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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
- Fix device reference leak in error path
- Check if system provides a 64-bit free running platform counter
- Minor fixes in debug code
* tag 'parisc-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: lba_pci: Add debug code to show IO and PA ranges
parisc: Detect 64-bit free running platform counter
parisc: Fix minor printk issues in iosapic debug code
parisc: Enhance debug code for PAT firmware
parisc: Add PDC PAT call to get free running 64-bit counter
parisc: Fix module path output in qemu tables
parisc: Export model name for MPE/ix
parisc: Prevent interrupts during reboot
parisc: Print hardware IDs as 4 digit hex strings
parisc: kernel: replace kfree() with put_device() in create_tree_node()
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Pull SoC devicetree updates from Arnd Bergmann:
"There are a handful of new SoCs this time, all of these are more or
less related to chips in a wider family:
- SpacemiT Key Stone K3 is an 8-core risc-v chip, and the first
widely available RVA23 implementation. Note that this is entirely
unrelated with the similarly named Texas Instruments K3 chip family
that follwed the TI Keystone2 SoC.
- The Realtek Kent family of SoCs contains three chip models
rtd1501s, rtd1861b and rtd1920s, and is related to their earlier
Set-top-box and NAS products such as rtd1619, but is built on newer
Arm Cortex-A78 cores.
- The Qualcomm Milos family includes the Snapdragon 7s Gen 3 (SM7635)
mobile phone SoC built around Armv9 Kryo cores of the Arm
Cortex-A720 generation. This one is used in the Fairphone Gen 6
- Qualcomm Kaanapali is a new SoC based around eight high performance
Oryon CPU cores
- NXP i.MX8QP and i.MX952 are both feature reduced versions of chips
we already support, i.e. the i.MX8QM and i.MX952, with fewer CPU
cores and I/O interfaces.
As part of a cleanup, a number of SoC specific devicetree files got
removed because they did not have a single board using the .dtsi files
and they were never compile tested as a result: Samsung s3c6400, ST
spear320s, ST stm32mp21xc/stm32mp23xc/stm32mp25xc, Renesas
r8a779m0/r8a779m2/r8a779m4/r8a779m6/r8a779m7/r8a779m8/r8a779mb/
r9a07g044c1/r9a07g044l1/r9a07g054l1/r9a09g047e37, and TI
am3703/am3715. All of these could be restored easily if a new board
gets merged.
Broadcom/Cavium/Marvell ThunderX2 gets removed along with its only
machine, as all remaining users are assumed to be using ACPI based
firmware.
A relatively small number of 43 boards get added this time, and almost
all of them for arm64. Aside from the reference boards for the newly
added SoCs, this includes:
- Three server boards use 32-bit ASpeed BMCs
- One more reference board for 32-bit Microchip LAN9668
- 64-bit Arm single-board computers based on Amlogic s905y4, CIX
sky1, NXP ls1028a/imx8mn/imx8mp/imx91/imx93/imx95, Qualcomm
qcs6490/qrb2210 and Rockchip rk3568/rk3588s
- Carrier board for SOMs using Intel agilex5, Marvell Armada 7020,
NXP iMX8QP, Mediatek mt8370/mt8390 and rockchip rk3588
- Two mobile phones using Snapdragon 845
- A gaming device and a NAS box, both based on Rockchips rk356x
On top of the newly added boards and SoCs, there is a lot of
background activity going into cleanups, in particular towards getting
a warning-free dtc build, and the usual work on adding support for
more hardware on the previously added machines"
* tag 'soc-dt-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (757 commits)
dt-bindings: intel: Add Agilex eMMC support
arm64: dts: socfpga: agilex: add emmc support
arm64: dts: intel: agilex5: Add simple-bus node on top of dma controller node
ARM: dts: socfpga: fix dtbs_check warning for fpga-region
ARM: dts: socfpga: add #address-cells and #size-cells for sram node
dt-bindings: altera: document syscon as fallback for sys-mgr
arm64: dts: altera: Use lowercase hex
dt-bindings: arm: altera: combine Intel's SoCFPGA into altera.yaml
arm64: dts: socfpga: agilex5: Add IOMMUS property for ethernet nodes
arm64: dts: socfpga: agilex5: add support for modular board
dt-bindings: intel: Add Agilex5 SoCFPGA modular board
arm64: dts: socfpga: agilex5: Add dma-coherent property
arm64: dts: realtek: Add Kent SoC and EVB device trees
dt-bindings: arm: realtek: Add Kent Soc family compatibles
ARM: dts: samsung: Drop s3c6400.dtsi
ARM: dts: nuvoton: Minor whitespace cleanup
MAINTAINERS: Add Falcon DB
arm64: dts: a7k: add COM Express boards
ARM: dts: microchip: Drop usb_a9g20-dab-mmx.dtsi
arm64: dts: rockchip: Fix rk3588 PCIe range mappings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"There are are a number of to firmware drivers, in particular the TEE
subsystem:
- a bus callback for TEE firmware that device drivers can register to
- sysfs support for tee firmware information
- minor updates to platform specific TEE drivers for AMD, NXP,
Qualcomm and the generic optee driver
- ARM SCMI firmware refactoring to improve the protocol discover
among other fixes and cleanups
- ARM FF-A firmware interoperability improvements
The reset controller and memory controller subsystems gain support for
additional hardware platforms from Mediatek, Renesas, NXP, Canaan and
SpacemiT.
Most of the other changes are for random drivers/soc code. Among a
number of cleanups and newly added hardware support, including:
- Mediatek MT8196 DVFS power management and mailbox support
- Qualcomm SCM firmware and MDT loader refactoring, as part of the
new Glymur platform support.
- NXP i.MX9 System Manager firmware support for accessing the syslog
- Minor updates for TI, Renesas, Samsung, Apple, Marvell and AMD
SoCs"
* tag 'soc-drivers-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (171 commits)
bus: fsl-mc: fix an error handling in fsl_mc_device_add()
reset: spacemit: Add SpacemiT K3 reset driver
reset: spacemit: Extract common K1 reset code
reset: Create subdirectory for SpacemiT drivers
dt-bindings: soc: spacemit: Add K3 reset support and IDs
reset: canaan: k230: drop OF dependency and enable by default
reset: rzg2l-usbphy-ctrl: Add suspend/resume support
reset: rzg2l-usbphy-ctrl: Propagate the return value of regmap_field_update_bits()
reset: gpio: check the return value of gpiod_set_value_cansleep()
reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
reset: imx8mp-audiomix: Extend the driver usage
reset: imx8mp-audiomix: Switch to using regmap API
reset: imx8mp-audiomix: Drop unneeded macros
soc: fsl: qe: qe_ports_ic: Consolidate chained IRQ handler install/remove
soc: mediatek: mtk-cmdq: Add mminfra_offset adjustment for DRAM addresses
soc: mediatek: mtk-cmdq: Extend cmdq_pkt_write API for SoCs without subsys ID
soc: mediatek: mtk-cmdq: Add pa_base parsing for hardware without subsys ID support
soc: mediatek: mtk-cmdq: Add cmdq_get_mbox_priv() in cmdq_pkt_create()
mailbox: mtk-cmdq: Add driver data to support for MT8196
mailbox: mtk-cmdq: Add mminfra_offset configuration for DRAM transaction
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt updates from Borislav Petkov:
- A nice cleanup to the paravirt code containing a unification of the
paravirt clock interface, taming the include hell by splitting the
pv_ops structure and removing of a bunch of obsolete code (Juergen
Gross)
* tag 'x86_paravirt_for_v7.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/paravirt: Use XOR r32,r32 to clear register in pv_vcpu_is_preempted()
x86/paravirt: Remove trailing semicolons from alternative asm templates
x86/pvlocks: Move paravirt spinlock functions into own header
x86/paravirt: Specify pv_ops array in paravirt macros
x86/paravirt: Allow pv-calls outside paravirt.h
objtool: Allow multiple pv_ops arrays
x86/xen: Drop xen_mmu_ops
x86/xen: Drop xen_cpu_ops
x86/xen: Drop xen_irq_ops
x86/paravirt: Move pv_native_*() prototypes to paravirt.c
x86/paravirt: Introduce new paravirt-base.h header
x86/paravirt: Move paravirt_sched_clock() related code into tsc.c
x86/paravirt: Use common code for paravirt_steal_clock()
riscv/paravirt: Use common code for paravirt_steal_clock()
loongarch/paravirt: Use common code for paravirt_steal_clock()
arm64/paravirt: Use common code for paravirt_steal_clock()
arm/paravirt: Use common code for paravirt_steal_clock()
sched: Move clock related paravirt code to kernel/sched
paravirt: Remove asm/paravirt_api_clock.h
x86/paravirt: Move thunk macros to paravirt_types.h
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Remove two drivers for obsolete hardware: i82443bxgx_edac and
r82600_edac
- Add support for Intel Amston Lake and Panther Lake-H SoCs to
igen6_edac
- The usual amount of fixes and cleanups
* tag 'edac_updates_for_v7.0_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/r82600: Remove this obsolete driver
EDAC/i82443bxgx: Remove driver that has been marked broken since 2007
EDAC/amd64: Avoid a -Wformat-security warning
RAS/AMD/ATL: Remove an unneeded semicolon
EDAC/igen6: Add more Intel Panther Lake-H SoCs support
EDAC/igen6: Make masks of {MCHBAR, TOM, TOUUD, ECC_ERROR_LOG} configurable
EDAC/igen6: Add two Intel Amston Lake SoCs support
EDAC/i5400: Fix snprintf() limit calculation in calculate_dimm_size()
EDAC/i5000: Fix snprintf() size calculation in calculate_dimm_size()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 irq updates from Thomas Gleixner:
"Trivial cleanups for the posted MSI interrupt handling"
* tag 'x86-irq-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq_remapping: Sanitize posted_msi_supported()
x86/irq: Cleanup posted MSI code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource updates from Thomas Gleixner:
"A rather small set of boring cleanups, fixes and improvements"
* tag 'timers-clocksource-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/mips-gic-timer: Move GIC timer to request_percpu_irq()
clocksource/drivers/timer-sp804: Fix an Oops when read_current_timer is called on ARM32 platforms where the SP804 is not registered as the sched_clock.
clocksource/drivers/armada-370-xp: Fix dead link to timer binding
clocksource/drivers/timer-integrator-ap: Add missing Kconfig dependency on OF
clocksource/drivers/sh_tmu: Always leave device running after probe
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull MSI updates from Thomas Gleixner:
"Updates for the [PCI] MSI subsystem:
- Add interrupt redirection infrastructure
Some PCI controllers use a single demultiplexing interrupt for the
MSI interrupts of subordinate devices.
This prevents setting the interrupt affinity of device interrupts,
which causes device interrupts to be delivered to a single CPU.
That obviously is counterproductive for multi-queue devices and
interrupt balancing.
To work around this limitation the new infrastructure installs a
dummy irq_set_affinity() callback which captures the affinity mask
and picks a redirection target CPU out of the mask.
When the PCI controller demultiplexes the interrupts it invokes a
new handling function in the core, which either runs the interrupt
handler in the context of the target CPU or delegates it to
irq_work on the target CPU.
- Utilize the interrupt redirection mechanism in the PCI DWC host
controller driver.
This allows affinity control for the subordinate device MSI
interrupts instead of being randomly executed on the CPU which runs
the demultiplex handler.
- Replace the binary 64-bit MSI flag with a DMA mask
Some PCI devices have PCI_MSI_FLAGS_64BIT in the MSI capability,
but implement less than 64 address bits. This breaks on platforms
where such a device is assigned an MSI address higher than what's
supported.
With the binary 64-bit flag there is no other choice than disabling
64-bit MSI support which leaves the device disfunctional.
By using a DMA mask the address limit of a device can be described
correctly which provides support for the above scenario.
- Make use of the DMA mask based address limit in the hda/intel and
radeon drivers to enable them on affected platforms
- The usual small cleanups and improvements"
* tag 'irq-msi-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ALSA: hda/intel: Make MSI address limit based on the device DMA limit
drm/radeon: Make MSI address limit based on the device DMA limit
PCI/MSI: Check the device specific address mask in msi_verify_entries()
PCI/MSI: Convert the boolean no_64bit_msi flag to a DMA address mask
genirq/redirect: Prevent writing MSI message on affinity change
PCI/MSI: Unmap MSI-X region on error
genirq: Update effective affinity for redirected interrupts
PCI: dwc: Enable MSI affinity support
PCI: dwc: Code cleanup
genirq: Add interrupt redirection infrastructure
genirq/msi: Correct kernel-doc in <linux/msi.h>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq chip driver updates from Thomas Gleixner:
- Add support for the Renesas RZ/V2N SoC
- Add a new driver for the Renesas RZ/[TN]2H SoCs
- Preserve the register state of the RISCV APLIC interrupt controller
accross suspend/resume
- Reinitialize the RISCV IMSIC registers after suspend/resume
- Make the various Loongson interrupt chip drivers 32/64-bit aware
- Handle the number of hardware interrupts in the SIFIVE PLIC driver
correctly
The hardware interrupt 0 is reserved which resulted in inconsistent
accounting. That went unnoticed as the off by one is only noticable
when the number of device interrupts is a multiple of 32
- The usual device tree updates, cleanups and improvements all over the
place
* tag 'irq-drivers-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
irqchip/gic-v5: Fix spelling mistake "ouside" -> "outside"
dt-bindings: interrupt-controller: sifive,plic: Clarify the riscv,ndev meaning in PLIC
irqchip/sifive-plic: Handle number of hardware interrupts correctly
irqchip/aspeed-scu-ic: Remove unused variable mask
irqchip/ti-sci-intr: Allow parsing interrupt-types per-line
dt-bindings: interrupt-controller: ti,sci-intr: Per-line interrupt-types
irqchip/renesas-rzv2h: Add suspend/resume support
irqchip/aslint-sswi: Fix error check of of_io_request_and_map() result
irqchip: Allow LoongArch irqchip drivers on both 32BIT/64BIT
irqchip/loongson-pch-pic: Adjust irqchip driver for 32BIT/64BIT
irqchip/loongson-pch-msi: Adjust irqchip driver for 32BIT/64BIT
irqchip/loongson-htvec: Adjust irqchip driver for 32BIT/64BIT
irqchip/loongson-eiointc: Adjust irqchip driver for 32BIT/64BIT
irqchip/loongson-liointc: Adjust irqchip driver for 32BIT/64BIT
irqchip/loongarch-avec: Adjust irqchip driver for 32BIT/64BIT
irqchip/riscv-aplic: Preserve APLIC states across suspend/resume
irqchip/riscv-imsic: Add a CPU pm notifier to restore the IMSIC on exit
arm64: dts: renesas: r9a09g087: Add ICU support
arm64: dts: renesas: r9a09g077: Add ICU support
irqchip: Add RZ/{T2H,N2H} Interrupt Controller (ICU) driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq core updates from Thomas Gleixner:
"Updates for the interrupt core subsystem:
- Remove the interrupt timing infrastructure
This was added seven years ago to be used for power management
purposes, but that integration never happened.
- Clean up the remaining setup_percpu_irq() users
The memory allocator is available when interrupts can be requested
so there is not need for static irq_action. Move the remaining
users to request_percpu_irq() and delete the historical cruft.
- Warn when interrupt flag inconsistencies are detected in
request*_irq().
Inconsistent flags can lead to hard to diagnose malfunction. The
fallout of this new warning has been addressed in next and the
fixes are coming in via the maintainer trees and the tip
irq/cleanup pull requests.
- Invoke affinity notifier when CPU hotplug breaks affinity
Otherwise the code using the notifier misses the affinity change
and operates on stale information.
- The usual cleanups and improvements"
* tag 'irq-core-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/proc: Replace snprintf with strscpy in register_handler_proc
genirq/cpuhotplug: Notify about affinity changes breaking the affinity mask
genirq: Move clear of kstat_irqs to free_desc()
genirq: Warn about using IRQF_ONESHOT without a threaded handler
irqdomain: Fix up const problem in irq_domain_set_name()
genirq: Remove setup_percpu_irq()
clocksource/drivers/mips-gic-timer: Move GIC timer to request_percpu_irq()
MIPS: Move IP27 timer to request_percpu_irq()
MIPS: Move IP30 timer to request_percpu_irq()
genirq: Remove __request_percpu_irq() helper
genirq: Remove IRQ timing tracking infrastructure
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq cleanups from Thomas Gleixner:
"A series of treewide cleanups to ensure interrupt request consistency.
- Add the missing IRQF_COND_ONESHOT flag to devm_request_irq()
This is inconsistent vs request_irq() and causes the same issues
which where addressed with the introduction of this flag
- Cleanup IRQF_ONESHOT and IRQF_NO_THREAD usage
Quite some drivers have inconsistent interrupt request flags
related to interrupt threading namely IRQF_ONESHOT and
IRQF_NO_THREAD. This leads to warnings and/or malfunction when
forced interrupt threading is enabled.
- Remove stub primary (hard interrupt) handlers
A bunch of drivers implement a stub primary (hard interrupt)
handler which just returns IRQ_WAKE_THREAD. The same functionality
is provided by the core code when the primary handler argument of
request_thread_irq() is set to NULL"
* tag 'irq-cleanups-2026-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
media: pci: mg4b: Use IRQF_NO_THREAD
mfd: wm8350-core: Use IRQF_ONESHOT
thermal/qcom/lmh: Replace IRQF_ONESHOT with IRQF_NO_THREAD
rtc: amlogic-a4: Remove IRQF_ONESHOT
usb: typec: fusb302: Remove IRQF_ONESHOT
EDAC/altera: Remove IRQF_ONESHOT
char: tpm: cr50: Remove IRQF_ONESHOT
ARM: versatile: Remove IRQF_ONESHOT
scsi: efct: Use IRQF_ONESHOT and default primary handler
Bluetooth: btintel_pcie: Use IRQF_ONESHOT and default primary handler
bus: fsl-mc: Use default primary handler
mailbox: bcm-ferxrm-mailbox: Use default primary handler
iommu/amd: Use core's primary handler and set IRQF_ONESHOT
platform/x86: int0002: Remove IRQF_ONESHOT from request_irq()
genirq: Set IRQF_COND_ONESHOT in devm_request_irq().
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"Lock debugging:
- Implement compiler-driven static analysis locking context checking,
using the upcoming Clang 22 compiler's context analysis features
(Marco Elver)
We removed Sparse context analysis support, because prior to
removal even a defconfig kernel produced 1,700+ context tracking
Sparse warnings, the overwhelming majority of which are false
positives. On an allmodconfig kernel the number of false positive
context tracking Sparse warnings grows to over 5,200... On the plus
side of the balance actual locking bugs found by Sparse context
analysis is also rather ... sparse: I found only 3 such commits in
the last 3 years. So the rate of false positives and the
maintenance overhead is rather high and there appears to be no
active policy in place to achieve a zero-warnings baseline to move
the annotations & fixers to developers who introduce new code.
Clang context analysis is more complete and more aggressive in
trying to find bugs, at least in principle. Plus it has a different
model to enabling it: it's enabled subsystem by subsystem, which
results in zero warnings on all relevant kernel builds (as far as
our testing managed to cover it). Which allowed us to enable it by
default, similar to other compiler warnings, with the expectation
that there are no warnings going forward. This enforces a
zero-warnings baseline on clang-22+ builds (Which are still limited
in distribution, admittedly)
Hopefully the Clang approach can lead to a more maintainable
zero-warnings status quo and policy, with more and more subsystems
and drivers enabling the feature. Context tracking can be enabled
for all kernel code via WARN_CONTEXT_ANALYSIS_ALL=y (default
disabled), but this will generate a lot of false positives.
( Having said that, Sparse support could still be added back,
if anyone is interested - the removal patch is still
relatively straightforward to revert at this stage. )
Rust integration updates: (Alice Ryhl, Fujita Tomonori, Boqun Feng)
- Add support for Atomic<i8/i16/bool> and replace most Rust native
AtomicBool usages with Atomic<bool>
- Clean up LockClassKey and improve its documentation
- Add missing Send and Sync trait implementation for SetOnce
- Make ARef Unpin as it is supposed to be
- Add __rust_helper to a few Rust helpers as a preparation for
helper LTO
- Inline various lock related functions to avoid additional function
calls
WW mutexes:
- Extend ww_mutex tests and other test-ww_mutex updates (John
Stultz)
Misc fixes and cleanups:
- rcu: Mark lockdep_assert_rcu_helper() __always_inline (Arnd
Bergmann)
- locking/local_lock: Include more missing headers (Peter Zijlstra)
- seqlock: fix scoped_seqlock_read kernel-doc (Randy Dunlap)
- rust: sync: Replace `kernel::c_str!` with C-Strings (Tamir
Duberstein)"
* tag 'locking-core-2026-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (90 commits)
locking/rwlock: Fix write_trylock_irqsave() with CONFIG_INLINE_WRITE_TRYLOCK
rcu: Mark lockdep_assert_rcu_helper() __always_inline
compiler-context-analysis: Remove __assume_ctx_lock from initializers
tomoyo: Use scoped init guard
crypto: Use scoped init guard
kcov: Use scoped init guard
compiler-context-analysis: Introduce scoped init guards
cleanup: Make __DEFINE_LOCK_GUARD handle commas in initializers
seqlock: fix scoped_seqlock_read kernel-doc
tools: Update context analysis macros in compiler_types.h
rust: sync: Replace `kernel::c_str!` with C-Strings
rust: sync: Inline various lock related methods
rust: helpers: Move #define __rust_helper out of atomic.c
rust: wait: Add __rust_helper to helpers
rust: time: Add __rust_helper to helpers
rust: task: Add __rust_helper to helpers
rust: sync: Add __rust_helper to helpers
rust: refcount: Add __rust_helper to helpers
rust: rcu: Add __rust_helper to helpers
rust: processor: Add __rust_helper to helpers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Add '__rust_helper' annotation to the C helpers
This is needed to inline these helpers into Rust code
- Remove imports available via the prelude, treewide
This was possible thanks to a new lint in Klint that Gary has
implemented -- more Klint-related changes, including initial
upstream support, are coming
- Deduplicate pin-init flags
'kernel' crate:
- Add support for calling a function exactly once with the new
'do_once_lite!' macro (and 'OnceLite' type)
Based on this, add 'pr_*_once!' macros to print only once
- Add 'impl_flags!' macro for defining common bitflags operations:
impl_flags!(
/// Represents multiple permissions.
#[derive(Debug, Clone, Default, Copy, PartialEq, Eq)]
pub struct Permissions(u32);
/// Represents a single permission.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Permission {
/// Read permission.
Read = 1 << 0,
/// Write permission.
Write = 1 << 1,
/// Execute permission.
Execute = 1 << 2,
}
);
let mut f: Permissions = Permission::Read | Permission::Write;
assert!(f.contains(Permission::Read));
assert!(!f.contains(Permission::Execute));
f |= Permission::Execute;
assert!(f.contains(Permission::Execute));
let f2: Permissions = Permission::Write | Permission::Execute;
assert!((f ^ f2).contains(Permission::Read));
assert!(!(f ^ f2).contains(Permission::Write));
- 'bug' module: support 'CONFIG_DEBUG_BUGVERBOSE_DETAILED' in the
'warn_on!' macro in order to show the evaluated condition alongside
the file path:
------------[ cut here ]------------
WARNING: [val == 1] linux/samples/rust/rust_minimal.rs:27 at ...
Modules linked in: rust_minimal(+)
- Add safety module with 'unsafe_precondition_assert!' macro,
currently a wrapper for 'debug_assert!', intended to mark the
validation of safety preconditions where possible:
/// # Safety
///
/// The caller must ensure that `index` is less than `N`.
unsafe fn set_unchecked(&mut self, index: usize, value: T) {
unsafe_precondition_assert!(
index < N,
"set_unchecked() requires index ({index}) < N ({N})"
);
...
}
- Add instructions to 'build_assert!' documentation requesting to
always inline functions when used with function arguments
- 'ptr' module: replace 'build_assert!' with a 'const' one
- 'rbtree' module: reduce unsafe blocks on pointer derefs
- 'transmute' module: implement 'FromBytes' and 'AsBytes' for
inhabited ZSTs, and use it in Nova
- More treewide replacements of 'c_str!' with C string literals
'macros' crate:
- Rewrite most procedural macros ('module!', 'concat_idents!',
'#[export]', '#[vtable]', '#[kunit_tests]') to use the 'syn'
parsing library which we introduced last cycle, with better
diagnostics
This also allows to support '#[cfg]' properly in the '#[vtable]'
macro, to support arbitrary types in 'module!' macro (not just an
identifier) and to remove several custom parsing helpers we had
- Use 'quote!' from the recently vendored 'quote' library and remove
our custom one
The vendored one also allows us to avoid quoting '"' and '{}'
inside the template anymore and editors can now highlight it. In
addition, it improves robustness as it eliminates the need for
string quoting and escaping
- Use 'pin_init::zeroed()' to simplify KUnit code
'pin-init' crate:
- Rewrite all procedural macros ('[pin_]init!', '#[pin_data]',
'#[pinned_drop]', 'derive([Maybe]Zeroable)') to use the 'syn'
parsing library which we introduced last cycle, with better
diagnostics
- Implement 'InPlaceWrite' for '&'static mut MaybeUninit<T>'. This
enables users to use external allocation mechanisms such as
'static_cell'
- Support tuple structs in 'derive([Maybe]Zeroable)'
- Support attributes on fields in '[pin_]init!' (such as
'#[cfg(...)]')
- Add a '#[default_error(<type>)]' attribute to '[pin_]init!' to
override the default error (when no '? Error' is specified)
- Support packed structs in '[pin_]init!' with
'#[disable_initialized_field_access]'
- Remove 'try_[pin_]init!' in favor of merging their feature with
'[pin_]init!'. Update the kernel's own 'try_[pin_]init!' macros to
use the 'default_error' attribute
- Correct 'T: Sized' bounds to 'T: ?Sized' in the generated
'PinnedDrop' check by '#[pin_data]'
Documentation:
- Conclude the Rust experiment
MAINTAINERS:
- Add "RUST [RUST-ANALYZER]" entry for the rust-analyzer support.
Tamir and Jesung will take care of it. They have both been active
around it for a while. The new tree will flow through the Rust one
- Add Gary as maintainer for "RUST [PIN-INIT]"
- Update Boqun and Tamir emails to their kernel.org accounts
And a few other cleanups and improvements"
* tag 'rust-6.20-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (59 commits)
rust: safety: introduce `unsafe_precondition_assert!` macro
rust: add `impl_flags!` macro for defining common bitflag operations
rust: print: Add pr_*_once macros
rust: bug: Support DEBUG_BUGVERBOSE_DETAILED option
rust: print: Add support for calling a function exactly once
rust: kbuild: deduplicate pin-init flags
gpu: nova-core: remove imports available via prelude
rust: clk: replace `kernel::c_str!` with C-Strings
MAINTAINERS: Update my email address to @kernel.org
rust: macros: support `#[cfg]` properly in `#[vtable]` macro.
rust: kunit: use `pin_init::zeroed` instead of custom null value
rust: macros: rearrange `#[doc(hidden)]` in `module!` macro
rust: macros: allow arbitrary types to be used in `module!` macro
rust: macros: convert `#[kunit_tests]` macro to use `syn`
rust: macros: convert `concat_idents!` to use `syn`
rust: macros: convert `#[export]` to use `syn`
rust: macros: use `quote!` for `module!` macro
rust: macros: use `syn` to parse `module!` macro
rust: macros: convert `#[vtable]` macro to use `syn`
rust: macros: use `quote!` from vendored crate
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Support associating BPF program with struct_ops (Amery Hung)
- Switch BPF local storage to rqspinlock and remove recursion detection
counters which were causing false positives (Amery Hung)
- Fix live registers marking for indirect jumps (Anton Protopopov)
- Introduce execution context detection BPF helpers (Changwoo Min)
- Improve verifier precision for 32bit sign extension pattern
(Cupertino Miranda)
- Optimize BTF type lookup by sorting vmlinux BTF and doing binary
search (Donglin Peng)
- Allow states pruning for misc/invalid slots in iterator loops (Eduard
Zingerman)
- In preparation for ASAN support in BPF arenas teach libbpf to move
global BPF variables to the end of the region and enable arena kfuncs
while holding locks (Emil Tsalapatis)
- Introduce support for implicit arguments in kfuncs and migrate a
number of them to new API. This is a prerequisite for cgroup
sub-schedulers in sched-ext (Ihor Solodrai)
- Fix incorrect copied_seq calculation in sockmap (Jiayuan Chen)
- Fix ORC stack unwind from kprobe_multi (Jiri Olsa)
- Speed up fentry attach by using single ftrace direct ops in BPF
trampolines (Jiri Olsa)
- Require frozen map for calculating map hash (KP Singh)
- Fix lock entry creation in TAS fallback in rqspinlock (Kumar
Kartikeya Dwivedi)
- Allow user space to select cpu in lookup/update operations on per-cpu
array and hash maps (Leon Hwang)
- Make kfuncs return trusted pointers by default (Matt Bobrowski)
- Introduce "fsession" support where single BPF program is executed
upon entry and exit from traced kernel function (Menglong Dong)
- Allow bpf_timer and bpf_wq use in all programs types (Mykyta
Yatsenko, Andrii Nakryiko, Kumar Kartikeya Dwivedi, Alexei
Starovoitov)
- Make KF_TRUSTED_ARGS the default for all kfuncs and clean up their
definition across the tree (Puranjay Mohan)
- Allow BPF arena calls from non-sleepable context (Puranjay Mohan)
- Improve register id comparison logic in the verifier and extend
linked registers with negative offsets (Puranjay Mohan)
- In preparation for BPF-OOM introduce kfuncs to access memcg events
(Roman Gushchin)
- Use CFI compatible destructor kfunc type (Sami Tolvanen)
- Add bitwise tracking for BPF_END in the verifier (Tianci Cao)
- Add range tracking for BPF_DIV and BPF_MOD in the verifier (Yazhou
Tang)
- Make BPF selftests work with 64k page size (Yonghong Song)
* tag 'bpf-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (268 commits)
selftests/bpf: Fix outdated test on storage->smap
selftests/bpf: Choose another percpu variable in bpf for btf_dump test
selftests/bpf: Remove test_task_storage_map_stress_lookup
selftests/bpf: Update task_local_storage/task_storage_nodeadlock test
selftests/bpf: Update task_local_storage/recursion test
selftests/bpf: Update sk_storage_omem_uncharge test
bpf: Switch to bpf_selem_unlink_nofail in bpf_local_storage_{map_free, destroy}
bpf: Support lockless unlink when freeing map or local storage
bpf: Prepare for bpf_selem_unlink_nofail()
bpf: Remove unused percpu counter from bpf_local_storage_map_free
bpf: Remove cgroup local storage percpu counter
bpf: Remove task local storage percpu counter
bpf: Change local_storage->lock and b->lock to rqspinlock
bpf: Convert bpf_selem_unlink to failable
bpf: Convert bpf_selem_link_map to failable
bpf: Convert bpf_selem_unlink_map to failable
bpf: Select bpf_local_storage_map_bucket based on bpf_local_storage
selftests/xsk: fix number of Tx frags in invalid packet
selftests/xsk: properly handle batch ending in the middle of a packet
bpf: Prevent reentrance into call_rcu_tasks_trace()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"Mostly small cleanups and various scattered annotations and flex array
warning fixes that we reviewed by unlanded in other trees. Introduces
new annotation for expanding counted_by to pointer members, now that
compiler behavior between GCC and Clang has been normalized.
- Various missed __counted_by annotations (Thorsten Blum)
- Various missed -Wflex-array-member-not-at-end fixes (Gustavo A. R.
Silva)
- Avoid leftover tempfiles for interrupted compile-time FORTIFY tests
(Nicolas Schier)
- Remove non-existant CONFIG_UBSAN_REPORT_FULL from docs (Stefan
Wiehler)
- fortify: Use C arithmetic not FIELD_xxx() in FORTIFY_REASON defines
(David Laight)
- Add __counted_by_ptr attribute, tests, and first user (Bill
Wendling, Kees Cook)
- Update MAINTAINERS file to make hardening section not include
pstore"
* tag 'hardening-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
MAINTAINERS: pstore: Remove L: entry
nfp: tls: Avoid -Wflex-array-member-not-at-end warnings
carl9170: Avoid -Wflex-array-member-not-at-end warning
coredump: Use __counted_by_ptr for struct core_name::corename
lkdtm/bugs: Add __counted_by_ptr() test PTR_BOUNDS
compiler_types.h: Attributes: Add __counted_by_ptr macro
fortify: Cleanup temp file also on non-successful exit
fortify: Rename temporary file to match ignore pattern
fortify: Use C arithmetic not FIELD_xxx() in FORTIFY_REASON defines
ecryptfs: Annotate struct ecryptfs_message with __counted_by
fs/xattr: Annotate struct simple_xattr with __counted_by
crypto: af_alg - Annotate struct af_alg_iv with __counted_by
Kconfig.ubsan: Remove CONFIG_UBSAN_REPORT_FULL from documentation
drm/nouveau: fifo: Avoid -Wflex-array-member-not-at-end warning
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The existing allocation of scatterlists in omap_crypto_copy_sg_lists()
was allocating an array of scatterlist pointers, not scatterlist objects,
resulting in a 4x too small allocation.
Use sizeof(*new_sg) to get the correct object size.
Fixes: 74ed87e7e7f7 ("crypto: omap - add base support library for common routines")
Signed-off-by: Kees Cook <kees@kernel.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Fix race condition in hwrng core by using RCU
Algorithms:
- Allow authenc(sha224,rfc3686) in fips mode
- Add test vectors for authenc(hmac(sha384),cbc(aes))
- Add test vectors for authenc(hmac(sha224),cbc(aes))
- Add test vectors for authenc(hmac(md5),cbc(des3_ede))
- Add lz4 support in hisi_zip
- Only allow clear key use during self-test in s390/{phmac,paes}
Drivers:
- Set rng quality to 900 in airoha
- Add gcm(aes) support for AMD/Xilinx Versal device
- Allow tfms to share device in hisilicon/trng"
* tag 'v7.0-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (100 commits)
crypto: img-hash - Use unregister_ahashes in img_{un}register_algs
crypto: testmgr - Add test vectors for authenc(hmac(md5),cbc(des3_ede))
crypto: cesa - Simplify return statement in mv_cesa_dequeue_req_locked
crypto: testmgr - Add test vectors for authenc(hmac(sha224),cbc(aes))
crypto: testmgr - Add test vectors for authenc(hmac(sha384),cbc(aes))
hwrng: core - use RCU and work_struct to fix race condition
crypto: starfive - Fix memory leak in starfive_aes_aead_do_one_req()
crypto: xilinx - Fix inconsistant indentation
crypto: rng - Use unregister_rngs in register_rngs
crypto: atmel - Use unregister_{aeads,ahashes,skciphers}
hwrng: optee - simplify OP-TEE context match
crypto: ccp - Add sysfs attribute for boot integrity
dt-bindings: crypto: atmel,at91sam9g46-sha: add microchip,lan9691-sha
dt-bindings: crypto: atmel,at91sam9g46-aes: add microchip,lan9691-aes
dt-bindings: crypto: qcom,inline-crypto-engine: document the Milos ICE
crypto: caam - fix netdev memory leak in dpaa2_caam_probe
crypto: hisilicon/qm - increase wait time for mailbox
crypto: hisilicon/qm - obtain the mailbox configuration at one time
crypto: hisilicon/qm - remove unnecessary code in qm_mb_write()
crypto: hisilicon/qm - move the barrier before writing to the mailbox register
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library updates from Eric Biggers:
- Add support for verifying ML-DSA signatures.
ML-DSA (Module-Lattice-Based Digital Signature Algorithm) is a
recently-standardized post-quantum (quantum-resistant) signature
algorithm. It was known as Dilithium pre-standardization.
The first use case in the kernel will be module signing. But there
are also other users of RSA and ECDSA signatures in the kernel that
might want to upgrade to ML-DSA eventually.
- Improve the AES library:
- Make the AES key expansion and single block encryption and
decryption functions use the architecture-optimized AES code.
Enable these optimizations by default.
- Support preparing an AES key for encryption-only, using about
half as much memory as a bidirectional key.
- Replace the existing two generic implementations of AES with a
single one.
- Simplify how Adiantum message hashing is implemented. Remove the
"nhpoly1305" crypto_shash in favor of direct lib/crypto/ support for
NH hashing, and enable optimizations by default.
* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (53 commits)
lib/crypto: mldsa: Clarify the documentation for mldsa_verify() slightly
lib/crypto: aes: Drop 'volatile' from aes_sbox and aes_inv_sbox
lib/crypto: aes: Remove old AES en/decryption functions
lib/crypto: aesgcm: Use new AES library API
lib/crypto: aescfb: Use new AES library API
crypto: omap - Use new AES library API
crypto: inside-secure - Use new AES library API
crypto: drbg - Use new AES library API
crypto: crypto4xx - Use new AES library API
crypto: chelsio - Use new AES library API
crypto: ccp - Use new AES library API
crypto: x86/aes-gcm - Use new AES library API
crypto: arm64/ghash - Use new AES library API
crypto: arm/ghash - Use new AES library API
staging: rtl8723bs: core: Use new AES library API
net: phy: mscc: macsec: Use new AES library API
chelsio: Use new AES library API
Bluetooth: SMP: Use new AES library API
crypto: x86/aes - Remove the superseded AES-NI crypto_cipher
lib/crypto: x86/aes: Add AES-NI optimization
...
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Pull documentation updates from Jonathan Corbet:
"A slightly calmer cycle for docs this time around, though there is
still a fair amount going on, including:
- Some signs of life on the long-moribund Japanese translation
- Documentation on policies around the use of generative tools for
patch submissions, and a separate document intended for consumption
by generative tools
- The completion of the move of the documentation tools to
tools/docs. For now we're leaving a /scripts/kernel-doc symlink
behind to avoid breaking scripts
- Ongoing build-system work includes the incorporation of
documentation in Python code, better support for documenting
variables, and lots of improvements and fixes
- Automatic linking of man-page references -- cat(1), for example --
to the online pages in the HTML build
...and the usual array of typo fixes and such"
* tag 'docs-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (107 commits)
doc: development-process: add notice on testing
tools: sphinx-build-wrapper: improve its help message
docs: sphinx-build-wrapper: allow -v override -q
docs: kdoc: Fix pdfdocs build for tools
docs: ja_JP: process: translate 'Obtain a current source tree'
docs: fix 're-use' -> 'reuse' in documentation
docs: ioctl-number: fix a typo in ioctl-number.rst
docs: filesystems: ensure proc pid substitutable is complete
docs: automarkup.py: Skip common English words as C identifiers
Documentation: use a source-read extension for the index link boilerplate
docs: parse_features: make documentation more consistent
docs: add parse_features module documentation
docs: jobserver: do some documentation improvements
docs: add jobserver module documentation
docs: kabi: helpers: add documentation for each "enum" value
docs: kabi: helpers: add helper for debug bits 7 and 8
docs: kabi: system_symbols: end docstring phrases with a dot
docs: python: abi_regex: do some improvements at documentation
docs: python: abi_parser: do some improvements at documentation
docs: add kabi modules documentation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Quirk the broken EFI framebuffer geometry on the Valve Steam Deck
- Capture the EDID information of the primary display also on non-x86
EFI systems when booting via the EFI stub.
* tag 'efi-next-for-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Support EDID information
sysfb: Move edid_info into sysfb_primary_display
sysfb: Pass sysfb_primary_display to devices
sysfb: Replace screen_info with sysfb_primary_display
sysfb: Add struct sysfb_display_info
efi: sysfb_efi: Reduce number of references to global screen_info
efi: earlycon: Reduce number of references to global screen_info
efi: sysfb_efi: Fix efidrmfb and simpledrmfb on Valve Steam Deck
efi: sysfb_efi: Convert swap width and height quirk to a callback
efi: sysfb_efi: Fix lfb_linelength calculation when applying quirks
efi: sysfb_efi: Replace open coded swap with the macro
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- fix running as Xen PVH guest in 32-bit mode without PAE
- fix PV device handling for suspend/resume when running as
a Xen guest
- clean up workqueue usage
- fix the Xen balloon driver for PVH dom0
- introduce the possibility to use hypercalls for console
messages in unprivileged guests
- enable Xen dom0 use of virtio devices in nested virtualization
setups
- simplify the xen-mcelog driver
* tag 'for-linus-7.0-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: Rename helpers to freeze/thaw/restore
xenbus: Use .freeze/.thaw to handle xenbus devices
xen/mcelog: simplify MCE_GETCLEAR_FLAGS using xchg()
xen/balloon: improve accuracy of initial balloon target for dom0
Partial revert "x86/xen: fix balloon target initialization for PVH dom0"
xen: introduce xen_console_io option
xen/virtio: Don't use grant-dma-ops when running as Dom0
x86/xen/pvh: Enable PAE mode for 32-bit guest only when CONFIG_X86_PAE is set
xen: privcmd: WQ_PERCPU added to alloc_workqueue users
xen/events: replace use of system_wq with system_percpu_wq
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"There's a little less than normal, probably due to LPC & Christmas/New
Year meaning that a few series weren't quite ready or reviewed in
time. It's still useful across the board, despite the only real
feature being support for the LS64 feature enabling 64-byte atomic
accesses to endpoints that support it.
ACPI:
- Add interrupt signalling support to the AGDI handler
- Add Catalin and myself to the arm64 ACPI MAINTAINERS entry
CPU features:
- Drop Kconfig options for PAN and LSE (these are detected at runtime)
- Add support for 64-byte single-copy atomic instructions (LS64/LS64V)
- Reduce MTE overhead when executing in the kernel on Ampere CPUs
- Ensure POR_EL0 value exposed via ptrace is up-to-date
- Fix error handling on GCS allocation failure
CPU frequency:
- Add CPU hotplug support to the FIE setup in the AMU driver
Entry code:
- Minor optimisations and cleanups to the syscall entry path
- Preparatory rework for moving to the generic syscall entry code
Hardware errata:
- Work around Spectre-BHB on TSV110 processors
- Work around broken CMO propagation on some systems with the SI-L1
interconnect
Miscellaneous:
- Disable branch profiling for arch/arm64/ to avoid issues with
noinstr
- Minor fixes and cleanups (kexec + ubsan, WARN_ONCE() instead of
WARN_ON(), reduction of boolean expression)
- Fix custom __READ_ONCE() implementation for LTO builds when
operating on non-atomic types
Perf and PMUs:
- Support for CMN-600AE
- Be stricter about supported hardware in the CMN driver
- Support for DSU-110 and DSU-120
- Support for the cycles event in the DSU driver (alongside the
dedicated cycles counter)
- Use IRQF_NO_THREAD instead of IRQF_ONESHOT in the cxlpmu driver
- Use !bitmap_empty() as a faster alternative to bitmap_weight()
- Fix SPE error handling when failing to resume profiling
Selftests:
- Add support for the FORCE_TARGETS option to the arm64 kselftests
- Avoid nolibc-specific my_syscall() function
- Add basic test for the LS64 HWCAP
- Extend fp-pidbench to cover additional workload patterns"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (43 commits)
perf/arm-cmn: Reject unsupported hardware configurations
perf: arm_spe: Properly set hw.state on failures
arm64/gcs: Fix error handling in arch_set_shadow_stack_status()
arm64: Fix non-atomic __READ_ONCE() with CONFIG_LTO=y
arm64: poe: fix stale POR_EL0 values for ptrace
kselftest/arm64: Raise default number of loops in fp-pidbench
kselftest/arm64: Add a no-SVE loop after SVE in fp-pidbench
perf/cxlpmu: Replace IRQF_ONESHOT with IRQF_NO_THREAD
arm64: mte: Set TCMA1 whenever MTE is present in the kernel
arm64/ptrace: Return early for ptrace_report_syscall_entry() error
arm64/ptrace: Split report_syscall()
arm64: Remove unused _TIF_WORK_MASK
kselftest/arm64: Add missing file in .gitignore
arm64: errata: Workaround for SI L1 downstream coherency issue
kselftest/arm64: Add HWCAP test for FEAT_LS64
arm64: Add support for FEAT_{LS64, LS64_V}
KVM: arm64: Enable FEAT_{LS64, LS64_V} in the supported guest
arm64: Provide basic EL2 setup for FEAT_{LS64, LS64_V} usage at EL0/1
KVM: arm64: Handle DABT caused by LS64* instructions on unsupported memory
KVM: arm64: Add documentation for KVM_EXIT_ARM_LDST64B
...
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
- Add missing put_device() in the NuBus driver
- Replace vsprintf() with vsnprintf() on Sun-3
* tag 'm68k-for-v7.0-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: sun3: Replace vsprintf() with bounded vsnprintf()
nubus: Call put_device() in bus initialization error path
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
- Drop support for outdated 3590/3592 and 3480 tape devices, and limit
support to virtualized 3490E types devices
- Implement exception based WARN() and WARN_ONCE() similar to x86
- Slightly optimize preempt primitives like __preempt_count_add() and
__preempt_count_dec_and_test()
- A couple of small fixes and improvements
* tag 's390-7.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (35 commits)
s390/tape: Consolidate tape config options and modules
s390/cio: Fix device lifecycle handling in css_alloc_subchannel()
s390/tape: Rename tape_34xx.c to tape_3490.c
s390/tape: Cleanup sense data analysis and error handling
s390/tape: Remove 3480 tape device type
s390/tape: Remove unused command definitions
s390/tape: Remove special block id handling
s390/tape: Remove tape load display support
s390/tape: Remove support for 3590/3592 models
s390/kexec: Emit an error message when cmdline is too long
s390/configs: Enable BLK_DEV_NULL_BLK as module
s390: Document s390 stackprotector support
s390/perf: Disable register readout on sampling events
s390/Kconfig: Define non-zero ILLEGAL_POINTER_VALUE
s390/bug: Prevent tail-call optimization
s390/bug: Skip __WARN_trap() in call traces
s390/bug: Implement WARN_ONCE()
s390/bug: Implement __WARN_printf()
s390/traps: Copy monitor code to pt_regs
s390/bug: Introduce and use monitor code macro
...
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks
Pull kthread updates from Frederic Weisbecker:
"The kthread code provides an infrastructure which manages the
preferred affinity of unbound kthreads (node or custom cpumask)
against housekeeping (CPU isolation) constraints and CPU hotplug
events.
One crucial missing piece is the handling of cpuset: when an isolated
partition is created, deleted, or its CPUs updated, all the unbound
kthreads in the top cpuset become indifferently affine to _all_ the
non-isolated CPUs, possibly breaking their preferred affinity along
the way.
Solve this with performing the kthreads affinity update from cpuset to
the kthreads consolidated relevant code instead so that preferred
affinities are honoured and applied against the updated cpuset
isolated partitions.
The dispatch of the new isolated cpumasks to timers, workqueues and
kthreads is performed by housekeeping, as per the nice Tejun's
suggestion.
As a welcome side effect, HK_TYPE_DOMAIN then integrates both the set
from boot defined domain isolation (through isolcpus=) and cpuset
isolated partitions. Housekeeping cpumasks are now modifiable with a
specific RCU based synchronization. A big step toward making
nohz_full= also mutable through cpuset in the future"
* tag 'kthread-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks: (33 commits)
doc: Add housekeeping documentation
kthread: Document kthread_affine_preferred()
kthread: Comment on the purpose and placement of kthread_affine_node() call
kthread: Honour kthreads preferred affinity after cpuset changes
sched/arm64: Move fallback task cpumask to HK_TYPE_DOMAIN
sched: Switch the fallback task allowed cpumask to HK_TYPE_DOMAIN
kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management
kthread: Include kthreadd to the managed affinity list
kthread: Include unbound kthreads in the managed affinity list
kthread: Refine naming of affinity related fields
PCI: Remove superfluous HK_TYPE_WQ check
sched/isolation: Remove HK_TYPE_TICK test from cpu_is_isolated()
cpuset: Remove cpuset_cpu_is_isolated()
timers/migration: Remove superfluous cpuset isolation test
cpuset: Propagate cpuset isolation update to timers through housekeeping
cpuset: Propagate cpuset isolation update to workqueue through housekeeping
PCI: Flush PCI probe workqueue on cpuset isolated partition change
sched/isolation: Flush vmstat workqueues on cpuset isolated partition change
sched/isolation: Flush memcg workqueues on cpuset isolated partition change
cpuset: Update HK_TYPE_DOMAIN cpumask from cpuset
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These add support for "slow" (long-term trend) workload type hints to
the Intel int340x thermal driver and selftests (and enable it for
Panther Lake), add support for MT8196 along with DT bindings and for
MT7987 to the Mediatek LVTS thermal driver, add support for RZ/T2H and
RZ/N2H along with DT bindings to the Renesas rzg3e thermal driver, add
support for the Panther Lake, Wildcat Lake and Nova Lake processors to
the intel_tcc_cooling driver, fix bugs, make some cosmetic changes
including code cleanups and library function substitutions, and update
documentation.
Specifics:
- Add Panther Lake, Wildcat Lake and Nova Lake processor IDs to the
list of supported processors in the intel_tcc_cooling thermal
driver (Srinivas Pandruvada)
- Drop unnecessary explicit driver data clearing on removal from the
intel_pch_thermal driver (Kaushlendra Kumar)
- Add support for "slow" workload type hints to the int340x
processor_thermal driver and enable it on the Panther Lake platform
(Srinivas Pandruvada)
- Use sysfs_emit{_at}() in sysfs show functions in Intel thermal
drivers (Thorsten Blum)
- Update the x86_pkg_temp_thermal driver to handle
THERMAL_TEMP_INVALID that can be passed to it via sysfs as expected
(Rafael Wysocki)
- Drop a redundant local variable from the intel_tcc_cooling thermal
driver and fix a kerneldoc comment typo in the TCC library (Sumeet
Pawnikar)
- Fix CFLAGS and LDFLAGS in the pkg-config libthermal template
(Romain Gantois)
- Support multiple temp to raw conversion functions in the Mediatek
LVTS thermal driver and add MT8196 and MT6991 support to it (Laura
Nao)
- Add Mediatek LVTS driver support for MT7987 (Frank Wunderlich)
- Use the existing HZ_PER_MHZ macro on STM32 (Andy Shevchenko)
- Use the existing clamp() macro on BCM2835 (Thorsten Blum)
- Make the reset line optional in order to support new Renesas SoCs
where it is not available and add support for RZ/T2H and RZ/N2H to
the rzg3e thermal driver (Cosmin Tanislav)
- Document RZ/V2N TSU in the r9a09g047-tsu DT bindings (Ovidiu
Panait)
- Fix all kernel-doc warnings in the internal thermal core header
file (Randy Dunlap)
- Fix a device node reference leak in thermal_of_cm_lookup() (Felix
Gu)
- Replace some old-style library function calls with ones that are
currently recommended in several places in the thermal core and
debugfs code (Sumeet Pawnikar, Thorsten Blum)
* tag 'thermal-6.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (34 commits)
drivers: thermal: intel: tcc_cooling: Drop redundant local variable
thermal/of: Fix reference leak in thermal_of_cm_lookup()
thermal: core: thermal_core.h: fix all kernel-doc warnings
thermal: intel: x86_pkg_temp_thermal: Handle invalid temperature
thermal: renesas: rzg3e: add support for RZ/T2H and RZ/N2H
dt-bindings: thermal: r9a09g047-tsu: document RZ/T2H and RZ/N2H
thermal: renesas: rzg3e: make calibration value retrieval per-chip
thermal: renesas: rzg3e: make min and max temperature per-chip
thermal: renesas: rzg3e: make reset optional
dt-bindings: thermal: r9a09g047-tsu: Document RZ/V2N TSU
thermal/drivers/broadcom: Use clamp to simplify bcm2835_thermal_temp2adc
thermal/drivers/stm32: Use predefined HZ_PER_MHZ instead of a custom one
thermal/drivers/mediatek/lvts_thermal: Add mt7987 support
dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for MT7987
dt-bindings: nvmem: mediatek: efuse: Add support for MT8196
thermal/drivers/mediatek/lvts_thermal: Add MT8196 support
thermal/drivers/mediatek/lvts: Support MSR offset for 16-bit calibration data
thermal/drivers/mediatek/lvts: Add support for ATP mode
thermal/drivers/mediatek/lvts: Add lvts_temp_to_raw variant
thermal/drivers/mediatek/lvts: Add platform ops to support alternative conversion logic
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"By the number of commits, cpufreq is the leading party (again) and the
most visible change there is the removal of the omap-cpufreq driver
that has not been used for a long time (good riddance). There are also
quite a few changes in the cppc_cpufreq driver, mostly related to
fixing its frequency invariance engine in the case when the CPPC
registers used by it are not in PCC. In addition to that, support for
AM62L3 is added to the ti-cpufreq driver and the cpufreq-dt-platdev
list is updated for some platforms. The remaining cpufreq changes are
assorted fixes and cleanups.
Next up is cpuidle and the changes there are dominated by intel_idle
driver updates, mostly related to the new command line facility
allowing users to adjust the list of C-states used by the driver.
There are also a few updates of cpuidle governors, including two menu
governor fixes and some refinements of the teo governor, and a
MAINTAINERS update adding Christian Loehle as a cpuidle reviewer.
[Thanks for stepping up Christian!]
The most significant update related to system suspend and hibernation
is the one to stop freezing the PM runtime workqueue during system PM
transitions which allows some deadlocks to be avoided. There is also a
fix for possible concurrent bit field updates in the core device
suspend code and a few other minor fixes.
Apart from the above, several drivers are updated to discard the
return value of pm_runtime_put() which is going to be converted to a
void function as soon as everybody stops using its return value, PL4
support for Ice Lake is added to the Intel RAPL power capping driver,
and there are assorted cleanups, documentation fixes, and some
cpupower utility improvements.
Specifics:
- Remove the unused omap-cpufreq driver (Andreas Kemnade)
- Optimize error handling code in cpufreq_boost_trigger_state() and
make cpufreq_boost_trigger_state() return -EOPNOTSUPP if no policy
supports boost (Lifeng Zheng)
- Update cpufreq-dt-platdev list for tegra, qcom, TI (Aaron Kling,
Dhruva Gole, and Konrad Dybcio)
- Minor improvements to the cpufreq and cpumask rust implementation
(Alexandre Courbot, Alice Ryhl, Tamir Duberstein, and Yilin Chen)
- Add support for AM62L3 SoC to the ti-cpufreq driver (Dhruva Gole)
- Update arch_freq_scale in the CPPC cpufreq driver's frequency
invariance engine (FIE) in scheduler ticks if the related CPPC
registers are not in PCC (Jie Zhan)
- Assorted minor cleanups and improvements in ARM cpufreq drivers
(Juan Martinez, Felix Gu, Luca Weiss, and Sergey Shtylyov)
- Add generic helpers for sysfs show/store to cppc_cpufreq (Sumit
Gupta)
- Make the scaling_setspeed cpufreq sysfs attribute return the actual
requested frequency to avoid confusion (Pengjie Zhang)
- Simplify the idle CPU time granularity test in the ondemand cpufreq
governor (Frederic Weisbecker)
- Enable asym capacity in intel_pstate only when CPU SMT is not
possible (Yaxiong Tian)
- Update the description of rate_limit_us default value in cpufreq
documentation (Yaxiong Tian)
- Add a command line option to adjust the C-states table in the
intel_idle driver, remove the 'preferred_cstates' module parameter
from it, add C-states validation to it and clean it up (Artem
Bityutskiy)
- Make the menu cpuidle governor always check the time till the
closest timer event when the scheduler tick has been stopped to
prevent it from mistakenly selecting the deepest available idle
state (Rafael Wysocki)
- Update the teo cpuidle governor to avoid making suboptimal
decisions in certain corner cases and generally improve idle state
selection accuracy (Rafael Wysocki)
- Remove an unlikely() annotation on the early-return condition in
menu_select() that leads to branch misprediction 100% of the time
on systems with only 1 idle state enabled, like ARM64 servers
(Breno Leitao)
- Add Christian Loehle to MAINTAINERS as a cpuidle reviewer
(Christian Loehle)
- Stop flagging the PM runtime workqueue as freezable to avoid system
suspend and resume deadlocks in subsystems that assume asynchronous
runtime PM to work during system-wide PM transitions (Rafael
Wysocki)
- Drop redundant NULL pointer checks before acomp_request_free() from
the hibernation code handling image saving (Rafael Wysocki)
- Update wakeup_sources_walk_start() to handle empty lists of wakeup
sources as appropriate (Samuel Wu)
- Make dev_pm_clear_wake_irq() check the power.wakeirq value under
power.lock to avoid race conditions (Gui-Dong Han)
- Avoid bit field races related to power.work_in_progress in the core
device suspend code (Xuewen Yan)
- Make several drivers discard pm_runtime_put() return value in
preparation for converting that function to a void one (Rafael
Wysocki)
- Add PL4 support for Ice Lake to the Intel RAPL power capping driver
(Daniel Tang)
- Replace sprintf() with sysfs_emit() in power capping sysfs show
functions (Sumeet Pawnikar)
- Make dev_pm_opp_get_level() return value match the documentation
after a previous update of the latter (Aleks Todorov)
- Use scoped for each OF child loop in the OPP code (Krzysztof
Kozlowski)
- Fix a bug in an example code snippet and correct typos in the
energy model management documentation (Patrick Little)
- Fix miscellaneous problems in cpupower (Kaushlendra Kumar):
* idle_monitor: Fix incorrect value logged after stop
* Fix inverted APERF capability check
* Use strcspn() to strip trailing newline
* Reset errno before strtoull()
* Show C0 in idle-info dump
- Improve cpupower installation procedure by making the systemd step
optional and allowing users to disable the installation of
systemd's unit file (João Marcos Costa)"
* tag 'pm-6.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (65 commits)
PM: sleep: core: Avoid bit field races related to work_in_progress
PM: sleep: wakeirq: harden dev_pm_clear_wake_irq() against races
cpufreq: Documentation: Update description of rate_limit_us default value
cpufreq: intel_pstate: Enable asym capacity only when CPU SMT is not possible
PM: wakeup: Handle empty list in wakeup_sources_walk_start()
PM: EM: Documentation: Fix bug in example code snippet
Documentation: Fix typos in energy model documentation
cpuidle: governors: teo: Refine intercepts-based idle state lookup
cpuidle: governors: teo: Adjust the classification of wakeup events
cpufreq: ondemand: Simplify idle cputime granularity test
cpufreq: userspace: make scaling_setspeed return the actual requested frequency
PM: hibernate: Drop NULL pointer checks before acomp_request_free()
cpufreq: CPPC: Add generic helpers for sysfs show/store
cpufreq: scmi: Fix device_node reference leak in scmi_cpu_domain_id()
cpufreq: ti-cpufreq: add support for AM62L3 SoC
cpufreq: dt-platdev: Add ti,am62l3 to blocklist
cpufreq/amd-pstate: Add comment explaining nominal_perf usage for performance policy
cpufreq: scmi: correct SCMI explanation
cpufreq: dt-platdev: Block the driver from probing on more QC platforms
rust: cpumask: rename methods of Cpumask for clarity and consistency
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"This one is significantly larger than previous ACPI support pull
requests because several significant updates have coincided in it.
First, there is a routine ACPICA code update, to upstream version
20251212, but this time it covers new ACPI 6.6 material that has not
been covered yet. Among other things, it includes definitions of a few
new ACPI tables and updates of some others, like the GICv5 MADT
structures and ARM IORT IWB node definitions that are used for adding
GICv5 ACPI probing on ARM (that technically is IRQ subsystem material,
but it depends on the ACPICA changes, so it is included here). The
latter alone adds a few hundred lines of new code.
Second, there is an update of ACPI _OSC handling including a fix that
prevents failures from occurring in some corner cases due to careless
handling of _OSC error bits.
On top of that, the "system resource" ACPI device objects with the
PNP0C01 and PNP0C02 are now going to be handled by the ACPI core
device enumeration code instead of handing them over to the legacy PNP
system driver which causes device enumeration issues to occur. Some of
those issues have been worked around in device drivers and elsewhere
and those workarounds should not be necessary any more, so they are
going away.
Moreover, the time has come to convert all "core ACPI" device drivers
that were still using struct acpi_driver objects for device binding
into proper platform drivers that use struct platform_driver for this
purpose. These updates are accompanied by some requisite core ACPI
device enumeration code changes.
Next, there are ACPI APEI updates, including changes to avoid excess
overhead in the NMI handler and in SEA on the ARM side, changes to
unify ACPI-based HW error tracing and logging, and changes to prevent
APEI code from reaching out of its allocated memory.
There are also some ACPI power management updates, mostly related to
the ACPI cpuidle support in the processor driver, suspend-to-idle
handling on systems with ACPI support and to ACPI PM of devices.
In addition to the above, bugs are fixed and the code is cleaned up in
assorted places all over.
Specifics:
- Update the ACPICA code in the kernel to upstream version 20251212
which includes the following changes:
* Add support for new ACPI table DTPR (Michal Camacho Romero)
* Release objects with acpi_ut_delete_object_desc() (Zilin Guan)
* Add UUIDs for Microsoft fan extensions and UUIDs associated with
TPM 2.0 devices (Armin Wolf)
* Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
(Alexey Simakov)
* Add KEYP ACPI table definition (Dave Jiang)
* Add support for the Microsoft display mux _OSI string (Armin
Wolf)
* Add definitions for the IOVT ACPI table (Xianglai Li)
* Abort AML bytecode execution on AML_FATAL_OP (Armin Wolf)
* Include all fields in subtable type1 for PPTT (Ben Horgan)
* Add GICv5 MADT structures and Arm IORT IWB node definitions
(Jose Marinho)
* Update Parameter Block structure for RAS2 and add a new flag in
Memory Affinity Structure for SRAT (Pawel Chmielewski)
* Add _VDM (Voltage Domain) object (Pawel Chmielewski)
- Add support for GICv5 ACPI probing on ARM which is based on the
GICv5 MADT structures and ARM IORT IWB node definitions recently
added to ACPICA (Lorenzo Pieralisi)
- Rework ACPI PM notification setup for PCI root buses and modify the
ACPI PM setup for devices to register wakeup source objects under
physical (that is, PCI, platform, etc.) devices instead of doing
that under their ACPI companions (Rafael Wysocki)
- Adjust debug messages regarding postponed ACPI PM printed during
system resume to be more accurate (Rafael Wysocki)
- Remove dead code from lps0_device_attach() (Gergo Koteles)
- Start to invoke Microsoft Function 9 (Turn On Display) of the Low-
Power S0 Idle (LPS0) _DSM in the suspend-to-idle resume flow on
systems with ACPI LPS0 support to address a functional issue on
Lenovo Yoga Slim 7i Aura (15ILL9), where system fans and keyboard
backlights fail to resume after suspend (Jakob Riemenschneider)
- Add sysfs attribute cid for exposing _CID lists under ACPI device
objects (Rafael Wysocki)
- Replace sprintf() with sysfs_emit() in all of the core ACPI sysfs
interface code (Sumeet Pawnikar)
- Use acpi_get_local_u64_address() in the code implementing ACPI
support for PCI to evaluate _ADR instead of evaluating that object
directly (Andy Shevchenko)
- Add JWIPC JVC9100 to irq1_level_low_skip_override[] to unbreak
serial IRQs on that system (Ai Chao)
- Fix handling of _OSC errors in acpi_run_osc() to avoid failures on
systems where _OSC error bits are set even though the _OSC return
buffer contains acknowledged feature bits (Rafael Wysocki)
- Clean up and rearrange \_SB._OSC handling for general platform
features and USB4 features to avoid code duplication and
unnecessary memory management overhead (Rafael Wysocki)
- Make the ACPI core device enumeration code handle PNP0C01 and
PNP0C02 ("system resource") device objects directly instead of
letting the legacy PNP system driver handle them to avoid device
enumeration issues on systems where PNP0C02 is present in the _CID
list under ACPI device objects with a _HID matching a proper device
driver in Linux (Rafael Wysocki)
- Drop workarounds for the known device enumeration issues related to
_CID lists containing PNP0C02 (Rafael Wysocki)
- Drop outdated comment regarding removed function in the ACPI-based
device enumeration code (Julia Lawall)
- Make PRP0001 device matching work as expected for ACPI device
objects using it as a _HID for board development and similar
purposes (Kartik Rajput)
- Use async schedule function in acpi_scan_clear_dep_fn() to avoid
races with user space initialization on some systems (Yicong Yang)
- Add a piece of documentation explaining why binding drivers
directly to ACPI device objects is not a good idea in general and
why it is desirable to convert drivers doing so into proper
platform drivers that use struct platform_driver for device binding
(Rafael Wysocki)
- Convert multiple "core ACPI" drivers, including the NFIT ACPI
device driver, the generic ACPI button drivers, the generic ACPI
thermal zone driver, the ACPI hardware event device (HED) driver,
the ACPI EC driver, the ACPI SMBUS HC driver, the ACPI Smart
Battery Subsystem (SBS) driver, and the ACPI backlight (video)
driver to proper platform drivers that use struct platform_driver
for device binding (Rafael Wysocki)
- Use acpi_get_local_u64_address() in the ACPI backlight (video)
driver to evaluate _ADR instead of evaluating that object directly
(Andy Shevchenko)
- Convert the generic ACPI battery driver to a proper platform driver
using struct platform_driver for device binding (Rafael Wysocki)
- Fix incorrect charging status when current is zero in the generic
ACPI battery driver (Ata İlhan Köktürk)
- Use LIST_HEAD() for initializing a stack-allocated list in the
generic ACPI watchdog device driver (Can Peng)
- Rework the ACPI idle driver initialization to register it directly
from the common initialization code instead of doing that from a
CPU hotplug "online" callback and clean it up (Huisong Li, Rafael
Wysocki)
- Fix a possible NULL pointer dereference in
acpi_processor_errata_piix4() (Tuo Li)
- Make read-only array non_mmio_desc[] static const (Colin Ian King)
- Prevent the APEI GHES support code on ARM from accessing memory out
of bounds or going past the ARM processor CPER record buffer (Mauro
Carvalho Chehab)
- Prevent cper_print_fw_err() from dumping the entire memory on
systems with defective firmware (Mauro Carvalho Chehab)
- Improve ghes_notify_nmi() status check to avoid unnecessary
overhead in the NMI handler by carrying out all of the requisite
preparations and the NMI registration time (Tony Luck)
- Refactor the GHES driver by extracting common functionality into
reusable helper functions to reduce code duplication and improve
the ghes_notify_sea() status check in analogy with the previous
ghes_notify_nmi() status check improvement (Shuai Xue)
- Make ELOG and GHES log and trace consistently and support the CPER
CXL protocol analogously (Fabio De Francesco)
- Disable KASAN instrumentation in the APEI GHES driver when compile
testing with clang < 18 (Nathan Chancellor)
- Let ghes_edac be the preferred driver to load on __ZX__ and _BYO_
systems by extending the platform detection list in the APEI GHES
driver (Tony W Wang-oc)
- Clean up cppc_perf_caps and cppc_perf_ctrls structs and rename EPP
constants for clarity in the ACPI CPPC library (Sumit Gupta)"
* tag 'acpi-6.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (117 commits)
ACPI: battery: fix incorrect charging status when current is zero
ACPI: scan: Use async schedule function in acpi_scan_clear_dep_fn()
ACPI: x86: s2idle: Invoke Microsoft _DSM Function 9 (Turn On Display)
ACPI: APEI: GHES: Add ghes_edac support for __ZX__ and _BYO_ systems
ACPI: APEI: GHES: Disable KASAN instrumentation when compile testing with clang < 18
ACPI: sysfs: Replace sprintf() with sysfs_emit()
ACPI: CPPC: Rename EPP constants for clarity
ACPI: CPPC: Clean up cppc_perf_caps and cppc_perf_ctrls structs
ACPI: processor: idle: Rework the handling of acpi_processor_ffh_lpi_probe()
ACPI: processor: idle: Convert acpi_processor_setup_cpuidle_dev() to void
ACPI: processor: idle: Convert acpi_processor_setup_cpuidle_states() to void
irqchip/gic-v5: Add ACPI IWB probing
irqchip/gic-v5: Add ACPI ITS probing
irqchip/gic-v5: Add ACPI IRS probing
irqchip/gic-v5: Split IRS probing into OF and generic portions
PCI/MSI: Make the pci_msi_map_rid_ctlr_node() interface firmware agnostic
irqdomain: Add parent field to struct irqchip_fwid
ACPI: PCI: simplify code with acpi_get_local_u64_address()
ACPI: video: simplify code with acpi_get_local_u64_address()
ACPI: PM: Adjust messages regarding postponed ACPI PM
...
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- Support for batch request processing for ublk, improving the
efficiency of the kernel/ublk server communication. This can yield
nice 7-12% performance improvements
- Support for integrity data for ublk
- Various other ublk improvements and additions, including a ton of
selftests additions and updated
- Move the handling of blk-crypto software fallback from below the
block layer to above it. This reduces the complexity of dealing with
bio splitting
- Series fixing a number of potential deadlocks in blk-mq related to
the queue usage counter and writeback throttling and rq-qos debugfs
handling
- Add an async_depth queue attribute, to resolve a performance
regression that's been around for a qhilw related to the scheduler
depth handling
- Only use task_work for IOPOLL completions on NVMe, if it is necessary
to do so. An earlier fix for an issue resulted in all these
completions being punted to task_work, to guarantee that completions
were only run for a given io_uring ring when it was local to that
ring. With the new changes, we can detect if it's necessary to use
task_work or not, and avoid it if possible.
- rnbd fixes:
- Fix refcount underflow in device unmap path
- Handle PREFLUSH and NOUNMAP flags properly in protocol
- Fix server-side bi_size for special IOs
- Zero response buffer before use
- Fix trace format for flags
- Add .release to rnbd_dev_ktype
- MD pull requests via Yu Kuai
- Fix raid5_run() to return error when log_init() fails
- Fix IO hang with degraded array with llbitmap
- Fix percpu_ref not resurrected on suspend timeout in llbitmap
- Fix GPF in write_page caused by resize race
- Fix NULL pointer dereference in process_metadata_update
- Fix hang when stopping arrays with metadata through dm-raid
- Fix any_working flag handling in raid10_sync_request
- Refactor sync/recovery code path, improve error handling for
badblocks, and remove unused recovery_disabled field
- Consolidate mddev boolean fields into mddev_flags
- Use mempool to allocate stripe_request_ctx and make sure
max_sectors is not less than io_opt in raid5
- Fix return value of mddev_trylock
- Fix memory leak in raid1_run()
- Add Li Nan as mdraid reviewer
- Move phys_vec definitions to the kernel types, mostly in preparation
for some VFIO and RDMA changes
- Improve the speed for secure erase for some devices
- Various little rust updates
- Various other minor fixes, improvements, and cleanups
* tag 'for-7.0/block-20260206' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (162 commits)
blk-mq: ABI/sysfs-block: fix docs build warnings
selftests: ublk: organize test directories by test ID
block: decouple secure erase size limit from discard size limit
block: remove redundant kill_bdev() call in set_blocksize()
blk-mq: add documentation for new queue attribute async_dpeth
block, bfq: convert to use request_queue->async_depth
mq-deadline: covert to use request_queue->async_depth
kyber: covert to use request_queue->async_depth
blk-mq: add a new queue sysfs attribute async_depth
blk-mq: factor out a helper blk_mq_limit_depth()
blk-mq-sched: unify elevators checking for async requests
block: convert nr_requests to unsigned int
block: don't use strcpy to copy blockdev name
blk-mq-debugfs: warn about possible deadlock
blk-mq-debugfs: add missing debugfs_mutex in blk_mq_debugfs_register_hctxs()
blk-mq-debugfs: remove blk_mq_debugfs_unregister_rqos()
blk-mq-debugfs: make blk_mq_debugfs_register_rqos() static
blk-rq-qos: fix possible debugfs_mutex deadlock
blk-mq-debugfs: factor out a helper to register debugfs for all rq_qos
blk-wbt: fix possible deadlock to nest pcpu_alloc_mutex under q_usage_counter
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen.
* tag 'tpmdd-next-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: st33zp24: Fix missing cleanup on get_burstcount() error
tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Subsystem:
- add sysfs entry and attribute for Device NACK Retry count
Drivers:
- dw: Device NACK Retry configuration knob
- mipi-i3c-hci: support multi-bus instances, runtime PM, and suspend
- renesas: suspend/resume support"
* tag 'i3c/for-6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (52 commits)
i3c: dw-i3c-master: fix SIR reject bit mapping for dynamic addresses
i3c: dw-i3c-master: convert spinlock usage to scoped guards
i3c: dw: Fix memory leak in dw_i3c_master_i2c_xfers()
i3c: mipi-i3c-hci-pci: Add System Suspend support
i3c: mipi-i3c-hci: Add optional System Suspend support
i3c: master: Add i3c_master_do_daa_ext() for post-hibernation address recovery
i3c: dw: Initialize spinlock to avoid upsetting lockdep
i3c: mipi-i3c-hci-pci: Add Runtime PM support
i3c: mipi-i3c-hci: Add optional Runtime PM support
i3c: master: Introduce optional Runtime PM support
i3c: mipi-i3c-hci: Factor out master dynamic address setting into helper
i3c: mipi-i3c-hci: Allow core re-initialization for Runtime PM support
i3c: mipi-i3c-hci: Factor out core initialization into helper
i3c: mipi-i3c-hci: Factor out IO mode setting into helper
i3c: mipi-i3c-hci: Factor out software reset into helper
i3c: mipi-i3c-hci: Add PIO suspend and resume support
i3c: mipi-i3c-hci: Refactor PIO register initialization
i3c: mipi-i3c-hci: Add DMA suspend and resume support
i3c: mipi-i3c-hci: Extract ring initialization from hci_dma_init()
i3c: mipi-i3c-hci: Introduce helper to restore DAT
...
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git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay
Pull auxdisplay updates from Andy Shevchenko:
- A good refactoring of arm-charlcd to use modern kernel APIs
* tag 'auxdisplay-v6.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay:
auxdisplay: max6959: Replace slab.h with device/devres.h
auxdisplay: arm-charlcd: Remove redundant ternary operators
auxdisplay: arm-charlcd: Join string literals back
auxdisplay: arm-charlcd: Use readl_poll_timeout
auxdisplay: arm-charlcd: Don't use "proxy" headers
auxdisplay: arm-charlcd: drop of_match_ptr()
auxdisplay: arm-charlcd: Remove unneeded info message
auxdisplay: arm-charlcd: convert to use device managed APIs
auxdisplay: arm-charlcd: fix release_mem_region() size
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'ras/edac-amd-atl' into edac-updates
* ras/edac-drivers:
EDAC/r82600: Remove this obsolete driver
EDAC/i82443bxgx: Remove driver that has been marked broken since 2007
EDAC/igen6: Add more Intel Panther Lake-H SoCs support
EDAC/igen6: Make masks of {MCHBAR, TOM, TOUUD, ECC_ERROR_LOG} configurable
EDAC/igen6: Add two Intel Amston Lake SoCs support
EDAC/i5400: Fix snprintf() limit calculation in calculate_dimm_size()
EDAC/i5000: Fix snprintf() size calculation in calculate_dimm_size()
* ras/edac-misc:
EDAC/amd64: Avoid a -Wformat-security warning
* ras/edac-amd-atl:
RAS/AMD/ATL: Remove an unneeded semicolon
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
- imx: preserve error state during SMBus block read length handling
* tag 'i2c-for-6.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: imx: preserve error state in block data length handler
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"One final batch of fixes for the Tegra SPI drivers, the main one is a
batch of fixes for races with the interrupts in the Tegra210 QSPI
driver that Breno has been working on for a while"
* tag 'spi-fix-v6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: tegra114: Preserve SPI mode bits in def_command1_reg
spi: tegra: Fix a memory leak in tegra_slink_probe()
spi: tegra210-quad: Protect curr_xfer check in IRQ handler
spi: tegra210-quad: Protect curr_xfer clearing in tegra_qspi_non_combined_seq_xfer
spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer
spi: tegra210-quad: Protect curr_xfer assignment in tegra_qspi_setup_transfer_one
spi: tegra210-quad: Move curr_xfer read inside spinlock
spi: tegra210-quad: Return IRQ_HANDLED when timeout already processed transfer
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"One last fix for v6.19: the voltages for the SpaceMIT P1 were not
described correctly"
* tag 'regulator-fix-v6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: spacemit-p1: Fix n_voltages for BUCK and LDO regulators
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull binder fixes from Greg KH:
"Here are some small, last-minute binder C and Rust driver fixes for
reported issues. They include a number of fixes for reported crashes
and other problems.
All of these have been in linux-next this week, and longer"
* tag 'char-misc-6.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binderfs: fix ida_alloc_max() upper bound
rust_binderfs: fix ida_alloc_max() upper bound
binder: fix BR_FROZEN_REPLY error log
rust_binder: add additional alignment checks
binder: fix UAF in binder_netlink_report()
rust_binder: correctly handle FDA objects of length zero
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Replace the for loops with calls to crypto_unregister_ahashes(). In
img_register_algs(), return 'err' immediately and remove the goto
statement to simplify the error handling code.
Convert img_unregister_algs() to a void function since its return value
is never used.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add more code to debug the PAT PDC firmware.
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Pull ceph fixes from Ilya Dryomov:
"One RBD and two CephFS fixes which address potential oopses.
The RBD thing is more of a rare edge case that pops up in our CI,
while the two CephFS scenarios are regressions that were reported by
users and can be triggered trivially in normal operation. All marked
for stable"
* tag 'ceph-for-6.19-rc9' of https://github.com/ceph/ceph-client:
ceph: fix NULL pointer dereference in ceph_mds_auth_match()
ceph: fix oops due to invalid pointer for kfree() in parse_longname()
rbd: check for EOD after exclusive lock is ensured to be held
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git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu fix from Joerg Roedel:
- Fix wrong definition of PASID_FLAG_PWSNP bit. This caused DMAR errors
on Arrow Lake platforms.
* tag 'iommu-fix-v6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/vt-d: Treat PAGE_SNOOP and PWSNP separately
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
- imx:
- Fix system wakeup support for imx8mp power domains
- Fix potential out-of-range access for imx8m power domains
- Fix the imx8mm gpu hang
- qcom: Fix off-by-one error for highest state in rpmpd
* tag 'pmdomain-v6.19-rc3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: imx8mp-blk-ctrl: Keep usb phy power domain on for system wakeup
pmdomain: imx8mp-blk-ctrl: Keep gpc power domain on for system wakeup
pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains
pmdomain: imx: gpcv2: Fix the imx8mm gpu hang due to wrong adb400 reset
pmdomain: qcom: rpmpd: fix off-by-one error in clamping to the highest state
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix incorrect retval check in gpio-loongson-64bit
- fix GPIO counting with ACPI
* tag 'gpio-fixes-for-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()
gpiolib: acpi: Fix gpio count with string references
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. It became a bit larger than wished, but
all of them are device-specific small fixes, and it should be still
fairly safe to take at the last minute.
Included are a few quirks and fixes for Intel, AMD, HD-audio, and
USB-audio, as well as a race fix in aloop driver and corrections of
Cirrus firmware kunit test"
* tag 'sound-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Enable headset mic for Acer Nitro 5
ASoC: fsl_xcvr: fix missing lock in fsl_xcvr_mode_put()
ASoC: dt-bindings: ti,tlv320aic3x: Add compatible string ti,tlv320aic23
ASoC: amd: fix memory leak in acp3x pdm dma ops
ALSA: usb-audio: fix broken logic in snd_audigy2nx_led_update()
ALSA: aloop: Fix racy access at PCM trigger
ASoC: rt1320: fix intermittent no-sound issue
ASoC: SOF: Intel: use hdev->info.link_mask directly
firmware: cs_dsp: rate-limit log messages in KUnit builds
ASoC: amd: yc: Add quirk for HP 200 G2a 16
ASoC: cs42l43: Correct handling of 3-pole jack load detection
ASoC: Intel: sof_es8336: Add DMI quirk for Huawei BOD-WXX9
ASoC: sof_sdw: Add a quirk for Lenovo laptop using sidecar amps with cs42l43
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Return the result of calling crypto_dequeue_request() directly and
remove the local return variable.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently, hwrng_fill is not cleared until the hwrng_fillfn() thread
exits. Since hwrng_unregister() reads hwrng_fill outside the rng_mutex
lock, a concurrent hwrng_unregister() may call kthread_stop() again on
the same task.
Additionally, if hwrng_unregister() is called immediately after
hwrng_register(), the stopped thread may have never been executed. Thus,
hwrng_fill remains dirty even after hwrng_unregister() returns. In this
case, subsequent calls to hwrng_register() will fail to start new
threads, and hwrng_unregister() will call kthread_stop() on the same
freed task. In both cases, a use-after-free occurs:
refcount_t: addition on 0; use-after-free.
WARNING: ... at lib/refcount.c:25 refcount_warn_saturate+0xec/0x1c0
Call Trace:
kthread_stop+0x181/0x360
hwrng_unregister+0x288/0x380
virtrng_remove+0xe3/0x200
This patch fixes the race by protecting the global hwrng_fill pointer
inside the rng_mutex lock, so that hwrng_fillfn() thread is stopped only
once, and calls to kthread_run() and kthread_stop() are serialized
with the lock held.
To avoid deadlock in hwrng_fillfn() while being stopped with the lock
held, we convert current_rng to RCU, so that get_current_rng() can read
current_rng without holding the lock. To remove the lock from put_rng(),
we also delay the actual cleanup into a work_struct.
Since get_current_rng() no longer returns ERR_PTR values, the IS_ERR()
checks are removed from its callers.
With hwrng_fill protected by the rng_mutex lock, hwrng_fillfn() can no
longer clear hwrng_fill itself. Therefore, if hwrng_fillfn() returns
directly after current_rng is dropped, kthread_stop() would be called on
a freed task_struct later. To fix this, hwrng_fillfn() calls schedule()
now to keep the task alive until being stopped. The kthread_stop() call
is also moved from hwrng_unregister() to drop_current_rng(), ensuring
kthread_stop() is called on all possible paths where current_rng becomes
NULL, so that the thread would not wait forever.
Fixes: be4000bc4644 ("hwrng: create filler thread")
Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Lianjie Wang <karin0.zst@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The starfive_aes_aead_do_one_req() function allocates rctx->adata with
kzalloc() but fails to free it if sg_copy_to_buffer() or
starfive_aes_hw_init() fails, which lead to memory leaks.
Since rctx->adata is unconditionally freed after the write_adata
operations, ensure consistent cleanup by freeing the allocation in these
earlier error paths as well.
Compile tested only. Issue found using a prototype static analysis tool
and code review.
Fixes: 7467147ef9bf ("crypto: starfive - Use dma for aes requests")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix smatch inconsistant code warning.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601251908.baMDVVgW-lkp@intel.com/
Signed-off-by: Harsh Jain <h.jain@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace multiple for loops with calls to crypto_unregister_aeads(),
crypto_unregister_ahashes(), and crypto_unregister_skciphers().
Remove the definition of atmel_tdes_unregister_algs() because it is
equivalent to calling crypto_unregister_skciphers() directly, and the
function parameter 'struct atmel_tdes_dev *' is unused anyway.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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