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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- amd/pmf:
- Add support for adjusting PMF PPT and PPT APU thresholds
- Extend custom BIOS inputs for more policies
- Update ta_pmf_action structure to the latest PMF TA
- arm64:
- thinkpad-t14s-ec: Add EC driver for ThinkPad T14s Gen6 Snapdragon
- int3472:
- Increase handshake GPIO delay
- intel/pmc:
- SSRAM support for Lunar Lake and Panther Lake
- Support reading substate requirements data from S0ix blockers
(for platforms starting from Panther Lake)
- Wildcat Lake support
- intel-uncore-freq:
- Solve duplicate sysfs entry warnings
- Present unique domain ID per package
- portwell-ec:
- Support suspend/resume
- Add hwmon support for voltage and temperature
- redmi-wmi:
- Add WMI driver for Redmibook keyboard
- think-lmi:
- Certificate support for ThinkCenter
- x86-android-tables + others:
- Convert away from legacy GPIO APIs
- x86-android-tables:
- Add support for Acer A1-840 tablet
- Fix modules list for Lenovo devices
- Stop using EPROBE_DEFER
- Miscellaneous cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (63 commits)
platform/x86: pcengines-apuv2: Use static device properties
platform/x86: meraki-mx100: Use static device properties
platform/x86: barco-p50-gpio: use software nodes for gpio-leds/keys
platform/x86: x86-android-tablets: Stop using EPROBE_DEFER
platform/x86: x86-android-tablets: Fix modules lists for Lenovo devices
platform/x86: x86-android-tablets: Simplify lenovo_yoga_tab2_830_1050_exit()
platform/x86: x86-android-tablets: Add support for Acer A1-840 tablet
platform/x86: x86-android-tablets: Move Acer info to its own file
platform/x86: x86-android-tablets: Update my email address
platform/x86: x86-android-tablets: Simplify node-group [un]registration
platform/x86: x86-android-tablets: use swnode_group instead of manual registering
platform/x86: x86-android-tablets: replace bat_swnode with swnode_group
platform/x86: x86-android-tablets: convert gpio_keys devices to GPIO references
platform/x86: x86-android-tablets: remove support for GPIO lookup tables
platform/x86: x86-android-tablets: convert Yoga Tab2 fast charger to GPIO references
platform/x86: x86-android-tablets: convert HID-I2C devices to GPIO references
platform/x86: x86-android-tablets: convert wm1502 devices to GPIO references
platform/x86: x86-android-tablets: convert int3496 devices to GPIO references
platform/x86: x86-android-tablets: convert EDT devices to GPIO references
platform/x86: x86-android-tablets: convert Novatek devices to GPIO references
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull keys updates from Jarkko Sakkinen:
"A few minor updates/fixes for keys"
* tag 'keys-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
security: keys: use menuconfig for KEYS symbol
KEYS: encrypted: Use SHA-256 library instead of crypto_shash
KEYS: trusted_tpm1: Move private functionality out of public header
KEYS: trusted_tpm1: Use SHA-1 library instead of crypto_shash
KEYS: trusted_tpm1: Compare HMAC values in constant time
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Drivers:
- Add ciphertext hiding support to ccp
- Add hashjoin, gather and UDMA data move features to hisilicon
- Add lz4 and lz77_only to hisilicon
- Add xilinx hwrng driver
- Add ti driver with ecb/cbc aes support
- Add ring buffer idle and command queue telemetry for GEN6 in qat
Others:
- Use rcu_dereference_all to stop false alarms in rhashtable
- Fix CPU number wraparound in padata"
* tag 'v6.18-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (78 commits)
dt-bindings: rng: hisi-rng: convert to DT schema
crypto: doc - Add explicit title heading to API docs
hwrng: ks-sa - fix division by zero in ks_sa_rng_init
KEYS: X.509: Fix Basic Constraints CA flag parsing
crypto: anubis - simplify return statement in anubis_mod_init
crypto: hisilicon/qm - set NULL to qm->debug.qm_diff_regs
crypto: hisilicon/qm - clear all VF configurations in the hardware
crypto: hisilicon - enable error reporting again
crypto: hisilicon/qm - mask axi error before memory init
crypto: hisilicon/qm - invalidate queues in use
crypto: qat - Return pointer directly in adf_ctl_alloc_resources
crypto: aspeed - Fix dma_unmap_sg() direction
rhashtable: Use rcu_dereference_all and rcu_dereference_all_check
crypto: comp - Use same definition of context alloc and free ops
crypto: omap - convert from tasklet to BH workqueue
crypto: qat - Replace kzalloc() + copy_from_user() with memdup_user()
crypto: caam - double the entropy delay interval for retry
padata: WQ_PERCPU added to alloc_workqueue users
padata: replace use of system_unbound_wq with system_dfl_wq
crypto: cryptd - WQ_PERCPU added to alloc_workqueue users
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL updates from Dave Jiang:
"The changes include adding poison injection support, fixing CXL access
coordinates when onlining CXL memory, and delaing the enumeration of
downstream switch ports for CXL hierarchy to ensure that the CXL link
is established at the time of enumeration to address a few issues
observed on AMD and Intel platforms.
Misc changes:
- Use str_plural() instead of open code for emitting strings.
- Use str_enabled_disabled() instead of ternary operator
- Fix emit of type resource_size_t argument for
validate_region_offset()
- Typo fixup in CXL driver-api documentation
- Rename CFMWS coherency restriction defines
- Add convention doc describe dealing with x86 low memory hole
and CXL
Poison Inject support:
- Move hpa_to_spa callback to new reoot decoder ops structure
- Define a SPA to HPA callback for interleave calculation with
XOR math
- Add support for SPA to DPA address translation with XOR
- Add locked variants of poison inject and clear functions
- Add inject and clear poison support by region offset
CXL access coordinates update fix:
- A comment update for hotplug memory callback prority defines
- Add node_update_perf_attrs() for updating perf attrs on a node
- Update cxl_access_coordinates() to use the new node update function
- Remove hmat_update_target_coordinates() and related code
CXL delayed downstream port enumeration and initialization:
- Add helper to detect top of CXL device topology and remove
open coding
- Add helper to delete single dport
- Add a cached copy of target_map to cxl_decoder
- Refactor decoder setup to reduce cxl_test burden
- Defer dport allocation for switch ports
- Add mock version of devm_cxl_add_dport_by_dev() for cxl_test
- Adjust the mock version of devm_cxl_switch_port_decoders_setup()
due to cxl core usage
- Setup target_map for cxl_test decoder initialization
- Change SSLBIS handler to handle single dport
- Move port register setup to when first dport appears"
* tag 'cxl-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (25 commits)
cxl: Move port register setup to when first dport appear
cxl: Change sslbis handler to only handle single dport
cxl/test: Setup target_map for cxl_test decoder initialization
cxl/test: Adjust the mock version of devm_cxl_switch_port_decoders_setup()
cxl/test: Add mock version of devm_cxl_add_dport_by_dev()
cxl: Defer dport allocation for switch ports
cxl/test: Refactor decoder setup to reduce cxl_test burden
cxl: Add a cached copy of target_map to cxl_decoder
cxl: Add helper to delete dport
cxl: Add helper to detect top of CXL device topology
cxl: Documentation/driver-api/cxl: Describe the x86 Low Memory Hole solution
cxl/acpi: Rename CFMW coherency restrictions
Documentation/driver-api: Fix typo error in cxl
acpi/hmat: Remove now unused hmat_update_target_coordinates()
cxl, acpi/hmat: Update CXL access coordinates directly instead of through HMAT
drivers/base/node: Add a helper function node_update_perf_attrs()
mm/memory_hotplug: Update comment for hotplug memory callback priorities
cxl: Fix emit of type resource_size_t argument for validate_region_offset()
cxl/region: Add inject and clear poison by region offset
cxl/core: Add locked variants of the poison inject and clear funcs
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git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Paul McKenney:
"Documentation updates:
- Update whatisRCU.rst and checklist.rst for recent RCU API additions
- Fix RCU documentation formatting and typos
- Replace dead Ottawa Linux Symposium links in RTFP.txt
Miscellaneous RCU updates:
- Document that rcu_barrier() hurries RCU_LAZY callbacks
- Remove redundant interrupt disabling from
rcu_preempt_deferred_qs_handler()
- Move list_for_each_rcu from list.h to rculist.h, and adjust the
include directive in kernel/cgroup/dmem.c accordingly
- Make initial set of changes to accommodate upcoming
system_percpu_wq changes
SRCU updates:
- Create an srcu_read_lock_fast_notrace() for eventual use in
tracing, including adding guards
- Document the reliance on per-CPU operations as implicit RCU readers
in __srcu_read_{,un}lock_fast()
- Document the srcu_flip() function's memory-barrier D's relationship
to SRCU-fast readers
- Remove a redundant preempt_disable() and preempt_enable() pair from
srcu_gp_start_if_needed()
Torture-test updates:
- Fix jitter.sh spin time so that it actually varies as advertised.
It is still quite coarse-grained, but at least it does now vary
- Update torture.sh help text to include the not-so-new --do-normal
parameter, which permits (for example) testing KCSAN kernels
without doing non-debug kernels
- Fix a number of false-positive diagnostics that were being
triggered by rcutorture starting before boot completed. Running
multiple near-CPU-bound rcutorture processes when there is only the
boot CPU is after all a bit excessive
- Substitute kcalloc() for kzalloc()
- Remove a redundant kfree() and NULL out kfree()ed objects"
* tag 'rcu.2025.09.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (31 commits)
rcu: WQ_UNBOUND added to sync_wq workqueue
rcu: WQ_PERCPU added to alloc_workqueue users
rcu: replace use of system_wq with system_percpu_wq
refperf: Set reader_tasks to NULL after kfree()
refperf: Remove redundant kfree() after torture_stop_kthread()
srcu/tiny: Remove preempt_disable/enable() in srcu_gp_start_if_needed()
srcu: Document srcu_flip() memory-barrier D relation to SRCU-fast
srcu: Document __srcu_read_{,un}lock_fast() implicit RCU readers
rculist: move list_for_each_rcu() to where it belongs
refscale: Use kcalloc() instead of kzalloc()
rcutorture: Use kcalloc() instead of kzalloc()
docs: rcu: Replace multiple dead OLS links in RTFP.txt
doc: Fix typo in RCU's torture.rst documentation
Documentation: RCU: Retitle toctree index
Documentation: RCU: Reduce toctree depth
Documentation: RCU: Wrap kvm-remote.sh rerun snippet in literal code block
rcu: docs: Requirements.rst: Abide by conventions of kernel documentation
doc: Add RCU guards to checklist.rst
doc: Update whatisRCU.rst for recent RCU API additions
rcutorture: Delay forward-progress testing until boot completes
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Add KUnit test for the printk ring buffer
- Fix the check of the maximal record size which is allowed to be
stored into the printk ring buffer. It prevents corruptions of the
ring buffer.
Note that printk() is on the safe side. The messages are limited by
1kB buffer and are always small enough for the minimal log buffer
size 4kB, see CONFIG_LOG_BUF_SHIFT definition.
* tag 'printk-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: ringbuffer: Fix data block max size check
printk: kunit: support offstack cpumask
printk: kunit: Fix __counted_by() in struct prbtest_rbdata
printk: ringbuffer: Explain why the KUnit test ignores failed writes
printk: ringbuffer: Add KUnit test
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull mm-init update from Mike Rapoport:
"Simplify deferred initialization of struct pages
Refactor and simplify deferred initialization of the memory map.
Beside the negative diffstat it gives 3ms (55ms vs 58ms) reduction in
the initialization of deferred pages on single node system with 64GiB
of RAM"
* tag 'memblock-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: drop for_each_free_mem_pfn_range_in_zone_from()
mm/mm_init: drop deferred_init_maxorder()
mm/mm_init: deferred_init_memmap: use a job per zone
mm/mm_init: use deferred_init_memmap_chunk() in deferred_grow_zone()
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git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc
Pull sparc updates from Andreas Larsson:
- Add relocation handling for R_SPARC_UA64 for sparc64 that is
generated by llvm and clarify printout on missing relocation handler
- Fix missing hugetlb tte initialization for sun4u
- Code cleanup for redundant use of __GPF_NOWARN for sparc64
- Fix prototypes of reads[bwl]() for sparc64 by adding missing const
and volatile pointer qualifiers
- Fix bugs in accurate exception reporting in multiple machine specific
sparc64 variants of copy_{from,to}_user() for sparc64
- Fix memory leak in error handling for sparc32
- Drop -ansi from asflags and replace __ASSEMBLY__ with __ASSEMBLER__
in headers for all arch/sparc
- Replace strcpy() with strscpy() for all arch/sparc
* tag 'sparc-for-6.18-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc: (22 commits)
sparc: Replace deprecated strcpy() with strscpy() in handle_nextprop_quirks()
sparc64: Replace deprecated strcpy() with strscpy() in build_path_component()
sparc: Replace deprecated strcpy() with strscpy() in prom_32.c
sparc: Replace deprecated strcpy() with strscpy() in domain services driver
sparc64: Replace deprecated strcpy() with strscpy() in prom_nextprop()
sparc: floppy: Replace deprecated strcpy() with strscpy() in sun_floppy_init()
sparc: parport: Replace deprecated strcpy() with strscpy() in ecpp_probe()
sparc: PCI: Replace deprecated strcpy() with strscpy()
sparc: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
sparc: Replace __ASSEMBLY__ with __ASSEMBLER__ in uapi headers
sparc: Drop the "-ansi" from the asflags
sparc: fix error handling in scan_one_device()
sparc: fix accurate exception reporting in copy_{from,to}_user for M7
sparc: fix accurate exception reporting in copy_to_user for Niagara 4
sparc: fix accurate exception reporting in copy_{from_to}_user for Niagara
sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC III
sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC
sparc64: fix prototypes of reads[bwl]()
sparc64: Remove redundant __GFP_NOWARN
sparc64: fix hugetlb for sun4u
...
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Paul Walmsley:
- Support for the RISC-V-standardized RPMI interface.
RPMI is a platform management communication mechanism between OSes
running on application processors, and a remote platform management
processor. Similar to ARM SCMI, TI SCI, etc. This includes irqchip,
mailbox, and clk changes.
- Support for the RISC-V-standardized MPXY SBI extension.
MPXY is a RISC-V-specific standard implementing a shared memory
mailbox between S-mode operating systems (e.g., Linux) and M-mode
firmware (e.g., OpenSBI). It is part of this PR since one of its use
cases is to enable M-mode firmware to act as a single RPMI client for
all RPMI activity on a core (including S-mode RPMI activity).
Includes a mailbox driver.
- Some ACPI-related updates to enable the use of RPMI and MPXY.
- The addition of Linux-wide memcpy_{from,to}_le32() static inline
functions, for RPMI use.
- An ACPI Kconfig change to enable boot logos on any ACPI-using
architecture (including RISC-V)
- A RISC-V defconfig change to add GPIO keyboard and event device
support, for front panel shutdown or reboot buttons
* tag 'riscv-for-linus-6.18-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (26 commits)
clk: COMMON_CLK_RPMI should depend on RISCV
ACPI: support BGRT table on RISC-V
MAINTAINERS: Add entry for RISC-V RPMI and MPXY drivers
RISC-V: Enable GPIO keyboard and event device in RV64 defconfig
irqchip/riscv-rpmi-sysmsi: Add ACPI support
mailbox/riscv-sbi-mpxy: Add ACPI support
irqchip/irq-riscv-imsic-early: Export imsic_acpi_get_fwnode()
ACPI: RISC-V: Add RPMI System MSI to GSI mapping
ACPI: RISC-V: Add support to update gsi range
ACPI: RISC-V: Create interrupt controller list in sorted order
ACPI: scan: Update honor list for RPMI System MSI
ACPI: Add support for nargs_prop in acpi_fwnode_get_reference_args()
ACPI: property: Refactor acpi_fwnode_get_reference_args() to support nargs_prop
irqchip: Add driver for the RPMI system MSI service group
dt-bindings: Add RPMI system MSI interrupt controller bindings
dt-bindings: Add RPMI system MSI message proxy bindings
clk: Add clock driver for the RISC-V RPMI clock service group
dt-bindings: clock: Add RPMI clock service controller bindings
dt-bindings: clock: Add RPMI clock service message proxy bindings
mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 entry updates from Dave Hansen:
"A pair of x86/entry updates.
The FRED one adjusts the kernel to the latest spec. The spec change
prevents attackers from abusing kernel entry points.
The second one came about because of the LASS work[1]. It moves the
vsyscall emulation code away from depending on X86_PF_INSTR which is
not available on some CPUs. Those CPUs are pretty obscure these days,
but this still seems like the right thing to do. It also makes this
code consistent with some things that the LASS code is going to do.
- Use RIP instead of X86_PF_INSTR for vsyscall emulation
- Remove ENDBR64 from FRED entry points"
Link: https://lore.kernel.org/lkml/20250620135325.3300848-1-kirill.shutemov@linux.intel.com/ [1]
* tag 'x86_entry_for_6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fred: Remove ENDBR64 from FRED entry points
x86/vsyscall: Do not require X86_PF_INSTR to emulate vsyscall
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm update from Dave Hansen:
"A single change to remove an open-coded TLB flush operation by using
an existing helper. This came out of Rik van Riel's work to get the
INVLPGB instruction working.
- Change cpa_flush() to call flush_kernel_range() directly"
* tag 'x86_mm_for_6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Change cpa_flush() to call flush_kernel_range() directly
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 TDX updates from Dave Hansen:
"The biggest change here is making TDX and kexec play nicely together.
Before this, the memory encryption hardware (which doesn't respect
cache coherency) could write back old cachelines on top of data in the
new kernel, so kexec and TDX were made mutually exclusive. This
removes the limitation.
There is also some work to tighten up a hardware bug workaround and
some MAINTAINERS updates.
- Make TDX and kexec work together
- Skip TDX bug workaround when the bug is not present
- Update maintainers entries"
* tag 'x86_tdx_for_6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/virt/tdx: Use precalculated TDVPR page physical address
KVM/TDX: Explicitly do WBINVD when no more TDX SEAMCALLs
x86/virt/tdx: Update the kexec section in the TDX documentation
x86/virt/tdx: Remove the !KEXEC_CORE dependency
x86/kexec: Disable kexec/kdump on platforms with TDX partial write erratum
x86/virt/tdx: Mark memory cache state incoherent when making SEAMCALL
x86/sme: Use percpu boolean to control WBINVD during kexec
x86/kexec: Consolidate relocate_kernel() function parameters
x86/tdx: Skip clearing reclaimed pages unless X86_BUG_TDX_PW_MCE is present
x86/tdx: Tidy reset_pamt functions
x86/tdx: Eliminate duplicate code in tdx_clear_page()
MAINTAINERS: Add KVM mail list to the TDX entry
MAINTAINERS: Add Rick Edgecombe as a TDX reviewer
MAINTAINERS: Update the file list in the TDX entry.
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"A collection of small cleanups this cycle.
Thorsten Blum has replaced a number strcpy() calls with safer
alternatives (fixing a pointer aliasing bug in the process).
Colin Ian King has simplified things by removing some unreachable
code"
* tag 'kgdb-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: remove redundant check for scancode 0xe0
kdb: Replace deprecated strcpy() with helper function in kdb_defcmd()
kdb: Replace deprecated strcpy() with memcpy() in parse_grep()
kdb: Replace deprecated strcpy() with memmove() in vkdb_printf()
kdb: Replace deprecated strcpy() with memcpy() in kdb_strdup()
kernel: debug: gdbstub: Replace deprecated strcpy() with strscpy()
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Pull kvm updates from Paolo Bonzini:
"This excludes the bulk of the x86 changes, which I will send
separately. They have two not complex but relatively unusual conflicts
so I will wait for other dust to settle.
guest_memfd:
- Add support for host userspace mapping of guest_memfd-backed memory
for VM types that do NOT use support KVM_MEMORY_ATTRIBUTE_PRIVATE
(which isn't precisely the same thing as CoCo VMs, since x86's
SEV-MEM and SEV-ES have no way to detect private vs. shared).
This lays the groundwork for removal of guest memory from the
kernel direct map, as well as for limited mmap() for
guest_memfd-backed memory.
For more information see:
- commit a6ad54137af9 ("Merge branch 'guest-memfd-mmap' into HEAD")
- guest_memfd in Firecracker:
https://github.com/firecracker-microvm/firecracker/tree/feature/secret-hiding
- direct map removal:
https://lore.kernel.org/all/20250221160728.1584559-1-roypat@amazon.co.uk/
- mmap support:
https://lore.kernel.org/all/20250328153133.3504118-1-tabba@google.com/
ARM:
- Add support for FF-A 1.2 as the secure memory conduit for pKVM,
allowing more registers to be used as part of the message payload.
- Change the way pKVM allocates its VM handles, making sure that the
privileged hypervisor is never tricked into using uninitialised
data.
- Speed up MMIO range registration by avoiding unnecessary RCU
synchronisation, which results in VMs starting much quicker.
- Add the dump of the instruction stream when panic-ing in the EL2
payload, just like the rest of the kernel has always done. This
will hopefully help debugging non-VHE setups.
- Add 52bit PA support to the stage-1 page-table walker, and make use
of it to populate the fault level reported to the guest on failing
to translate a stage-1 walk.
- Add NV support to the GICv3-on-GICv5 emulation code, ensuring
feature parity for guests, irrespective of the host platform.
- Fix some really ugly architecture problems when dealing with debug
in a nested VM. This has some bad performance impacts, but is at
least correct.
- Add enough infrastructure to be able to disable EL2 features and
give effective values to the EL2 control registers. This then
allows a bunch of features to be turned off, which helps cross-host
migration.
- Large rework of the selftest infrastructure to allow most tests to
transparently run at EL2. This is the first step towards enabling
NV testing.
- Various fixes and improvements all over the map, including one BE
fix, just in time for the removal of the feature.
LoongArch:
- Detect page table walk feature on new hardware
- Add sign extension with kernel MMIO/IOCSR emulation
- Improve in-kernel IPI emulation
- Improve in-kernel PCH-PIC emulation
- Move kvm_iocsr tracepoint out of generic code
RISC-V:
- Added SBI FWFT extension for Guest/VM with misaligned delegation
and pointer masking PMLEN features
- Added ONE_REG interface for SBI FWFT extension
- Added Zicbop and bfloat16 extensions for Guest/VM
- Enabled more common KVM selftests for RISC-V
- Added SBI v3.0 PMU enhancements in KVM and perf driver
s390:
- Improve interrupt cpu for wakeup, in particular the heuristic to
decide which vCPU to deliver a floating interrupt to.
- Clear the PTE when discarding a swapped page because of CMMA; this
bug was introduced in 6.16 when refactoring gmap code.
x86 selftests:
- Add #DE coverage in the fastops test (the only exception that's
guest- triggerable in fastop-emulated instructions).
- Fix PMU selftests errors encountered on Granite Rapids (GNR),
Sierra Forest (SRF) and Clearwater Forest (CWF).
- Minor cleanups and improvements
x86 (guest side):
- For the legacy PCI hole (memory between TOLUD and 4GiB) to UC when
overriding guest MTRR for TDX/SNP to fix an issue where ACPI
auto-mapping could map devices as WB and prevent the device drivers
from mapping their devices with UC/UC-.
- Make kvm_async_pf_task_wake() a local static helper and remove its
export.
- Use native qspinlocks when running in a VM with dedicated
vCPU=>pCPU bindings even when PV_UNHALT is unsupported.
Generic:
- Remove a redundant __GFP_NOWARN from kvm_setup_async_pf() as
__GFP_NOWARN is now included in GFP_NOWAIT.
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (178 commits)
KVM: s390: Fix to clear PTE when discarding a swapped page
KVM: arm64: selftests: Cover ID_AA64ISAR3_EL1 in set_id_regs
KVM: arm64: selftests: Remove a duplicate register listing in set_id_regs
KVM: arm64: selftests: Cope with arch silliness in EL2 selftest
KVM: arm64: selftests: Add basic test for running in VHE EL2
KVM: arm64: selftests: Enable EL2 by default
KVM: arm64: selftests: Initialize HCR_EL2
KVM: arm64: selftests: Use the vCPU attr for setting nr of PMU counters
KVM: arm64: selftests: Use hyp timer IRQs when test runs at EL2
KVM: arm64: selftests: Select SMCCC conduit based on current EL
KVM: arm64: selftests: Provide helper for getting default vCPU target
KVM: arm64: selftests: Alias EL1 registers to EL2 counterparts
KVM: arm64: selftests: Create a VGICv3 for 'default' VMs
KVM: arm64: selftests: Add unsanitised helpers for VGICv3 creation
KVM: arm64: selftests: Add helper to check for VGICv3 support
KVM: arm64: selftests: Initialize VGICv3 only once
KVM: arm64: selftests: Provide kvm_arch_vm_post_create() in library code
KVM: selftests: Add ex_str() to print human friendly name of exception vectors
selftests/kvm: remove stale TODO in xapic_state_test
KVM: selftests: Handle Intel Atom errata that leads to PMU event overcount
...
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Pull virtio updates from Michael Tsirkin:
"Just fixes and cleanups this time around. The mapping cleanups are
preparing the ground for new features, though"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-vdpa: Drop redundant conversion to bool
vduse: Use fixed 4KB bounce pages for non-4KB page size
vduse: switch to use virtio map API instead of DMA API
vdpa: introduce map ops
vdpa: support virtio_map
virtio: introduce map ops in virtio core
virtio_ring: rename dma_handle to map_handle
virtio: introduce virtio_map container union
virtio: rename dma helpers
virtio_ring: switch to use dma_{map|unmap}_page()
virtio_ring: constify virtqueue pointer for DMA helpers
virtio_balloon: Remove redundant __GFP_NOWARN
vhost: vringh: Fix copy_to_iter return value check
vhost: vringh: Modify the return value check
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Pull VFIO updates from Alex Williamson:
- Use fdinfo to expose the sysfs path of a device represented by a vfio
device file (Alex Mastro)
- Mark vfio-fsl-mc, vfio-amba, and the reset functions for
vfio-platform for removal as these are either orphaned or believed to
be unused (Alex Williamson)
- Add reviewers for vfio-platform to save it from also being marked for
removal (Mostafa Saleh, Pranjal Shrivastava)
- VFIO selftests, including basic sanity testing and minimal userspace
drivers for testing against real hardware. This is also expected to
provide integration with KVM selftests for KVM-VFIO interfaces (David
Matlack, Josh Hilke)
- Fix drivers/cdx and vfio/cdx to build without CONFIG_GENERIC_MSI_IRQ
(Nipun Gupta)
- Fix reference leak in hisi_acc (Miaoqian Lin)
- Use consistent return for unsupported device feature (Alex Mastro)
- Unwind using the correct memory free callback in vfio/pds (Zilin
Guan)
- Use IRQ_DISABLE_LAZY flag to improve handling of pre-PCI2.3 INTx and
resolve stalled interrupt on ppc64 (Timothy Pearson)
- Enable GB300 in nvgrace-gpu vfio-pci variant driver (Tushar Dave)
- Misc:
- Drop unnecessary ternary conversion in vfio/pci (Xichao Zhao)
- Grammatical fix in nvgrace-gpu (Morduan Zang)
- Update Shameer's email address (Shameer Kolothum)
- Fix document build warning (Alex Williamson)
* tag 'vfio-v6.18-rc1' of https://github.com/awilliam/linux-vfio: (48 commits)
vfio/nvgrace-gpu: Add GB300 SKU to the devid table
vfio/pci: Fix INTx handling on legacy non-PCI 2.3 devices
vfio/pds: replace bitmap_free with vfree
vfio: return -ENOTTY for unsupported device feature
hisi_acc_vfio_pci: Fix reference leak in hisi_acc_vfio_debug_init
vfio/platform: Mark reset drivers for removal
vfio/amba: Mark for removal
MAINTAINERS: Add myself as VFIO-platform reviewer
MAINTAINERS: Add myself as VFIO-platform reviewer
docs: proc.rst: Fix VFIO Device title formatting
vfio: selftests: Fix .gitignore for already tracked files
vfio/cdx: update driver to build without CONFIG_GENERIC_MSI_IRQ
cdx: don't select CONFIG_GENERIC_MSI_IRQ
MAINTAINERS: Update Shameer Kolothum's email address
vfio: selftests: Add a script to help with running VFIO selftests
vfio: selftests: Make iommufd the default iommu_mode
vfio: selftests: Add iommufd mode
vfio: selftests: Add iommufd_compat_type1{,v2} modes
vfio: selftests: Add vfio_type1v2_mode
vfio: selftests: Replicate tests across all iommu_modes
...
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Give the KEYS kconfig symbol and its associated symbols a separate menu
space under Security options by using "menuconfig" instead of "config".
This also makes it easier to find the security and LSM options.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Instead of the "sha256" crypto_shash, just use sha256(). Similarly,
instead of the "hmac(sha256)" crypto_shash, just use
hmac_sha256_usingrawkey(). This is simpler and faster.
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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Pull bpf fixes from Alexei Starovoitov:
- Fix selftests/bpf (typo, conflicts) and unbreak BPF CI (Jiri Olsa)
- Remove linux/unaligned.h dependency for libbpf_sha256 (Andrii
Nakryiko) and add a test (Eric Biggers)
- Reject negative offsets for ALU operations in the verifier (Yazhou
Tang) and add a test (Eduard Zingerman)
- Skip scalar adjustment for BPF_NEG operation if destination register
is a pointer (Brahmajit Das) and add a test (KaFai Wan)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
libbpf: Fix missing #pragma in libbpf_utils.c
selftests/bpf: Add tests for rejection of ALU ops with negative offsets
selftests/bpf: Add test for libbpf_sha256()
bpf: Reject negative offsets for ALU ops
libbpf: remove linux/unaligned.h dependency for libbpf_sha256()
libbpf: move libbpf_sha256() implementation into libbpf_utils.c
libbpf: move libbpf_errstr() into libbpf_utils.c
libbpf: remove unused libbpf_strerror_r and STRERR_BUFSIZE
libbpf: make libbpf_errno.c into more generic libbpf_utils.c
selftests/bpf: Add test for BPF_NEG alu on CONST_PTR_TO_MAP
bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer
selftests/bpf: Fix realloc size in bpf_get_addrs
selftests/bpf: Fix typo in subtest_basic_usdt after merge conflict
selftests/bpf: Fix open-coded gettid syscall in uprobe syscall tests
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC build fix from Arnd Bergmann:
"One commit for the dt bindings was missing from the dt branch, this
one is already pending in the clk tree that contains the corresponding
device driver"
* tag 'soc-fixes-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
dt-bindings: clock: Add ARTPEC-8 clock controller
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Pull SCSI updates from James Bottomley:
"Usual driver updates (ufs, mpi3mr, lpfc, pm80xx, mpt3sas) plus
assorted cleanups and fixes.
The only core update is to sd.c and is mostly cosmetic"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (105 commits)
scsi: MAINTAINERS: Update FC element owners
scsi: mpt3sas: Update driver version to 54.100.00.00
scsi: mpt3sas: Add support for 22.5 Gbps SAS link rate
scsi: mpt3sas: Suppress unnecessary IOCLogInfo on CONFIG_INVALID_PAGE
scsi: mpt3sas: Fix crash in transport port remove by using ioc_info()
scsi: ufs: ufs-qcom: Add support for limiting HS gear and rate
scsi: ufs: pltfrm: Add DT support to limit HS gear and gear rate
scsi: ufs: ufs-qcom: Remove redundant re-assignment to hs_rate
scsi: ufs: dt-bindings: Document gear and rate limit properties
scsi: ufs: core: Fix data race in CPU latency PM QoS request handling
scsi: libfc: Fix potential buffer overflow in fc_ct_ms_fill()
scsi: storvsc: Remove redundant ternary operators
scsi: ufs: core: Change MCQ interrupt enable flow
scsi: smartpqi: Replace kmalloc() + copy_from_user() with memdup_user()
scsi: hpsa: Replace kmalloc() + copy_from_user() with memdup_user()
scsi: hpsa: Fix potential memory leak in hpsa_big_passthru_ioctl()
scsi: lpfc: Copyright updates for 14.4.0.11 patches
scsi: lpfc: Update lpfc version to 14.4.0.11
scsi: lpfc: Convert debugfs directory counts from atomic to unsigned int
scsi: lpfc: Clean up extraneous phba dentries
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- a new dm-pcache target for read/write caching on persistent memory
- fix typos in docs
- misc small refactoring
- mark dm-error with DM_TARGET_PASSES_INTEGRITY
- dm-request-based: fix NULL pointer dereference and quiesce_depth out of sync
- dm-linear: optimize REQ_PREFLUSH
- dm-vdo: return error on corrupted metadata
- dm-integrity: support asynchronous hash interface
* tag 'for-6.18/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (27 commits)
dm raid: use proper md_ro_state enumerators
dm-integrity: prefer synchronous hash interface
dm-integrity: enable asynchronous hash interface
dm-integrity: rename internal_hash
dm-integrity: add the "offset" argument
dm-integrity: allocate the recalculate buffer with kmalloc
dm-integrity: introduce integrity_kmap and integrity_kunmap
dm-integrity: replace bvec_kmap_local with kmap_local_page
dm-integrity: use internal variable for digestsize
dm vdo: return error on corrupted metadata in start_restoring_volume functions
dm vdo: Update code to use mem_is_zero
dm: optimize REQ_PREFLUSH with data when using the linear target
dm-pcache: use int type to store negative error codes
dm: fix "writen"->"written"
dm-pcache: cleanup: fix coding style report by checkpatch.pl
dm-pcache: remove ctrl_lock for pcache_cache_segment
dm: fix NULL pointer dereference in __dm_suspend()
dm: fix queue start/stop imbalance under suspend/load/resume races
dm-pcache: add persistent cache target in device-mapper
dm error: mark as DM_TARGET_PASSES_INTEGRITY
...
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Pull rdma updates from Jason Gunthorpe:
"A new Pensando ionic driver, a new Gen 3 HW support for Intel irdma,
and lots of small bnxt_re improvements.
- Small bug fixes and improves to hfi1, efa, mlx5, erdma, rdmarvt,
siw
- Allow userspace access to IB service records through the rdmacm
- Optimize dma mapping for erdma
- Fix shutdown of the GSI QP in mana
- Support relaxed ordering MR and fix a corruption bug with mlx5 DMA
Data Direct
- Many improvement to bnxt_re:
- Debugging features and counters
- Improve performance of some commands
- Change flow_label reporting in completions
- Mirror vnic
- RDMA flow support
- New RDMA driver for Pensando Ethernet devices: ionic
- Gen 3 hardware support for the Intel irdma driver
- Fix rdma routing resolution with VRFs"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (85 commits)
RDMA/ionic: Fix memory leak of admin q_wr
RDMA/siw: Always report immediate post SQ errors
RDMA/bnxt_re: improve clarity in ALLOC_PAGE handler
RDMA/irdma: Remove unused struct irdma_cq fields
RDMA/irdma: Fix positive vs negative error codes in irdma_post_send()
RDMA/bnxt_re: Remove non-statistics counters from hw_counters
RDMA/bnxt_re: Add debugfs info entry for device and resource information
RDMA/bnxt_re: Fix incorrect errno used in function comments
RDMA: Use %pe format specifier for error pointers
RDMA/ionic: Use ether_addr_copy instead of memcpy
RDMA/ionic: Fix build failure on SPARC due to xchg() operand size
RDMA/rxe: Fix race in do_task() when draining
IB/sa: Fix sa_local_svc_timeout_ms read race
IB/ipoib: Ignore L3 master device
RDMA/core: Use route entry flag to decide on loopback traffic
RDMA/core: Resolve MAC of next-hop device without ARP support
RDMA/core: Squash a single user static function
RDMA/irdma: Update Kconfig
RDMA/irdma: Extend CQE Error and Flush Handling for GEN3 Devices
RDMA/irdma: Add Atomic Operations support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Two minor fixes:
- Make the selftest work again on x86 platforms with iommus enabled
- Fix a compiler warning in the userspace kselftest"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Register iommufd mock devices with fwspec
iommu/selftest: prevent use of uninitialized variable
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git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl
Pull fwctl updates from Jason Gunthorpe:
- Fix mismatched kvalloc() kfree() on error paths
- Remove NOP dev_err_probe(), shouldn't print on error paths anyhow
- For mlx5 permit:
MLX5_CMD_OP_MODIFY_CONG_STATUS
MLX5_CMD_OP_QUERY_ADJACENT_FUNCTIONS_ID
MLX5_CMD_OP_DELEGATE_VHCA_MANAGEMENT
MLX5_CMD_OP_QUERY_DELEGATED_VHCA
- Use memdup_user in pds
* tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl:
pds_fwctl: Replace kzalloc + copy_from_user with memdup_user in pdsfc_fw_rpc
fwctl/mlx5: Add Adjacent function query commands and their scope
fwctl/mlx5: Allow MODIFY_CONG_STATUS command
pds_fwctl: Remove the use of dev_err_probe()
fwctl/mlx5: Fix memory alloc/free in mlx5ctl_fw_rpc()
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git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
- Inte VT-d:
- IOMMU driver updated to the latest VT-d specification
- Don't enable PRS if PDS isn't supported
- Replace snprintf with scnprintf
- Fix legacy mode page table dump through debugfs
- Miscellaneous cleanups
- AMD-Vi:
- Support kdump boot when SNP is enabled
- Apple-DART:
- 4-level page-table support
- RISC-V IOMMU:
- ACPI support
- Small number of miscellaneous cleanups and fixes
* tag 'iommu-updates-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (22 commits)
iommu/vt-d: Disallow dirty tracking if incoherent page walk
iommu/vt-d: debugfs: Avoid dumping context command register
iommu/vt-d: Removal of Advanced Fault Logging
iommu/vt-d: PRS isn't usable if PDS isn't supported
iommu/vt-d: Remove LPIG from page group response descriptor
iommu/vt-d: Drop unused cap_super_offset()
iommu/vt-d: debugfs: Fix legacy mode page table dump logic
iommu/vt-d: Replace snprintf with scnprintf in dmar_latency_snapshot()
iommu/io-pgtable-dart: Fix off by one error in table index check
iommu/riscv: Add ACPI support
ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id()
ACPI: RISC-V: Add support for RIMT
iommu/omap: Use int type to store negative error codes
iommu/apple-dart: Clear stream error indicator bits for T8110 DARTs
iommu/amd: Skip enabling command/event buffers for kdump
crypto: ccp: Skip SEV and SNP INIT for kdump boot
iommu/amd: Reuse device table for kdump
iommu/amd: Add support to remap/unmap IOMMU buffers for kdump
iommu/apple-dart: Add 4-level page table support
iommu/io-pgtable-dart: Add 4-level page table support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping updates from Marek Szyprowski:
- Refactoring of DMA mapping API to physical addresses as the primary
interface instead of page+offset parameters
This gets much closer to Matthew Wilcox's long term wish for
struct-pageless IO to cacheable DRAM and is supporting memdesc
project which seeks to substantially transform how struct page works.
An advantage of this approach is the possibility of introducing
DMA_ATTR_MMIO, which covers existing 'dma_map_resource' flow in the
common paths, what in turn lets to use recently introduced
dma_iova_link() API to map PCI P2P MMIO without creating struct page
Developped by Leon Romanovsky and Jason Gunthorpe
- Minor clean-up by Petr Tesarik and Qianfeng Rong
* tag 'dma-mapping-6.18-2025-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
kmsan: fix missed kmsan_handle_dma() signature conversion
mm/hmm: properly take MMIO path
mm/hmm: migrate to physical address-based DMA mapping API
dma-mapping: export new dma_*map_phys() interface
xen: swiotlb: Open code map_resource callback
dma-mapping: implement DMA_ATTR_MMIO for dma_(un)map_page_attrs()
kmsan: convert kmsan_handle_dma to use physical addresses
dma-mapping: convert dma_direct_*map_page to be phys_addr_t based
iommu/dma: implement DMA_ATTR_MMIO for iommu_dma_(un)map_phys()
iommu/dma: rename iommu_dma_*map_page to iommu_dma_*map_phys
dma-mapping: rename trace_dma_*map_page to trace_dma_*map_phys
dma-debug: refactor to use physical addresses for page mapping
iommu/dma: implement DMA_ATTR_MMIO for dma_iova_link().
dma-mapping: introduce new DMA attribute to indicate MMIO memory
swiotlb: Remove redundant __GFP_NOWARN
dma-direct: clean up the logic in __dma_direct_alloc_pages()
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Pull documentation updates from Jonathan Corbet:
"It has been a relatively busy cycle in docsland, with changes all
over:
- Bring the kernel memory-model docs into the Sphinx build in the
"literal include" mode.
- Lots of build-infrastructure work, further cleaning up long-term
kernel-doc technical debt. The sphinx-pre-install tool has been
converted to Python and updated for current systems.
- A new tool to detect when documents have been moved and generate
HTML redirects; this can be used on kernel.org (or any other site
hosting the rendered docs) to avoid breaking links.
- Automated processing of the YAML files describing the netlink
protocol.
- A significant update of the maintainer's PGP guide.
... and a seemingly endless series of typo fixes, build-problem fixes,
etc"
* tag 'docs-6.18' of git://git.lwn.net/linux: (193 commits)
Documentation/features: Update feature lists for 6.17-rc7
docs: remove cdomain.py
Documentation/process: submitting-patches: fix typo in "were do"
docs: dev-tools/lkmm: Fix typo of missing file extension
Documentation: trace: histogram: Convert ftrace docs cross-reference
Documentation: trace: histogram-design: Wrap introductory note in note:: directive
Documentation: trace: historgram-design: Separate sched_waking histogram section heading and the following diagram
Documentation: trace: histogram-design: Trim trailing vertices in diagram explanation text
Documentation: trace: histogram: Fix histogram trigger subsection number order
docs: driver-api: fix spelling of "buses".
Documentation: fbcon: Use admonition directives
Documentation: fbcon: Reindent 8th step of attach/detach/unload
Documentation: fbcon: Add boot options and attach/detach/unload section headings
docs: filesystems: sysfs: add remaining top level sysfs directory descriptions
docs: filesystems: sysfs: clarify symlink destinations in dev and bus/devices descriptions
docs: filesystems: sysfs: remove top level sysfs net directory
docs: maintainer: Fix ambiguous subheading formatting
docs: kdoc: a few more dump_typedef() tweaks
docs: kdoc: remove redundant comment stripping in dump_typedef()
docs: kdoc: remove some dead code in dump_typedef()
...
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We got some late review commits during review of commit b4c9ffb54b32
("mm/khugepaged: remove definition of struct khugepaged_mm_slot"). No
need to keep the old cache name "khugepaged_mm_slot", let's simply use
KMEM_CACHE().
Link: https://lkml.kernel.org/r/20251001091900.20041-3-richard.weiyang@gmail.com
Fixes: b4c9ffb54b32 ("mm/khugepaged: remove definition of struct khugepaged_mm_slot")
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Acked-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Raghavendra K T <raghavendra.kt@amd.com>
Cc: Kiryl Shutsemau <kirill@shutemov.name>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: SeongJae Park <sj@kernel.org>
Cc: Nico Pache <npache@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Kiryl Shutsemau <kas@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Patch series "mm_slot: following fixup for usage of mm_slot_entry()", v2.
We got some late review commits during review of "mm_slot: fix the usage of
mm_slot_entry()" in [1].
This patch (of 2):
We got some late review commits during review of commit 08498be43ee6
("mm/ksm: get mm_slot by mm_slot_entry() when slot is !NULL"). Let's
reduce the indentation level and make the code easier to follow by using
gotos to a new label.
Link: https://lkml.kernel.org/r/20251001091900.20041-1-richard.weiyang@gmail.com
Link: https://lkml.kernel.org/r/20251001091900.20041-2-richard.weiyang@gmail.com
Link: https://lkml.kernel.org/r/20250927004539.19308-1-richard.weiyang@gmail.com [1]
Fixes: 08498be43ee6 ("mm/ksm: get mm_slot by mm_slot_entry() when slot is !NULL")
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Kiryl Shutsemau <kas@kernel.org>
Acked-by: Zi Yan <ziy@nvidia.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Raghavendra K T <raghavendra.kt@amd.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Kiryl Shutsemau <kirill@shutemov.name>
Cc: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Remove pxx_mkdevmap() descriptions, as these helper functions have already
been dropped (including DEBUG_VM_PGTABLE test) via the commit d438d2734170
("mm: remove devmap related functions and page table bits").
Link: https://lkml.kernel.org/r/20250929120045.1109707-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Let's simplify the implementation. The current code is redundant as it
effectively expands to:
is_swap_pte(pte) &&
is_pte_marker_entry(...) && // from is_pte_marker()
is_pte_marker_entry(...) // from is_guard_swp_entry()
While a modern compiler could likely optimize this away, let's have clean
code and not rely on it.
Link: https://lkml.kernel.org/r/20250924045830.3817-1-lance.yang@linux.dev
Signed-off-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Mika Penttilä <mpenttil@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Now the node id only needs to be set for early memory, so move
memory_block_add_nid() into the caller and rename it into
memory_block_add_nid_early(). This allows us to further simplify the code
by dropping the 'context' argument to
do_register_memory_block_under_node().
Link: https://lkml.kernel.org/r/20250729064637.51662-4-hare@kernel.org
Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The sysfs attributes for memory blocks require the node ID to be set and
initialized, so move the node activation before adding new memory blocks.
This also has the nice side effect that the BUG_ON() can be converted into
a WARN_ON() as we now can handle registration errors.
Link: https://lkml.kernel.org/r/20250729064637.51662-3-hare@kernel.org
Fixes: b9ff036082cd ("mm/memory_hotplug.c: make add_memory_resource use __try_online_node")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Patch series "mm/memory_hotplug: fixup crash during uevent handling", v4.
we have some udev rules trying to read the sysfs attribute 'valid_zones'
during an memory 'add' event, causing a crash in zone_for_pfn_range().
Debugging found that mem->nid was set to NUMA_NO_NODE, which crashed in
NODE_DATA(nid). Further analysis revealed that we're running into a race
with udev event processing: add_memory_resource() has this function calls:
1) __try_online_node()
2) arch_add_memory()
3) create_memory_block_devices()
-> calls device_register() -> memory 'add' event
4) node_set_online()/__register_one_node()
-> calls device_register() -> node 'add' event
5) register_memory_blocks_under_node()
-> sets mem->nid
Which, to the uninitated, is ... weird ...
Why do we try to online the node in 1), but only register the node in 4)
_after_ we have created the memory blocks in 3) ? And why do we set the
'nid' value in 5), when the uevent (which might need to see the correct
'nid' value) is sent out in 3) ? There must be a reason, I'm sure ...
So here's a small patchset to fixup uevent ordering. The first patch adds
a 'nid' parameter to add_memory_blocks() (to avoid mem->nid being
initialized with NUMA_NO_NODE), and the second patch reshuffles the code
in add_memory_resource() to fully initialize the node prior to calling
create_memory_block_devices() so that the node is valid at that time and
uevent processing will see correct values in sysfs.
This patch (of 3):
We have some udev rules trying to read the sysfs attribute 'valid_zones'
during an memory 'add' event, causing a crash in zone_for_pfn_range().
Debugging found that mem->nid was set to NUMA_NO_NODE, which crashed in
NODE_DATA(nid). Further analysis revealed that we're running into a race
with udev event processing: add_memory_resource() has this function calls:
1) __try_online_node()
2) arch_add_memory()
3) create_memory_block_devices()
-> calls device_register() -> memory 'add' event
4) node_set_online()/__register_one_node()
-> calls device_register() -> node 'add' event
5) register_memory_blocks_under_node()
-> sets mem->nid
Which, to the uninitated, is ... weird ...
Why do we try to online the node in 1), but only register the node in 4)
_after_ we have created the memory blocks in 3) ? And why do we set the
'nid' value in 5), when the uevent (which might need to see the correct
'nid' value) is sent out in 3) ? There must be a reason, I'm sure ...
So here's a small patchset to fixup uevent ordering. The first patch adds
a 'nid' parameter to add_memory_blocks() (to avoid mem->nid being
initialized with NUMA_NO_NODE), and the second patch reshuffles the code
in add_memory_resource() to fully initialize the node prior to calling
create_memory_block_devices() so that the node is valid at that time and
uevent processing will see correct values in sysfs.
This patch (of 3):
Add a 'nid' parameter to add_memory_block() to initialize the memory block
with the correct node id.
Link: https://lkml.kernel.org/r/20250729064637.51662-1-hare@kernel.org
Link: https://lkml.kernel.org/r/20250729064637.51662-2-hare@kernel.org
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull file->f_path constification from Al Viro:
"Only one thing was modifying ->f_path of an opened file - acct(2).
Massaging that away and constifying a bunch of struct path * arguments
in functions that might be given &file->f_path ends up with the
situation where we can turn ->f_path into an anon union of const
struct path f_path and struct path __f_path, the latter modified only
in a few places in fs/{file_table,open,namei}.c, all for struct file
instances that are yet to be opened"
* tag 'pull-f_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (23 commits)
Have cc(1) catch attempts to modify ->f_path
kernel/acct.c: saner struct file treatment
configfs:get_target() - release path as soon as we grab configfs_item reference
apparmor/af_unix: constify struct path * arguments
ovl_is_real_file: constify realpath argument
ovl_sync_file(): constify path argument
ovl_lower_dir(): constify path argument
ovl_get_verity_digest(): constify path argument
ovl_validate_verity(): constify {meta,data}path arguments
ovl_ensure_verity_loaded(): constify datapath argument
ksmbd_vfs_set_init_posix_acl(): constify path argument
ksmbd_vfs_inherit_posix_acl(): constify path argument
ksmbd_vfs_kern_path_unlock(): constify path argument
ksmbd_vfs_path_lookup_locked(): root_share_path can be const struct path *
check_export(): constify path argument
export_operations->open(): constify path argument
rqst_exp_get_by_name(): constify path argument
nfs: constify path argument of __vfs_getattr()
bpf...d_path(): constify path argument
done_path_create(): constify path argument
...
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Pull NFS client updates from Anna Schumaker:
"New Features:
- Add a Kconfig option to redirect dfprintk() to the trace buffer
- Enable use of the RWF_DONTCACHE flag on the NFS client
- Add striped layout handling to pNFS flexfiles
- Add proper localio handling for READ and WRITE O_DIRECT
Bugfixes:
- Handle NFS4ERR_GRACE errors during delegation recall
- Fix NFSv4.1 backchannel max_resp_sz verification check
- Fix mount hang after CREATE_SESSION failure
- Fix d_parent->d_inode locking in nfs4_setup_readdir()
Other Cleanups and Improvements:
- Improvements to write handling tracepoints
- Fix a few trivial spelling mistakes
- Cleanups to the rpcbind cleanup call sites
- Convert the SUNRPC xdr_buf to use a scratch folio instead of
scratch page
- Remove unused NFS_WBACK_BUSY() macro
- Remove __GFP_NOWARN flags
- Unexport rpc_malloc() and rpc_free()"
* tag 'nfs-for-6.18-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (46 commits)
NFS: add basic STATX_DIOALIGN and STATX_DIO_READ_ALIGN support
nfs/localio: add tracepoints for misaligned DIO READ and WRITE support
nfs/localio: add proper O_DIRECT support for READ and WRITE
nfs/localio: refactor iocb initialization
nfs/localio: refactor iocb and iov_iter_bvec initialization
nfs/localio: avoid issuing misaligned IO using O_DIRECT
nfs/localio: make trace_nfs_local_open_fh more useful
NFSD: filecache: add STATX_DIOALIGN and STATX_DIO_READ_ALIGN support
sunrpc: unexport rpc_malloc() and rpc_free()
NFSv4/flexfiles: Add support for striped layouts
NFSv4/flexfiles: Update layout stats & error paths for striped layouts
NFSv4/flexfiles: Write path updates for striped layouts
NFSv4/flexfiles: Commit path updates for striped layouts
NFSv4/flexfiles: Read path updates for striped layouts
NFSv4/flexfiles: Update low level helper functions to be DS stripe aware.
NFSv4/flexfiles: Add data structure support for striped layouts
NFSv4/flexfiles: Use ds_commit_idx when marking a write commit
NFSv4/flexfiles: Remove cred local variable dependency
nfs4_setup_readdir(): insufficient locking for ->d_parent->d_inode dereferencing
NFS: Enable use of the RWF_DONTCACHE flag on the NFS client
...
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git://git.samba.org/sfrench/cifs-2.6
Pull smb client updates from Steve French:
- Fix oops in crypt message
- Remove duplicate arc4 code
- Fix potential io_uring reconnect
- Two important directory leases fixes and three perf improvements
- Three minor cleanups
- Four debug improvements (e.g. for showing more information on leases,
and one for adding more helpful information on reconnect)
* tag '6.18-rc-part1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: client: force multichannel=off when max_channels=1
smb client: fix bug with newly created file in cached dir
smb: client: short-circuit negative lookups when parent dir is fully cached
smb: client: short-circuit in open_cached_dir_by_dentry() if !dentry
smb: client: remove pointless cfid->has_lease check
smb: client: transport: minor indentation style fix
smb: client: transport: avoid reconnects triggered by pending task work
smb: client: remove unused fid_lock
smb: client: update cfid->last_access_time in open_cached_dir_by_dentry()
smb: client: ensure open_cached_dir_by_dentry() only returns valid cfid
smb: client: account smb directory cache usage and per-tcon totals
smb: client: add drop_dir_cache module parameter to invalidate cached dirents
smb: client: show lease state as R/H/W (or NONE) in open_files
smb: client: fix crypto buffers in non-linear memory
smb: Use arc4 library instead of duplicate arc4 code
smb: client: add tcon information to smb2_reconnect() debug messages
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Pull smb server fixes from Steve French:
- Fix potential UAFs and corruptions in rpc open and close
- Fix copy_file_range when ranges overlap
- Improve session, share, connection lookup performance
- Fix potential hash collisions in share and session lists
- Debugging improvement - making per-connection threads easier to
identify
- Improve socket creation
- Fix return code mapping for posix query fs info
- Add support for limiting the maximum number of connections per IP
address, extending the existing connection limiting mechanism to
enforce per-IP connection limits alongside the global connection
limit
* tag 'v6.18rc1-part1-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: increase session and share hash table bits
ksmbd: replace connection list with hash table
ksmbd: add an error print when maximum IP connections limit is reached
ksmbd: add max ip connections parameter
ksmbd: fix error code overwriting in smb2_get_info_filesystem()
ksmbd: copy overlapped range within the same file
ksmbd: use sock_create_kern interface to create kernel socket
ksmbd: make ksmbd thread names distinct by client IP
ksmbd: Fix race condition in RPC handle list access
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This focuses on two primary updates for Android devices.
First, it sets hash-based file name lookup as the default method to
improve performance, while retaining an option to fall back to a
linear lookup.
Second, it resolves a persistent issue with the 'checkpoint=enable'
feature.
The update further boosts performance by prefetching node blocks,
merging FUA writes more efficiently, and optimizing block allocation
policies.
The release is rounded out by a comprehensive set of bug fixes that
address memory safety, data integrity, and potential system hangs,
along with minor documentation and code clean-ups.
Enhancements:
- add mount option and sysfs entry to tune the lookup mode
- dump more information and add a timeout when enabling/disabling
checkpoints
- readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
- merge FUA command with the existing writes
- allocate HOT_DATA for IPU writes
- Use allocate_section_policy to control write priority in
multi-devices setups
- add reserved nodes for privileged users
- Add bggc_io_aware to adjust the priority of BG_GC when issuing IO
- show the list of donation files
Bug fixes:
- add missing dput() when printing the donation list
- fix UAF issue in f2fs_merge_page_bio()
- add sanity check on ei.len in __update_extent_tree_range()
- fix infinite loop in __insert_extent_tree()
- fix zero-sized extent for precache extents
- fix to mitigate overhead of f2fs_zero_post_eof_page()
- fix to avoid migrating empty section
- fix to truncate first page in error path of f2fs_truncate()
- fix to update map->m_next_extent correctly in f2fs_map_blocks()
- fix wrong layout information on 16KB page
- fix to do sanity check on node footer for non inode dnode
- fix to avoid NULL pointer dereference in
f2fs_check_quota_consistency()
- fix to detect potential corrupted nid in free_nid_list
- fix to clear unusable_cap for checkpoint=enable
- fix to zero data after EOF for compressed file correctly
- fix to avoid overflow while left shift operation
- fix condition in __allow_reserved_blocks()"
* tag 'f2fs-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (43 commits)
f2fs: add missing dput() when printing the donation list
f2fs: fix UAF issue in f2fs_merge_page_bio()
f2fs: readahead node blocks in F2FS_GET_BLOCK_PRECACHE mode
f2fs: add sanity check on ei.len in __update_extent_tree_range()
f2fs: fix infinite loop in __insert_extent_tree()
f2fs: fix zero-sized extent for precache extents
f2fs: fix to mitigate overhead of f2fs_zero_post_eof_page()
f2fs: fix to avoid migrating empty section
f2fs: fix to truncate first page in error path of f2fs_truncate()
f2fs: fix to update map->m_next_extent correctly in f2fs_map_blocks()
f2fs: fix wrong layout information on 16KB page
f2fs: clean up error handing of f2fs_submit_page_read()
f2fs: avoid unnecessary folio_clear_uptodate() for cleanup
f2fs: merge FUA command with the existing writes
f2fs: allocate HOT_DATA for IPU writes
f2fs: Use allocate_section_policy to control write priority in multi-devices setups
Documentation: f2fs: Reword title
Documentation: f2fs: Indent compression_mode option list
Documentation: f2fs: Wrap snippets in literal code blocks
Documentation: f2fs: Span write hint table section rows
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Add support for FS_IOC_{GET,SET}FSLABEL ioctl
- Two small clean-up patches
- Optimizes allocation bitmap loading time on large partitions with
small cluster sizes
- Allow changes for discard, zero_size_dir, and errors options via
remount
- Validate that the clusters used for the allocation bitmap are
correctly marked as in-use during mount, preventing potential data
corruption from reallocating the bitmap's own space
- Uses ratelimit to avoid too many error prints on I/O error path
* tag 'exfat-for-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: Add support for FS_IOC_{GET,SET}FSLABEL
exfat: combine iocharset and utf8 option setup
exfat: support modifying mount options via remount
exfat: optimize allocation bitmap loading time
exfat: Remove unnecessary parentheses
exfat: drop redundant conversion to bool
exfat: validate cluster allocation bits of the allocation bitmap
exfat: limit log print for IO error
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"Two cleanups and a bug fix:
- Remove unused type in macro fill_default_sys_attrs (Zhen Ni)
- Replace kzalloc + copy_from_user with memdup_user_nul (Thorsten Blum)
- Fix xattr related buffer overflow...
A message was forwarded to me from Disclosure <disclosure@aisle.com>
indicating a problem with a loop condition in our xattr code. When
I fixed the problem it exposed a related memory leak problem, and I
fixed that too"
* tag 'for-linus-6.18-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
fs/orangefs: Replace kzalloc + copy_from_user with memdup_user_nul
orangefs: fix xattr related buffer overflow...
orangefs: Remove unused type in macro fill_default_sys_attrs
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https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 updates from Konstantin Komarov:
"Added:
- support for FS_IOC_{GET,SET}FSLABEL ioctl
- reject index allocation if $BITMAP is empty but blocks exist
Fixed:
- integer overflow in run_unpack()
- resource leak bug in wnd_extend()
Changed:
- pretend $Extend records as regular files
- stop using write_cache_pages"
* tag 'ntfs3_for_6.18' of https://github.com/Paragon-Software-Group/linux-ntfs3:
ntfs3: stop using write_cache_pages
fs/ntfs3: reject index allocation if $BITMAP is empty but blocks exist
fs/ntfs3: Fix a resource leak bug in wnd_extend()
fs: ntfs3: Fix integer overflow in run_unpack()
ntfs3: pretend $Extend records as regular files
ntfs3: add FS_IOC_SETFSLABEL ioctl
ntfs3: add FS_IOC_GETFSLABEL ioctl
ntfs3: transition magic number to shared constant
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Pull jfs updates from Dave Kleikamp:
"A few fixes and cleanups for JFS"
* tag 'jfs-6.18' of github.com:kleikamp/linux-shaggy:
jfs: replace hardcoded magic number with DTPAGEMAXSLOT constant
JFS: Remove redundant 0 value initialization
JFS: Remove unnecessary parentheses
jfs: fix uninitialized waitqueue in transaction manager
jfs: Verify inode mode when loading from disk
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"New ext4 features:
- Add support so tune2fs can modify/update the superblock using an
ioctl, without needing write access to the block device
- Add support for 32-bit reserved uid's and gid's
Bug fixes:
- Fix potential warnings and other failures caused by corrupted /
fuzzed file systems
- Fail unaligned direct I/O write with EINVAL instead of silently
falling back to buffered I/O
- Correectly handle fsmap queries for metadata mappings
- Avoid journal stalls caused by writeback throttling
- Add some missing GFP_NOFAIL flags to avoid potential deadlocks
under extremem memory pressure
Cleanups:
- Remove obsolete EXT3 Kconfigs"
* tag 'ext4_for_linus-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix checks for orphan inodes
ext4: validate ea_ino and size in check_xattrs
ext4: guard against EA inode refcount underflow in xattr update
ext4: implemet new ioctls to set and get superblock parameters
ext4: add support for 32-bit default reserved uid and gid values
ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()
ext4: fix an off-by-one issue during moving extents
ext4: increase i_disksize to offset + len in ext4_update_disksize_before_punch()
ext4: verify orphan file size is not too big
ext4: fail unaligned direct IO write with EINVAL
ext4: correctly handle queries for metadata mappings
ext4: increase IO priority of fastcommit
ext4: remove obsolete EXT3 config options
jbd2: increase IO priority of checkpoint
ext4: fix potential null deref in ext4_mb_init()
ext4: add ext4_sb_bread_nofail() helper function for ext4_free_branches()
ext4: replace min/max nesting with clamp()
fs: ext4: change GFP_KERNEL to GFP_NOFS to avoid deadlock
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull udf and quota updates from Jan Kara:
"A fix for UDF and quota"
* tag 'fs_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fs: udf: fix OOB read in lengthAllocDescs handling
fs: quota: create dedicated workqueue for quota_release_work
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
- a couple of small cleanups and fixes
- implement fanotify watchdog that reports processes that fail to
respond to fanotify permission events in a given time
* tag 'fsnotify_for_v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: add watchdog for permission events
fanotify: Validate the return value of mnt_ns_from_dentry() before dereferencing
fsnotify: fix "rewriten"->"rewritten"
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git://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/linux
Pull configfs update from Andreas Hindborg:
"Just a very small refactoring to use PTR_ERR_OR_ZERO()"
* tag 'configfs-for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/a.hindborg/linux:
configfs: use PTR_ERR_OR_ZERO() to simplify code
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Extend copy_file_range interface to be fully 64bit capable (Miklos)
- Add selftest for fusectl (Chen Linxuan)
- Move fuse docs into a separate directory (Bagas Sanjaya)
- Allow fuse to enter freezable state in some cases (Sergey
Senozhatsky)
- Clean up writeback accounting after removing tmp page copies (Joanne)
- Optimize virtiofs request handling (Li RongQing)
- Add synchronous FUSE_INIT support (Miklos)
- Allow server to request prune of unused inodes (Miklos)
- Fix deadlock with AIO/sync release (Darrick)
- Add some prep patches for block/iomap support (Darrick)
- Misc fixes and cleanups
* tag 'fuse-update-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (26 commits)
fuse: move CREATE_TRACE_POINTS to a separate file
fuse: move the backing file idr and code into a new source file
fuse: enable FUSE_SYNCFS for all fuseblk servers
fuse: capture the unique id of fuse commands being sent
fuse: fix livelock in synchronous file put from fuseblk workers
mm: fix lockdep issues in writeback handling
fuse: add prune notification
fuse: remove redundant calls to fuse_copy_finish() in fuse_notify()
fuse: fix possibly missing fuse_copy_finish() call in fuse_notify()
fuse: remove FUSE_NOTIFY_CODE_MAX from <uapi/linux/fuse.h>
fuse: remove fuse_readpages_end() null mapping check
fuse: fix references to fuse.rst -> fuse/fuse.rst
fuse: allow synchronous FUSE_INIT
fuse: zero initialize inode private data
fuse: remove unused 'inode' parameter in fuse_passthrough_open
virtio_fs: fix the hash table using in virtio_fs_enqueue_req()
mm: remove BDI_CAP_WRITEBACK_ACCT
fuse: use default writeback accounting
virtio_fs: Remove redundant spinlock in virtio_fs_request_complete()
fuse: remove unneeded offset assignment when filling write pages
...
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git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs updates from Amir Goldstein:
- Work by André Almeida to support case-insensitive overlayfs
Underlying case-insensitive filesystems casefolding is per directory,
but for overlayfs it is all-or-nothing. It supports layers where all
directories are casefolded (with same encoding) or layers where no
directories are casefolded.
- A fix for a "bug" in Neil's ovl directory lock changes, which only
manifested itself with casefold enabled layers which may return an
unhashed negative dentry from lookup.
* tag 'ovl-update-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: make sure that ovl_create_real() returns a hashed dentry
ovl: Support mounting case-insensitive enabled layers
ovl: Check for casefold consistency when creating new dentries
ovl: Add S_CASEFOLD as part of the inode flag to be copied
ovl: Set case-insensitive dentry operations for ovl sb
ovl: Ensure that all layers have the same encoding
ovl: Create ovl_casefold() to support casefolded strncmp()
ovl: Prepare for mounting case-insensitive enabled layers
fs: Create sb_same_encoding() helper
fs: Create sb_encoding() helper
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