board_name only (Werner Sembach).
- Remove useless NULL pointer checks from 2 ACPI PCI link management
functions (Andrey Strachuk).
- Fix obsolete example in the ACPI EINJ documentation (Qifu Zhang).
- Update links and references to _DSD-related documents (Sudeep
Holla).
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Merge tag 'acpi-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These rework the handling of ACPI device objects to use the driver
core facilities for managing child ones instead of some questionable
home-grown ways without the requisite locking and reference counting,
clean up the EC driver, improve suspend-to-idle handling on x86, add
some systems to the ACPI backlight quirk list, fix some assorted
issues, clean up code and improve documentation.
Specifics:
- Use facilities provided by the driver core and some additional
helpers to handle the children of a given ACPI device object in
multiple places instead of using the children and node list heads
in struct acpi_device which is error prone (Rafael Wysocki).
- Fix ACPI-related device reference counting issue in the hisi_lpc
bus driver (Yang Yingliang).
- Drop the children and node list heads that are not needed any more
from struct acpi_device (Rafael Wysocki).
- Drop driver member from struct acpi_device (Uwe Kleine-König).
- Drop redundant check from acpi_device_remove() (Uwe Kleine-König).
- Prepare the CPPC library for handling backwards-compatible future
_CPC return package formats gracefully (Rafael Wysocki).
- Clean up the ACPI EC driver after previous changes in it (Hans de
Goede).
- Drop leftover acpi_processor_get_limit_info() declaration (Riwen
Lu).
- Split out thermal initialization from ACPI PSS (Riwen Lu).
- Annotate more functions in the ACPI CPU idle driver to live in the
cpuidle section (Guilherme G. Piccoli).
- Fix _EINJ vs "special purpose" EFI memory regions (Dan Williams).
- Implement a better fix to avoid spamming the console with old error
logs (Tony Luck).
- Fix typo in a comment in the APEI code (Xiang wangx).
- Save NVS memory during transitions into S3 on Lenovo G40-45 (Manyi
Li).
- Add support for upcoming AMD uPEP device ID AMDI008 to the ACPI
suspend-to-idle driver for x86 platforms (Shyam Sundar S K).
- Clean up checks related to the ACPI_FADT_LOW_POWER_S0 platform flag
in the LPIT table driver and the suspend-to-idle driver for x86
platforms (Rafael Wysocki).
- Print information messages regarding declared LPS0 idle support in
the platform firmware (Rafael Wysocki).
- Fix missing check in register_device_clock() in the ACPI driver for
Intel SoCs (huhai).
- Fix ACS setup in the VIOT table parser (Eric Auger).
- Skip IRQ override on AMD Zen platforms where it's harmful
(Chuanhong Guo).
- Use native backlight on Dell Inspiron N4010 (Hans de Goede).
- Use native backlight on some TongFang devices (Werner Sembach).
- Drop X86 dependency from the ACPI backlight driver Kconfig (Riwen
Lu).
- Shorten the quirk list in the ACPI backlight driver by identifying
Clevo by board_name only (Werner Sembach).
- Remove useless NULL pointer checks from 2 ACPI PCI link management
functions (Andrey Strachuk).
- Fix obsolete example in the ACPI EINJ documentation (Qifu Zhang).
- Update links and references to _DSD-related documents (Sudeep
Holla)"
* tag 'acpi-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (46 commits)
ACPI/PCI: Remove useless NULL pointer checks
ACPI: CPPC: Do not prevent CPPC from working in the future
ACPI: PM: x86: Print messages regarding LPS0 idle support
ACPI: resource: skip IRQ override on AMD Zen platforms
Documentation: ACPI: EINJ: Fix obsolete example
ACPI: video: Use native backlight on Dell Inspiron N4010
ACPI: PM: s2idle: Use LPS0 idle if ACPI_FADT_LOW_POWER_S0 is unset
Revert "ACPI / PM: LPIT: Register sysfs attributes based on FADT"
ACPI: video: Shortening quirk list by identifying Clevo by board_name only
ACPI: video: Force backlight native for some TongFang devices
ACPI: PM: s2idle: Add support for upcoming AMD uPEP HID AMDI008
ACPI: VIOT: Fix ACS setup
ACPI: bus: Drop unused list heads from struct acpi_device
hisi_lpc: Use acpi_dev_for_each_child()
bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe()
ACPI: bus: Drop driver member of struct acpi_device
ACPI: bus: Drop redundant check in acpi_device_remove()
ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP
ACPI: LPSS: Fix missing check in register_device_clock()
ACPI: APEI: Better fix to avoid spamming the console with old error logs
...
- Substantial rewrite of lm90 driver to support several
additional chips and improve support for existing chips.
- Add support of ROG ZENITH II EXTREME, Maximus XI Hero,
Strix Z690-a D4 to asus-ec-sensors driver
- Add support of F71858AD to f71882fg driver
- Add support of Aquacomputer Quadro to aquacomputer_d5next
driver
- Improved assembler code and add support for Dell G5 5590
as well as XPS 13 7390 in dell-smm driver
- Add support for ASUS TUF GAMING B550-PLUS WIFI II to nct775 driver
- Add support for IEEE 754 half precision to PMBus core.
Also support for Analog Devices LT7182S, improve
regulator support, and report various MFR register
values in debugfs.
- Various other minor improvements and fixes
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Merge tag 'hwmon-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- Substantial rewrite of lm90 driver to support several additional
chips and improve support for existing chips.
- Add support of ROG ZENITH II EXTREME, Maximus XI Hero, and
Strix Z690-a D4 to asus-ec-sensors driver
- Add support of F71858AD to f71882fg driver
- Add support of Aquacomputer Quadro to aquacomputer_d5next driver
- Improved assembler code and add support for Dell G5 5590 as well as
XPS 13 7390 in dell-smm driver
- Add support for ASUS TUF GAMING B550-PLUS WIFI II to nct775 driver
- Add support for IEEE 754 half precision to PMBus core. Also support
for Analog Devices LT7182S, improve regulator support, and report
various MFR register values in debugfs.
- Various other minor improvements and fixes
* tag 'hwmon-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (85 commits)
hwmon: (aquacomputer_d5next) Add support for Aquacomputer Quadro fan controller
hwmon: (dell-smm) Improve documentation
hwmon: (nct6775) add ASUS TUF GAMING B550-PLUS WIFI II
hwmon: (occ) Replace open-coded variant of %*phN specifier
hwmon: (sht15) Fix wrong assumptions in device remove callback
hwmon: (aquacomputer_d5next) Add support for reading the +12V voltage sensor on D5 Next
hwmon: (tps23861) fix byte order in current and voltage registers
hwmon: (aspeed-pwm-tacho) increase fan tach period (again)
hwmon: (aquacomputer_d5next) Add D5 Next fan control support
hwmon: (mcp3021) improve driver support for newer hwmon interface
hwmon: (asus-ec-sensors) add definitions for ROG ZENITH II EXTREME
hwmon: (aquacomputer_d5next) Move device-specific data into struct aqc_data
hwmon: (asus-ec-sensors) add missing sensors for X570-I GAMING
hwmon: (drivetemp) Add module alias
hwmon: (asus_wmi_sensors) Save a few bytes of memory
hwmon: (lm90) Use worker for alarm notifications
hwmon: (asus-ec-sensors) add support for Maximus XI Hero
hwmon: (dell-smm) Improve assembly code
hwmon: (pmbus/ltc2978) Set voltage resolution
hwmon: (pmbus) Add list_voltage to pmbus ops
...
After v5.19 had all drivers converted to the new atomic API and nobody
has reported any breakage, this set of changes starts by dropping the
legacy support.
Some existing drivers get improvements and broader chip support and a
new driver is added that emulates a PWM controller using a clock output.
Other than that there's the usual bits of cleanups and minor fixes.
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Merge tag 'pwm/for-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"After v5.19 had all drivers converted to the new atomic API and nobody
has reported any breakage, this set of changes starts by dropping the
legacy support.
Some existing drivers get improvements and broader chip support and a
new driver is added that emulates a PWM controller using a clock
output.
Other than that there's the usual bits of cleanups and minor fixes"
* tag 'pwm/for-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (21 commits)
pwm: lpc18xx: Fix period handling
pwm: lpc18xx: Convert to use dev_err_probe()
pwm: twl-led: Document some limitations and link to the reference manual
MAINTAINERS: Remove myself as PWM maintainer
MAINTAINERS: Add include/dt-bindings/pwm to PWM SUBSYSTEM
dt-bindings: pwm: mediatek: Add compatible string for MT8195
pwm: Add clock based PWM output driver
dt-bindings: pwm: Document clk based PWM controller
pwm: sifive: Shut down hardware only after pwmchip_remove() completed
pwm: sifive: Ensure the clk is enabled exactly once per running PWM
pwm: sifive: Simplify clk handling
pwm: sifive: Enable clk only after period check in .apply()
pwm: sifive: Reduce time the controller lock is held
pwm: sifive: Fold pwm_sifive_enable() into its only caller
pwm: sifive: Simplify offset calculation for PWMCMP registers
pwm: mediatek: Add MT8365 support
dt-bindings: pwm: Add MT8365 SoC binding
pwm: Drop unused forward declaration from pwm.h
pwm: Reorder header file to get rid of struct pwm_capture forward declaration
pwm: atmel-tcb: Fix typo in comment
...
The big update this time around is some excellent work from David Jander
who went through the fast path and really eliminated overheads, meaning
that we are seeing a huge reduction in the time spent between transfers
for single threaded clients. Benchmarking has been coming out at about a
halving of overhead which is clearly visible in system level usage that
stresses SPI like some CAN and IIO applications, especially with small
transfers. Thanks to David for taking the time to drill down into this
and push the work upstream.
Otherwise there's been a bunch of new device support and the usual
- Optimisation of the fast path, particularly around the number and
types of locking operations, from David Jander.
- Support for Arbel NPCM845, HP GXP, Intel Meteor Lake and Thunder Bay,
MediaTek MT8188 and MT8365, Microchip FPGAs, nVidia Tegra 241 and
Samsung Exynos Auto v9 and 4210.
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Merge tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The big update this time around is some excellent work from David
Jander who went through the fast path and really eliminated overheads,
meaning that we are seeing a huge reduction in the time spent between
transfers for single threaded clients.
Benchmarking has been coming out at about a halving of overhead which
is clearly visible in system level usage that stresses SPI like some
CAN and IIO applications, especially with small transfers. Thanks to
David for taking the time to drill down into this and push the work
upstream.
Otherwise there's been a bunch of new device support and the usual
updates.
- Optimisation of the fast path, particularly around the number and
types of locking operations, from David Jander.
- Support for Arbel NPCM845, HP GXP, Intel Meteor Lake and Thunder
Bay, MediaTek MT8188 and MT8365, Microchip FPGAs, nVidia Tegra 241
and Samsung Exynos Auto v9 and 4210"
* tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (97 commits)
MAINTAINERS: add spi support to GXP
spi: dt-bindings: add documentation for hpe,gxp-spifi
spi: spi-gxp: Add support for HPE GXP SoCs
spi: a3700: support BE for AC5 SPI driver
spi/panel: dt-bindings: drop CPHA and CPOL from common properties
spi: bcm2835: enable shared interrupt support
spi: dt-bindings: spi-controller: correct example indentation
spi: dt-bindings: qcom,spi-geni-qcom: allow three interconnects
spi: npcm-fiu: Add NPCM8XX support
dt-binding: spi: Add npcm845 compatible to npcm-fiu document
spi: npcm-fiu: Modify direct read dummy configuration
spi: atmel: remove #ifdef CONFIG_{PM, SLEEP}
spi: dt-bindings: Add compatible for MediaTek MT8188
spi: dt-bindings: mediatek,spi-mtk-nor: Update bindings for nor flash
spi: dt-bindings: atmel,at91rm9200-spi: convert to json-schema
spi: tegra20-slink: fix UAF in tegra_slink_remove()
spi: Fix simplification of devm_spi_register_controller
spi: microchip-core: switch to use dev_err_probe()
spi: microchip-core: switch to use devm_spi_alloc_master()
spi: microchip-core: fix UAF in mchp_corespi_remove()
...
This has been a fairly quiet release for the regulator API, a few new
drivers and a small API update:
- Support for specifying an initial load as part of requesting
regulators through the bulk API.
- Support for Maxim MAX597x, Qualcomm PM8074, PM8909 and Realtek RT5120
devices.
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Merge tag 'regulator-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This has been a fairly quiet release for the regulator API, a few new
drivers and a small API update:
- Support for specifying an initial load as part of requesting
regulators through the bulk API
- Support for Maxim MAX597x, Qualcomm PM8074, PM8909 and Realtek
RT5120 devices"
* tag 'regulator-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (35 commits)
regulator: core: Allow drivers to define their init data as const
regulator: core: Allow specifying an initial load w/ the bulk API
regulator: mt6380: Fix unused array warning
regulator: Add missing type for 'regulator-microvolt-offset'
regulator: core: Fix off-on-delay-us for always-on/boot-on regulators
regulator: of: Fix refcount leak bug in of_get_regulation_constraints()
regulator: pwm: Update Lee Jones' email address
regulator: max597x: Don't return uninitialized variable in .probe
regulator: qcom,spmi-regulator: add PMP8074 PMIC
regulator: qcom,spmi-regulator: Convert to dtschema
regulator: qcom_spmi: add support for PMP8074 regulators
regulator: qcom_spmi: add support for HT_P600
regulator: qcom_spmi: add support for HT_P150
regulator: max597x: Remove unused including <linux/version.h>
regulator: Fix MFD_MAX597X dependency
regulator: Fix parameter declaration and spelling mistake.
regulator: max597x: Add support for max597x regulator
regulator: scmi: Add missing of_node_get()
regulator: qcom_smd: Add PM8909 RPM regulators
regulator: dt-bindings: qcom,smd-rpm: Add PM8909
...
The nobh mode is an obscure feature to save lowlevel for large memory
32-bit configurations while trading for much slower performance and
has been long obsolete. Remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Provide a folio-based replacement for aops->migratepage. Update the
documentation to document migrate_folio instead of migratepage.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
These drivers are rather uncomfortably hammered into the
address_space_operations hole. They aren't filesystems and don't behave
like filesystems. They just need their own movable_operations structure,
which we can point to directly from page->mapping.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This adds initial support for two SoC families that have been under
review for a while. In both cases, the origonal idea was to have a
minimally functional version, but we ended up leaving out the clk drivers
that are still under review and will be merged through the corresponding
subsystem tree.
The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
based on the 32-bit NPCM7xx family but is now getting added to
arch/arm64 as well.
Sunplus SP7021, also known as Plus1, is a general-purpose
System-in-Package design based on the 32-bit Cortex-A7 SoC
on the main chip, plus an I/O chip and memory in the same
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Merge tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM new SoC support from Arnd Bergmann:
"This adds initial support for two SoC families that have been under
review for a while. In both cases, the origonal idea was to have a
minimally functional version, but we ended up leaving out the clk
drivers that are still under review and will be merged through the
corresponding subsystem tree.
The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and
based on the 32-bit NPCM7xx family but is now getting added to
arch/arm64 as well.
Sunplus SP7021, also known as Plus1, is a general-purpose
System-in-Package design based on the 32-bit Cortex-A7 SoC on the main
chip, plus an I/O chip and memory in the same"
* tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
MAINTAINERS: rectify entry for ARM/NUVOTON NPCM ARCHITECTURE
arm64: defconfig: Add Nuvoton NPCM family support
arm64: dts: nuvoton: Add initial NPCM845 EVB device tree
arm64: dts: nuvoton: Add initial NPCM8XX device tree
arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC
dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string
dt-bindings: arm: npcm: Add nuvoton,npcm845 compatible string
dt-bindings: arm: npcm: Add maintainer
reset: npcm: Add NPCM8XX support
dt-bindings: reset: npcm: Add support for NPCM8XX
reset: npcm: using syscon instead of device data
ARM: dts: nuvoton: add reset syscon property
dt-bindings: reset: npcm: add GCR syscon property
dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock
dt-bindings: watchdog: npcm: Add npcm845 compatible string
dt-bindings: timer: npcm: Add npcm845 compatible string
ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree
ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig
ARM: sunplus: Add initial support for Sunplus SP7021 SoC
irqchip: Add Sunplus SP7021 interrupt controller driver
...
As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813.
Each SoC comes with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the
Ethos-U65 NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end
of Arm based Laptop SoCs, and its automotive cousin, the
SA8540P. The SC8280XP is used in the Lenovo Thinkpad X13s
laptop that also gets added here in addition to the reference
boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the
Orange Pi zero2 single-board computer and the X96 Mate
set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip
in the Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers,
DH electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems
TQMa8MPQL, and phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and
Stratix 10 Software Virtual platform, both in the SoCFPGA
platform.
- Two new wireless devices based on Broadcom SoCs:
The Asus GT-AX6000 Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm
SoC families brought added machines: Acer Chromebook 514 (MT8192),
Acer Chromebook Spin 513 (MT8195) and a couple of SC7180 based
machines including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips:
PCB8309 (Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308)
DH DRC Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm
SDM660)
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Merge tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813. Each SoC comes
with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the Ethos-U65
NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end of
Arm based Laptop SoCs, and its automotive cousin, the SA8540P. The
SC8280XP is used in the Lenovo Thinkpad X13s laptop that also gets
added here in addition to the reference boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the Orange Pi
zero2 single-board computer and the X96 Mate set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip in the
Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers, DH
electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems TQMa8MPQL, and
phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and Stratix
10 Software Virtual platform, both in the SoCFPGA platform.
- Two new wireless devices based on Broadcom SoCs: The Asus GT-AX6000
Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm SoC
families brought added machines: Acer Chromebook 514 (MT8192), Acer
Chromebook Spin 513 (MT8195) and a couple of SC7180 based machines
including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips: PCB8309
(Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308) DH DRC
Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm SDM660)"
* tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (829 commits)
dt-bindings: soc: bcm: use absolute path to other schema
dt-bindings: soc: bcm: drop quotes when not needed
dt-bindings: soc: microchip: use absolute path to other schema
dt-bindings: soc: microchip: drop quotes when not needed
ARM: dts: lan966x: keep lan966 entries alphabetically sorted
ARM: dts: lan966x: add support for pcb8309
dt-bindings: arm: at91: add lan966 pcb8309 board
ARM: dts: lan966x: Enable network driver on pcb8291
ARM: dts: lan966x: Disable can0 on pcb8291
ARM: dts: lan966x: Add gpio-restart
dt-bindings: arm: aspeed: add Aspeed Evaluation boards
arm64: dts: qcom: Add support for Xiaomi Mi Mix2s
dt-bindings: arm: qcom: Add Xiaomi Mi Mix2s bindings
dt-bindings: arm: qcom: Document lg,judyln and lg,judyp devices
dt-bindings: arm: qcom: add missing SM6350 board compatibles
dt-bindings: arm: qcom: add missing SM6125 board compatibles
dt-bindings: arm: qcom: add missing SDM845 board compatibles
dt-bindings: arm: qcom: add missing SDM636 board compatibles
dt-bindings: arm: qcom: add missing SDM630 board compatibles
dt-bindings: arm: qcom: add missing QCS404 board compatibles
...
The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.
Notable updates this time include:
- Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
- Updates for interconnect drivers on Qualcomm Snapdragon
- A new driver support for NMI interrupts on Fujitsu A64fx
- A rework of Broadcom BCMBCA Kconfig dependencies
- Improved support for BCM2711 (Raspberry Pi 4) power management
to allow the use of the V3D GPU
- Cleanups to the NXP guts driver
- Arm SCMI firmware driver updates to add tracing support, and
use the firmware interfaces for system power control and for
power capping.
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Merge tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC drivers from Arnd Bergmann:
"The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.
Notable updates this time include:
- Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
- Updates for interconnect drivers on Qualcomm Snapdragon
- A new driver support for NMI interrupts on Fujitsu A64fx
- A rework of Broadcom BCMBCA Kconfig dependencies
- Improved support for BCM2711 (Raspberry Pi 4) power management to
allow the use of the V3D GPU
- Cleanups to the NXP guts driver
- Arm SCMI firmware driver updates to add tracing support, and use
the firmware interfaces for system power control and for power
capping"
* tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (125 commits)
soc: a64fx-diag: disable modular build
dt-bindings: soc: qcom: qcom,smd-rpm: add power-controller
dt-bindings: soc: qcom: aoss: document qcom,sm8450-aoss-qmp
dt-bindings: soc: qcom,rpmh-rsc: simplify qcom,tcs-config
ARM: mach-qcom: Add support for MSM8909
dt-bindings: arm: cpus: Document "qcom,msm8909-smp" enable-method
soc: qcom: spm: Add CPU data for MSM8909
dt-bindings: soc: qcom: spm: Add MSM8909 CPU compatible
soc: qcom: rpmpd: Add compatible for MSM8909
dt-bindings: power: qcom-rpmpd: Add MSM8909 power domains
soc: qcom: smd-rpm: Add compatible for MSM8909
dt-bindings: soc: qcom: smd-rpm: Add MSM8909
soc: qcom: icc-bwmon: Remove unnecessary print function dev_err()
soc: fujitsu: Add A64FX diagnostic interrupt driver
soc: qcom: socinfo: Fix the id of SA8540P SoC
soc: qcom: Make QCOM_RPMPD depend on PM
tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
...
core:
- Fix a few inconsistencies between UP and SMP vs. interrupt affinities
- Small updates and cleanups all over the place
drivers:
- New driver for the LoongArch interrupt controller
- New driver for the Renesas RZ/G2L interrupt controller
- Hotpath optimization for SiFive PLIC
- Workaround for broken PLIC edge triggered interrupts
- Simall cleanups and improvements as usual
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Merge tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates for interrupt core and drivers:
Core:
- Fix a few inconsistencies between UP and SMP vs interrupt
affinities
- Small updates and cleanups all over the place
New drivers:
- LoongArch interrupt controller
- Renesas RZ/G2L interrupt controller
Updates:
- Hotpath optimization for SiFive PLIC
- Workaround for broken PLIC edge triggered interrupts
- Simall cleanups and improvements as usual"
* tag 'irq-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
irqchip/mmp: Declare init functions in common header file
irqchip/mips-gic: Check the return value of ioremap() in gic_of_init()
genirq: Use for_each_action_of_desc in actions_show()
irqchip / ACPI: Introduce ACPI_IRQ_MODEL_LPIC for LoongArch
irqchip: Add LoongArch CPU interrupt controller support
irqchip: Add Loongson Extended I/O interrupt controller support
irqchip/loongson-liointc: Add ACPI init support
irqchip/loongson-pch-msi: Add ACPI init support
irqchip/loongson-pch-pic: Add ACPI init support
irqchip: Add Loongson PCH LPC controller support
LoongArch: Prepare to support multiple pch-pic and pch-msi irqdomain
LoongArch: Use ACPI_GENERIC_GSI for gsi handling
genirq/generic_chip: Export irq_unmap_generic_chip
ACPI: irq: Allow acpi_gsi_to_irq() to have an arch-specific fallback
APCI: irq: Add support for multiple GSI domains
LoongArch: Provisionally add ACPICA data structures
irqdomain: Use hwirq_max instead of revmap_size for NOMAP domains
irqdomain: Report irq number for NOMAP domains
irqchip/gic-v3: Fix comment typo
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/V2L SoC
...
core:
- Make wait_event_hrtimeout() ware of RT/DL tasks
drivers:
- New driver for the R-Car Gen4 timer
- New driver for the Tegra186 timer
- New driver for the Mediatek MT6795 CPUXGPT timer
- Rework suspend/resume handling in timer drivers so it
takes inactive clocks into account.
- The usual device tree compatible add ons
- Small fixed and cleanups all over the place
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Merge tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Timers, timekeeping and related drivers update:
Core:
- Make wait_event_hrtimeout() aware of RT/DL tasks
New drivers:
- R-Car Gen4 timer
- Tegra186 timer
- Mediatek MT6795 CPUXGPT timer
Updates:
- Rework suspend/resume handling in timer drivers so it
takes inactive clocks into account.
- The usual device tree compatible add ons
- Small fixed and cleanups all over the place"
* tag 'timers-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
wait: Fix __wait_event_hrtimeout for RT/DL tasks
clocksource/drivers/sun5i: Remove unnecessary (void*) conversions
dt-bindings: timer: allwinner,sun4i-a10-timer: Add D1 compatible
dt-bindings: timer: ingenic,tcu: use absolute path to other schema
clocksource/drivers/sun4i: Remove unnecessary (void*) conversions
dt-bindings: timer: renesas,cmt: Fix R-Car Gen4 fall-out
clocksource/drivers/tegra186: Put Kconfig option 'tristate' to 'bool'
clocksource/drivers/timer-ti-dm: Make driver selection bool for TI K3
clocksource/drivers/timer-ti-dm: Add compatible for am6 SoCs
clocksource/drivers/timer-ti-dm: Make timer selectable for ARCH_K3
clocksource/drivers/timer-ti-dm: Move inline functions to driver for am6
clocksource/drivers/sh_cmt: Add R-Car Gen4 support
dt-bindings: timer: renesas,cmt: R-Car V3U is R-Car Gen4
dt-bindings: timer: renesas,cmt: Add r8a779f0 and generic Gen4 CMT support
clocksource/drivers/timer-microchip-pit64b: Fix compilation warnings
clocksource/drivers/timer-microchip-pit64b: Use mchp_pit64b_{suspend, resume}
clocksource/drivers/timer-microchip-pit64b: Remove suspend/resume ops for ce
thermal/drivers/rcar_gen3_thermal: Add r8a779f0 support
clocksource/drivers/timer-mediatek: Implement CPUXGPT timers
dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795 compatible
...
- lockdep: Fix a handful of the more complex lockdep_init_map_*() primitives
that can lose the lock_type & cause false reports. No such mishap was
observed in the wild.
- jump_label improvements: simplify the cross-arch support of
initial NOP patching by making it arch-specific code (used on MIPS only),
and remove the s390 initial NOP patching that was superfluous.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"This was a fairly quiet cycle for the locking subsystem:
- lockdep: Fix a handful of the more complex lockdep_init_map_*()
primitives that can lose the lock_type & cause false reports. No
such mishap was observed in the wild.
- jump_label improvements: simplify the cross-arch support of initial
NOP patching by making it arch-specific code (used on MIPS only),
and remove the s390 initial NOP patching that was superfluous"
* tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Fix lockdep_init_map_*() confusion
jump_label: make initial NOP patching the special case
jump_label: mips: move module NOP patching into arch code
jump_label: s390: avoid pointless initial NOP patching
- Remove unused generic cpuidle support (replaced by PSCI version)
- Fix documentation describing the kernel virtual address space
- Handling of some new CPU errata in Arm implementations
- Rework of our exception table code in preparation for handling
machine checks (i.e. RAS errors) more gracefully
- Switch over to the generic implementation of ioremap()
- Fix lockdep tracking in NMI context
- Instrument our memory barrier macros for KCSAN
- Rework of the kPTI G->nG page-table repainting so that the MMU remains
enabled and the boot time is no longer slowed to a crawl for systems
which require the late remapping
- Enable support for direct swapping of 2MiB transparent huge-pages on
systems without MTE
- Fix handling of MTE tags with allocating new pages with HW KASAN
- Expose the SMIDR register to userspace via sysfs
- Continued rework of the stack unwinder, particularly improving the
behaviour under KASAN
- More repainting of our system register definitions to match the
architectural terminology
- Improvements to the layout of the vDSO objects
- Support for allocating additional bits of HWCAP2 and exposing
FEAT_EBF16 to userspace on CPUs that support it
- Considerable rework and optimisation of our early boot code to reduce
the need for cache maintenance and avoid jumping in and out of the
kernel when handling relocation under KASLR
- Support for disabling SVE and SME support on the kernel command-line
- Support for the Hisilicon HNS3 PMU
- Miscellanous cleanups, trivial updates and minor fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Highlights include a major rework of our kPTI page-table rewriting
code (which makes it both more maintainable and considerably faster in
the cases where it is required) as well as significant changes to our
early boot code to reduce the need for data cache maintenance and
greatly simplify the KASLR relocation dance.
Summary:
- Remove unused generic cpuidle support (replaced by PSCI version)
- Fix documentation describing the kernel virtual address space
- Handling of some new CPU errata in Arm implementations
- Rework of our exception table code in preparation for handling
machine checks (i.e. RAS errors) more gracefully
- Switch over to the generic implementation of ioremap()
- Fix lockdep tracking in NMI context
- Instrument our memory barrier macros for KCSAN
- Rework of the kPTI G->nG page-table repainting so that the MMU
remains enabled and the boot time is no longer slowed to a crawl
for systems which require the late remapping
- Enable support for direct swapping of 2MiB transparent huge-pages
on systems without MTE
- Fix handling of MTE tags with allocating new pages with HW KASAN
- Expose the SMIDR register to userspace via sysfs
- Continued rework of the stack unwinder, particularly improving the
behaviour under KASAN
- More repainting of our system register definitions to match the
architectural terminology
- Improvements to the layout of the vDSO objects
- Support for allocating additional bits of HWCAP2 and exposing
FEAT_EBF16 to userspace on CPUs that support it
- Considerable rework and optimisation of our early boot code to
reduce the need for cache maintenance and avoid jumping in and out
of the kernel when handling relocation under KASLR
- Support for disabling SVE and SME support on the kernel
command-line
- Support for the Hisilicon HNS3 PMU
- Miscellanous cleanups, trivial updates and minor fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (136 commits)
arm64: Delay initialisation of cpuinfo_arm64::reg_{zcr,smcr}
arm64: fix KASAN_INLINE
arm64/hwcap: Support FEAT_EBF16
arm64/cpufeature: Store elf_hwcaps as a bitmap rather than unsigned long
arm64/hwcap: Document allocation of upper bits of AT_HWCAP
arm64: enable THP_SWAP for arm64
arm64/mm: use GENMASK_ULL for TTBR_BADDR_MASK_52
arm64: errata: Remove AES hwcap for COMPAT tasks
arm64: numa: Don't check node against MAX_NUMNODES
drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX
perf: RISC-V: Add of_node_put() when breaking out of for_each_of_cpu_node()
docs: perf: Include hns3-pmu.rst in toctree to fix 'htmldocs' WARNING
arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"
mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON
mm: kasan: Skip unpoisoning of user pages
mm: kasan: Ensure the tags are visible before the tag in page->flags
drivers/perf: hisi: add driver for HNS3 PMU
drivers/perf: hisi: Add description for HNS3 PMU driver
drivers/perf: riscv_pmu_sbi: perf format
perf/arm-cci: Use the bitmap API to allocate bitmaps
...
- Respect idle=nomwait when supplied on the kernel cmdline
- Two small cleanups
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Merge tag 'x86_cpu_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Borislav Petkov:
- Remove the vendor check when selecting MWAIT as the default idle
state
- Respect idle=nomwait when supplied on the kernel cmdline
- Two small cleanups
* tag 'x86_cpu_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Use MSR_IA32_MISC_ENABLE constants
x86: Fix comment for X86_FEATURE_ZEN
x86: Remove vendor checks from prefer_mwait_c1_over_halt
x86: Handle idle=nomwait cmdline properly for x86_idle
- Update pkeys documentation
- Avoid reading contended mm's TLB generation var if not absolutely
necessary along with fixing a case where arch_tlbbatch_flush() doesn't
adhere to the generation scheme and thus violates the conditions for the
above avoidance.
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Merge tag 'x86_mm_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Borislav Petkov:
- Rename a PKRU macro to make more sense when reading the code
- Update pkeys documentation
- Avoid reading contended mm's TLB generation var if not absolutely
necessary along with fixing a case where arch_tlbbatch_flush()
doesn't adhere to the generation scheme and thus violates the
conditions for the above avoidance.
* tag 'x86_mm_for_v6.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/tlb: Ignore f->new_tlb_gen when zero
x86/pkeys: Clarify PKRU_AD_KEY macro
Documentation/protection-keys: Clean up documentation for User Space pkeys
x86/mm/tlb: Avoid reading mm_tlb_gen when possible
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Merge tag 'fs.idmapped.overlay.acl.v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull acl updates from Christian Brauner:
"Last cycle we introduced support for mounting overlayfs on top of
idmapped mounts. While looking into additional testing we realized
that posix acls don't really work correctly with stacking filesystems
on top of idmapped layers.
We already knew what the fix were but it would require work that is
more suitable for the merge window so we turned off posix acls for
v5.19 for overlayfs on top of idmapped layers with Miklos routing my
patch upstream in 72a8e05d4f ("Merge tag 'ovl-fixes-5.19-rc7' [..]").
This contains the work to support posix acls for overlayfs on top of
idmapped layers. Since the posix acl fixes should use the new
vfs{g,u}id_t work the associated branch has been merged in. (We sent a
pull request for this earlier.)
We've also pulled in Miklos pull request containing my patch to turn
of posix acls on top of idmapped layers. This allowed us to avoid
rebasing the branch which we didn't like because we were already at
rc7 by then. Merging it in allows this branch to first fix posix acls
and then to cleanly revert the temporary fix it brought in by commit
4a47c6385b ("ovl: turn of SB_POSIXACL with idmapped layers
temporarily").
The last patch in this series adds Seth Forshee as a co-maintainer for
idmapped mounts. Seth has been integral to all of this work and is
also the main architect behind the filesystem idmapping work which
ultimately made filesystems such as FUSE and overlayfs available in
containers. He continues to be active in both development and review.
I'm very happy he decided to help and he has my full trust. This
increases the bus factor which is always great for work like this. I'm
honestly very excited about this because I think in general we don't
do great in the bringing on new maintainers department"
For more explanations of the ACL issues, see
https://lore.kernel.org/all/20220801145520.1532837-1-brauner@kernel.org/
* tag 'fs.idmapped.overlay.acl.v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
Add Seth Forshee as co-maintainer for idmapped mounts
Revert "ovl: turn of SB_POSIXACL with idmapped layers temporarily"
ovl: handle idmappings in ovl_get_acl()
acl: make posix_acl_clone() available to overlayfs
acl: port to vfs{g,u}id_t
acl: move idmapped mount fixup into vfs_{g,s}etxattr()
mnt_idmapping: add vfs[g,u]id_into_k[g,u]id()
- Check the IBPB feature flag before enabling IBPB in firmware calls
because cloud vendors' fantasy when it comes to creating guest
configurations is unlimited
- Unexport sev_es_ghcb_hv_call() before 5.19 releases now that HyperV
doesn't need it anymore
- Remove dead CONFIG_* items
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Merge tag 'x86_urgent_for_v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Update the 'mitigations=' kernel param documentation
- Check the IBPB feature flag before enabling IBPB in firmware calls
because cloud vendors' fantasy when it comes to creating guest
configurations is unlimited
- Unexport sev_es_ghcb_hv_call() before 5.19 releases now that HyperV
doesn't need it anymore
- Remove dead CONFIG_* items
* tag 'x86_urgent_for_v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed
x86/bugs: Do not enable IBPB at firmware entry when IBPB is not available
Revert "x86/sev: Expose sev_es_ghcb_hv_call() for use by HyperV"
x86/configs: Update configs in x86_debug.config
Fourth set of patches for v5.20, last few patches before the merge
window. Only driver changes this time, mostly just fixes and cleanup.
Major changes:
brcmfmac
* support brcm,ccode-map-trivial DT property
wcn36xx
* add debugfs file to show firmware feature strings
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Merge tag 'wireless-next-2022-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v5.20
Fourth set of patches for v5.20, last few patches before the merge
window. Only driver changes this time, mostly just fixes and cleanup.
Major changes:
brcmfmac
- support brcm,ccode-map-trivial DT property
wcn36xx
- add debugfs file to show firmware feature strings
* tag 'wireless-next-2022-07-29' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (36 commits)
wifi: rtw88: check the return value of alloc_workqueue()
wifi: rtw89: 8852a: adjust IMR for SER L1
wifi: rtw89: 8852a: update RF radio A/B R56
wifi: wcn36xx: Add debugfs entry to read firmware feature strings
wifi: wcn36xx: Move capability bitmap to string translation function to firmware.c
wifi: wcn36xx: Move firmware feature bit storage to dedicated firmware.c file
wifi: wcn36xx: Rename clunky firmware feature bit enum
wifi: brcmfmac: prevent double-free on hardware-reset
wifi: brcmfmac: support brcm,ccode-map-trivial DT property
dt-bindings: bcm4329-fmac: add optional brcm,ccode-map-trivial
wifi: brcmfmac: Replace default (not configured) MAC with a random MAC
wifi: brcmfmac: Add brcmf_c_set_cur_etheraddr() helper
wifi: brcmfmac: Remove #ifdef guards for PM related functions
wifi: brcmfmac: use strreplace() in brcmf_of_probe()
wifi: plfxlc: Use eth_zero_addr() to assign zero address
wifi: wilc1000: use existing iftype variable to store the interface type
wifi: wilc1000: add 'isinit' flag for SDIO bus similar to SPI
wifi: wilc1000: cancel the connect operation during interface down
wifi: wilc1000: get correct length of string WID from received config packet
wifi: wilc1000: set station_info flag only when signal value is valid
...
====================
Link: https://lore.kernel.org/r/20220729192832.A5011C433D6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Merge ACPI backlight driver changes, ACPI changes related to PCI and
ACPI documentation changes for v5.20-rc1:
- Use native backlight on Dell Inspiron N4010 (Hans de Goede).
- Use native backlight on some TongFang devices (Werner Sembach).
- Drop X86 dependency from the ACPI backlight driver Kconfig (Riwen
Lu).
- Shorten the quirk list in the ACPI backlight driver by identifying
Clevo by board_name only (Werner Sembach).
- Remove useless NULL pointer checks from 2 ACPI PCI link management
functions (Andrey Strachuk).
- Fix obsolete example in the ACPI EINJ documentation (Qifu Zhang).
- Update links and references to _DSD-related documents (Sudeep Holla).
* acpi-video:
ACPI: video: Use native backlight on Dell Inspiron N4010
ACPI: video: Shortening quirk list by identifying Clevo by board_name only
ACPI: video: Force backlight native for some TongFang devices
ACPI: video: Drop X86 dependency from Kconfig
* acpi-pci:
ACPI/PCI: Remove useless NULL pointer checks
* acpi-docs:
Documentation: ACPI: EINJ: Fix obsolete example
Documentation: ACPI: Update links and references to DSD related docs
Merge devfreq changes, PM QoS change, and power management tools and
documentation changes for v5.20-rc1:
- Add new devfreq driver for Mediatek CCI (Cache Coherent
Interconnect) (Johnson Wang).
- Convert the Samsung Exynos SoC Bus bindings to DT schema of
exynos-bus.c (Krzysztof Kozlowski).
- Address kernel-doc warnings by adding the description for unused
fucntion parameters in devfreq core (Mauro Carvalho Chehab).
- Use NULL to pass a null pointer rather than zero according to the
function propotype in imx-bus.c (Colin Ian King).
- Print error message instead of error interger value in
tegra30-devfreq.c (Dmitry Osipenko).
- Add checks to prevent setting negative frequency QoS limits for
CPUs (Shivnandan Kumar).
- Update the pm-graph suite of utilities to the latest revision 5.9
including multiple improvements (Todd Brandt).
- Drop pme_interrupt reference from the PCI power management
documentation (Mario Limonciello).
* pm-devfreq:
PM / devfreq: tegra30: Add error message for devm_devfreq_add_device()
PM / devfreq: imx-bus: use NULL to pass a null pointer rather than zero
PM / devfreq: shut up kernel-doc warnings
dt-bindings: interconnect: samsung,exynos-bus: convert to dtschema
PM / devfreq: mediatek: Introduce MediaTek CCI devfreq driver
dt-bindings: interconnect: Add MediaTek CCI dt-bindings
* pm-qos:
PM: QoS: Add check to make sure CPU freq is non-negative
* pm-tools:
pm-graph v5.9
* pm-docs:
Documentation: PM: Drop pme_interrupt reference
Merge core device power management changes for v5.20-rc1:
- Extend support for wakeirq to callback wrappers used during system
suspend and resume (Ulf Hansson).
- Defer waiting for device probe before loading a hibernation image
till the first actual device access to avoid possible deadlocks
reported by syzbot (Tetsuo Handa).
- Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP (Bjorn
Helgaas).
- Add Raptor Lake-P to the list of processors supported by the Intel
RAPL driver (George D Sworo).
- Add Alder Lake-N and Raptor Lake-P to the list of processors for
which Power Limit4 is supported in the Intel RAPL driver (Sumeet
Pawnikar).
- Make pm_genpd_remove() check genpd_debugfs_dir against NULL before
attempting to remove it (Hsin-Yi Wang).
- Change the Energy Model code to represent power in micro-Watts and
adjust its users accordingly (Lukasz Luba).
* pm-core:
PM: runtime: Extend support for wakeirq for force_suspend|resume
* pm-sleep:
PM: hibernate: defer device probing when resuming from hibernation
PM: wakeup: Unify device_init_wakeup() for PM_SLEEP and !PM_SLEEP
* powercap:
powercap: RAPL: Add Power Limit4 support for Alder Lake-N and Raptor Lake-P
powercap: intel_rapl: Add support for RAPTORLAKE_P
* pm-domains:
PM: domains: Ensure genpd_debugfs_dir exists before remove
* pm-em:
cpufreq: scmi: Support the power scale in micro-Watts in SCMI v3.1
firmware: arm_scmi: Get detailed power scale from perf
Documentation: EM: Switch to micro-Watts scale
PM: EM: convert power field to micro-Watts precision and align drivers
global variable, fix comments and rework the trace information
(Lukasz Luba)
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn)
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
Sang)
- Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
Kozlowski)
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano)
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof)
- Fix array underflow in prep_lookup_table (Dan Carpenter)
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun)
- Fix typos in comments detected on sun8i by Coccinelle (Julia Lawall)
- Fix typos in comments on rzg2l (Biju Das)
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li)
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov)
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer)
- Fix typo in the comments for the 'tmon' tool (Slark Xiao)
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to be
used by the different sensors when registering a thermal zone
(Daniel Lezcano)
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Merge tag 'thermal-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal control changes for 5.20-rc1 from Daniel Lezcano:
"- Make per cpufreq / devfreq cooling device ops instead of using a
global variable, fix comments and rework the trace information
(Lukasz Luba)
- Add the include/dt-bindings/thermal.h under the area covered by the
thermal maintainer in the MAINTAINERS file (Lukas Bulwahn)
- Improve the error output by giving the sensor identification when a
thermal zone failed to initialize, the DT bindings by changing the
positive logic and adding the r8a779f0 support on the rcar3 (Wolfram
Sang)
- Convert the QCom tsens DT binding to the dtsformat format (Krzysztof
Kozlowski)
- Remove the pointless get_trend() function in the QCom, Ux500 and
tegra thermal drivers, along with the unused DROP_FULL and
RAISE_FULL trends definitions. Simplify the code by using clamp()
macros (Daniel Lezcano)
- Fix ref_table memory leak at probe time on the k3_j72xx bandgap
(Bryan Brattlof)
- Fix array underflow in prep_lookup_table (Dan Carpenter)
- Add static annotation to the k3_j72xx_bandgap_j7* data structure
(Jin Xiaoyun)
- Fix typos in comments detected on sun8i by Coccinelle (Julia Lawall)
- Fix typos in comments on rzg2l (Biju Das)
- Remove as unnecessary call to dev_err() as the error is already
printed by the failing function on u8500 (Yang Li)
- Register the thermal zones as hwmon sensors for the Qcom thermal
sensors (Dmitry Baryshkov)
- Fix 'tmon' tool compilation issue by adding phtread.h include
(Markus Mayer)
- Fix typo in the comments for the 'tmon' tool (Slark Xiao)
- Consolidate the thermal core code by beginning to move the thermal
trip structure from the thermal OF code as a generic structure to be
used by the different sensors when registering a thermal zone
(Daniel Lezcano)"
* tag 'thermal-v5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (36 commits)
thermal/of: Initialize trip points separately
thermal/of: Use thermal trips stored in the thermal zone
thermal/core: Add thermal_trip in thermal_zone
thermal/core: Rename 'trips' to 'num_trips'
thermal/core: Move thermal_set_delay_jiffies to static
thermal/core: Remove unneeded EXPORT_SYMBOLS
thermal/of: Move thermal_trip structure to thermal.h
thermal/of: Remove the device node pointer for thermal_trip
thermal/of: Replace device node match with device node search
thermal/core: Remove duplicate information when an error occurs
thermal/core: Avoid calling ->get_trip_temp() unnecessarily
thermal/tools/tmon: Fix typo 'the the' in comment
thermal/tools/tmon: Include pthread and time headers in tmon.h
thermal/ti-soc-thermal: Fix comment typo
thermal/drivers/qcom/spmi-adc-tm5: Register thermal zones as hwmon sensors
thermal/drivers/qcom/temp-alarm: Register thermal zones as hwmon sensors
thermal/drivers/u8500: Remove unnecessary print function dev_err()
thermal/drivers/rzg2l: Fix comments
thermal/drivers/sun8i: Fix typo in comment
thermal/drivers/k3_j72xx_bandgap: Make k3_j72xx_bandgap_j721e_data and k3_j72xx_bandgap_j7200_data static
...
Create documentation for the hpe,gxp-spifi binding to support access to
the SPI parts
Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220728161459.7738-3-nick.hawkins@hpe.com
Signed-off-by: Mark Brown <broonie@kernel.org>
MT8195's PWM IP is compatible with the MT8183 PWM IP.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
The tcp_reflect_tos option was introduced in Linux 5.10 but was still
undocumented.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Benjamin Tissoires