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b507535474
1300647 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
b507535474 |
Miscellaneous updates for x86:
- Rework kcpuid to handle the the autogenerated CSV file correctly and
update the CSV file to cover the whole zoo of CPUID.
- Avoid memcpy() for ia32 syscall_get_arguments() and use direct
assignments as fortified memcpy() is unhappy about writing/reading
beyond the end of the addresses destination/source struct member
- A few new PCI IDs for AMD
- Update MAINTAINERS to cover x86 specific selftests
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Merge tag 'x86-misc-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Thomas Gleixner:
- Rework kcpuid to handle the the autogenerated CSV file correctly and
update the CSV file to cover the whole zoo of CPUID.
- Avoid memcpy() for ia32 syscall_get_arguments() and use direct
assignments as fortified memcpy() is unhappy about writing/reading
beyond the end of the addresses destination/source struct member
- A few new PCI IDs for AMD
- Update MAINTAINERS to cover x86 specific selftests
* tag 'x86-misc-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Add selftests/x86 entry
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h-70h
x86/syscall: Avoid memcpy() for ia32 syscall_get_arguments()
MAINTAINERS: Add x86 cpuid database entry
tools/x86/kcpuid: Introduce a complete cpuid bitfields CSV file
tools/x86/kcpuid: Parse subleaf ranges if provided
tools/x86/kcpuid: Recognize all leaves with subleaves
tools/x86/kcpuid: Strip bitfield names leading/trailing whitespace
tools/x86/kcpuid: Protect against faulty "max subleaf" values
tools/x86/kcpuid: Set max possible subleaves count to 64
tools/x86/kcpuid: Properly align long-description columns
tools/x86/kcpuid: Remove unused variable
x86/amd_nb: Add new PCI IDs for AMD family 1Ah model 60h
|
||
|
Linus Torvalds
|
a3233da6c0 |
Remove a stale declaration from the UV platform code
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||
|
Linus Torvalds
|
70f43ea3a3 |
Updates for x86 memory management:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using tagged
pointers. Cure it by synchronizing LAM enablement via IPIs to all CPUs
which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys for
the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to prevent
kexec fails because the new kernel cannot access the config table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
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Merge tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 memory management updates from Thomas Gleixner:
- Make LAM enablement safe vs. kernel threads using a process mm
temporarily as switching back to the process would not update CR3 and
therefore not enable LAM causing faults in user space when using
tagged pointers. Cure it by synchronizing LAM enablement via IPIs to
all CPUs which use the related mm.
- Cure a LAM harmless inconsistency between CR3 and the state during
context switch. It's both confusing and prone to lead to real bugs
- Handle alt stack handling for threads which run with a non-zero
protection key. The non-zero key prevents the kernel to access the
alternate stack. Cure it by temporarily enabling all protection keys
for the alternate stack setup/restore operations.
- Provide a EFI config table identity mapping for kexec kernel to
prevent kexec fails because the new kernel cannot access the config
table array
- Use GB pages only when a full GB is mapped in the identity map as
otherwise the CPU can speculate into reserved areas after the end of
memory which causes malfunction on UV systems.
- Remove the noisy and pointless SRAT table dump during boot
- Use is_ioremap_addr() for iounmap() address range checks instead of
high_memory. is_ioremap_addr() is more precise.
* tag 'x86-mm-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioremap: Improve iounmap() address range checks
x86/mm: Remove duplicate check from build_cr3()
x86/mm: Remove unused NX related declarations
x86/mm: Remove unused CR3_HW_ASID_BITS
x86/mm: Don't print out SRAT table information
x86/mm/ident_map: Use gbpages only where full GB page should be mapped.
x86/kexec: Add EFI config table identity mapping for kexec kernel
selftests/mm: Add new testcases for pkeys
x86/pkeys: Restore altstack access in sigreturn()
x86/pkeys: Update PKRU to enable all pkeys before XSAVE
x86/pkeys: Add helper functions to update PKRU on the sigframe
x86/pkeys: Add PKRU as a parameter in signal handling functions
x86/mm: Cleanup prctl_enable_tagged_addr() nr_bits error checking
x86/mm: Fix LAM inconsistency during context switch
x86/mm: Use IPIs to synchronize LAM enablement
|
||
|
Linus Torvalds
|
b136021126 |
Updates for x86 FRED:
- Enable FRED right after init_mem_mapping() because at that point the
early IDT fault handler is replaced by the real fault handler. The real
fault handler retrieves the faulting address from the stack frame and
not from CR2 when the FRED feature is set. But that obviously only
works when FRED is enabled in the CPU as well.
- Set SS to __KERNEL_DS when enabling FRED to prevent a corner case where
ERETS can observe a SS mismatch and raises a #GP.
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Merge tag 'x86-fred-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FRED updates from Thomas Gleixner:
- Enable FRED right after init_mem_mapping() because at that point the
early IDT fault handler is replaced by the real fault handler. The
real fault handler retrieves the faulting address from the stack
frame and not from CR2 when the FRED feature is set. But that
obviously only works when FRED is enabled in the CPU as well.
- Set SS to __KERNEL_DS when enabling FRED to prevent a corner case
where ERETS can observe a SS mismatch and raises a #GP.
* tag 'x86-fred-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry: Set FRED RSP0 on return to userspace instead of context switch
x86/msr: Switch between WRMSRNS and WRMSR with the alternatives mechanism
x86/entry: Test ti_work for zero before processing individual bits
x86/fred: Set SS to __KERNEL_DS when enabling FRED
x86/fred: Enable FRED right after init_mem_mapping()
x86/fred: Move FRED RSP initialization into a separate function
x86/fred: Parse cmdline param "fred=" in cpu_parse_early_param()
|
||
|
Linus Torvalds
|
c3056a7d14 |
Provide FPU buffer layout in core dumps:
Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbpOuwTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoTRAEACGHPdAYFp5A396c9qUbHUE2gEKIad2 iuq15TZKLPY/LFqfTwnkp9/nqKtZ0gj4D6XCIucWZjwWJuPgvgGf/tC9Fk+H+C6X 9+rycP3GdqxU28qLxA428SN2Pg3lvqG4rryVWeHUXQ4x8A0DSMV+3pkNY5YgJ+2+ fTzNzVi2tkPRAXhKmj3EdcFcgDPiFQBMm1QNBpc+FqrXk4rjJb9Axln0oT8xemDv TtJ5BMhFpR73naaiS4IrK8Tk3oFCa8CmafCQfl1zAOor/+EemPQKwMuGeiXE7dLG eE+OTw5zuxYwlc9WoaPmM/ZiEc5JptpHQUtyHDBN7BaK87VKjsupAXXVOh6XMRCt R2coqq7fqDqMANwWpUKddky3vSwbst1GZpXGAENOy64yU4VoFutr616WSj3sJfUi knBauPqLAFeZLhMn/kKr5a0rBgm7VuQSlGPYEhqVdaM3Eb/zJEupFL/bTpqQbbz/ 8lo2hYcfDslhShcEZYBwm4eUg+ytZ96K3ciZ5YgNih9LFBxEOo0SY1CqbQJiRtpB 3DmgldYtzRdQq5/JtFGNv717uMESn5khG3qHUpXtrDhWfD8spMWiY1yO/cwWvLFJ ZS5ATp1dAt1Pbv2MC6r9jQBbW3V7xNNAOJdzUvIZPP04PKeV0ObFOplxhabOzUDj OLquyIrjpxeisg== =Vqqo -----END PGP SIGNATURE----- Merge tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fpu updates from Thomas Gleixner: "Provide FPU buffer layout in core dumps: Debuggers have guess the FPU buffer layout in core dumps, which is error prone. This is because AMD and Intel layouts differ. To avoid buggy heuristics add a ELF section which describes the buffer layout which can be retrieved by tools" * tag 'x86-fpu-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/elf: Add a new FPU buffer layout info to x86 core files |
||
|
Linus Torvalds
|
dea435d397 |
Enable UBSAN traps for x86, which provides better reporting through
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||
|
Linus Torvalds
|
61d1ea914b |
Updates for the x86 APIC code:
- Handle an allocation failure in the IO/APIC code gracefully instead of
crashing the machine.
- Remove support for APIC local destination mode on 64bit
Logical destination mode of the local APIC is used for systems with up
to 8 CPUs. It has an advantage over physical destination mode as it
allows to target multiple CPUs at once with IPIs. That advantage was
definitely worth it when systems with up to 8 CPUs were state of the
art for servers and workstations, but that's history.
In the recent past there were quite some reports of new laptops failing
to boot with logical destination mode, but they work fine with physical
destination mode. That's not a suprise because physical destination
mode is guaranteed to work as it's the only way to get a CPU up and
running via the INIT/INIT/STARTUP sequence. Some of the affected
systems were cured by BIOS updates, but not all OEMs provide them.
As the number of CPUs keep increasing, logical destination mode becomes
less used and the benefit for small systems, like laptops, is not
really worth the trouble. So just remove logical destination mode
support for 64bit and be done with it.
- Code and comment cleanups in the APIC area.
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Merge tag 'x86-apic-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 APIC updates from Thomas Gleixner:
- Handle an allocation failure in the IO/APIC code gracefully instead
of crashing the machine.
- Remove support for APIC local destination mode on 64bit
Logical destination mode of the local APIC is used for systems with
up to 8 CPUs. It has an advantage over physical destination mode as
it allows to target multiple CPUs at once with IPIs. That advantage
was definitely worth it when systems with up to 8 CPUs were state of
the art for servers and workstations, but that's history.
In the recent past there were quite some reports of new laptops
failing to boot with logical destination mode, but they work fine
with physical destination mode. That's not a suprise because physical
destination mode is guaranteed to work as it's the only way to get a
CPU up and running via the INIT/INIT/STARTUP sequence. Some of the
affected systems were cured by BIOS updates, but not all OEMs provide
them.
As the number of CPUs keep increasing, logical destination mode
becomes less used and the benefit for small systems, like laptops, is
not really worth the trouble. So just remove logical destination mode
support for 64bit and be done with it.
- Code and comment cleanups in the APIC area.
* tag 'x86-apic-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Fix comment on IRQ vector layout
x86/apic: Remove unused extern declarations
x86/apic: Remove logical destination mode for 64-bit
x86/apic: Remove unused inline function apic_set_eoi_cb()
x86/ioapic: Cleanup remaining coding style issues
x86/ioapic: Cleanup line breaks
x86/ioapic: Cleanup bracket usage
x86/ioapic: Cleanup comments
x86/ioapic: Move replace_pin_at_irq_node() to the call site
iommu/vt-d: Cleanup apic_printk()
x86/mpparse: Cleanup apic_printk()s
x86/ioapic: Cleanup guarded debug printk()s
x86/ioapic: Cleanup apic_printk()s
x86/apic: Cleanup apic_printk()s
x86/apic: Provide apic_printk() helpers
x86/ioapic: Use guard() for locking where applicable
x86/ioapic: Cleanup structs
x86/ioapic: Mark mp_alloc_timer_irq() __init
x86/ioapic: Handle allocation failures gracefully
|
||
|
Linus Torvalds
|
0279aa780d |
A set of cleanups across x86:
- Use memremap() for the EISA probe instrad of ioremap(). EISA is
strictly memory and not MMIO
- Cleanups and enhancement all over the place
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Merge tag 'x86-cleanups-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Thomas Gleixner:
"A set of cleanups across x86:
- Use memremap() for the EISA probe instead of ioremap(). EISA is
strictly memory and not MMIO
- Cleanups and enhancement all over the place"
* tag 'x86-cleanups-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/EISA: Dereference memory directly instead of using readl()
x86/extable: Remove unused declaration fixup_bug()
x86/boot/64: Strip percpu address space when setting up GDT descriptors
x86/cpu: Clarify the error message when BIOS does not support SGX
x86/kexec: Add comments around swap_pages() assembly to improve readability
x86/kexec: Fix a comment of swap_pages() assembly
x86/sgx: Fix a W=1 build warning in function comment
x86/EISA: Use memremap() to probe for the EISA BIOS signature
x86/mtrr: Remove obsolete declaration for mtrr_bp_restore()
x86/cpu_entry_area: Annotate percpu_setup_exception_stacks() as __init
|
||
|
Linus Torvalds
|
5ba202a7c9 |
Updates for KCOV instrumentation on x86:
- Prevent spurious KCOV coverage in common_interrupt()
- Fixup the KCOV Makefile directive which got stale due to a source file
rename
- Exclude stack unwinding from KCOV as it creates large amounts of
uninteresting coverage
- Provide a self test to validate that KCOV coverage of the interrupt
handling code starts not before preempt count got updated.
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Merge tag 'x86-build-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Thomas Gleixner:
"Updates for KCOV instrumentation on x86:
- Prevent spurious KCOV coverage in common_interrupt()
- Fixup the KCOV Makefile directive which got stale due to a source
file rename
- Exclude stack unwinding from KCOV as it creates large amounts of
uninteresting coverage
- Provide a self test to validate that KCOV coverage of the interrupt
handling code starts not before preempt count got updated"
* tag 'x86-build-2024-09-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Ignore stack unwinding in KCOV
module: Fix KCOV-ignored file name
kcov: Add interrupt handling self test
x86/entry: Remove unwanted instrumentation in common_interrupt()
|
||
|
Linus Torvalds
|
a940d9a43e |
soc: arm platform updates for 6.12
Most of these updates are for removing dead code on the Samsung S3C, NXP i.MX, TI OMAP and TI DaVinci platforms, though this appears to be a coincidence. There are also cleanups for the Marvell Orion family and the Arm integrator series and a Kconfig change for Broadcom. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmboJ24ACgkQYKtH/8kJ Uieakg/+IW7ihBfb7MzlZhTGGm8mLyT4t8fi8B0j9V6dNJ9FLx+Bf19aty96jGbC b/fqYdciWXpTl0EkDVJV0Dxl8zQvYYnKy+IcdhtXUp/9uDLtvpQV8N+VIuTykMU9 XoVhUGmndyTjQOC9+qai67oN0Z4zUcLsutbytBaqif1FKGiwCJqpc4Q80PjUjdl+ 2fLVzVUVQIbyWAwarPQ3TZXRuVkR5ANnQVTNdjIcttfffM5KaLTuZaX5J2IXT28l bxQFTwExjZMToNXrOw8RwsTqFkv0WXqSxThKm7656L+giIAD7Ul3o3uD+bLZQ6n5 ygLQikmulv2ATxu0KHpEJSIup7bZnDtDqg/THYT6obFiLEXVIMqZDq+w4ugg3TUg WeMW5/LZn9jeMKQmgOY2sOsgfcn//acnEn1UZ1vU96kUCjfrT6uultY3+3/GGyYD FKtK5bCIv67732uiviJG49MJ3/sEhcAfai3Ij27tvOWHYQ0qwtt3mtuZvfohaxRu potVEHoK5qMGtC7uUKu7ubz3KwDmvP7ZEoh17JRZhIN9Rx8N64ltY8fFZnUaCj91 2XRY65hV9a/rpdzpR2oxZm6SAKb1vyYvfFH2DeHQSsEODV94+nVAbssRGyR8/09H oxL1ntT9Ldp2hjNB656clMJxKBU4iG4y0FrasSnJGqAQvzm3M6k= =3AQ6 -----END PGP SIGNATURE----- Merge tag 'soc-arm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC ARM platform updates from Arnd Bergmann: "Most of these updates are for removing dead code on the Samsung S3C, NXP i.MX, TI OMAP and TI DaVinci platforms, though this appears to be a coincidence. There are also cleanups for the Marvell Orion family and the Arm integrator series and a Kconfig change for Broadcom" * tag 'soc-arm-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: ARM: dove: Drop a write-only variable ARM: orion5x: Switch to new sys-off handler API ARM: mvebu: Warn about memory chunks too small for DDR training ARM: imx: Annotate imx7d_enet_init() as __init ARM: OMAP1: Remove unused declarations in arch/arm/mach-omap1/pm.h ARM: s3c: remove unused s3c2410_cpu_suspend() declaration ARM: s3c: remove unused declarations for s3c6400 ARM: s3c: Remove unused s3c_init_uart_irqs() declaration ARM: davinci: remove unused cpuidle code ARM: davinci: remove unused davinci_init_ide() declaration ARM: davinci: remove unused davinci_cfg_reg_list() declaration ARM: mach-imx: imx6sx: Remove Ethernet refclock setting MAINTAINERS: Add entry for Samsung Exynos850 SoC ARM: bcm: Select ARM_GIC_V3 for ARCH_BRCMSTB ARM: omap2: Switch to use kmemdup_array() ARM: omap1: Remove unused struct 'dma_link_info' ARM: s3c: Drop explicit initialization of struct i2c_device_id::driver_data to 0 |
||
|
Linus Torvalds
|
38ea77ab07 |
soc: defconfig updates for 6.12
The updates to the defconfig files are fairly small, enabling drivers for eight of the arm and riscv based platforms. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmboHkgACgkQYKtH/8kJ Uiedsw//ee8uHQj003iuqawzMn0oBKcjBO0MpDSanv3qL0Lm5yLZ4s1Nw2jNlsEd uiQytgkduiYwQ9hM4u19cAPi3xab1ruoj9wAp3kcx1dmEbjNP5QTwPkNiNwZIcMu f6Mz7SOTWwp1YWxAXqVU6usR6H3N7VR3P5XdNP/TBSS7MNW6bRPqiO6kAc4AT1H2 RNik3m1kCQIPpX1pdYK2bnCFRIl+TIr2jrHV9B9zYKc1f/il4MuIjVP2U1WDQ10U r5xKCb8MrIQtju+aCfmYwYqUYQ95ptjSas1MwV0xURzxDL/x9B8wL+NDeNsomwJq vlk6vr3HtIsJduXylIxqQ5KY6q/uxJ9whmtU943mPdEZgp3nZeXbK+EHXT5KZbB3 GAGaf//Pt/0+3jQA/qThD9+GF2OMxKUiyi4ZIezI4pj9VoB6uhittmHQlmPc0KvP 8UpkaHiyztgO9R08XGvmQ03A6B0UdJMPFAy1onYZkyL+MhRF2a04D16nkLBGa2jU DvNo9ojqUfSEKiLpQtCwVFc0lQkAdnoVsywcrAp4+KXqzNC51I1Rj59SvaebvCcg eTat1cSVQRvHnSbG/TOiWBtVZ9GqisLf9vAIwYV05b7jT5fWff69olXDXTcQma1P 8aYIGtUIeeDmr+qE6U31aToj/BXpOuI6MvY0tkBfdyqRYuq6lN8= =A/M4 -----END PGP SIGNATURE----- Merge tag 'soc-defconfig-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC defconfig updates from Arnd Bergmann: "The updates to the defconfig files are fairly small, enabling drivers for eight of the arm and riscv based platforms" * tag 'soc-defconfig-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: arm64: defconfig: enable mt8365 sound riscv: defconfig: Enable pinctrl support for CV18XX Series SoC arm64: defconfig: Enable ADP5585 GPIO and PWM drivers arm64: defconfig: Enable Tegra194 PCIe Endpoint arm64: defconfig: Enable E5010 JPEG Encoder riscv: defconfig: sophgo: enable clks for sg2042 arm64: defconfig: build CONFIG_REGULATOR_QCOM_REFGEN as module ARM: configs: at91: enable config flags for sam9x7 SoC family arm64: defconfig: Enable R-Car Ethernet-TSN support ARM: shmobile: defconfig: Enable slab hardening and kmalloc buckets arm64: defconfig: Enable AK4619 codec support |
||
|
Linus Torvalds
|
b8979c6b4d |
soc: driver updates for 6.12
The driver updates seem larger this time around, with changes
is many of the SoC specific drivers, both the custom drivers/soc
ones and the closely related subsystems (memory, bus, firmware,
reset, ...).
The at91 platform gains support for sam9x7 chips in the soc and
power management code. This is the latest variant of one of the
oldest still supported SoC families, using the ARM9 (ARMv5) core.
As usual, the qualcomm snapdragon platform gets a ton of updates in many
of their drivers to add more features and additional SoC support. Most
of these are somewhat firmware related as the platform has a number of
firmware based interfaces to the kernel. A notable addition here is the
inclusion of trace events to two of these drivers.
Herve Codina and Christophe Leroy are now sending updates for
drivers/soc/fsl/ code through the SoC tree, this contains both PowerPC
and Arm specific platforms and has previously been problematic to
maintain. The first update here contains support for newer PowerPC
variants and some cleanups.
The turris mox firmware driver has a number of updates, mostly cleanups.
The Arm SCMI firmware driver gets a major rework to modularize
the existing code into separately loadable drivers for the various
transports, the addition of custom NXP i.MX9 interfaces and a
number of smaller updates.
The Arm FF-A firmware driver gets a feature update to support
the v1.2 version of the specification.
The reset controller drivers have some smaller cleanups and a newly
added driver for the Intel/Mobileye EyeQ5/EyeQ6 MIPS SoCs.
The memory controller drivers get some cleanups and refactoring
for Tegra, TI, Freescale/NXP and a couple more platforms.
Finally there are lots of minor updates to firmware (raspberry pi,
tegra, imx), bus (sunxi, omap, tegra) and soc (rockchips, tegra, amlogic,
mediatek) drivers and their DT bindings.
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Merge tag 'soc-drivers-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The driver updates seem larger this time around, with changes is many
of the SoC specific drivers, both the custom drivers/soc ones and the
closely related subsystems (memory, bus, firmware, reset, ...).
The at91 platform gains support for sam9x7 chips in the soc and power
management code. This is the latest variant of one of the oldest still
supported SoC families, using the ARM9 (ARMv5) core.
As usual, the qualcomm snapdragon platform gets a ton of updates in
many of their drivers to add more features and additional SoC support.
Most of these are somewhat firmware related as the platform has a
number of firmware based interfaces to the kernel. A notable addition
here is the inclusion of trace events to two of these drivers.
Herve Codina and Christophe Leroy are now sending updates for
drivers/soc/fsl/ code through the SoC tree, this contains both PowerPC
and Arm specific platforms and has previously been problematic to
maintain. The first update here contains support for newer PowerPC
variants and some cleanups.
The turris mox firmware driver has a number of updates, mostly
cleanups.
The Arm SCMI firmware driver gets a major rework to modularize the
existing code into separately loadable drivers for the various
transports, the addition of custom NXP i.MX9 interfaces and a number
of smaller updates.
The Arm FF-A firmware driver gets a feature update to support the v1.2
version of the specification.
The reset controller drivers have some smaller cleanups and a newly
added driver for the Intel/Mobileye EyeQ5/EyeQ6 MIPS SoCs.
The memory controller drivers get some cleanups and refactoring for
Tegra, TI, Freescale/NXP and a couple more platforms.
Finally there are lots of minor updates to firmware (raspberry pi,
tegra, imx), bus (sunxi, omap, tegra) and soc (rockchips, tegra,
amlogic, mediatek) drivers and their DT bindings"
* tag 'soc-drivers-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (212 commits)
firmware: imx: remove duplicate scmi_imx_misc_ctrl_get()
platform: cznic: turris-omnia-mcu: Fix error check in omnia_mcu_register_trng()
bus: sunxi-rsb: Simplify code with dev_err_probe()
soc: fsl: qe: ucc: Export ucc_mux_set_grant_tsa_bkpt
soc: fsl: cpm1: qmc: Fix dependency on fsl_soc.h
dt-bindings: arm: rockchip: Add rk3576 compatible string to pmu.yaml
soc: fsl: qbman: Remove redundant warnings
soc: fsl: qbman: Use iommu_paging_domain_alloc()
MAINTAINERS: Add QE files related to the Freescale QMC controller
soc: fsl: cpm1: qmc: Handle QUICC Engine (QE) soft-qmc firmware
soc: fsl: cpm1: qmc: Add support for QUICC Engine (QE) implementation
soc: fsl: qe: Add missing PUSHSCHED command
soc: fsl: qe: Add resource-managed muram allocators
soc: fsl: cpm1: qmc: Introduce qmc_version
soc: fsl: cpm1: qmc: Rename SCC_GSMRL_MODE_QMC
soc: fsl: cpm1: qmc: Handle RPACK initialization
soc: fsl: cpm1: qmc: Rename qmc_chan_command()
soc: fsl: cpm1: qmc: Introduce qmc_{init,exit}_xcc() and their CPM1 version
soc: fsl: cpm1: qmc: Introduce qmc_init_resource() and its CPM1 version
soc: fsl: cpm1: qmc: Re-order probe() operations
...
|
||
|
Linus Torvalds
|
7b17f5ebd5 |
soc: devicetree updates for 6.12
New SoC support for Broadcom bcm2712 (Raspberry Pi 5) and Renesas
R9A09G057 (RZ/V2H(P)) and Qualcomm Snapdragon 414 (MSM8929), all three
of these are variants of already supported chips, in particular the last
one is almost identical to MSM8939.
Lots of updates to Mediatek, ASpeed, Rockchips, Amlogic, Qualcomm,
STM32, NXP i.MX, Sophgo, TI K3, Renesas, Microchip at91, NVIDIA Tegra,
and T-HEAD.
The added Qualcomm platform support once again dominates the changes,
with seven phones and three laptops getting added in addition to
many new features on existing machines. The Snapdragon X1E support
specifically keeps improving.
The other new machines are:
- eight new machines using various 64-bit Rockchips SoCs, both
on the consumer/gaming side and developer boards
- three industrial boards with 64-bit i.MX, which is a very
low number for them.
- four more servers using a 32-bit Speed BMC
- three boards using STM32MP1 SoCs
- one new machine each using allwinner, amlogic, broadcom
and renesas chips.
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Merge tag 'soc-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC devicetree updates from Arnd Bergmann:
"New SoC support for Broadcom bcm2712 (Raspberry Pi 5) and Renesas
R9A09G057 (RZ/V2H(P)) and Qualcomm Snapdragon 414 (MSM8929), all three
of these are variants of already supported chips, in particular the
last one is almost identical to MSM8939.
Lots of updates to Mediatek, ASpeed, Rockchips, Amlogic, Qualcomm,
STM32, NXP i.MX, Sophgo, TI K3, Renesas, Microchip at91, NVIDIA Tegra,
and T-HEAD.
The added Qualcomm platform support once again dominates the changes,
with seven phones and three laptops getting added in addition to many
new features on existing machines. The Snapdragon X1E support
specifically keeps improving.
The other new machines are:
- eight new machines using various 64-bit Rockchips SoCs, both on the
consumer/gaming side and developer boards
- three industrial boards with 64-bit i.MX, which is a very low
number for them.
- four more servers using a 32-bit Speed BMC
- three boards using STM32MP1 SoCs
- one new machine each using allwinner, amlogic, broadcom and renesas
chips"
* tag 'soc-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (672 commits)
arm64: dts: allwinner: h5: NanoPi NEO Plus2: Use regulators for pio
arm64: dts: mediatek: add audio support for mt8365-evk
arm64: dts: mediatek: add afe support for mt8365 SoC
arm64: dts: mediatek: mt8186-corsola: Disable DPI display interface
arm64: dts: mediatek: mt8186: Add svs node
arm64: dts: mediatek: mt8186: Add power domain for DPI
arm64: dts: mediatek: mt8195: Correct clock order for dp_intf*
arm64: dts: mt8183: add dpi node to mt8183
arm64: dts: allwinner: h5: NanoPi Neo Plus2: Fix regulators
arm64: dts: rockchip: add CAN0 and CAN1 interfaces to mecsbc board
arm64: dts: rockchip: add CAN-FD controller nodes to rk3568
arm64: dts: nuvoton: ma35d1: Add uart pinctrl settings
arm64: dts: nuvoton: ma35d1: Add pinctrl and gpio nodes
arm64: dts: nuvoton: Add syscon to the system-management node
ARM: dts: Fix undocumented LM75 compatible nodes
arm64: dts: toshiba: Fix pl011 and pl022 clocks
ARM: dts: stm32: Use SAI to generate bit and frame clock on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Switch bitclock/frame-master to flag on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Sort properties in audio endpoints on STM32MP15xx DHCOM PDK2
ARM: dts: stm32: Add MECIO1 and MECT1S board variants
...
|
||
|
Linus Torvalds
|
303ba85c60 |
spi: Updates for v6.12
This is quite a quiet release for sPI. The one new core feature here is
support for configuring the state of the MOSI pin when the bus is idle,
there are some devices which are very fragile in this regard even when
the chip select signal is not asserted. Otherwise we have some new
driver support, a bunch of small fixes and some general cleanup work.
- Support for configuring the state of the MOSI pin when the the bus is
idle.
- Add the Elgin JG0309-01 in spidev.
- Support for Marvell xSPI, Mediatek MTK7981, Microchip PIC64GX,
NXP i.MX8ULP, and Rockchip RK3576 controllers.
I also accidentally pulled in an IIO DT bindings update due to a typo
when applying the MOSI idle state patches.
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Merge tag 'spi-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This is quite a quiet release for SPI. The one new core feature here
is support for configuring the state of the MOSI pin when the bus is
idle, there are some devices which are very fragile in this regard
even when the chip select signal is not asserted. Otherwise we have
some new driver support, a bunch of small fixes and some general
cleanup work.
- Support for configuring the state of the MOSI pin when the the bus
is idle
- Add the Elgin JG0309-01 in spidev
- Support for Marvell xSPI, Mediatek MTK7981, Microchip PIC64GX, NXP
i.MX8ULP, and Rockchip RK3576 controllers
I also accidentally pulled in an IIO DT bindings update due to a typo
when applying the MOSI idle state patches"
* tag 'spi-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (65 commits)
spi: geni-qcom: Use devm functions to simplify code
spi: remove spi_controller_is_slave() and spi_slave_abort()
platform/olpc: olpc-xo175-ec: switch to use spi_target_abort().
spi: slave-mt27xx: switch to use target_abort
spi: spidev: switch to use spi_target_abort()
spi: slave-system-control: switch to use spi_target_abort()
spi: slave-time: switch to use spi_target_abort()
spi: switch to use spi_controller_is_target()
spi: fspi: add support for imx8ulp
spi: fspi: involve lut_num for struct nxp_fspi_devtype_data
dt-bindings: spi: nxp-fspi: add imx8ulp support
spi: spidev_fdx: Fix the wrong format specifier
spi: mxs: Switch to RUNTIME/SYSTEM_SLEEP_PM_OPS()
spi: dt-bindings: Add rockchip,rk3576-spi compatible
spi: Revert "spi: Insert the missing pci_dev_put()before return"
spi: zynq-qspi: Replace kzalloc with kmalloc for buffer allocation
spi: ppc4xx: Sort headers
spi: ppc4xx: Revert "handle irq_of_parse_and_map() errors"
spi: zynqmp-gqspi: Simplify with dev_err_probe()
spi: zynqmp-gqspi: Use devm_spi_alloc_host()
...
|
||
|
Linus Torvalds
|
6df9280860 |
regulator: Updates for v6.12
This release is almost all cleanup work of various kinds, while the
diffstat for the core is quite large this is almost all cleanups and
documentation improvments with some small fixes rather than any new
feature work. We do have support for a couple of new devices but these
are small additions to existing drivers rather than new drivers.
- Removal of the SM5703 driver which does not have it's dependencies
available.
- Support for Allwinner AXP717, and Qualcomm WCN6855.
The Allwinner support shares some commits with the MFD tree.
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Merge tag 'regulator-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release is almost all cleanup work of various kinds, while the
diffstat for the core is quite large this is almost all cleanups and
documentation improvments with some small fixes rather than any new
feature work. We do have support for a couple of new devices but these
are small additions to existing drivers rather than new drivers.
- Removal of the SM5703 driver which does not have it's dependencies
available.
- Support for Allwinner AXP717, and Qualcomm WCN6855.
The Allwinner support shares some commits with the MFD tree"
* tag 'regulator-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (66 commits)
regulator: sm5703: Remove because it is unused and fails to build
regulator: Split up _regulator_get()
regulator: update some comments ([gs]et_voltage_vsel vs [gs]et_voltage_sel)
regulator: max8973: Use irq_get_trigger_type() helper
regulator: core: fix the broken behavior of regulator_dev_lookup()
regulator: max77650: Use container_of and constify static data
regulator: hi6421v530: Use container_of and constify static data
regulator: hi6421v530: Drop unused 'eco_microamp'
regulator: qcom-refgen: Constify static data
regulator: pfuze100: Constify static data
regulator: pcap: Constify static data
regulator: mtk-dvfsrc: Constify static data
regulator: max77826: Constify static data
regulator: max77826: Drop unused 'rdesc' in 'struct max77826_regulator_info'
regulator: tps65023: Constify static data
regulator: hi6421v600: Constify static data
regulator: hi6421: Constify static data
regulator: da9121: Constify static data
regulator: da9063: Constify static data
regulator: da9055: Constify static data
...
|
||
|
Linus Torvalds
|
9179b73aa7 |
regmap: Updates for v6.12
The main update here is Matti's work allowing regmap irqdomains to be given custom names (allowing multiple interrupt controllers associatd with a single struct device), this pulls in some commits from Thomas' tree which it depends on. Otherwise there's a bit of work on improving handling of regmaps protected with spinlocks when used with complex cache types, fixing some valid but harmless lockdep reports seen with some new driver work. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmbnZjcACgkQJNaLcl1U h9CFMwf/ecsvvRV4LycfWvm3yehorg+ruV8TXFB/KswXZ957rWfxOYBrSdOoNezy nYb2LZAKWlS10Akk5CinBc/ZjRH1EQmjWCl/l2eKe1gTFQ9xPFGWNg7FlnmRRNKR 9SiBdSCjxXS55nZN7t4jeXCXUr8iaezV+K55rKdznpe/EOi19wHmNtR2+3PqtnuJ felae4Xrq3o+O20yV54KYq1iQNY2jNNFGZUGBYAzQjR8aCuY9lQATT36uTxqspWY icZwUiLCmmoRLTC+QbSnmjv26s/uURpRXR7BUhX40PaK6MuWzNHAjxUo8iYVzuVg Nmqw+5yeDF4tY9pDODrmqxK2fErObw== =TyFs -----END PGP SIGNATURE----- Merge tag 'regmap-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap updates from Mark Brown: "The main update here is Matti's work allowing regmap irqdomains to be given custom names (allowing multiple interrupt controllers associatd with a single struct device), this pulls in some commits from Thomas' tree which it depends on. Otherwise there's a bit of work on improving handling of regmaps protected with spinlocks when used with complex cache types, fixing some valid but harmless lockdep reports seen with some new driver work" * tag 'regmap-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: kunit: Add coverage of spinlocked regmaps regcache: use map->alloc_flags also for allocating cache regmap: Use locking during kunit tests regmap: Hold the regmap lock when allocating and freeing the cache regmap: Allow setting IRQ domain name suffix |
||
|
Linus Torvalds
|
c903327d32 |
printk changes for 6.12
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Merge tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
"This is the "last" part of the support for the new nbcon consoles.
Where "nbcon" stays for "No Big console lock CONsoles" aka not under
the console_lock.
New callbacks are added to struct console:
- write_thread() for flushing nbcon consoles in task context.
- write_atomic() for flushing nbcon consoles in atomic context,
including NMI.
- con->device_lock() and device_unlock() for taking the driver
specific lock, for example, port->lock.
New printk-specific kthreads are created:
- per-console kthreads which get responsible for flushing normal
priority messages on nbcon consoles.
- thread which gets responsible for flushing normal priority messages
on all consoles when CONFIG_RT enabled.
The new callbacks are called under a special per-console lock which
has already been added back in v6.7. It allows to distinguish three
severities: normal, emergency, and panic. A context with a higher
priority could take over the ownership when it is safe even in the
middle of handling a record. The panic context could do it even when
it is not safe. But it is allowed only for the final desperate flush
before entering the infinite loop.
The new lock helps to flush the messages directly in emergency and
panic contexts. But it is not enough in all situations:
- console_lock() is still need for synchronization against boot
consoles.
- con->device_lock() is need for synchronization against other
operations on the same HW, e.g. serial port speed setting,
non-printk related read/write.
The dependency on con->device_lock() is mutual. Any code taking the
driver specific lock has to acquire the related nbcon console context
as well. For example, see the new uart_port_lock() API. It provides
the necessary synchronization against emergency and panic contexts
where the messages are flushed only under the new per-console lock.
Maybe surprisingly, a quite tricky part is the decision how to flush
the consoles in various situations. It has to take into account:
- message priority: normal, emergency, panic
- scheduling context: task, atomic, deferred_legacy
- registered consoles: boot, legacy, nbcon
- threads are running: early boot, suspend, shutdown, panic
- caller: printk(), pr_flush(), printk_flush_in_panic(),
console_unlock(), console_start(), ...
The primary decision is made in printk_get_console_flush_type(). It
creates a hint what the caller should do:
- flush nbcon consoles directly or via the kthread
- call the legacy loop (console_unlock()) directly or via irq_work
The existing behavior is preserved for the legacy consoles. The only
exception is that they are not longer flushed directly from printk()
in panic() before CPUs are stopped. But this blocking happens only
when at least one nbcon console is registered. The motivation is to
increase a chance to produce the crash dump. They legacy consoles
might create a deadlock in compare with nbcon consoles. The nbcon
console should allow to see the messages even when the crash dump
fails.
There are three possible ways how nbcon consoles are flushed:
- The per-nbcon-console kthread is responsible for flushing messages
added with the normal priority. This is the default mode.
- The legacy loop, aka console_unlock(), is used when there is still
a boot console registered. There is no easy way how to match an
early console driver with a nbcon console driver. And the
console_lock() provides the only reliable serialization at the
moment.
The legacy loop uses either con->write_atomic() or
con->write_thread() callbacks depending on whether it is allowed to
schedule. The atomic variant has to be used from printk().
- In other situations, the messages are flushed directly using
write_atomic() which can be called in any context, including NMI.
It is primary needed during early boot or shutdown, in emergency
situations, and panic.
The emergency priority is used by a code called within
nbcon_cpu_emergency_enter()/exit(). At the moment, it is used in four
situations: WARN(), Oops, lockdep, and RCU stall reports.
Finally, there is no nbcon console at the moment. It means that the
changes should _not_ modify the existing behavior. The only exception
is CONFIG_RT which would force offloading the legacy loop, for normal
priority context, into the dedicated kthread"
* tag 'printk-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (54 commits)
printk: Avoid false positive lockdep report for legacy printing
printk: nbcon: Assign nice -20 for printing threads
printk: Implement legacy printer kthread for PREEMPT_RT
tty: sysfs: Add nbcon support for 'active'
proc: Add nbcon support for /proc/consoles
proc: consoles: Add notation to c_start/c_stop
printk: nbcon: Show replay message on takeover
printk: Provide helper for message prepending
printk: nbcon: Rely on kthreads for normal operation
printk: nbcon: Use thread callback if in task context for legacy
printk: nbcon: Relocate nbcon_atomic_emit_one()
printk: nbcon: Introduce printer kthreads
printk: nbcon: Init @nbcon_seq to highest possible
printk: nbcon: Add context to usable() and emit()
printk: Flush console on unregister_console()
printk: Fail pr_flush() if before SYSTEM_SCHEDULING
printk: nbcon: Add function for printers to reacquire ownership
printk: nbcon: Use raw_cpu_ptr() instead of open coding
printk: Use the BITS_PER_LONG macro
lockdep: Mark emergency sections in lockdep splats
...
|
||
|
Linus Torvalds
|
daa394f0f9 |
A set of updates for debugobjects:
- Use the threshold to check for the pool refill condition and not the
run time recorded all time low fill value, which is lower than the
threshold and therefore causes refills to be delayed.
- KCSAN annotation updates and simplification of the fill_pool() code.
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Merge tag 'core-debugobjects-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects updates from Thomas Gleixner:
- Use the threshold to check for the pool refill condition and not the
run time recorded all time low fill value, which is lower than the
threshold and therefore causes refills to be delayed.
- KCSAN annotation updates and simplification of the fill_pool() code.
* tag 'core-debugobjects-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Remove redundant checks in fill_pool()
debugobjects: Fix conditions in fill_pool()
debugobjects: Fix the compilation attributes of some global variables
|
||
|
Linus Torvalds
|
9ea925c806 |
Updates for timers and timekeeping:
- Core:
- Overhaul of posix-timers in preparation of removing the
workaround for periodic timers which have signal delivery
ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep
time since the large rewrite to a non-cascading wheel, but the
extra jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack
for real time tasks and enforce it at the core level instead of
having inconsistent individual checks in various timer setup
functions.
- The usual set of updates and enhancements all over the place.
- Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers
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Merge tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Core:
- Overhaul of posix-timers in preparation of removing the workaround
for periodic timers which have signal delivery ignored.
- Remove the historical extra jiffie in msleep()
msleep() adds an extra jiffie to the timeout value to ensure
minimal sleep time. The timer wheel ensures minimal sleep time
since the large rewrite to a non-cascading wheel, but the extra
jiffie in msleep() remained unnoticed. Remove it.
- Make the timer slack handling correct for realtime tasks.
The procfs interface is inconsistent and does neither reflect
reality nor conforms to the man page. Show the correct 0 slack for
real time tasks and enforce it at the core level instead of having
inconsistent individual checks in various timer setup functions.
- The usual set of updates and enhancements all over the place.
Drivers:
- Allow the ACPI PM timer to be turned off during suspend
- No new drivers
- The usual updates and enhancements in various drivers"
* tag 'timers-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
ntp: Make sure RTC is synchronized when time goes backwards
treewide: Fix wrong singular form of jiffies in comments
cpu: Use already existing usleep_range()
timers: Rename next_expiry_recalc() to be unique
platform/x86:intel/pmc: Fix comment for the pmc_core_acpi_pm_timer_suspend_resume function
clocksource/drivers/jcore: Use request_percpu_irq()
clocksource/drivers/cadence-ttc: Add missing clk_disable_unprepare in ttc_setup_clockevent
clocksource/drivers/asm9260: Add missing clk_disable_unprepare in asm9260_timer_init
clocksource/drivers/qcom: Add missing iounmap() on errors in msm_dt_timer_init()
clocksource/drivers/ingenic: Use devm_clk_get_enabled() helpers
platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended
clocksource: acpi_pm: Add external callback for suspend/resume
clocksource/drivers/arm_arch_timer: Using for_each_available_child_of_node_scoped()
dt-bindings: timer: rockchip: Add rk3576 compatible
timers: Annotate possible non critical data race of next_expiry
timers: Remove historical extra jiffie for timeout in msleep()
hrtimer: Use and report correct timerslack values for realtime tasks
hrtimer: Annotate hrtimer_cpu_base_.*_expiry() for sparse.
timers: Add sparse annotation for timer_sync_wait_running().
signal: Replace BUG_ON()s
...
|
||
|
Linus Torvalds
|
cb69d86550 |
Updates for the interrupt subsystem:
- Core:
- Remove a global lock in the affinity setting code
The lock protects a cpumask for intermediate results and the lock
causes a bottleneck on simultaneous start of multiple virtual
machines. Replace the lock and the static cpumask with a per CPU
cpumask which is nicely serialized by raw spinlock held when
executing this code.
- Provide support for giving a suffix to interrupt domain names.
That's required to support devices with subfunctions so that the
domain names are distinct even if they originate from the same
device node.
- The usual set of cleanups and enhancements all over the place
- Drivers:
- Support for longarch AVEC interrupt chip
- Refurbishment of the Armada driver so it can be extended for new
variants.
- The usual set of cleanups and enhancements all over the place
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Merge tag 'irq-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Core:
- Remove a global lock in the affinity setting code
The lock protects a cpumask for intermediate results and the lock
causes a bottleneck on simultaneous start of multiple virtual
machines. Replace the lock and the static cpumask with a per CPU
cpumask which is nicely serialized by raw spinlock held when
executing this code.
- Provide support for giving a suffix to interrupt domain names.
That's required to support devices with subfunctions so that the
domain names are distinct even if they originate from the same
device node.
- The usual set of cleanups and enhancements all over the place
Drivers:
- Support for longarch AVEC interrupt chip
- Refurbishment of the Armada driver so it can be extended for new
variants.
- The usual set of cleanups and enhancements all over the place"
* tag 'irq-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits)
genirq: Use cpumask_intersects()
genirq/cpuhotplug: Use cpumask_intersects()
irqchip/apple-aic: Only access system registers on SoCs which provide them
irqchip/apple-aic: Add a new "Global fast IPIs only" feature level
irqchip/apple-aic: Skip unnecessary enabling of use_fast_ipi
dt-bindings: apple,aic: Document A7-A11 compatibles
irqdomain: Use IS_ERR_OR_NULL() in irq_domain_trim_hierarchy()
genirq/msi: Use kmemdup_array() instead of kmemdup()
genirq/proc: Change the return value for set affinity permission error
genirq/proc: Use irq_move_pending() in show_irq_affinity()
genirq/proc: Correctly set file permissions for affinity control files
genirq: Get rid of global lock in irq_do_set_affinity()
genirq: Fix typo in struct comment
irqchip/loongarch-avec: Add AVEC irqchip support
irqchip/loongson-pch-msi: Prepare get_pch_msi_handle() for AVECINTC
irqchip/loongson-eiointc: Rename CPUHP_AP_IRQ_LOONGARCH_STARTING
LoongArch: Architectural preparation for AVEC irqchip
LoongArch: Move irqchip function prototypes to irq-loongson.h
irqchip/loongson-pch-msi: Switch to MSI parent domains
softirq: Remove unused 'action' parameter from action callback
...
|
||
|
Linus Torvalds
|
a64405b78b |
Updates for the clocksource watchdog:
- Make the uncertainty margin handling more robust to prevent false
positives
- Clarify comments
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Merge tag 'timers-clocksource-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource watchdog updates from Thomas Gleixner:
- Make the uncertainty margin handling more robust to prevent false
positives
- Clarify comments
* tag 'timers-clocksource-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Set cs_watchdog_read() checks based on .uncertainty_margin
clocksource: Fix comments on WATCHDOG_THRESHOLD & WATCHDOG_MAX_SKEW
clocksource: Improve comments for watchdog skew bounds
|
||
|
Linus Torvalds
|
97e17c08a4 |
A set of updates for CPU hotplug:
- Prepare the core for supporting parallel hotplug on loongarch - A small set of cleanups and enhancements -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmbn6qETHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoZutD/94s3G8D3xrgQ6DwMHVtMtIAbzLtlBt SeKpIiSCnSy8bnQ+sAqOw4VjmbpB0dOlcJRii701D6hY+48TEgsL3dLn1/ws4ECc /5PapLihQgIquiAqk9iQH2BOrsFVqOGp4jbU95+ppBQtiDIB+3KeQPxxws57xb7E EUXzgCMTSsqlHCt40UCbsn7atbj0AfkV12uPKsNZT7WxPjxGK3OLuttMA6a+4xHm nBxxy/Vp9ll3J+uRGQobLFgZiIEiUsHI/+pGwltYxXC7jdN3joGqD3LuwypqLuly Ir8yXP+NhpOeNMn3iSVE8sm39bp8Sm1UslrbXvlQHGuP1JsUnIZzyevdneUp5Je7 zDKHzfn04Ls3uK1XiuQGUTvLYuiHPQ/UHP8ZeWFlkapFFDtl3fu2FU9r+LlkwKZK /0zQF6R5eBaGl3F1YKn7nPcfNf1jTLQlYq+eZT2DnSSeOb7ammjxVGgIMzWRWidG ZFNZhkjusRi3MH4aYLF8mQl7nyepy4+XQF4K0PusQ8B/NQxYRoI66mFsKhtufn5e 7T9vpYTazmhazl9SO1wQ9NNXYub+bjVj3fyRl5WSsTdS5d9pz9yqgC+xBIAJXTaq 9kN+NlP/nJ6HAzTgO074znUYR/tjlki22hNHVa6JyEh0/h0AVG53CFH5/hSONJ3P jvnhjxM/X/kLwg== =0FVL -----END PGP SIGNATURE----- Merge tag 'smp-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull CPU hotplug updates from Thomas Gleixner: - Prepare the core for supporting parallel hotplug on loongarch - A small set of cleanups and enhancements * tag 'smp-core-2024-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: smp: Mark smp_prepare_boot_cpu() __init cpu: Fix W=1 build kernel-doc warning cpu/hotplug: Provide weak fallback for arch_cpuhp_init_parallel_bringup() cpu/hotplug: Make HOTPLUG_PARALLEL independent of HOTPLUG_SMT |
||
|
Linus Torvalds
|
a430d95c5e |
lsm/stable-6.12 PR 20240911
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Those callbacks which haven't been converted were left as-is due to the general ugliness of the changes required to support the static call conversion; we can revisit those callbacks at a future date. - Add the Integrity Policy Enforcement (IPE) LSM This adds a new LSM, Integrity Policy Enforcement (IPE). There is plenty of documentation about IPE in this patches, so I'll refrain from going into too much detail here, but the basic motivation behind IPE is to provide a mechanism such that administrators can restrict execution to only those binaries which come from integrity protected storage, e.g. a dm-verity protected filesystem. You will notice that IPE requires additional LSM hooks in the initramfs, dm-verity, and fs-verity code, with the associated patches carrying ACK/review tags from the associated maintainers. We couldn't find an obvious maintainer for the initramfs code, but the IPE patchset has been widely posted over several years. Both Deven Bowers and Fan Wu have contributed to IPE's development over the past several years, with Fan Wu agreeing to serve as the IPE maintainer moving forward. Once IPE is accepted into your tree, I'll start working with Fan to ensure he has the necessary accounts, keys, etc. so that he can start submitting IPE pull requests to you directly during the next merge window. - Move the lifecycle management of the LSM blobs to the LSM framework Management of the LSM blobs (the LSM state buffers attached to various kernel structs, typically via a void pointer named "security" or similar) has been mixed, some blobs were allocated/managed by individual LSMs, others were managed by the LSM framework itself. Starting with this pull we move management of all the LSM blobs, minus the XFRM blob, into the framework itself, improving consistency across LSMs, and reducing the amount of duplicated code across LSMs. Due to some additional work required to migrate the XFRM blob, it has been left as a todo item for a later date; from a practical standpoint this omission should have little impact as only SELinux provides a XFRM LSM implementation. - Fix problems with the LSM's handling of F_SETOWN The LSM hook for the fcntl(F_SETOWN) operation had a couple of problems: it was racy with itself, and it was disconnected from the associated DAC related logic in such a way that the LSM state could be updated in cases where the DAC state would not. We fix both of these problems by moving the security_file_set_fowner() hook into the same section of code where the DAC attributes are updated. Not only does this resolve the DAC/LSM synchronization issue, but as that code block is protected by a lock, it also resolve the race condition. - Fix potential problems with the security_inode_free() LSM hook Due to use of RCU to protect inodes and the placement of the LSM hook associated with freeing the inode, there is a bit of a challenge when it comes to managing any LSM state associated with an inode. The VFS folks are not open to relocating the LSM hook so we have to get creative when it comes to releasing an inode's LSM state. Traditionally we have used a single LSM callback within the hook that is triggered when the inode is "marked for death", but not actually released due to RCU. Unfortunately, this causes problems for LSMs which want to take an action when the inode's associated LSM state is actually released; so we add an additional LSM callback, inode_free_security_rcu(), that is called when the inode's LSM state is released in the RCU free callback. - Refactor two LSM hooks to better fit the LSM return value patterns The vast majority of the LSM hooks follow the "return 0 on success, negative values on failure" pattern, however, there are a small handful that have unique return value behaviors which has caused confusion in the past and makes it difficult for the BPF verifier to properly vet BPF LSM programs. This includes patches to convert two of these"special" LSM hooks to the common 0/-ERRNO pattern. - Various cleanups and improvements A handful of patches to remove redundant code, better leverage the IS_ERR_OR_NULL() helper, add missing "static" markings, and do some minor style fixups. * tag 'lsm-pr-20240911' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (40 commits) security: Update file_set_fowner documentation fs: Fix file_set_fowner LSM hook inconsistencies lsm: Use IS_ERR_OR_NULL() helper function lsm: remove LSM_COUNT and LSM_CONFIG_COUNT ipe: Remove duplicated include in ipe.c lsm: replace indirect LSM hook calls with static calls lsm: count the LSMs enabled at compile time kernel: Add helper macros for loop unrolling init/main.c: Initialize early LSMs after arch code, static keys and calls. MAINTAINERS: add IPE entry with Fan Wu as maintainer documentation: add IPE documentation ipe: kunit test for parser scripts: add boot policy generation program ipe: enable support for fs-verity as a trust provider fsverity: expose verified fsverity built-in signatures to LSMs lsm: add security_inode_setintegrity() hook ipe: add support for dm-verity as a trust provider dm-verity: expose root hash digest and signature data to LSMs block,lsm: add LSM blob and new LSM hooks for block devices ipe: add permissive toggle ... |
||
|
Linus Torvalds
|
ad060dbbcf |
selinux/stable-6.12 PR 20240911
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Linus Torvalds
|
dc644fba3c |
audit/stable-6.12 PR 20240911
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David Howells
|
43a64bd02f |
cifs: Remove redundant setting of NETFS_SREQ_HIT_EOF
Fix an upstream merge resolution issue[1]. The NETFS_SREQ_HIT_EOF flag,
and code to set it, got added via two different paths. The original path
saw it added in the netfslib read improvements[2], but it was also added,
and slightly differently, in a fix that was committed before v6.11:
|
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David Howells
|
dc1a456dc1 |
cifs: Fix cifs readv callback merge resolution issue
Fix an upstream merge resolution issue[1]. Prior to the netfs read healpers, the SMB1 asynchronous read callback, cifs_readv_worker() performed the cleanup for the operation in the network message processing loop, potentially slowing down the processing of incoming SMB messages. With commit |
||
|
Linus Torvalds
|
adfc3ded5c |
for-6.12/io_uring-discard-20240913
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|
Linus Torvalds
|
26bb0d3f38 |
for-6.12/block-20240913
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Merge tag 'for-6.12/block-20240913' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- MD changes via Song:
- md-bitmap refactoring (Yu Kuai)
- raid5 performance optimization (Artur Paszkiewicz)
- Other small fixes (Yu Kuai, Chen Ni)
- Add a sysfs entry 'new_level' (Xiao Ni)
- Improve information reported in /proc/mdstat (Mateusz Kusiak)
- NVMe changes via Keith:
- Asynchronous namespace scanning (Stuart)
- TCP TLS updates (Hannes)
- RDMA queue controller validation (Niklas)
- Align field names to the spec (Anuj)
- Metadata support validation (Puranjay)
- A syntax cleanup (Shen)
- Fix a Kconfig linking error (Arnd)
- New queue-depth quirk (Keith)
- Add missing unplug trace event (Keith)
- blk-iocost fixes (Colin, Konstantin)
- t10-pi modular removal and fixes (Alexey)
- Fix for potential BLKSECDISCARD overflow (Alexey)
- bio splitting cleanups and fixes (Christoph)
- Deal with folios rather than rather than pages, speeding up how the
block layer handles bigger IOs (Kundan)
- Use spinlocks rather than bit spinlocks in zram (Sebastian, Mike)
- Reduce zoned device overhead in ublk (Ming)
- Add and use sendpages_ok() for drbd and nvme-tcp (Ofir)
- Fix regression in partition error pointer checking (Riyan)
- Add support for write zeroes and rotational status in nbd (Wouter)
- Add Yu Kuai as new BFQ maintainer. The scheduler has been
unmaintained for quite a while.
- Various sets of fixes for BFQ (Yu Kuai)
- Misc fixes and cleanups (Alvaro, Christophe, Li, Md Haris, Mikhail,
Yang)
* tag 'for-6.12/block-20240913' of git://git.kernel.dk/linux: (120 commits)
nvme-pci: qdepth 1 quirk
block: fix potential invalid pointer dereference in blk_add_partition
blk_iocost: make read-only static array vrate_adj_pct const
block: unpin user pages belonging to a folio at once
mm: release number of pages of a folio
block: introduce folio awareness and add a bigger size from folio
block: Added folio-ized version of bio_add_hw_page()
block, bfq: factor out a helper to split bfqq in bfq_init_rq()
block, bfq: remove local variable 'bfqq_already_existing' in bfq_init_rq()
block, bfq: remove local variable 'split' in bfq_init_rq()
block, bfq: remove bfq_log_bfqg()
block, bfq: merge bfq_release_process_ref() into bfq_put_cooperator()
block, bfq: fix procress reference leakage for bfqq in merge chain
block, bfq: fix uaf for accessing waker_bfqq after splitting
blk-throttle: support prioritized processing of metadata
blk-throttle: remove last_low_overflow_time
drbd: Add NULL check for net_conf to prevent dereference in state validation
nvme-tcp: fix link failure for TCP auth
blk-mq: add missing unplug trace event
mtip32xx: Remove redundant null pointer checks in mtip_hw_debugfs_init()
...
|
||
|
Linus Torvalds
|
3a4d319a8f |
for-6.12/io_uring-20240913
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||
|
Linus Torvalds
|
69a3a0a45a |
Changes since last update:
- Support file-backed mounts for containers and sandboxes;
- Mark the experimental fscache backend as deprecated;
- Handle overlapped pclusters caused by crafted images properly;
- Fix a failure path which could cause infinite loops in
z_erofs_init_decompressor();
- Get rid of unnecessary NOFAILs;
- Harmless on-disk hardening & minor cleanups.
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Merge tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, we add file-backed mount support, which has has been a
strong requirement for years. It is especially useful when there are
thousands of images running on the same host for containers and other
sandbox use cases, unlike OS image use cases.
Without file-backed mounts, it's hard for container runtimes to manage
and isolate so many unnecessary virtual block devices safely and
efficiently, therefore file-backed mounts are highly preferred. For
EROFS users, ComposeFS [1], containerd, and Android APEXes [2] will
directly benefit from it, and I've seen no risk in implementing it as
a completely immutable filesystem.
The previous experimental feature "EROFS over fscache" is now marked
as deprecated because:
- Fscache is no longer an independent subsystem and has been merged
into netfs, which was somewhat unexpected when it was proposed.
- New HSM "fanotify pre-content hooks" [3] will be landed upstream.
These hooks will replace "EROFS over fscache" in a simpler way, as
EROFS won't be bother with kernel caching anymore. Userspace
programs can also manage their own caching hierarchy more flexibly.
Once the HSM "fanotify pre-content hooks" is landed, I will remove the
fscache backend entirely as an internal dependency cleanup. More
backgrounds are listed in the original patchset [4].
In addition to that, there are bugfixes and cleanups as usual.
Summary:
- Support file-backed mounts for containers and sandboxes
- Mark the experimental fscache backend as deprecated
- Handle overlapped pclusters caused by crafted images properly
- Fix a failure path which could cause infinite loops in
z_erofs_init_decompressor()
- Get rid of unnecessary NOFAILs
- Harmless on-disk hardening & minor cleanups"
* tag 'erofs-for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: reject inodes with negative i_size
erofs: restrict pcluster size limitations
erofs: allocate more short-lived pages from reserved pool first
erofs: sunset unneeded NOFAILs
erofs: simplify erofs_map_blocks_flatmode()
erofs: refactor read_inode calling convention
erofs: use kmemdup_nul in erofs_fill_symlink
erofs: mark experimental fscache backend deprecated
erofs: support compressed inodes for fileio
erofs: support unencoded inodes for fileio
erofs: add file-backed mount support
erofs: handle overlapped pclusters out of crafted images properly
erofs: fix error handling in z_erofs_init_decompressor
erofs: clean up erofs_register_sysfs()
erofs: fix incorrect symlink detection in fast symlink
|
||
|
Linus Torvalds
|
7a40974fd0 |
for-6.12-tag
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Merge tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This brings mostly refactoring, cleanups, minor performance
optimizations and usual fixes. The folio API conversions are most
noticeable.
There's one less visible change that could have a high impact. The
extent lock scope for read is reduced, not held for the entire
operation. In the buffered read case it's left to page or inode lock,
some direct io read synchronization is still needed.
This used to prevent deadlocks induced by page faults during direct
io, so there was a 4K limitation on the requests, e.g. for io_uring.
In the future this will allow smoother integration with iomap where
the extent read lock was a major obstacle.
User visible changes:
- the FSTRIM ioctl updates the processed range even after an error or
interruption
- cleaner thread is woken up in SYNC ioctl instead of waking the
transaction thread that can take some delay before waking up the
cleaner, this can speed up cleaning of deleted subvolumes
- print an error message when opening a device fail, e.g. when it's
unexpectedly read-only
Core changes:
- improved extent map handling in various ways (locking, iteration, ...)
- new assertions and locking annotations
- raid-stripe-tree locking fixes
- use xarray for tracking dirty qgroup extents, switched from rb-tree
- turn the subpage test to compile-time condition if possible (e.g.
on x86_64 with 4K pages), this allows to skip a lot of ifs and
remove dead code
- more preparatory work for compression in subpage mode
Cleanups and refactoring
- folio API conversions, many simple cases where page is passed so
switch it to folios
- more subpage code refactoring, update page state bitmap processing
- introduce auto free for btrfs_path structure, use for the simple
cases"
* tag 'for-6.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (110 commits)
btrfs: only unlock the to-be-submitted ranges inside a folio
btrfs: merge btrfs_folio_unlock_writer() into btrfs_folio_end_writer_lock()
btrfs: BTRFS_PATH_AUTO_FREE in orphan.c
btrfs: use btrfs_path auto free in zoned.c
btrfs: DEFINE_FREE for struct btrfs_path
btrfs: remove btrfs_folio_end_all_writers()
btrfs: constify more pointer parameters
btrfs: rework BTRFS_I as macro to preserve parameter const
btrfs: add and use helper to verify the calling task has locked the inode
btrfs: always update fstrim_range on failure in FITRIM ioctl
btrfs: convert copy_inline_to_page() to use folio
btrfs: convert btrfs_decompress() to take a folio
btrfs: convert zstd_decompress() to take a folio
btrfs: convert lzo_decompress() to take a folio
btrfs: convert zlib_decompress() to take a folio
btrfs: convert try_release_extent_mapping() to take a folio
btrfs: convert try_release_extent_state() to take a folio
btrfs: convert submit_eb_page() to take a folio
btrfs: convert submit_eb_subpage() to take a folio
btrfs: convert read_key_bytes() to take a folio
...
|
||
|
Linus Torvalds
|
effdcd5275 |
affs-for-6.12-tag
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||
|
Linus Torvalds
|
35219bc5c7 |
vfs-6.12.netfs
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Merge tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
"This contains the work to improve read/write performance for the new
netfs library.
The main performance enhancing changes are:
- Define a structure, struct folio_queue, and a new iterator type,
ITER_FOLIOQ, to hold a buffer as a replacement for ITER_XARRAY. See
that patch for questions about naming and form.
ITER_FOLIOQ is provided as a replacement for ITER_XARRAY. The
problem with an xarray is that accessing it requires the use of a
lock (typically the RCU read lock) - and this means that we can't
supply iterate_and_advance() with a step function that might sleep
(crypto for example) without having to drop the lock between pages.
ITER_FOLIOQ is the iterator for a chain of folio_queue structs,
where each folio_queue holds a small list of folios. A folio_queue
struct is a simpler structure than xarray and is not subject to
concurrent manipulation by the VM. folio_queue is used rather than
a bvec[] as it can form lists of indefinite size, adding to one end
and removing from the other on the fly.
- Provide a copy_folio_from_iter() wrapper.
- Make cifs RDMA support ITER_FOLIOQ.
- Use folio queues in the write-side helpers instead of xarrays.
- Add a function to reset the iterator in a subrequest.
- Simplify the write-side helpers to use sheaves to skip gaps rather
than trying to work out where gaps are.
- In afs, make the read subrequests asynchronous, putting them into
work items to allow the next patch to do progressive
unlocking/reading.
- Overhaul the read-side helpers to improve performance.
- Fix the caching of a partial block at the end of a file.
- Allow a store to be cancelled.
Then some changes for cifs to make it use folio queues instead of
xarrays for crypto bufferage:
- Use raw iteration functions rather than manually coding iteration
when hashing data.
- Switch to using folio_queue for crypto buffers.
- Remove the xarray bits.
Make some adjustments to the /proc/fs/netfs/stats file such that:
- All the netfs stats lines begin 'Netfs:' but change this to
something a bit more useful.
- Add a couple of stats counters to track the numbers of skips and
waits on the per-inode writeback serialisation lock to make it
easier to check for this as a source of performance loss.
Miscellaneous work:
- Ensure that the sb_writers lock is taken around
vfs_{set,remove}xattr() in the cachefiles code.
- Reduce the number of conditional branches in netfs_perform_write().
- Move the CIFS_INO_MODIFIED_ATTR flag to the netfs_inode struct and
remove cifs_post_modify().
- Move the max_len/max_nr_segs members from netfs_io_subrequest to
netfs_io_request as they're only needed for one subreq at a time.
- Add an 'unknown' source value for tracing purposes.
- Remove NETFS_COPY_TO_CACHE as it's no longer used.
- Set the request work function up front at allocation time.
- Use bh-disabling spinlocks for rreq->lock as cachefiles completion
may be run from block-filesystem DIO completion in softirq context.
- Remove fs/netfs/io.c"
* tag 'vfs-6.12.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (25 commits)
docs: filesystems: corrected grammar of netfs page
cifs: Don't support ITER_XARRAY
cifs: Switch crypto buffer to use a folio_queue rather than an xarray
cifs: Use iterate_and_advance*() routines directly for hashing
netfs: Cancel dirty folios that have no storage destination
cachefiles, netfs: Fix write to partial block at EOF
netfs: Remove fs/netfs/io.c
netfs: Speed up buffered reading
afs: Make read subreqs async
netfs: Simplify the writeback code
netfs: Provide an iterator-reset function
netfs: Use new folio_queue data type and iterator instead of xarray iter
cifs: Provide the capability to extract from ITER_FOLIOQ to RDMA SGEs
iov_iter: Provide copy_folio_from_iter()
mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios
netfs: Use bh-disabling spinlocks for rreq->lock
netfs: Set the request work function upon allocation
netfs: Remove NETFS_COPY_TO_CACHE
netfs: Reserve netfs_sreq_source 0 as unset/unknown
netfs: Move max_len/max_nr_segs from netfs_io_subrequest to netfs_io_stream
...
|
||
|
Linus Torvalds
|
9020d0d844 |
vfs-6.12.mount
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Merge tag 'vfs-6.12.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
"Recently, we added the ability to list mounts in other mount
namespaces and the ability to retrieve namespace file descriptors
without having to go through procfs by deriving them from pidfds.
This extends nsfs in two ways:
(1) Add the ability to retrieve information about a mount namespace
via NS_MNT_GET_INFO.
This will return the mount namespace id and the number of mounts
currently in the mount namespace. The number of mounts can be
used to size the buffer that needs to be used for listmount() and
is in general useful without having to actually iterate through
all the mounts.
The structure is extensible.
(2) Add the ability to iterate through all mount namespaces over
which the caller holds privilege returning the file descriptor
for the next or previous mount namespace.
To retrieve a mount namespace the caller must be privileged wrt
to it's owning user namespace. This means that PID 1 on the host
can list all mounts in all mount namespaces or that a container
can list all mounts of its nested containers.
Optionally pass a structure for NS_MNT_GET_INFO with
NS_MNT_GET_{PREV,NEXT} to retrieve information about the mount
namespace in one go.
(1) and (2) can be implemented for other namespace types easily.
Together with recent api additions this means one can iterate through
all mounts in all mount namespaces without ever touching procfs.
The commit message in
|
||
|
Linus Torvalds
|
e8fc317dfc |
vfs-6.12.procfs
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Merge tag 'vfs-6.12.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull procfs updates from Christian Brauner:
"This contains the following changes for procfs:
- Add config options and parameters to block forcing memory writes.
This adds a Kconfig option and boot param to allow removing the
FOLL_FORCE flag from /proc/<pid>/mem write calls as this can be
used in various attacks.
The traditional forcing behavior is kept as default because it can
break GDB and some other use cases.
This is the simpler version that you had requested.
- Restrict overmounting of ephemeral entities.
It is currently possible to mount on top of various ephemeral
entities in procfs. This specifically includes magic links. To
recap, magic links are links of the form /proc/<pid>/fd/<nr>. They
serve as references to a target file and during path lookup they
cause a jump to the target path. Such magic links disappear if the
corresponding file descriptor is closed.
Currently it is possible to overmount such magic links. This is
mostly interesting for an attacker that wants to somehow trick a
process into e.g., reopening something that it didn't intend to
reopen or to hide a malicious file descriptor.
But also it risks leaking mounts for long-running processes. When
overmounting a magic link like above, the mount will not be
detached when the file descriptor is closed. Only the target
mountpoint will disappear. Which has the consequence of making it
impossible to unmount that mount afterwards. So the mount will
stick around until the process exits and the /proc/<pid>/ directory
is cleaned up during proc_flush_pid() when the dentries are pruned
and invalidated.
That in turn means it's possible for a program to accidentally leak
mounts and it's also possible to make a task leak mounts without
it's knowledge if the attacker just keeps overmounting things under
/proc/<pid>/fd/<nr>.
Disallow overmounting of such ephemeral entities.
- Cleanup the readdir method naming in some procfs file operations.
- Replace kmalloc() and strcpy() with a simple kmemdup() call"
* tag 'vfs-6.12.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
proc: fold kmalloc() + strcpy() into kmemdup()
proc: block mounting on top of /proc/<pid>/fdinfo/*
proc: block mounting on top of /proc/<pid>/fd/*
proc: block mounting on top of /proc/<pid>/map_files/*
proc: add proc_splice_unmountable()
proc: proc_readfdinfo() -> proc_fdinfo_iterate()
proc: proc_readfd() -> proc_fd_iterate()
proc: add config & param to block forcing mem writes
|
||
|
Linus Torvalds
|
ee25861f26 |
vfs-6.12.fallocate
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||
|
Linus Torvalds
|
3352633ce6 |
vfs-6.12.file
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Merge tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs file updates from Christian Brauner:
"This is the work to cleanup and shrink struct file significantly.
Right now, (focusing on x86) struct file is 232 bytes. After this
series struct file will be 184 bytes aka 3 cacheline and a spare 8
bytes for future extensions at the end of the struct.
With struct file being as ubiquitous as it is this should make a
difference for file heavy workloads and allow further optimizations in
the future.
- struct fown_struct was embedded into struct file letting it take up
32 bytes in total when really it shouldn't even be embedded in
struct file in the first place. Instead, actual users of struct
fown_struct now allocate the struct on demand. This frees up 24
bytes.
- Move struct file_ra_state into the union containg the cleanup hooks
and move f_iocb_flags out of the union. This closes a 4 byte hole
we created earlier and brings struct file to 192 bytes. Which means
struct file is 3 cachelines and we managed to shrink it by 40
bytes.
- Reorder struct file so that nothing crosses a cacheline.
I suspect that in the future we will end up reordering some members
to mitigate false sharing issues or just because someone does
actually provide really good perf data.
- Shrinking struct file to 192 bytes is only part of the work.
Files use a slab that is SLAB_TYPESAFE_BY_RCU and when a kmem cache
is created with SLAB_TYPESAFE_BY_RCU the free pointer must be
located outside of the object because the cache doesn't know what
part of the memory can safely be overwritten as it may be needed to
prevent object recycling.
That has the consequence that SLAB_TYPESAFE_BY_RCU may end up
adding a new cacheline.
So this also contains work to add a new kmem_cache_create_rcu()
function that allows the caller to specify an offset where the
freelist pointer is supposed to be placed. Thus avoiding the
implicit addition of a fourth cacheline.
- And finally this removes the f_version member in struct file.
The f_version member isn't particularly well-defined. It is mainly
used as a cookie to detect concurrent seeks when iterating
directories. But it is also abused by some subsystems for
completely unrelated things.
It is mostly a directory and filesystem specific thing that doesn't
really need to live in struct file and with its wonky semantics it
really lacks a specific function.
For pipes, f_version is (ab)used to defer poll notifications until
a write has happened. And struct pipe_inode_info is used by
multiple struct files in their ->private_data so there's no chance
of pushing that down into file->private_data without introducing
another pointer indirection.
But pipes don't rely on f_pos_lock so this adds a union into struct
file encompassing f_pos_lock and a pipe specific f_pipe member that
pipes can use. This union of course can be extended to other file
types and is similar to what we do in struct inode already"
* tag 'vfs-6.12.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (26 commits)
fs: remove f_version
pipe: use f_pipe
fs: add f_pipe
ubifs: store cookie in private data
ufs: store cookie in private data
udf: store cookie in private data
proc: store cookie in private data
ocfs2: store cookie in private data
input: remove f_version abuse
ext4: store cookie in private data
ext2: store cookie in private data
affs: store cookie in private data
fs: add generic_llseek_cookie()
fs: use must_set_pos()
fs: add must_set_pos()
fs: add vfs_setpos_cookie()
s390: remove unused f_version
ceph: remove unused f_version
adi: remove unused f_version
mm: Removed @freeptr_offset to prevent doc warning
...
|
||
|
Linus Torvalds
|
2775df6e5e |
vfs-6.12.folio
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCZuQEvgAKCRCRxhvAZXjc ou77AQD3U1KjbdgzbUi6kaUmiiWOPhfYTlm8mho8dBjqvTCB+AD/XTWSFCWWhHB4 KyQZTbjRD81xmVNbKjASazp0EA6Ahwc= =gIsD -----END PGP SIGNATURE----- Merge tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs Pull vfs folio updates from Christian Brauner: "This contains work to port write_begin and write_end to rely on folios for various filesystems. This converts ocfs2, vboxfs, orangefs, jffs2, hostfs, fuse, f2fs, ecryptfs, ntfs3, nilfs2, reiserfs, minixfs, qnx6, sysv, ufs, and squashfs. After this series lands a bunch of the filesystems in this list do not mention struct page anymore" * tag 'vfs-6.12.folio' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (61 commits) Squashfs: Ensure all readahead pages have been used Squashfs: Rewrite and update squashfs_readahead_fragment() to not use page->index Squashfs: Update squashfs_readpage_block() to not use page->index Squashfs: Update squashfs_readahead() to not use page->index Squashfs: Update page_actor to not use page->index jffs2: Use a folio in jffs2_garbage_collect_dnode() jffs2: Convert jffs2_do_readpage_nolock to take a folio buffer: Convert __block_write_begin() to take a folio ocfs2: Convert ocfs2_write_zero_page to use a folio fs: Convert aops->write_begin to take a folio fs: Convert aops->write_end to take a folio vboxsf: Use a folio in vboxsf_write_end() orangefs: Convert orangefs_write_begin() to use a folio orangefs: Convert orangefs_write_end() to use a folio jffs2: Convert jffs2_write_begin() to use a folio jffs2: Convert jffs2_write_end() to use a folio hostfs: Convert hostfs_write_end() to use a folio fuse: Convert fuse_write_begin() to use a folio fuse: Convert fuse_write_end() to use a folio f2fs: Convert f2fs_write_begin() to use a folio ... |
||
|
Linus Torvalds
|
8f72c31f45 |
vfs-6.12.misc
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Merge tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"This contains the usual pile of misc updates:
Features:
- Add F_CREATED_QUERY fcntl() that allows userspace to query whether
a file was actually created. Often userspace wants to know whether
an O_CREATE request did actually create a file without using
O_EXCL. The current logic is that to first attempts to open the
file without O_CREAT | O_EXCL and if ENOENT is returned userspace
tries again with both flags. If that succeeds all is well. If it
now reports EEXIST it retries.
That works fairly well but some corner cases make this more
involved. If this operates on a dangling symlink the first openat()
without O_CREAT | O_EXCL will return ENOENT but the second openat()
with O_CREAT | O_EXCL will fail with EEXIST.
The reason is that openat() without O_CREAT | O_EXCL follows the
symlink while O_CREAT | O_EXCL doesn't for security reasons. So
it's not something we can really change unless we add an explicit
opt-in via O_FOLLOW which seems really ugly.
All available workarounds are really nasty (fanotify, bpf lsm etc)
so add a simple fcntl().
- Try an opportunistic lookup for O_CREAT. Today, when opening a file
we'll typically do a fast lookup, but if O_CREAT is set, the kernel
always takes the exclusive inode lock. This was likely done with
the expectation that O_CREAT means that we always expect to do the
create, but that's often not the case. Many programs set O_CREAT
even in scenarios where the file already exists (see related
F_CREATED_QUERY patch motivation above).
The series contained in the pr rearranges the pathwalk-for-open
code to also attempt a fast_lookup in certain O_CREAT cases. If a
positive dentry is found, the inode_lock can be avoided altogether
and it can stay in rcuwalk mode for the last step_into.
- Expose the 64 bit mount id via name_to_handle_at()
Now that we provide a unique 64-bit mount ID interface in statx(2),
we can now provide a race-free way for name_to_handle_at(2) to
provide a file handle and corresponding mount without needing to
worry about racing with /proc/mountinfo parsing or having to open a
file just to do statx(2).
While this is not necessary if you are using AT_EMPTY_PATH and
don't care about an extra statx(2) call, users that pass full paths
into name_to_handle_at(2) need to know which mount the file handle
comes from (to make sure they don't try to open_by_handle_at a file
handle from a different filesystem) and switching to AT_EMPTY_PATH
would require allocating a file for every name_to_handle_at(2) call
- Add a per dentry expire timeout to autofs
There are two fairly well known automounter map formats, the autofs
format and the amd format (more or less System V and Berkley).
Some time ago Linux autofs added an amd map format parser that
implemented a fair amount of the amd functionality. This was done
within the autofs infrastructure and some functionality wasn't
implemented because it either didn't make sense or required extra
kernel changes. The idea was to restrict changes to be within the
existing autofs functionality as much as possible and leave changes
with a wider scope to be considered later.
One of these changes is implementing the amd options:
1) "unmount", expire this mount according to a timeout (same as
the current autofs default).
2) "nounmount", don't expire this mount (same as setting the
autofs timeout to 0 except only for this specific mount) .
3) "utimeout=<seconds>", expire this mount using the specified
timeout (again same as setting the autofs timeout but only for
this mount)
To implement these options per-dentry expire timeouts need to be
implemented for autofs indirect mounts. This is because all map
keys (mounts) for autofs indirect mounts use an expire timeout
stored in the autofs mount super block info. structure and all
indirect mounts use the same expire timeout.
Fixes:
- Fix missing fput for FSCONFIG_SET_FD in autofs
- Use param->file for FSCONFIG_SET_FD in coda
- Delete the 'fs/netfs' proc subtreee when netfs module exits
- Make sure that struct uid_gid_map fits into a single cacheline
- Don't flush in-flight wb switches for superblocks without cgroup
writeback
- Correcting the idmapping mount example in the idmapping
documentation
- Fix a race between evice_inodes() and find_inode() and iput()
- Refine the show_inode_state() macro definition in writeback code
- Prevent dump_mapping() from accessing invalid dentry.d_name.name
- Show actual source for debugfs in /proc/mounts
- Annotate data-race of busy_poll_usecs in eventpoll
- Don't WARN for racy path_noexec check in exec code
- Handle OOM on mnt_warn_timestamp_expiry()
- Fix some spelling in the iomap design documentation
- Fix typo in procfs comment
- Fix typo in fs/namespace.c comment
Cleanups:
- Add the VFS git tree to the MAINTAINERS file
- Move FMODE_UNSIGNED_OFFSET to fop_flags freeing up another f_mode
bit in struct file bringing us to 5 free f_mode bits
- Remove the __I_DIO_WAKEUP bit from i_state flags as we can simplify
the wait mechanism
- Remove the unused path_put_init() helper
- Replace a __u32 with u32 for s_fsnotify_mask as __u32 is uapi
specific
- Replace the unsigned long i_state member with a u32 i_state member
in struct inode freeing up 4 bytes in struct inode. Instead of
using the bit based wait apis we're now using the var event apis
and using the individual bytes of the i_state member to wait on
state changes
- Explain how per-syscall AT_* flags should be allocated
- Use in_group_or_capable() helper to simplify the posix acl mode
update code
- Switch to LIST_HEAD() in fsync_buffers_list() to simplify the code
- Removed comment about d_rcu_to_refcount() as that function doesn't
exist anymore
- Add kernel documentation for lookup_fast()
- Don't re-zero evenpoll fields
- Remove outdated comment after close_fd()
- Fix imprecise wording in comment about the pipe filesystem
- Drop GFP_NOFAIL mode from alloc_page_buffers
- Missing blank line warnings and struct declaration improved in
file_table
- Annotate struct poll_list with __counted_by()
- Remove the unused read parameter in percpu-rwsem
- Remove linux/prefetch.h include from direct-io code
- Use kmemdup_array instead of kmemdup for multiple allocation in
mnt_idmapping code
- Remove unused mnt_cursor_del() declaration
Performance tweaks:
- Dodge smp_mb in break_lease and break_deleg in the common case
- Only read fops once in fops_{get,put}()
- Use RCU in ilookup()
- Elide smp_mb in iversion handling in the common case
- Drop one lock trip in evict()"
* tag 'vfs-6.12.misc' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (58 commits)
uidgid: make sure we fit into one cacheline
proc: Fix typo in the comment
fs/pipe: Correct imprecise wording in comment
fhandle: expose u64 mount id to name_to_handle_at(2)
uapi: explain how per-syscall AT_* flags should be allocated
fs: drop GFP_NOFAIL mode from alloc_page_buffers
writeback: Refine the show_inode_state() macro definition
fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name
mnt_idmapping: Use kmemdup_array instead of kmemdup for multiple allocation
netfs: Delete subtree of 'fs/netfs' when netfs module exits
fs: use LIST_HEAD() to simplify code
inode: make i_state a u32
inode: port __I_LRU_ISOLATING to var event
vfs: fix race between evice_inodes() and find_inode()&iput()
inode: port __I_NEW to var event
inode: port __I_SYNC to var event
fs: reorder i_state bits
fs: add i_state helpers
MAINTAINERS: add the VFS git tree
fs: s/__u32/u32/ for s_fsnotify_mask
...
|
||
|
Linus Torvalds
|
d22300518d |
Thermal control updates for 6.12-rc1
- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki).
- Update the thermal sysfs code to store trip point attributes in trip
descriptors and get to trip points via attribute pointers (Rafael
Wysocki).
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano).
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki).
- Replace the thermal zone .bind() and .unbind() callbacks for binding
cooling devices to thermal zones with one .should_bind() callback
used for deciding whether or not a given cooling devices should be
bound to a given trip point in a given thermal zone (Rafael Wysocki).
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki).
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki).
- Refuse to accept trip point temperature or hysteresis that would lead
to an invalid threshold value when setting them via sysfs (Rafael
Wysocki).
- Adjust states of all uninitialized instances in the .manage()
callback of the Bang-bang thermal governor (Rafael Wysocki).
- Drop a couple of redundant checks along with the code depending on
them from the thermal core (Rafael Wysocki).
- Rearrange the thermal core to avoid redundant checks and simplify
control flow in a couple of code paths (Rafael Wysocki).
- Add power domain DT bindings for new Amlogic SoCs (Georges Stark).
- Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() in the ST
driver and add a Kconfig dependency on THERMAL_OF subsystem for the
STi driver (Raphael Gallais-Pou).
- Simplify the error code path in the probe functions in the brcmstb
driver with the helo of dev_err_probe() (Yan Zhen).
- Make imx_sc_thermal use dev_err_probe() (Alexander Stein).
- Remove trailing space after \n newline in the Renesas driver (Colin
Ian King).
- Add DT binding compatible string for the SA8255p to the tsens thermal
driver (Nikunj Kela).
- Use the devm_clk_get_enabled() helpers to simplify the init routine
in the sprd thermal driver (Huan Yang).
- Remove __maybe_unused notations for the functions by using the new
RUNTIME_PM_OPS() and SYSTEM_SLEEP_PM_OPS() macros on the IMx and
Qoriq drivers (Fabio Estevam)
- Remove unused declarations from the ti-soc-thermal driver's header
file as the functions in question were removed previously (Zhang
Zekun).
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Merge tag 'thermal-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These mostly continue to rework the thermal core and the thermal zone
driver interface to make the code more straightforward and reduce
bloat
The most significant piece of this work is a change of the code
related to binding cooling devices to thermal zones which, among other
things, replaces two previously existing thermal zone operations with
one allowing driver implementations to be much simpler
There is also a new thermal core testing module allowing mock thermal
zones to be created and controlled via debugfs in order to exercise
the thermal core functionality. It is expected to be used for
implementing thermal core self tests in the future
Apart from the above, there are assorted thermal driver updates
Specifics:
- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki)
- Update the thermal sysfs code to store trip point attributes in
trip descriptors and get to trip points via attribute pointers
(Rafael Wysocki)
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano)
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki)
- Replace the thermal zone .bind() and .unbind() callbacks for
binding cooling devices to thermal zones with one .should_bind()
callback used for deciding whether or not a given cooling devices
should be bound to a given trip point in a given thermal zone
(Rafael Wysocki)
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki)
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki)
- Refuse to accept trip point temperature or hysteresis that would
lead to an invalid threshold value when setting them via sysfs
(Rafael Wysocki)
- Adjust states of all uninitialized instances in the .manage()
callback of the Bang-bang thermal governor (Rafael Wysocki)
- Drop a couple of redundant checks along with the code depending on
them from the thermal core (Rafael Wysocki)
- Rearrange the thermal core to avoid redundant checks and simplify
control flow in a couple of code paths (Rafael Wysocki)
- Add power domain DT bindings for new Amlogic SoCs (Georges Stark)
- Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() in the ST
driver and add a Kconfig dependency on THERMAL_OF subsystem for the
STi driver (Raphael Gallais-Pou)
- Simplify the error code path in the probe functions in the brcmstb
driver with the helo of dev_err_probe() (Yan Zhen)
- Make imx_sc_thermal use dev_err_probe() (Alexander Stein)
- Remove trailing space after \n newline in the Renesas driver (Colin
Ian King)
- Add DT binding compatible string for the SA8255p to the tsens
thermal driver (Nikunj Kela)
- Use the devm_clk_get_enabled() helpers to simplify the init routine
in the sprd thermal driver (Huan Yang)
- Remove __maybe_unused notations for the functions by using the new
RUNTIME_PM_OPS() and SYSTEM_SLEEP_PM_OPS() macros on the IMx and
Qoriq drivers (Fabio Estevam)
- Remove unused declarations from the ti-soc-thermal driver's header
file as the functions in question were removed previously (Zhang
Zekun)"
* tag 'thermal-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (48 commits)
thermal: core: Drop thermal_zone_device_is_enabled()
thermal: core: Check passive delay in monitor_thermal_zone()
thermal: core: Drop dead code from monitor_thermal_zone()
thermal: core: Drop redundant lockdep_assert_held()
thermal: gov_bang_bang: Adjust states of all uninitialized instances
thermal: sysfs: Add sanity checks for trip temperature and hysteresis
thermal/drivers/imx_sc_thermal: Use dev_err_probe
thermal/drivers/ti-soc-thermal: Remove unused declarations
thermal/drivers/imx: Remove __maybe_unused notations
thermal/drivers/qoriq: Remove __maybe_unused notations
thermal/drivers/sprd: Use devm_clk_get_enabled() helpers
dt-bindings: thermal: tsens: document support on SA8255p
thermal/drivers/renesas: Remove trailing space after \n newline
thermal/drivers/brcmstb_thermal: Simplify with dev_err_probe()
thermal/drivers/sti: Depend on THERMAL_OF subsystem
thermal/drivers/st: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
dt-bindings: thermal: amlogic,thermal: add optional power-domains
thermal: core: Drop tz field from struct thermal_instance
thermal: core: Drop redundant checks from thermal_bind_cdev_to_trip()
thermal: core: Rename cdev-to-thermal-zone bind/unbind functions
...
|
||
|
Linus Torvalds
|
02824a5fd1 |
Power management updates for 6.12-rc1
- Remove LATENCY_MULTIPLIER from cpufreq (Qais Yousef).
- Add support for Granite Rapids and Sierra Forest in OOB mode to the
intel_pstate cpufreq driver (Srinivas Pandruvada).
- Add basic support for CPU capacity scaling on x86 and make the
intel_pstate driver set asymmetric CPU capacity on hybrid systems
without SMT (Rafael Wysocki).
- Add missing MODULE_DESCRIPTION() macros to the powerpc cpufreq
driver (Jeff Johnson).
- Several OF related cleanups in cpufreq drivers (Rob Herring).
- Enable COMPILE_TEST for ARM drivers (Rob Herrring).
- Introduce quirks for syscon failures and use socinfo to get revision
for TI cpufreq driver (Dhruva Gole, Nishanth Menon).
- Minor cleanups in amd-pstate driver (Anastasia Belova, Dhananjay
Ugwekar).
- Minor cleanups for loongson, cpufreq-dt and powernv cpufreq drivers
(Danila Tikhonov, Huacai Chen, and Liu Jing).
- Make amd-pstate validate return of any attempt to update EPP limits,
which fixes the masking hardware problems (Mario Limonciello).
- Move the calculation of the AMD boost numerator outside of amd-pstate,
correcting acpi-cpufreq on systems with preferred cores (Mario
Limonciello).
- Harden preferred core detection in amd-pstate to avoid potential
false positives (Mario Limonciello).
- Add extra unit test coverage for mode state machine (Mario
Limonciello).
- Fix an "Uninitialized variables" issue in amd-pstste (Qianqiang Liu).
- Add Granite Rapids Xeon support to intel_idle (Artem Bityutskiy).
- Disable promotion to C1E on Jasper Lake and Elkhart Lake in
intel_idle (Kai-Heng Feng).
- Use scoped device node handling to fix missing of_node_put() and
simplify walking OF children in the riscv-sbi cpuidle driver (Krzysztof
Kozlowski).
- Remove dead code from cpuidle_enter_state() (Dhruva Gole).
- Change an error pointer to NULL to fix error handling in the
intel_rapl power capping driver (Dan Carpenter).
- Fix off by one in get_rpi() in the intel_rapl power capping
driver (Dan Carpenter).
- Add support for ArrowLake-U to the intel_rapl power capping
driver (Sumeet Pawnikar).
- Fix the energy-pkg event for AMD CPUs in the intel_rapl power capping
driver (Dhananjay Ugwekar).
- Add support for AMD family 1Ah processors to the intel_rapl power
capping driver (Dhananjay Ugwekar).
- Remove unused stub for saveable_highmem_page() and remove deprecated
macros from power management documentation (Andy Shevchenko).
- Use ysfs_emit() and sysfs_emit_at() in "show" functions in the PM
sysfs interface (Xueqin Luo).
- Update the maintainers information for the operating-points-v2-ti-cpu DT
binding (Dhruva Gole).
- Drop unnecessary of_match_ptr() from ti-opp-supply (Rob Herring).
- Add missing MODULE_DESCRIPTION() macros to devfreq governors (Jeff
Johnson).
- Use devm_clk_get_enabled() in the exynos-bus devfreq driver (Anand
Moon).
- Use of_property_present() instead of of_get_property() in the imx-bus
devfreq driver (Rob Herring).
- Update directory handling and installation process in the pm-graph
Makefile and add .gitignore to ignore sleepgraph.py artifacts to
pm-graph (Amit Vadhavana, Yo-Jung Lin).
- Make cpupower display residency value in idle-info (Aboorva
Devarajan).
- Add missing powercap_set_enabled() stub function to cpupower (John
B. Wyatt IV).
- Add SWIG support to cpupower (John B. Wyatt IV).
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Merge tag 'pm-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"By the number of new lines of code, the most visible change here is
the addition of hybrid CPU capacity scaling support to the
intel_pstate driver. Next are the amd-pstate driver changes related to
the calculation of the AMD boost numerator and preferred core
detection.
As far as new hardware support is concerned, the intel_idle driver
will now handle Granite Rapids Xeon processors natively, the
intel_rapl power capping driver will recognize family 1Ah of AMD
processors and Intel ArrowLake-U chipos, and intel_pstate will handle
Granite Rapids and Sierra Forest chips in the out-of-band (OOB) mode.
Apart from the above, there is a usual collection of assorted fixes
and code cleanups in many places and there are tooling updates.
Specifics:
- Remove LATENCY_MULTIPLIER from cpufreq (Qais Yousef)
- Add support for Granite Rapids and Sierra Forest in OOB mode to the
intel_pstate cpufreq driver (Srinivas Pandruvada)
- Add basic support for CPU capacity scaling on x86 and make the
intel_pstate driver set asymmetric CPU capacity on hybrid systems
without SMT (Rafael Wysocki)
- Add missing MODULE_DESCRIPTION() macros to the powerpc cpufreq
driver (Jeff Johnson)
- Several OF related cleanups in cpufreq drivers (Rob Herring)
- Enable COMPILE_TEST for ARM drivers (Rob Herrring)
- Introduce quirks for syscon failures and use socinfo to get
revision for TI cpufreq driver (Dhruva Gole, Nishanth Menon)
- Minor cleanups in amd-pstate driver (Anastasia Belova, Dhananjay
Ugwekar)
- Minor cleanups for loongson, cpufreq-dt and powernv cpufreq drivers
(Danila Tikhonov, Huacai Chen, and Liu Jing)
- Make amd-pstate validate return of any attempt to update EPP
limits, which fixes the masking hardware problems (Mario
Limonciello)
- Move the calculation of the AMD boost numerator outside of
amd-pstate, correcting acpi-cpufreq on systems with preferred cores
(Mario Limonciello)
- Harden preferred core detection in amd-pstate to avoid potential
false positives (Mario Limonciello)
- Add extra unit test coverage for mode state machine (Mario
Limonciello)
- Fix an "Uninitialized variables" issue in amd-pstste (Qianqiang
Liu)
- Add Granite Rapids Xeon support to intel_idle (Artem Bityutskiy)
- Disable promotion to C1E on Jasper Lake and Elkhart Lake in
intel_idle (Kai-Heng Feng)
- Use scoped device node handling to fix missing of_node_put() and
simplify walking OF children in the riscv-sbi cpuidle driver
(Krzysztof Kozlowski)
- Remove dead code from cpuidle_enter_state() (Dhruva Gole)
- Change an error pointer to NULL to fix error handling in the
intel_rapl power capping driver (Dan Carpenter)
- Fix off by one in get_rpi() in the intel_rapl power capping driver
(Dan Carpenter)
- Add support for ArrowLake-U to the intel_rapl power capping driver
(Sumeet Pawnikar)
- Fix the energy-pkg event for AMD CPUs in the intel_rapl power
capping driver (Dhananjay Ugwekar)
- Add support for AMD family 1Ah processors to the intel_rapl power
capping driver (Dhananjay Ugwekar)
- Remove unused stub for saveable_highmem_page() and remove
deprecated macros from power management documentation (Andy
Shevchenko)
- Use ysfs_emit() and sysfs_emit_at() in "show" functions in the PM
sysfs interface (Xueqin Luo)
- Update the maintainers information for the
operating-points-v2-ti-cpu DT binding (Dhruva Gole)
- Drop unnecessary of_match_ptr() from ti-opp-supply (Rob Herring)
- Add missing MODULE_DESCRIPTION() macros to devfreq governors (Jeff
Johnson)
- Use devm_clk_get_enabled() in the exynos-bus devfreq driver (Anand
Moon)
- Use of_property_present() instead of of_get_property() in the
imx-bus devfreq driver (Rob Herring)
- Update directory handling and installation process in the pm-graph
Makefile and add .gitignore to ignore sleepgraph.py artifacts to
pm-graph (Amit Vadhavana, Yo-Jung Lin)
- Make cpupower display residency value in idle-info (Aboorva
Devarajan)
- Add missing powercap_set_enabled() stub function to cpupower (John
B. Wyatt IV)
- Add SWIG support to cpupower (John B. Wyatt IV)"
* tag 'pm-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (62 commits)
cpufreq/amd-pstate-ut: Fix an "Uninitialized variables" issue
cpufreq/amd-pstate-ut: Add test case for mode switches
cpufreq/amd-pstate: Export symbols for changing modes
amd-pstate: Add missing documentation for `amd_pstate_prefcore_ranking`
cpufreq: amd-pstate: Add documentation for `amd_pstate_hw_prefcore`
cpufreq: amd-pstate: Optimize amd_pstate_update_limits()
cpufreq: amd-pstate: Merge amd_pstate_highest_perf_set() into amd_get_boost_ratio_numerator()
x86/amd: Detect preferred cores in amd_get_boost_ratio_numerator()
x86/amd: Move amd_get_highest_perf() out of amd-pstate
ACPI: CPPC: Adjust debug messages in amd_set_max_freq_ratio() to warn
ACPI: CPPC: Drop check for non zero perf ratio
x86/amd: Rename amd_get_highest_perf() to amd_get_boost_ratio_numerator()
ACPI: CPPC: Adjust return code for inline functions in !CONFIG_ACPI_CPPC_LIB
x86/amd: Move amd_get_highest_perf() from amd.c to cppc.c
PM: hibernate: Remove unused stub for saveable_highmem_page()
pm:cpupower: Add error warning when SWIG is not installed
MAINTAINERS: Add Maintainers for SWIG Python bindings
pm:cpupower: Include test_raw_pylibcpupower.py
pm:cpupower: Add SWIG bindings files for libcpupower
pm:cpupower: Add missing powercap_set_enabled() stub function
...
|
||
|
Linus Torvalds
|
11b3125073 |
ACPI updates for 6.12-rc1
- Check return value in acpi_db_convert_to_package() (Pei Xiao).
- Detect FACS and allow setting the waking vector on reduced-hardware
ACPI platforms (Jiaqing Zhao).
- Allow ACPICA to represent semaphores as integers (Adrien Destugues).
- Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui).
- Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to
DBG2 (Sia Jee Heng).
- Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose
Marinho).
- Correct the typo in struct acpi_mpam_msc_node member (Punit Agrawal).
- Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to
prevent a Stall() violation warning from being printed every time
this takes place (Vasily Khoruzhick).
- Allow PCC Data Type in MCTP resource (Adam Young).
- Fix memory leaks on acpi_ps_get_next_namepath()
and acpi_ps_get_next_field() failures (Armin Wolf).
- Add support for supressing leading zeros in hex strings when
converting them to integers and update integer-to-hex-string
conversions in ACPICA (Armin Wolf).
- Add support for Windows 11 22H2 _OSI string (Armin Wolf).
- Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski).
- Add extended linear address mode to HMAT MSCIS in ACPICA (Dave
Jiang).
- Handle empty connection_node in iasl (Aleksandrs Vinarskis).
- Allow for more flexibility in _DSM args (Saket Dumbre).
- Setup for ACPICA release 20240827 (Saket Dumbre).
- Add ACPI device enumeration support for interrupt controller probing
including taking dependencies into account (Sunil V L).
- Implement ACPI-based interrupt controller probing on RISC-V (Sunil V L).
- Add ACPI support for AIA in riscv-intc and add ACPI support to
riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L).
- Do not release locks during operation region accesses in the ACPI EC
driver (Rafael Wysocki).
- Fix up the _STR handling in the ACPI device object sysfs interface,
make it represent the device object attributes as an attribute group
and make it rely on driver core functionality for sysfs attrubute
management (Thomas Weißschuh).
- Extend error messages printed to the kernel log when acpi_evaluate_dsm()
fails to include revision and function number (David Wang).
- Add a new AMDI0015 platform device ID to the ACPi APD driver for AMD
SoCs (Shyam Sundar S K).
- Use the driver core for the async probing management in the ACPI
battery driver (Thomas Weißschuh).
- Remove redundant initalizations of a local variable to NULL from the
ACPI battery driver (Ilpo Järvinen).
- Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr
Mishin).
- Add support for setting the EPP register through the ACPI CPPC sysfs
interface if it is in FFH (Mario Limonciello).
- Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger).
- Reduce the log level of a per-CPU message about idle states in the
ACPI processor driver (Li RongQing).
- Fix crash in exit_round_robin() in the ACPI processor aggregator
device (PAD) driver (Seiji Nishikawa).
- Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI
backlight driver (Hans de Goede).
- Make the DMI checks related to backlight handling on Lenovo Yoga
Tab 3 X90F less strict (Hans de Goede).
- Enforce native backlight handling on Apple MacbookPro9,2 (Esther
Shimanovich).
- Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV
GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim Khan,
Werner Sembach).
- Quirk ASUS ROG M16 to default to S3 sleep (Luke D. Jones).
- Define and use symbols for device and class name lengths in the ACPI
bus type code and make the code use strscpy() instead of strcpy() in
several places (Muhammad Qasim Abdul Majeed).
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Merge tag 'acpi-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream version
20240827, add support for ACPI-based enumeration of interrupt
controllers on RISC-V along with some related irqchip updates, clean
up the ACPI device object sysfs interface, add some quirks for
backlight handling and IRQ overrides, fix assorted issues and clean up
code.
Specifics:
- Check return value in acpi_db_convert_to_package() (Pei Xiao)
- Detect FACS and allow setting the waking vector on reduced-hardware
ACPI platforms (Jiaqing Zhao)
- Allow ACPICA to represent semaphores as integers (Adrien Destugues)
- Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui)
- Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to
DBG2 (Sia Jee Heng)
- Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose
Marinho)
- Correct the typo in struct acpi_mpam_msc_node member (Punit
Agrawal)
- Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to
prevent a Stall() violation warning from being printed every time
this takes place (Vasily Khoruzhick)
- Allow PCC Data Type in MCTP resource (Adam Young)
- Fix memory leaks on acpi_ps_get_next_namepath() and
acpi_ps_get_next_field() failures (Armin Wolf)
- Add support for supressing leading zeros in hex strings when
converting them to integers and update integer-to-hex-string
conversions in ACPICA (Armin Wolf)
- Add support for Windows 11 22H2 _OSI string (Armin Wolf)
- Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski)
- Add extended linear address mode to HMAT MSCIS in ACPICA (Dave
Jiang)
- Handle empty connection_node in iasl (Aleksandrs Vinarskis)
- Allow for more flexibility in _DSM args (Saket Dumbre)
- Setup for ACPICA release 20240827 (Saket Dumbre)
- Add ACPI device enumeration support for interrupt controller
probing including taking dependencies into account (Sunil V L)
- Implement ACPI-based interrupt controller probing on RISC-V
(Sunil V L)
- Add ACPI support for AIA in riscv-intc and add ACPI support to
riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L)
- Do not release locks during operation region accesses in the ACPI
EC driver (Rafael Wysocki)
- Fix up the _STR handling in the ACPI device object sysfs interface,
make it represent the device object attributes as an attribute
group and make it rely on driver core functionality for sysfs
attrubute management (Thomas Weißschuh)
- Extend error messages printed to the kernel log when
acpi_evaluate_dsm() fails to include revision and function number
(David Wang)
- Add a new AMDI0015 platform device ID to the ACPi APD driver for
AMD SoCs (Shyam Sundar S K)
- Use the driver core for the async probing management in the ACPI
battery driver (Thomas Weißschuh)
- Remove redundant initalizations of a local variable to NULL from
the ACPI battery driver (Ilpo Järvinen)
- Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr
Mishin)
- Add support for setting the EPP register through the ACPI CPPC
sysfs interface if it is in FFH (Mario Limonciello)
- Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger)
- Reduce the log level of a per-CPU message about idle states in the
ACPI processor driver (Li RongQing)
- Fix crash in exit_round_robin() in the ACPI processor aggregator
device (PAD) driver (Seiji Nishikawa)
- Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI
backlight driver (Hans de Goede)
- Make the DMI checks related to backlight handling on Lenovo Yoga
Tab 3 X90F less strict (Hans de Goede)
- Enforce native backlight handling on Apple MacbookPro9,2 (Esther
Shimanovich)
- Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV
GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim
Khan, Werner Sembach)
- Quirk ASUS ROG M16 to default to S3 sleep (Luke D. Jones)
- Define and use symbols for device and class name lengths in the
ACPI bus type code and make the code use strscpy() instead of
strcpy() in several places (Muhammad Qasim Abdul Majeed)"
* tag 'acpi-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (70 commits)
ACPI: resource: Add another DMI match for the TongFang GMxXGxx
ACPI: CPPC: Add support for setting EPP register in FFH
ACPI: PM: Quirk ASUS ROG M16 to default to S3 sleep
ACPI: video: Add force_vendor quirk for Panasonic Toughbook CF-18
ACPI: battery: use driver core managed async probing
ACPI: button: Use strscpy() instead of strcpy()
ACPI: resource: Skip IRQ override on Asus Vivobook Go E1404GAB
ACPI: CPPC: Fix MASK_VAL() usage
irqchip/sifive-plic: Add ACPI support
ACPICA: Setup for ACPICA release 20240827
ACPICA: Allow for more flexibility in _DSM args
ACPICA: iasl: handle empty connection_node
ACPICA: HMAT: Add extended linear address mode to MSCIS
ACPICA: Avoid warning for Dump Functions
ACPICA: Add support for Windows 11 22H2 _OSI string
ACPICA: Update integer-to-hex-string conversions
ACPICA: Add support for supressing leading zeros in hex strings
ACPICA: Allow for supressing leading zeros when using acpi_ex_convert_to_ascii()
ACPICA: Fix memory leak if acpi_ps_get_next_field() fails
ACPICA: Fix memory leak if acpi_ps_get_next_namepath() fails
...
|
||
|
Linus Torvalds
|
64dd3b6a79 |
ARM:
* New Stage-2 page table dumper, reusing the main ptdump infrastructure
* FP8 support
* Nested virtualization now supports the address translation (FEAT_ATS1A)
family of instructions
* Add selftest checks for a bunch of timer emulation corner cases
* Fix multiple cases where KVM/arm64 doesn't correctly handle the guest
trying to use a GICv3 that wasn't advertised
* Remove REG_HIDDEN_USER from the sysreg infrastructure, making
things little simpler
* Prevent MTE tags being restored by userspace if we are actively
logging writes, as that's a recipe for disaster
* Correct the refcount on a page that is not considered for MTE tag
copying (such as a device)
* When walking a page table to split block mappings, synchronize only
at the end the walk rather than on every store
* Fix boundary check when transfering memory using FFA
* Fix pKVM TLB invalidation, only affecting currently out of tree
code but worth addressing for peace of mind
LoongArch:
* Revert qspinlock to test-and-set simple lock on VM.
* Add Loongson Binary Translation extension support.
* Add PMU support for guest.
* Enable paravirt feature control from VMM.
* Implement function kvm_para_has_feature().
RISC-V:
* Fix sbiret init before forwarding to userspace
* Don't zero-out PMU snapshot area before freeing data
* Allow legacy PMU access from guest
* Fix to allow hpmcounter31 from the guest
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Merge tag 'for-linus-non-x86' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"These are the non-x86 changes (mostly ARM, as is usually the case).
The generic and x86 changes will come later"
ARM:
- New Stage-2 page table dumper, reusing the main ptdump
infrastructure
- FP8 support
- Nested virtualization now supports the address translation
(FEAT_ATS1A) family of instructions
- Add selftest checks for a bunch of timer emulation corner cases
- Fix multiple cases where KVM/arm64 doesn't correctly handle the
guest trying to use a GICv3 that wasn't advertised
- Remove REG_HIDDEN_USER from the sysreg infrastructure, making
things little simpler
- Prevent MTE tags being restored by userspace if we are actively
logging writes, as that's a recipe for disaster
- Correct the refcount on a page that is not considered for MTE tag
copying (such as a device)
- When walking a page table to split block mappings, synchronize only
at the end the walk rather than on every store
- Fix boundary check when transfering memory using FFA
- Fix pKVM TLB invalidation, only affecting currently out of tree
code but worth addressing for peace of mind
LoongArch:
- Revert qspinlock to test-and-set simple lock on VM.
- Add Loongson Binary Translation extension support.
- Add PMU support for guest.
- Enable paravirt feature control from VMM.
- Implement function kvm_para_has_feature().
RISC-V:
- Fix sbiret init before forwarding to userspace
- Don't zero-out PMU snapshot area before freeing data
- Allow legacy PMU access from guest
- Fix to allow hpmcounter31 from the guest"
* tag 'for-linus-non-x86' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (64 commits)
LoongArch: KVM: Implement function kvm_para_has_feature()
LoongArch: KVM: Enable paravirt feature control from VMM
LoongArch: KVM: Add PMU support for guest
KVM: arm64: Get rid of REG_HIDDEN_USER visibility qualifier
KVM: arm64: Simplify visibility handling of AArch32 SPSR_*
KVM: arm64: Simplify handling of CNTKCTL_EL12
LoongArch: KVM: Add vm migration support for LBT registers
LoongArch: KVM: Add Binary Translation extension support
LoongArch: KVM: Add VM feature detection function
LoongArch: Revert qspinlock to test-and-set simple lock on VM
KVM: arm64: Register ptdump with debugfs on guest creation
arm64: ptdump: Don't override the level when operating on the stage-2 tables
arm64: ptdump: Use the ptdump description from a local context
arm64: ptdump: Expose the attribute parsing functionality
KVM: arm64: Add memory length checks and remove inline in do_ffa_mem_xfer
KVM: arm64: Move pagetable definitions to common header
KVM: arm64: nv: Add support for FEAT_ATS1A
KVM: arm64: nv: Plumb handling of AT S1* traps from EL2
KVM: arm64: nv: Make AT+PAN instructions aware of FEAT_PAN3
KVM: arm64: nv: Sanitise SCTLR_EL1.EPAN according to VM configuration
...
|
||
|
Linus Torvalds
|
980bcd35ae |
ARC/sh/xtensa: Provide one-byte cmpxchg emulation
This series provides emulated one-byte cmpxchg() support for ARM, sh, and xtensa using the cmpxchg_emu_u8() function that uses a four-byte cmpxchg() to emulate the one-byte variant. This covers all architectures. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmbkTmETHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jK0iD/9fdgX46HZhR2iGH6kHeBR5teXpvLQw 2SR/e1WyqhuyhqDHknskMMqVg2uCpIw6qihp1pm+4ZmEsR+jwkA10fc4wnYI7cdf Zce/crItXAum4V79ykUO2gKlpuyGJXelrnSuZjPJAa9VXSDSZ/nhibSNFWCaGVrU 29Qy/BBC/I4tlHuV7SSJKfnYv8GnpGPAuFDQd5Hxj8eWUtu+RAfzt9grBkCoSWWY 5zSmPZEvbjVtpkPJcNf03OlU6s028p3PY2TW623plbRo998r07NzkoO96Ml1HlCv 6TMLUptaImyqEr2bLGJ/YB1B8A+Hbmd9xgsWF3EwGgaS8F+2tuvKd4trcOrZ5NKn 6xMAqUC58BnW7HOPaNqwP3agExVvfFq+ZBZQj/S4feWL4TrT8JfgmVvtkzUGO5DD TJOgcsjbcAt39Qli3ckfaZ8AVk9ZjHvGK0M7wcSqsPvhM355VCyyw2Ea/x9/cjn5 D6BjMnZzbEuDx6u+/mCOuUYvokus+leMhaxnmWnc66Yf60kQUsNKJzoCaeaFzhKv h5B5J1jiwsyIFE9+TcQ5YBQCuAsqthKzROUP+WiNV1b59qHGJugasju2ufiodTzc TkCWSVrKtwEwldPjyIKXXoOMMKe1XkYPYbRyXjyTs/PiaByKM9nVbKnJqu26XlTm JF8N4+nNQvT2Sw== =FObp -----END PGP SIGNATURE----- Merge tag 'cmpxchg.2024.09.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull byte cmpxchg updates from Paul McKenney: "ARC/sh/xtensa: Provide one-byte cmpxchg emulation This series provides emulated one-byte cmpxchg() support for ARM, sh, and xtensa using the cmpxchg_emu_u8() function that uses a four-byte cmpxchg() to emulate the one-byte variant. This covers all architectures" * tag 'cmpxchg.2024.09.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: xtensa: Emulate one-byte cmpxchg sh: Emulate one-byte cmpxchg ARC: Emulate one-byte cmpxchg |
||
|
Linus Torvalds
|
114143a595 |
arm64 updates for 6.12
ACPI:
* Enable PMCG erratum workaround for HiSilicon HIP10 and 11 platforms.
* Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
* Enable workaround for hardware access/dirty issue on Ampere-1A cores.
Memory management:
* Define PHYSMEM_END to fix a crash in the amdgpu driver.
* Avoid tripping over invalid kernel mappings on the kexec() path.
* Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
* Add support for the "fixed instruction counter" extension in the CPU
PMU architecture.
* Extend and fix the event encodings for Apple's M1 CPU PMU.
* Allow LSM hooks to decide on SPE permissions for physical profiling.
* Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
* Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
* Fix vector length issues in the SVE/SME sigreturn tests
* Fix build warning in the ptrace tests.
Timers:
* Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
* Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
* Minor fixes and cleanups.
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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:
"The highlights are support for Arm's "Permission Overlay Extension"
using memory protection keys, support for running as a protected guest
on Android as well as perf support for a bunch of new interconnect
PMUs.
Summary:
ACPI:
- Enable PMCG erratum workaround for HiSilicon HIP10 and 11
platforms.
- Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
- Enable workaround for hardware access/dirty issue on Ampere-1A
cores.
Memory management:
- Define PHYSMEM_END to fix a crash in the amdgpu driver.
- Avoid tripping over invalid kernel mappings on the kexec() path.
- Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
- Add support for the "fixed instruction counter" extension in the
CPU PMU architecture.
- Extend and fix the event encodings for Apple's M1 CPU PMU.
- Allow LSM hooks to decide on SPE permissions for physical
profiling.
- Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
- Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
- Fix vector length issues in the SVE/SME sigreturn tests
- Fix build warning in the ptrace tests.
Timers:
- Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
- Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
- Minor fixes and cleanups"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (94 commits)
perf: arm-ni: Fix an NULL vs IS_ERR() bug
arm64: hibernate: Fix warning for cast from restricted gfp_t
arm64: esr: Define ESR_ELx_EC_* constants as UL
arm64: pkeys: remove redundant WARN
perf: arm_pmuv3: Use BR_RETIRED for HW branch event if enabled
MAINTAINERS: List Arm interconnect PMUs as supported
perf: Add driver for Arm NI-700 interconnect PMU
dt-bindings/perf: Add Arm NI-700 PMU
perf/arm-cmn: Improve format attr printing
perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check
arm64/mm: use lm_alias() with addresses passed to memblock_free()
mm: arm64: document why pte is not advanced in contpte_ptep_set_access_flags()
arm64: Expose the end of the linear map in PHYSMEM_END
arm64: trans_pgd: mark PTEs entries as valid to avoid dead kexec()
arm64/mm: Delete __init region from memblock.reserved
perf/arm-cmn: Support CMN S3
dt-bindings: perf: arm-cmn: Add CMN S3
perf/arm-cmn: Refactor DTC PMU register access
perf/arm-cmn: Make cycle counts less surprising
perf/arm-cmn: Improve build-time assertion
...
|
||
|
Linus Torvalds
|
8617d7d629 |
- use devm_clk_get_enabled() helper
- prototype fixes - cleanup unused stuff -----BEGIN PGP SIGNATURE----- iQJOBAABCAA4FiEEbt46xwy6kEcDOXoUeZbBVTGwZHAFAmbiudYaHHRzYm9nZW5k QGFscGhhLmZyYW5rZW4uZGUACgkQeZbBVTGwZHBAMA//caBmJHQQqkHGb7lNFGi4 5O13MQINwsMQYY+tVUyG+ZMWYukMdWZtXBam5eZCp1mCVyPEFDPLJlRqGk9D3T5h pExHdfC6lD+vYHSJcMOKx0BWpNSPmOYlKntKWCeazLnGZjDXVdIRj1HEv4nExF9x E7wnGGsTNhJf50Lt3ZSSBF6wgX0fZOl66YcyOVAe6pHQhZxrumDZoPLCqVoHcxln aoBacFSe6YbpXZs0IlNWDBhQLiEhzcbXyqXDsnZRFwTvwFxYldjId4CKqWG5TjxU zFJhkC/nMejB3U/MuoDajLD3u3tp471hRNHGFzovn694cJblMZ495sea8ZH1xfhG dAuqmaV43lEluGAzAnXKeCBJLjzC9ZranjFqQgI3L+MsyNh9yXpEq8nXFyXJXlnG lg8vO69KvSIrc95GHFlBonbEs0XyvCsP7G+lfQHTcjC6hC87fM2IsegFkFV/IiXf jYZyYlTrhLC2RA0trDBhS3DIlEQlP9nivW6Wq+7T04Au6OAN1xz+BpGY3ilLf2/J VvdEvWQ1oonFbQXp9a7DAkHD3N4iJ/Htcc1ptb+iD46o1M6S462m7DOB3Gi5ts9k VQWpsGA97JRWd/bmXwF15Jc3PeBSgwkvlzXsOYYUFSNFSl3FHPKR126EfFMGb6jE T4fmOVRKKSwCBi1U16nmYm0= =vPgt -----END PGP SIGNATURE----- Merge tag 'mips_6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux Pull MIPS updates from Thomas Bogendoerfer: - use devm_clk_get_enabled() helper - prototype fixes - cleanup unused stuff * tag 'mips_6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: mips: Remove posix_types.h include from sigcontext.h bus: bt1-apb: change to use devm_clk_get_enabled() helper bus: bt1-axi: change to use devm_clk_get_enabled() helper MIPS: dec: prom: Remove unused unregister_prom_console() declaration MIPS: Remove unused mips_display/_scroll_message() declarations MIPS: Remove unused declarations in asm/cmp.h MIPS: MT: Remove unused function mips_mt_regdump() mips/jazz: remove unused jazz_handle_int() declaration MIPS: Remove unused function dump_au1000_dma_channel() in dma.c MIPS: ralink: Fix missing `get_c0_perfcount_int` prototype MIPS: ralink: Fix missing `plat_time_init` prototype |
||
|
Linus Torvalds
|
a4ebad655b |
Fix deadlock in SGX NUMA node search
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||
|
Linus Torvalds
|
963d0d60d6 |
- Add CONFIG_ option for every hw CPU mitigation. The intent is to support
configurations and scenarios where the mitigations code is irrelevant - Other small fixlets and improvements -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmbfDhUACgkQEsHwGGHe VUrF9A//UkVKmIihXXak0GPqFhu8XrWeYlmwLxWe/uIy2hZCLp9L7n4pg0Ikxqz3 9D9hYk+Jykfu/jsv0sR6LH6OAUTlJi+P0w3x3VeL1sgFPUkwFtOaN2v/t5H3SW5r l+VQpdUXPmLH6QbhvT84U6L/OQYr2cjhiYro47uwM9vO/SNao4HcbC/pdBr2dwxM KzzA9sEDg3Le391phIhEOIogA1lPNV7KMScg2VjPTqQzEJ3NQVzyYmqjPO70sN9F sAuksdF+rnPjc9K/W+qUcvlp8e9lDB8g0oPlyoOeubjXsnZU5YchriPdBbyAl0dJ bjpftXIrBj8Vtmh7Tc0Jx2tlMFXNT5FrzcqdD4sviLnhrKEJSkwAoFgIMp5A+tN8 Kl8MrlABO8I8+zGRQB7TzhwaCC4AxCqUS3UEcYd4CBf5AWqT5i12ijbtIxPtdpG4 5itngIV4HT8casudpC8i8OTjOTggorMa7Pu/bQULhnZwagH8chlBdoOlKKQVkeVG FUi+L/BljL9mASic7NRZI11tk44m9xWWkbbJOPlZaGJw9YzGrxD0YOfhbgcc9iaX SOUMVJEhJVJMBISGiBUQDB6r51ee6B8RKJ3ByxzpAbwsUR9cXyfSYfUyE5reQJy9 3luj/iorL3guYU6EGEAtvbuTLGbKqybrV6zOB/QRXHWyhtUgrUA= =GFld -----END PGP SIGNATURE----- Merge tag 'x86_bugs_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 hw mitigation updates from Borislav Petkov: - Add CONFIG_ option for every hw CPU mitigation. The intent is to support configurations and scenarios where the mitigations code is irrelevant - Other small fixlets and improvements * tag 'x86_bugs_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/bugs: Fix handling when SRSO mitigation is disabled x86/bugs: Add missing NO_SSB flag Documentation/srso: Document a method for checking safe RET operates properly x86/bugs: Add a separate config for GDS x86/bugs: Remove GDS Force Kconfig option x86/bugs: Add a separate config for SSB x86/bugs: Add a separate config for Spectre V2 x86/bugs: Add a separate config for SRBDS x86/bugs: Add a separate config for Spectre v1 x86/bugs: Add a separate config for RETBLEED x86/bugs: Add a separate config for L1TF x86/bugs: Add a separate config for MMIO Stable Data x86/bugs: Add a separate config for TAA x86/bugs: Add a separate config for MDS |
||
|
Linus Torvalds
|
d580d74ea2 |
- Add the final conversions to the new Intel VFM CPU model matching macros
which include the vendor and finally drop the old ones which hardcode family 6 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmbe/GYACgkQEsHwGGHe VUqCcw//Y0HgpGpCzi7/WraEI0kzqduV4SCm2louK8MnkgSIVVrccSg6rTWapvs9 Fxqyg6ZfTNxMuSEexSX9NMc7Nq7nm3m1JPztsZKcwur3fnfwPoxWjfR89dmnXbo6 iUYbolgiPMUo8S18NSXyEaopMwPJYSV/lvMRPclrUsAFhy40+kQcXYVMvP1BAw2z Pi1TuRqMViVf5lzC71Xy/VntoAgWOtIEPnCLXeOLGIPkRZW+T/jUyTe6xFBOqjrg BAWfVH8U2Smf2eNzPqO0RDQttSYl6GWcz9bJIPihmlMpFuACSH9j0UadjAMPCVKp Th0uLxIaEWL7QV7qfSmWm0W79FZAhfJbA+EEKDQrUr+jgTEDE2r2hL7JVo2y8bHV 3nXdaUTnyC0oFr0FPl8yRVk4RN23Uj+fB1m6CCkFnZZQ5xIGT5FERGqut6vEwJlV fAR8LioKMfRD7q/iQqw/iqMAi8SI0/YQ7R3HGYf6gnjkO86j4snWEdnpWHTraAlR y24CSUrJ1hh8FRl/ISj56fB6efPm4Ef/znd9CRhWoIaLMgEV8ICDDVkH8RBePaGK 8D83mA/l1WJTAyyAUs6bu96x1TVWK+0xsazQmNJjPeh/mG54mmmrl9wK8YUaK0r4 NasmpovQ7M0QQx5IkFgx4oR84r179pHF246phSV1nrLpX8/EAzQ= =0KAq -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpuid updates from Borislav Petkov: - Add the final conversions to the new Intel VFM CPU model matching macros which include the vendor and finally drop the old ones which hardcode family 6 * tag 'x86_cpu_for_v6.12_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu/vfm: Delete all the *_FAM6_ CPU #defines x86/cpu/vfm: Delete X86_MATCH_INTEL_FAM6_MODEL[_STEPPING]() macros extcon: axp288: Switch to new Intel CPU model defines x86/cpu/intel: Replace PAT erratum model/family magic numbers with symbolic IFM references |