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7f063b2f17
1473528 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
7f063b2f17 |
vhost,vdpa,virtio: fixes, features
- transport v3 support in virtio-mmio - suspend support in vduse - fixes, cleanups all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCgAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmqF3YcPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRph3oH/RxUHWzRWDFhaDNLBz8ZIkwQlkX6+pkAxhEf zkiMCI/SRLi1R7mg74ARuFvR/3LWZCtB1JUdY4R49pZ5yjkzcxW3E8pNdoqxmbkv 3S06idrDGzAPLTpjn/RnT9CLmPFjyD/0L2VDbH406VplNy4QFo8jI0IA8720f/2b JeV03jYr9hCSwZJKxPKnWnBKGHJ2F9TwdIim7heo4+kFPe60dkra8VwwQQ5XpYBa mAgRJwZ04y2pAyunRP7wYRQKEbyWn/3bBDUDP2rNNnzuSQMngXrlhKDYRjugxMia JDLQIE6TwEOB7hy7QhuPwfwAelDdjF/veMN038ejjXZyMaZNZmo= =ln0X -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull vhost,vdpa,virtio updates from Michael Tsirkin: - transport v3 support in virtio-mmio - suspend support in vduse - fixes, cleanups all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (54 commits) vduse: Add suspend vduse: do not take rwsem at reset work flush vduse: add F_QUEUE_READY feature vduse: add VDUSE_SET_FEATURES ioctl vduse: add VDUSE_GET_FEATURES ioctl vduse: store control device pointer tools/virtio: Fix control typo in trace agent comment tools/virtio: Fix userspace typo in vringh test comment vhost: reject zero-size IOTLB INVALIDATE vdpa: Remove redundant dev_err() virtio_ring: fix infinite loop in virtnet_poll_cleantx when device is broken vdpa/mlx5: roll back MR update after VQ setup failure MAINTAINERS: remove Gabriel from LiteX and fw-cfg drivers virtio_mem: fix typo in comment vdpa/solidrun: fix typos in snet_ctrl comments virtio: fix article before virtio in dma-buf comment vhost: fix inaccurate kdoc in iotlb helpers virtio: rtc: time out alarm requests vdpa/mlx5: fix wrong MLX5_ADDR_OF struct type in alloc_inout() vdpa: octeon_ep: add missing MODULE_DEVICE_TABLE() ... |
||
|
Linus Torvalds
|
a625b2a387 |
VFIO updates for v7.3-rc1
- Add nv_falcon vfio selftest driver. The Falcon is a general-purpose
microcontroller embedded within NVIDIA GPUs, presenting a relatively
simple DMA programming interface. This adds another selftest target
for vfio-pci with real DMA transfers. (Rubin Du, Alex Williamson)
- Add allocation assertion helpers to vfio selftests and use them to
avoid variable length arrays and the compiler errors they generate.
(Alex Mastro)
- Fix use-after-free hazard where an init path error in MSI support
leaves a stray pointer that can later be reused or double-freed.
(Xiang Mei)
- Fix previous refactor of PCI BAR mappings to honor non_mappable_bars
flag, which otherwise generates a warning when trying to pci_iomap()
a 256TiB BAR on ISM devices on s390. (Farhan Ali)
- Add igb vfio selftest driver. Like nv_falcon, this provides another
target for DMA testing with vfio selftests, but importantly this
driver supports both physical 82576 NICs and the emulation model in
QEMU. This therefore enables a vfio selftest vector with no physical
hardware requirements. (Josh Hilke, Alex Williamson)
- Mark selftest fixture objects __maybe_unused to accommodate builds
with clang -Wunused-but-set-global. (David Matlack)
- Add error recovery for vfio-pci devices on s390x. This expands
devices which expose the existing error eventfd and introduces a
device feature for reporting firmware defined error state
information to the user, allowing recovery through hypervisor
channels. (Farhan Ali)
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Merge tag 'vfio-v7.3-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add nv_falcon vfio selftest driver.
The Falcon is a general-purpose microcontroller embedded within
NVIDIA GPUs, presenting a relatively simple DMA programming
interface.
This adds another selftest target for vfio-pci with real DMA
transfers (Rubin Du, Alex Williamson)
- Add allocation assertion helpers to vfio selftests and use them to
avoid variable length arrays and the compiler errors they generate
(Alex Mastro)
- Fix use-after-free hazard where an init path error in MSI support
leaves a stray pointer that can later be reused or double-freed
(Xiang Mei)
- Fix previous refactor of PCI BAR mappings to honor non_mappable_bars
flag, which otherwise generates a warning when trying to pci_iomap()
a 256TiB BAR on ISM devices on s390 (Farhan Ali)
- Add igb vfio selftest driver.
Like nv_falcon, this provides another target for DMA testing with
vfio selftests, but importantly this driver supports both physical
82576 NICs and the emulation model in QEMU.
This therefore enables a vfio selftest vector with no physical
hardware requirements (Josh Hilke, Alex Williamson)
- Mark selftest fixture objects __maybe_unused to accommodate builds
with clang -Wunused-but-set-global (David Matlack)
- Add error recovery for vfio-pci devices on s390x.
This expands devices which expose the existing error eventfd and
introduces a device feature for reporting firmware defined error
state information to the user, allowing recovery through hypervisor
channels (Farhan Ali)
* tag 'vfio-v7.3-rc1' of https://github.com/awilliam/linux-vfio:
vfio/pci: Remove the pcie check for VFIO_PCI_ERR_IRQ_INDEX
vfio-pci/zdev: Add a device feature for error information
s390/pci: Store PCI error information for passthrough devices
PCI/MSI: Enable memory decoding before restoring MSI-X messages
PCI: Fail FLR when config space is inaccessible
PCI: Avoid saving config space state if inaccessible
PCI: Allow per function PCI slots to fix slot reset on s390
PCI: Introduce PCI_SLOT_PLACEHOLDER constant for slot_nr placeholder value
selftests: harness: Mark test fixture objects __maybe_unused
vfio: selftests: Retry on EAGAIN during device reset
vfio: selftests: igb: Add driver for Intel 82576 device
vfio: selftests: Add helpers to re-enable interrupts
vfio/pci: Avoid mapping BARs for devices with non-mappable BARs
vfio/pci: clear vdev->msi_perm after freeing it on init failure
vfio: selftests: Avoid VLAs
vfio: selftests: Add allocation assert helpers
vfio: selftests: Add NVIDIA Falcon driver for DMA testing
vfio: selftests: Allow drivers without send_msi() support
vfio: selftests: Add generic PCI command register helpers
vfio: selftests: Add memcpy chunking to vfio_pci_driver_memcpy()
|
||
|
Linus Torvalds
|
77ae27fd98 |
printk changes for 7.3
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||
|
Linus Torvalds
|
6439079365 |
Probes updates for v7.3:
- probes: Advanced BTF typecasting and variable fetch enhancements
. Typecast support across probe events: Extended BTF typecasting syntax
(e.g., (STRUCT)PARAM->MEMBER) to kprobes, uprobes, and fprobes on
function entry and return.
. Nested typecasts: Added support for chaining and nesting typecasts up
to 3 levels, including casting registers and stack variables.
. Field specifier option: Added (STRUCT,FIELD) syntax to emulate
container_of(), allowing retrieval of parent structures from member
pointers.
. $current variable support: Introduced $current special variable to
access the running task_struct via BTF dereferencing.
. Per-CPU variable access: Added this_cpu_read() and this_cpu_ptr()
fetcharg methods to trace CPU-local data safely.
. Fetcharg bytecode dumper: Added CONFIG_PROBE_EVENTS_DUMP_FETCHARG to
dump the compiled fetcharg bytecode instructions as comments in
dynamic_events.
. Extended symbol name handling: Removed the MAX_COMMON_HEAD_LEN limit
and extended MAX_ARGSTR_LEN to 256 bytes, enabling probing of long
symbols, mangled Rust symbols and complex BTF expressions.
. eprobe variable syntax: Allowed eprobes to reference event fields
directly without requiring a '$' prefix.
. Cleanup unused parameters, redundant codes, duplicate macros and
pointer arithmetic.
. Use a ternary operator for simplifying fetch_type_from_btf_type().
- bootconfig / boottime-trace: Expanded dynamic probe support
. Added boot-time tracing configuration support for event probes
(eprobes), function probes (fprobes), and tracepoint probes
(tprobes).
. ftrace2bootconfig: Allowed comment lines ('#') in dynamic_events file.
- fprobe / kprobe: Optimization, robustness, and cleanups
. fprobe: Simplified fprobe_remove_ips() by reusing graph and ftrace
helpers.
. fprobe: Removed __packed attribute from struct __fprobe_header to avoid
unaligned memory access penalties on RISC architectures.
. kprobe & fprobe: Removed redundant memset() calls in perf event probe
handlers.
. kprobes: Replaced legacy __ASSEMBLY__ with __ASSEMBLER__ in header
files.
- selftests & refactoring:
. Refactored parse_probe_arg() and parse_probe_vars(), and eliminated
recursion in probe argument parsing to protect kernel stack depth.
. Added selftests for BTF typecasts and module probing without module
prefixes.
. Forced LC_ALL=C in ftracetest to prevent test failures on localized
systems.
. Refactored btf_type_skip_modifiers() to remove ignored id parameter.
. Sorted ERRORS list in trace_probe.h alphabetically.
. Fixed typo in fprobe docs, and trace_fprobe function name.
. Renamed FETCH_OP_DATA to FETCH_OP_IMMSTR.
. Made file offset error message probe-agnostic.
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Merge tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
"BTF typecasting and variable fetch enhancements:
- Typecast support across probe events: Extended BTF typecasting
syntax (e.g., (STRUCT)PARAM->MEMBER) to kprobes, uprobes, and
fprobes on function entry and return
- Nested typecasts: Added support for chaining and nesting typecasts
up to 3 levels, including casting registers and stack variables
- Field specifier option: Added (STRUCT,FIELD) syntax to emulate
container_of(), allowing retrieval of parent structures from member
pointers
- $current variable support: Introduced $current special variable to
access the running task_struct via BTF dereferencing
- Per-CPU variable access: Added this_cpu_read() and this_cpu_ptr()
fetcharg methods to trace CPU-local data safely
- Fetcharg bytecode dumper: Added CONFIG_PROBE_EVENTS_DUMP_FETCHARG
to dump the compiled fetcharg bytecode instructions as comments in
dynamic_events
- Extended symbol name handling: Removed the MAX_COMMON_HEAD_LEN
limit and extended MAX_ARGSTR_LEN to 256 bytes, enabling probing of
long symbols, mangled Rust symbols and complex BTF expressions
- eprobe variable syntax: Allowed eprobes to reference event fields
directly without requiring a '$' prefix
- Cleanup unused parameters, redundant codes, duplicate macros and
pointer arithmetic
- Use a ternary operator for simplifying fetch_type_from_btf_type()
Expanded boot time dynamic probe support:
- Add boot-time tracing configuration support for event probes
(eprobes), function probes (fprobes), and tracepoint probes
(tprobes)
- Allow comment lines ('#') in dynamic_events file
Optimization, robustness, and cleanups:
- Simplify fprobe_remove_ips() by reusing graph and ftrace helpers
- Remove __packed attribute from struct __fprobe_header to avoid
unaligned memory access penalties on RISC architectures
- Remove redundant memset() calls in perf event probe handlers
- Replace legacy __ASSEMBLY__ with __ASSEMBLER__ in header files
Selftests & refactoring:
- Refactor parse_probe_arg() and parse_probe_vars(), and eliminate
recursion in probe argument parsing to protect kernel stack depth
- Add selftests for BTF typecasts and module probing without module
prefixes
- Force LC_ALL=C in ftracetest to prevent test failures on localized
systems
- Refactor btf_type_skip_modifiers() to remove ignored id parameter
- Sort ERRORS list in trace_probe.h alphabetically
- Fix typo in fprobe docs, and trace_fprobe function name
- Rename FETCH_OP_DATA to FETCH_OP_IMMSTR
- Make file offset error message probe-agnostic"
* tag 'probes-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (37 commits)
fprobe: Simplify fprobe_remove_ips() by reusing existing helpers
tracing/boot: Add support for eprobe, fprobe, and tprobe events
selftests/ftrace: Force C locale in ftracetest
tracing/probes: Treating longer symbol name on event comparation
docs: trace: fprobe: fix 'thos' spelling
tracing/probes: Fix extra whitespace in trace_probe_kernel.h
tracing/kprobe: Remove redundant memset in kprobe_perf_func()
tracing/fprobe: Remove redundant memset in fentry_perf_func()
tracing/fprobe: Remove redundant snprintf in trace_fprobe_match_command_head()
tracing/probes: Simplify BTF_KIND_PTR case in fetch_type_from_btf_type()
tracing/probes: Cleanup pointer arithmetic in store_trace_entry_data()
tracing/probes: Remove unused parameter from parse_probe_var_retval()
tracing/probes: Remove redundant bounds check in trace_probe_compare_arg_type()
tracing/probes: Remove redundant boolean conversion in trace_probe_has_single_file()
tracing/probes: Remove duplicate MAX_ARRAY_LEN macro definition
selftests/ftrace: Add test case for a symbol in a module without module name
tracing/probes: Eliminate recursion in parse_probe_arg()
tracing/probes: Extend max length of argument string
tracing/probes: Sort ERRORS list in trace_probe.h alphabetically
tracing/probes: Refactor parse_probe_arg()
...
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Linus Torvalds
|
920f27122c |
CXL for v7.3
CXL core type2 support: cxl: Support dpa without a mailbox cxl: Support Type2 cxl regs mapping CXL test type2 support: cxl/test: Rework cxl_type2_mem_init() to use cxl_mock_platform_device_add() cxl/test: Add cxl_test accelerator driver cxl/test: Fixup hdm init for auto region to support type2 cxl/test: Propagate -ENOMEM on platform_device_alloc() failures cxl/test: Add hierarchy enumeration support for type2 device cxl/test: Refactor platform device enumerations cxl/test: Add type2 support for mock CFMWS0 cxl/test: Add test for module parameters CXL port error handling support prep patches: cxl: Rename find_cxl_port() to find_cxl_port_by_dport() cxl: Tighten CPER kfifo registration API and symbol visibility acpi/apei/ghes: Use raw_spinlock_t for CXL CPER work locks cxl/ras: Fix cxl_rch_get_aer_severity() wrong severity register cxl/ras: Fix cxl_rch_get_aer_info() out-of-bounds AER register read CXL misc patches: cxl/Documentation: Spell out globbed sysfs attribute names cxl/test: Assign one mock memdev a full-width serial number cxl/core: Format the memdev serial number as unsigned in TP_printk cxl/pmem: Format the nvdimm serial number as unsigned decimal cxl: Use %pe to print error pointers cxl: Deny Features commands on the RAW mailbox path CXL fixes: cxl/region: Use __free(put_device) in find_pos_and_ways() cxl/region: Fix use-after-free in find_pos_and_ways() error path cxl/features: Clamp Get Feature output size to the remaining buffer cxl/features: Reject Set Features output buffer smaller than the header cxl/features: Reject Get Feature count larger than the output buffer cxl/port: Restart port enumeration when a sibling adds the dport first cxl/features: Serialize multi-part Get/Set Feature transfers cxl/pci: Honor -EPROBE_DEFER from component register setup cxl/mbox: Break poison list loop on an empty payload cxl/memdev: Fix firmware upload exact-fit handling cxl/features: bound fwctl command payload to the input buffer cxl/mce: Make the MCE notifier per-region cxl/pci: Remove incorrect mbox.valid check in cxl_pci_type3_init_mailbox() cxl: docs/linux/dax-driver - fix typos cxl: fix mailbox return code description typo cxl/mbox: Clamp mailbox output allocation to the payload size -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5DAy15EJMCV1R6v9YGjFFmlTOEoFAmqDPQEACgkQYGjFFmlT OEqNBw/+LP25RACa3Jtwb53KtycNi/MzyVBXV311rDaBGzSKUixkO9LYCIV76lI/ 86x+U7+fmXBTmynD8lNwgVUw2P18xguYPe3bfn9qlmC2AZ6zmyeEzRU4p4BRzxTv iE9utK7DLetNRLGMnYIz3ziHLaSaZf0RslvecXF61y+nNhfd5N/pg52Bw1dUdpRi 91m8v0JJ+v+OtEKwCsinV4lck07WRmk+roCFFqcwIdR4GkhKBKiipf+Vv9EoR/k5 zBkhPazWFNKmnvf3VAY+vvo/Nh+wmHOrLqJUi5QYOQDXUGiJgt6/2JDVDBrY+QZL 1I7BN66d4PE7lQnYpZHnu/aSlhcV/QI/4tKRnt1eZ7kIFO0s7QbPo7Fg8+Ql+43m V/qYWPxC6BgQXHBYAcnvJZO6COL1EIG1+sGy+x6kInTn33KPBeit6Ru7c3wxmYFa jXfdrudfN+0fUtjEhrMb2IIxfhNV5O/wLQqlj2c8vXgRmZo9dElyyiIxOC87EnOG sWD2Z+4z9Id4egU6bU5iTdVdT+CW0WkUHAd9gtmYwlr9Ttrqh01CTu7vc0XEKyKS j5YU/3sV2H8KbU5PqVo9GeYRukylESe+w42+7UemBUSzX6OIDaiNNokmDt9L+Cg7 pdBr1qzjasR7XIDXNP9IRdkPKTgqDbSrg/gVIZJe+j7OsUHu0Nw= =6Bd/ -----END PGP SIGNATURE----- Merge tag 'cxl-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl Pull CXL updates from Dave Jiang: "This includes the remaining patches to complete the basic support for CXL type2 (accelerators) drivers by the CXL core. A set of unit testing support to catch regressions for the CXL core type2 exported functions has also been added. The actual CXL type 2 driver support for the AMD Solarflare NIC driver has been picked up by net-dev. A set of preparatory patches has been picked up from the CXL port error handling series in order to reduce the number of patches in that series for review. The rest of that series is getting close to be merged but was not ready for the 7.3 merge window. There are also a number of misc patches and a large number of bug fixes against pre-existing issues flagged by sashiko reviews as contributors post new patches on the mailing list. We will continue to work through the sashiko raised issues as they show up." * tag 'cxl-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (35 commits) cxl/Documentation: Spell out globbed sysfs attribute names cxl: Rename find_cxl_port() to find_cxl_port_by_dport() cxl: Tighten CPER kfifo registration API and symbol visibility acpi/apei/ghes: Use raw_spinlock_t for CXL CPER work locks cxl/ras: Fix cxl_rch_get_aer_severity() wrong severity register cxl/ras: Fix cxl_rch_get_aer_info() out-of-bounds AER register read cxl/test: Assign one mock memdev a full-width serial number cxl/core: Format the memdev serial number as unsigned in TP_printk cxl/pmem: Format the nvdimm serial number as unsigned decimal cxl: Use %pe to print error pointers cxl/region: Use __free(put_device) in find_pos_and_ways() cxl/region: Fix use-after-free in find_pos_and_ways() error path cxl: Deny Features commands on the RAW mailbox path cxl/features: Clamp Get Feature output size to the remaining buffer cxl/features: Reject Set Features output buffer smaller than the header cxl/features: Reject Get Feature count larger than the output buffer cxl/port: Restart port enumeration when a sibling adds the dport first cxl/features: Serialize multi-part Get/Set Feature transfers cxl/pci: Honor -EPROBE_DEFER from component register setup cxl/mbox: Break poison list loop on an empty payload ... |
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|
Linus Torvalds
|
073e62fd33 |
RISC-V updates for v7.3
- Add initial definitions and discovery for the Smcsrind, Sscsrind, Smcntrpmf, Ssccfg, Smcdeleg, Zicclsm, Ziccamoa, Ziccif, Ziccrse, Za64rs, and Ssqosid RISC-V ISA extensions - Improve the RISC-V update_mmu_cache_range() implementation by using flush-by-ASID, enabling performance improvements on microarchitectures that support related optimizations; and by taking advantage of the Svinval RISC-V ISA extension on microarchitectures that support it - Shrink CFI shadow stack allocation further (to 512MB) to save virtual address space (and physical memory on systems with strict overcommit policies) - Add initial CPU context switch support for QoS tagging (Ssqosid) - Change our vector misaligned access speed test code to be synchronous, avoiding a bunch of bugs related to unnecessary asynchronicity - Enable ARCH_HAS_ACPI_TABLE_UPGRADE for RISC-V to help with ACPI table debugging (similar to ARM64 and x86) - Extract vDSO section offsets at build time, rather than run time, to avoid the boot time overhead - Use assembler directives to control the use of instructions from the RISC-V ISA extensions Zacas and Zabha, rather than compiler -march flags that could affect the whole kernel (similar to ARM64) - Add a kselftest for kprobes support for the c.jal instruction on RISC-V - When UEFI runtime services are available, use them to restart and power off - Fix ARCH_HAS_ACPI_TABLE_UPGRADE for RISC-V by adding a missing include file to the ACPI code - Move contiguous DMA memory reservation later in the boot, to ensure that the correct global and per-node pools are allocated when CONFIG_CMA_SIZE_PERNUMA is enabled - Disallow probes on breakpoint handlers to avoid recursing indefinitely into do_trap_break() - Patch the compat vDSO during runtime alternatives processing, not only the standard vDSO - Remove some leftover XIP support elements missed by commit |
||
|
Linus Torvalds
|
73cc4da385 |
m68k updates for v7.3
- Fix backtraces for non-running tasks, - Fix deadlock in show_cons_active(), - Defconfig updates, - Miscellaneous fixes and improvements. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCaoV1OQAKCRCKwlD9ZEnx cHjKAQDcxc6SuW9cuxPrdXobvsogct3oSUJYrqDtNyAxmMEOlwEAzGZ+dRdDLs/V znDQV+PWuMTu+Aj6KujQcexGsyeCtw0= =xyN1 -----END PGP SIGNATURE----- Merge tag 'm68k-for-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - Fix backtraces for non-running tasks - Fix deadlock in show_cons_active() - defconfig updates * tag 'm68k-for-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: nfcon: Do not call console_is_registered() in nfcon_device() m68k: Fix backtraces for non-running tasks m68k: defconfig: Update defconfigs for v7.2-rc1 m68k: amiga: Remove redundant amiga_reset() prototype |
||
|
Linus Torvalds
|
caf325ab81 |
LoongArch changes for v7.3
1, Add DIRECT_MAP_PHYSMEM_END definition; 2, Expand module virtual address space to 2GB; 3, Use current_stack_pointer in current_pt_regs(); 4, BPF JIT enhancements such as kptr_xchg and timed may_goto; 5, Some bug fixes and other small changes. -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEzOlt8mkP+tbeiYy5AoYrw/LiJnoFAmqDGUUWHGNoZW5odWFj YWlAa2VybmVsLm9yZwAKCRAChivD8uImeiE5D/0XYl8xAsOegm2dNuM+kKfqXAV4 FcbaoB7GuYHWG7lFkVTITwBe8A30BInADrwZQPxv7wb7aTQusTwNjAfq1pX1MOxG ET1Fady7dEokCB9VAS/FP24lbF5nDYLVs0kEcx+xvAwQpW750Rk+aWcyCZeX5xgV 3KrlnYVXDvDYY6HDeuL9pXkKhyRe4uqnPLh1loOhK0HC/NhLCu+tfyLH3pQl/ZCf QuNnw93fSTJPvZD2HcTb81tG4ohdj5GXM9SuckfIvNiZoRtc5pMnVE6we1N5yQKY E4EwB9fqQ74piMbM2RjLPi5bjgzzdJSGamdEZ4QUau4HjFXZsDiNEfWRmN2Z3qQo +zsLzZq43yHsCUsaobWmtmo0Q6YF4pjtyff904YYrPIKH+96dyGsvjbA+n46H7pL Eg+HNdOH0t6dU706y0zbR0t1Za4PiM9dZtV3BZT3B8MLMEy7dsVYoBUt+7Kc+eYB lq5SlWaFYyOSnC1WL8/uzzrH6adF/62DruHy1ovlWOE6bhPc+uQucXHOyNxyf86h xIlOB0hRCO18sYql6WuxpQO9bKP0LCQv5JoeCqjXsKTQgiG3kFAx9bpRmTHt4CqH 3LWiBRRVzLvScZ0qqerGXXylXXkdN3uagtpSXM+f/bXbWje3cROSyWK4rktwLsPN ugAIATgZ8+/B45X56w== =h0m2 -----END PGP SIGNATURE----- Merge tag 'loongarch-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Add DIRECT_MAP_PHYSMEM_END definition - Expand module virtual address space to 2GB - Use current_stack_pointer in current_pt_regs() - BPF JIT enhancements such as kptr_xchg and timed may_goto - Some bug fixes and other small changes * tag 'loongarch-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: selftests/bpf: Enable kptr_xchg_inline test on LoongArch LoongArch: BPF: Add arch_bpf_stack_walk() implementation LoongArch: BPF: Add timed may_goto implementation LoongArch: BPF: Resolve per-CPU addrs for internal-only MOV LoongArch: BPF: Advertise JIT support for kptr xchg inline LoongArch: BPF: Align value-returning atomics with LKMM LoongArch: BPF: Split unconditional branch JA paths statically LoongArch: BPF: Remove dead move_imm() call in BPF_NEG path LoongArch: BPF: Remove redundant zext jumping in move_imm() LoongArch: BPF: Implement branchless conditional move for TCC LoongArch: BPF: Refactor jump offset calculation in tail call LoongArch: BPF: Move arena register slot below TCC context LoongArch: BPF: Optimize redundant TCC loads in epilogue LoongArch: Use current_stack_pointer in current_pt_regs() LoongArch: Use generic cmp_int() instead of custom cmp_3way() LoongArch: Expand module virtual address space to 2GB LoongArch: Add DIRECT_MAP_PHYSMEM_END definition LoongArch: Fix acpi_package_ids[] array overflow |
||
|
Linus Torvalds
|
55ab7e1422 |
for-7.3/block-20260819
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Merge tag 'for-7.3/block-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Enable Clang context analysis for the nvme host driver, adding
context annotations across core, fabrics, rdma, tcp and pci
- nvmet reservation state exposed through a new namespace-level
debugfs directory, plus ABI documentation for the host sysfs and
target configfs interfaces
- nvme-tcp host memory disclosure fixes on the read path: reject a
read that transferred too few bytes, don't accept C2HData based
on blk_rq_payload_bytes() alone, and fix the R2T case for a read
command
- Parallelize nvme-rdma I/O queue allocation and startup (Surabhi)
- Apple nvme fixes and quirks: page aligned admin queue buffers,
destroy the admin queue on removal, and various DMA/NVMMU
correctness fixes
- A large pile of nvmet and host fixes for out-of-bounds reads,
refcount/resource leaks, and NULL derefs across auth, zns,
passthru, pci-epf, rdma and configfs
- Various other fixes and cleanups
- MD updates via Yu Kuai:
- llbitmap reshape support, the large series wiring exact bitmap
mapping and reshape lifecycle through raid5 and raid10, growing
the page cache in place, and remapping checkpointed bits as
reshape progresses
- raid5 fixes for lockless max_nr_stripes and recovery_offset
accesses, a reshape deadlock with more failed devices than max
degraded, and bitmap batch counter consistency
- Atomic write handling for raid1/raid10, and removal of the
REQ_NOWAIT support from raid1/10/456
- raid5-ppl use-after-free fix in ppl_do_flush()
- A batch of smaller fixes across md core and the bitmap code
- s390/dasd ESE full-track write support and the surrounding
infrastructure, plus enabling CONTEXT_ANALYSIS for s390/block
- RWF_DONTCACHE support for block devices, built on new task-context
bio completion infrastructure, and wiring it up for the iomap and
buffer dropbehind writeback paths
- Async io_uring zone reset all, plus zone management command cleanups
allowing REQ_NOWAIT and tightening conventional zone rejection
- Block integrity refactoring: lift BIP_CHECK_FLAGS to the shared
header, handle nogenerate/noverify properly in fs-integrity, and drop
the blk-integrity.h include from bdev.c
- Split out a new blk_plug.h header
- ublk improvements: add UBLK_F_IO_DESC_SIZE, split request validation
from io_desc init, reject non-power-of-2 zone sizes in SET_PARAMS,
and a series of hardening fixes around map/unmap and auto buf reg
- null_blk cleanups and configfs serialization fixes
- nbd queue freeze removal on the setup paths, and a new
pre_defined_connections module parameter for pre-created devices
- blk-cgroup fixes for the race between policy activation and blkg
destruction, and accounting per-cpu stats over possible CPUs across
blk-stat, iolatency, iocost and kyber
- Various dio fixes: leak on metadata mapping error, validate user
space vectors during extraction, and set dma_alignment from the
backing file for loop and zloop direct I/O
- bio cleanups
- Various other fixes and cleanups all over
* tag 'for-7.3/block-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (241 commits)
nbd: add pre_defined_connections module parameter for pre-created devices
nbd: remove queue freeze for newly created nbd from netlink path
nbd: factor out a nbd_genl_foreach_sock
nbd: skip queue freeze when setting size at device startup
nbd: remove queue freeze in nbd_add_socket
nbd: clear queue limits on disconnect
nbd: disallow NBD_SET_SOCK on an active device
nbd: simplify find_fallback() by removing redundant logic
blk-mq: add missing call to srcu_barrier() in blk_mq_free_tag_set()
block: mtip32xx: synchronize ioctls with device removal
ublk: avoid teardown retry loop on xarray allocation failure
null_blk: fix UBSAN shift-out-of-bounds when zone_size is 0 or overflows
block: don't include blk-integrity.h in bdev.c
xfs: avoid double deferrals for RWF_DONTCACHE writes
loop: Fix recently introduced lock inversion
block: set QUEUE_FLAG_DYING unconditionally in blk_mark_disk_dead()
swim3: Add missing MODULE_DESCRIPTION
selftests: ublk: add SET_PARAMS validation test
selftests: ublk: add helper for SET_PARAMS
ublk: reject non-power-of-2 zone sizes in SET_PARAMS
...
|
||
|
Linus Torvalds
|
f5437ff729 |
for-7.3/io_uring-20260819
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Merge tag 'for-7.3/io_uring-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring update from Jens Axboe:
"On top of the usual cleanups and fixes, the bigger items in here are:
- zcrx work, most of it centered around adding dynamic area
provisioning, plus a bunch of prep and cleanups leading up to it:
scale refilling with large pages, coalesce same-niov RQEs on
refill, separate the RQ head/tail cache lines and cache the RQ
tail, and rework the area creation locking.
- Fix the futex inflight accounting so that only private futex waits
are marked inflight, and don't mark wake requests as inflight at
all.
- Drop the custom iov copy in the buffer select prep and msg header
copy paths, using the generic helpers instead.
- Fix a folio size overflow in io_vec_fill_bvec(), and account the
pages a compound region really uses in the memmap path.
- Fix an iovec leak in uring_cmd when the async cmd isn't recycled,
skip the blocking task work for io_uring_cmd_issue_blocking(), and
don't skip completion for a synchronous multishot cmd
- Defer eventfd signaling when queued from a wakeup handler
- Fix io-wq worker accounting when canceling creation callbacks
- Annotate remote tasks for kcoverage"
* tag 'for-7.3/io_uring-20260819' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (30 commits)
io_uring: Add missing include for ITER_SOURCE and ITER_DEST
io_uring/uring_cmd: don't skip completion for a synchronous multishot cmd
io_uring/memmap: account the pages a compound region really uses
io_uring/zcrx: add dynamic area provisioning
io_uring/zcrx: lock area creation with pp_lock
io_uring/zcrx: keep array of areas
io_uring/zcrx: move freelist lock to struct zcrx
io_uring/zcrx: unmap under netdev lock
io_uring/zcrx: split dmabuf unmap and release
io_uring/zcrx: don't pass ifq_reg to area creation
io_uring/zcrx: add helper for deriving area token
io_uring/zcrx: don't reload skb_shinfo
io_urint/zcrx: narrow var scope in io_zcrx_recv_skb()
io_uring/zcrx: constify area_reg on import
io_uring/zcrx: coalesce same-niov RQEs on refill
io_uring/zcrx: cache RQ tail
io_uring/zcrx: add RQ iterator
io_uring/zcrx: move RQ head/tail to separate cache lines
io_uring/zcrx: scale refilling with large pages
io_uring/io-wq: fix worker accounting when canceling creation callbacks
...
|
||
|
Linus Torvalds
|
c84d3e3130 |
Various ext4 updates for 7.3-rc1, including:
* Improve performance by allowing parallel DIO writes when we were
previously being overly conservative when checking whether it was safe
to avoid requiring an exclusive lock
* Improve the performance of ext4_mb_prefetch() used by fallocate() by
avoiding work when it is not needed
* Remove the unnecessary custom end_io function ext4_end_buffer_io_sync()
* Improve performance when performing an overwrite to an already uptodate folio
* Clean up how we handle deallocating EA inodes to avoid a potential
lock ordering issue when there is a failed mount while an EA inode is
still being evicted.
* Use str_plural() instead of a custom macro
* Avoid soft lockups or RCU stalls if there are many busy buffers
(caused by heavy I/O) while checkpointing
* Use scoped NOFS when starting a handle in nojournal mode
* Align fields in handle structure to optimize setting and getting
the h_type and h_line_no fields
* Fix documentation of the meta_bg block group layout
* Bug fixes, including
- Fix a potential out-of-bounds read in ext4_read_inline_dir()
- Fix a potential deadlock when concurrent xattr operations are racing
with each other when some of the xattrs are using the ea_inode feature.
- Fix a spurious warning with data=journal that can be triggered when
writeback races with remounting the file system read-only
- Fix a potential deadlock when EXT4_IOC_MIGRATE races with a file system
freeze operation
- Make sure all in-flight direct I/O operations are complete before
falling back to buffered I/O.
- Handle IOCB_NOWAIT properly when performing a extending DAX write
- Prevent potentially sleeping on a block allocation when
IOCB_NOWAIT is set
- Fix potential races when racing an inline data write with a page fault
- Propagate errors when adding or removing extent ranges
during a fast commit replay
- Avoid trying to expand an inode's extra size when it is being
evicted to avoid a number of corner case or deadlocks
- Avoid spurious error when retrying inode extra size expansion
- Fix corner cases where we underestimate the number of journal
credits needed
- Avoid hangs/crashes/WARNINGS caused by maliciously corrupted
file systems
- Don't issue spurious orphan clean message on RO file systems
- Avoid leaving the file system in an inconsistent state after a
crash when a WRITE_ZEROS in progress converting an unwritten
extent to a written extent
- Handle WRITE_ZEROS correctly when there are some partially dirtied
regions in the page cache
- Pass errors during zero-rage, truncate, or punch hole to the caller
if ext4_get_block() fails
- Wait for writeback to finish when triggered by zero-range or
zero-range for those devices that require stable writes
- If the reserved gid superblock field is set, set the reserved gid
instead of the reserved uid
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Merge tag 'ext4_for_linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
- Improve performance by allowing parallel DIO writes when we were
previously being overly conservative when checking whether it was
safe to avoid requiring an exclusive lock
- Improve the performance of ext4_mb_prefetch() used by fallocate() by
avoiding work when it is not needed
- Remove the unnecessary custom end_io function
ext4_end_buffer_io_sync()
- Improve performance when performing an overwrite to an already
uptodate folio
- Clean up how we handle deallocating EA inodes to avoid a potential
lock ordering issue when there is a failed mount while an EA inode is
still being evicted
- Use str_plural() instead of a custom macro
- Avoid soft lockups or RCU stalls if there are many busy buffers
(caused by heavy I/O) while checkpointing
- Use scoped NOFS when starting a handle in nojournal mode
- Align fields in handle structure to optimize setting and getting the
h_type and h_line_no fields
- Fix documentation of the meta_bg block group layout
- Bug fixes:
- Fix a potential out-of-bounds read in ext4_read_inline_dir()
- Fix a potential deadlock when concurrent xattr operations are
racing with each other when some of the xattrs are using the
ea_inode feature
- Fix a spurious warning with data=journal that can be triggered
when writeback races with remounting the file system read-only
- Fix a potential deadlock when EXT4_IOC_MIGRATE races with a file
system freeze operation
- Make sure all in-flight direct I/O operations are complete before
falling back to buffered I/O
- Handle IOCB_NOWAIT properly when performing a extending DAX write
- Prevent potentially sleeping on a block allocation when
IOCB_NOWAIT is set
- Fix potential races when racing an inline data write with a page
fault
- Propagate errors when adding or removing extent ranges during a
fast commit replay
- Avoid trying to expand an inode's extra size when it is being
evicted to avoid a number of corner case or deadlocks
- Avoid spurious error when retrying inode extra size expansion
- Fix corner cases where we underestimate the number of journal
credits needed
- Avoid hangs/crashes/WARNINGS caused by maliciously corrupted file
systems
- Don't issue spurious orphan clean message on RO file systems
- Avoid leaving the file system in an inconsistent state after a
crash when a WRITE_ZEROS in progress converting an unwritten
extent to a written extent
- Handle WRITE_ZEROS correctly when there are some partially dirtied
regions in the page cache
- Pass errors during zero-rage, truncate, or punch hole to the
caller if ext4_get_block() fails
- Wait for writeback to finish when triggered by zero-range or
zero-range for those devices that require stable writes
- If the reserved gid superblock field is set, set the reserved gid
instead of the reserved uid
* tag 'ext4_for_linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (56 commits)
ext4: fix estimate extent index blocks in ext4_ext_index_trans_blocks()
ext4: fix transaction overflow during writeback
ext4: teach ext4_meta_trans_blocks() about number of allocated extents
ext4: guard against NULL s_group_info in ext4_get_group_info
ext4: fix spurious message about orphan cleanup on RO fs
ext4: stop retrying saturated xattr cache entries
ext4: don't enable DAX on new encrypted files
ext4: protect WRITE_ZEROES written extents with orphan list
ext4: export converted block count from ext4_convert_unwritten_extents()
ext4: fix incorrect function call when initializing s_resgid
ext4: validate EA inode i_nlink in ext4_xattr_inode_iget
jbd2: align h_type and h_line_no in the handle structure on byte boundaries
ext4: enable scoped NOFS when starting a handle in nojournal mode
ext4: write back partial-zeroed edges in WRITE_ZEROES
ext4: zero out whole block for clean edges in WRITE_ZEROES
ext4: track partial-zero outcome per edge in ext4_zero_partial_blocks()
ext4: clarify return semantics of ext4_load_tail_bh()
ext4: move partial block zeroing earlier in ext4_zero_range()
ext4: check return value of ext4_get_block() in ext4_load_tail_bh()
ext4: skip tail block zeroing for inline data files
...
|
||
|
Linus Torvalds
|
50c44fea13 |
for-7.3-tag
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Merge tag 'for-7.3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This is the summer edition of btrfs changes, smaller than usual. Yet,
there are performance improvements in various areas or for specific
workloads and some notable changes like removing space cache v1 code
or mount option reduction.
User visible changes:
- free space v1 disabled by default; the v2 (free space tree) is mkfs
default since 5.15, filesystems with v1 still work but could be
slightly slower due to lack of block group caching
- mount option 'rescue=usebackuproot' requires read-only mount, it's
too risky to allow writable mount
- remove standalone mount option 'usebackuproot', deprecated in 5.9
- preserve constraints of NODATASUM and NODATACOW when chattr and
mount options may change the attributes
- remove arbitrary limitation of 4KiB for page size when allowing
block sizes smaller than page
- print messages when pinned block groups affect swap activation
Performance improvements:
- use iomap bounce buffer for direct io instead of a fall back to
buffered io; past correctness vs speed trade-offs dropped
performance to ~50% of theoretical maximum, now it's ~95%,
effectively doubled
- replace xarray with local LRU list for tracking inhibited
extent buffers, restored performance to pre-inhibition state
(relatively ~3x)
- remove unnecessary 1 jiffy delay in "non-SSD" mode with multiple
logging tasks, decrease latency, throughput increased ~5x on sample
workload
- skip hole detection during full fsync for files without holes
and lots of extents, reduce run time ~5x on sample workload
(microsecond ranges)
- reduce locking around extent readahead so it does not slow down
other tasks using an overlapping range
- enhance extent buffer allocation modes to allow NOWAIT semantics
in some cases
Notable fixes:
- write-protect folios during writeback, prevent concurrent mmap
and compress/checksumming/etc undesired interactions
- in zoned mode, handle transient overcommit full instead of going
read-only
- fix possible deadlock between defragmentation and delayed
allocation reservations
- handle remaining iputs at umount time
- fix lockdep warning between device scan locking and log mutex
- add workaround for degenerate RAID56 device count modes (2 and 3)
not supported by the parity calculation library
- restore check that subvolume is not read-only when changing ACLs
- retry reading verity data colliding with up-to-date status changes
Core:
- simplify raid56 stripe handling by using contiguous virtual
allocations
- in zoned mode, fix various metadata write issues in writeback or
unmount
- space reservation fixes
- remove unused data structure members
- more auto-freeing conversions
- error pointer values are printed using %pe format"
* tag 'for-7.3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (72 commits)
btrfs: skip hole detection during full fsync for files without holes
btrfs: add extra ASSERT()s to make sure the folio size is correct
btrfs: use GFP_NOWAIT for tree block readahead
btrfs: enable unlocked NOFAIL retry for eb allocations
btrfs: add struct btrfs_eb_prealloc
btrfs: factor init_extent_buffer from __alloc_extent_buffer
btrfs: qgroup: fix a wrong length calculation in qgroup_free_reserved_data()
btrfs: add validation for extent states
btrfs: use aligned range for locking in reflink
btrfs: use aligned range for locking in extent_fiemap()
btrfs: zoned: don't clobber the extent buffer when zeroing it out
btrfs: zoned: drop stranded dirty metadata buffers at unmount
btrfs: zoned: drop stranded dirty metadata on transaction abort
btrfs: zoned: flush active metadata block group at btree_writepages() start
btrfs: convert reflink.c to use btrfs_inode as parameters
btrfs: use simple booleans for log_commit field in struct btrfs_root
btrfs: check for exit condition after waking in wait_log_commit()
btrfs: move condition for log commit wait into wait_log_commit()
btrfs: remove log batch counter use for fsync
btrfs: stop sleeping for one jiffy in non-ssd mounts during log commit
...
|
||
|
Linus Torvalds
|
9328b3b03b |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmqFw00ACgkQnJ2qBz9k QNlJlgf/SylCykcdsaqBVJd9hTrg0L6AdMKyc/PpdvyjK7qWOrXLzQFV9p7BHrER pGixy+k/5QTlWRAQ7X7okHI9uo6cMzxP/OeLqiXszBPlinRxsELb1GH89+5jOrQh oAcDci0LxX9dyBXcnl+MFgS6FPURQRnGqCeyMc+EnqHF8LYTjy05jWw/sn8Ok6WF vTBV1gl1YLN6bA+cRDVH3BBWf9irzDvnbBTUo6CRF0H5wPxiuy/ddgaYxgd8GDD/ jKsZ/hmL90695CGmvoGC3WtMpAUJm/rLX6aqoYltwQYbKhVJpfAh58IhJGpgsRG4 l4kVxtZvjvP5jMskXm5SbCMAzB8Fzg== =vznt -----END PGP SIGNATURE----- Merge tag 'fs_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext2, udf, isofs, and quota updates from Jan Kara: - Remove deprecated quota code printing warnings about exceeded quota directly to console - Various udf & isofs hardening for handling of corrupted filesystems - Fix a possible data loss in udf when converting files from inline to out-of-line format - Simplify EIO error handling in ext2 xattr code * tag 'fs_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: Fix data loss when converting inline inodes to out of line udf: Move udf_map_block() up ext2: Simplify error handling of IO error when adding xattr isofs: Drop support of directory entries straddling blocks isofs: validate directory records consistently quota: remove CONFIG_PRINT_QUOTA_WARNING code udf: Fix i_lenExtents truncation on 32-bit kernels isofs: release zisofs block pointer buffer head udf: Fix bh leak for unallocated space entries udf: bound lengthAllocDescs from unallocated space entry UDF symlink pathComponent header OOB read isofs: fix out-of-bounds page array access on empty zisofs block udf: reject VAT indexes equal to the entry count udf: Mark LVID buffer as uptodate before marking it dirty udf: avoid recursive s_alloc_mutex deadlock when freeing AED blocks udf: validate extent partition references in udf_current_aext() |
||
|
Linus Torvalds
|
81e51378b7 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmqFwEgACgkQnJ2qBz9k QNnNvAgAxVRKKfkAkxzx1iRCFtRRXSeWMfUeT7hF5hHyGUN+ZrVomAFYBNXXqFPA fdpG9OLadQXmReqv6gtOOrV2cls92BU3KO01U7yXHEZmE/zDlEGSXNpK1elsponY nx8Ukiz911R5Be0JB/x/tUWW1bDi4HEO2eLfwY9MUuzNDuIvKAkhSO8ZP2teKChR ZFl/ctiiblLOsmL3rhQeJWzjG06fjEdD0b1ZbpQtjjc2bmIWRV0MQxXs/wvkt1Mz 0an1PAp3L478tGJAGQKD5TArTitpmxmGPmj6jw8WQXMvYOfkoyyeeboybx24JG0i QIMMVEcPzZwtLVTX4UbOnnUU5JpUqQ== =PDAd -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: "A couple of assorted fixes (mostly stuff spotted by Sashiko) for fsnotify subsystem. I'm also removing Matt as a reviewer because he was not active in fsnotify in last years and after he stopped working for Google I don't have a working contact to him" * tag 'fsnotify_for_v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: Fix stale object mask after concurrent mark updates fanotify: report full event length for FIONREAD fanotify: fix use-after-free of file range info fanotify: stop permission watchdog when timeout is zero fsnotify: Remove Matt Bobrowski as a reviewer fanotify: initialize permission event watchdog state |
||
|
Linus Torvalds
|
d141ec2825 |
NFSD 7.3 Release Notes
Jeff Layton contributed CB_NOTIFY support to NFSD's NFSv4.1
directory delegations. The server used to recall a delegation as
soon as the directory changed. NFSD now watches delegated
directories through fsnotify and reports adds, removes, renames,
and directory attribute changes, carrying the filehandle and
attributes of the affected entry, so clients can keep their
caches. Some of the NOTIFY4 flags come from RFC 8881bis.
Jeff Layton also continued the netlink work that started in v7.2.
A new server-stats-get operation reports what /proc/net/rpc/nfsd
publishes, plus NFSv4 callback counts, and SUNRPC now keeps its
per-procedure call counts per network namespace, so a container
sees its own numbers. nfsstat reads all of this over netlink, with
a procfs fallback for older kernels.
SUNRPC's service thread pool mode selection is gone. Pernode is
the right choice on any host we run today, so the auto, global,
and percpu modes have been removed. A single-node host still gets
one pool. A multi-NUMA host now gets a pool per node.
sunrpc.pool_mode accepts the old names but no longer selects
anything.
The rest is bug fixes, clean-ups, and small optimizations: an
async COPY offload rework from Jeff Layton, more use-after-free
fixes in the NFSv4 state revocation paths, percpu counter
contention removed from the reply cache and IO accounting, and a
long list of hardening fixes from Chris Mason. Sincere thanks to
all contributors, reviewers, testers, and bug reporters who
participated in the v7.3 NFSD development cycle.
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Merge tag 'nfsd-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
- CB_NOTIFY support for NFSD's NFSv4.1 directory delegations
The server used to recall a delegation as soon as the directory
changed. NFSD now watches delegated directories through fsnotify and
reports adds, removes, renames, and directory attribute changes,
carrying the filehandle and attributes of the affected entry, so
clients can keep their caches. Some of the NOTIFY4 flags come from
RFC 8881bis (Jeff Layton)
- Continued netlink work
A new server-stats-get operation reports what /proc/net/rpc/nfsd
publishes, plus NFSv4 callback counts, and SUNRPC now keeps its
per-procedure call counts per network namespace, so a container sees
its own numbers. nfsstat reads all of this over netlink, with a
procfs fallback for older kernels (Jeff Layton)
- Remove SUNRPC service thread pool mode selection
Per node is the right choice on any host we run today, so the auto,
global, and percpu modes have been removed. A single-node host still
gets one pool. A multi-NUMA host now gets a pool per node.
sunrpc.pool_mode accepts the old names but no longer selects
anything.
- Bug fixes, clean-ups, and small optimizations:
- async COPY offload rework (Jeff Layton)
- more use-after-free fixes in the NFSv4 state revocation paths
- percpu counter contention removed from the reply cache and IO
accounting
- a long list of hardening fixes (Chris Mason)
Sincere thanks to all contributors, reviewers, testers, and bug
reporters who participated in the v7.3 NFSD development cycle.
* tag 'nfsd-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (182 commits)
nfsd: export NFSv4 callback op stats via netlink
nfsd: count NFSv4 callback operations per netns
sunrpc: remove unused svc_version vs_count field
nfsd: implement server-stats-get netlink handler
sunrpc: use per-net counts in svc_seq_show()
sunrpc: add per-netns per-procedure call counts to svc_stat
NFSD: Document reply_cache_stats ABI
NFSD: Eliminate percpu counter contention in IO byte accounting
NFSD: Eliminate percpu counter contention in reply cache statistics
NFSD: Eliminate percpu counter contention in DRC memory accounting
NFSD: Fix off-by-one in DRC bucket pruning limit
NFSD: Relocate NFSv4 "supported attributes" to new header
NFSD: Relocate nfsd4_set_netaddr()
NFSD: Relocate nfsd_user_namespace()
NFSD: Move struct readdir_cd
NFSD: Move the export.h include from nfsd.h to auth.c
NFSD: Remove '#include "nfsd.h"' from fs/nfsd/cache.h
NFSD: include "netns.h"
NFSD: Explicitly include "stats.h"
NFSD: Make "stats.h" self-contained
...
|
||
|
Linus Torvalds
|
ada9ccfb81 |
Fixes:
orangefs: fix double-free of trailer_buf orangefs: skip leading spaces before parsing client debug masks Cleanup: orangefs: Remove commented out code New: orangefs: use folio_pos() and folio_size() in orangefs_page_mkwrite() -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEWLOQAZkv9m2xtUCf/Vh1C1u0YnAFAmqEfo8ACgkQ/Vh1C1u0 YnCw7g/6A8tslelLuzkjMtF91rNpSQZtluVqT84CclmxFCChFlUI/M7fLgvnntph 8EQ70clSfiKsTgqnB0P0PQrIyxgY/fVgOFFGT6SBrl2iHr9rqF7nkv1GH5Ymn/W6 WhMmYKPiES0yZyNOchOBr35v7BG5m26FJfGzBCTxmTwo5SeqBziaGcR5lBT9pIoB z89Aa+x6BI3GOG3d8bOCnmiDJqypyaVzUqBIccJaWVUkxT9svZo51hHweaM/GF9w XC8DYrkR7bOb4IV+GU2vLKFn1r4PAMq720aVRtvWWm+LOpszhVCxafu4w/kqbaWl 1T8UHoAEGVSN8I3EJSc2gbZ7ZjoY6WCSOBSlN9I7xWy4HRt1zZ+FBPp5UGvhlcyU jznhhufik6dvBdHLd78yJBcrQRYfD35aWRIlPnJs4Z72AYX3+oLL2wvyM0SNd0aF IQ35GheSdlpUsYHZHZyFaK3Iw68VcOoYtCl+7DQhrhFwHz9NvDXgSW3wJI064yBU wf/Y4xAxy13A6o8FLzOk6jBZJ3OpaqcKO9liIXiq0yZ/uLikhXv096Ags4XArJh+ oS21vd1gUqN2xCaFJcrSktjmVkCdXLHo94HKZ6A+jx82xyByeprJMmPJPP9EBt3Y cUgFSfraAh2dZ+zxVZ/my5qrPo/7hP4IXo35fyMiR41m14wsgkI= =n1xT -----END PGP SIGNATURE----- Merge tag 'for-linus-7.3-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux Pull orangefs updates from Mike Marshall: "Fixes: - fix double-free of trailer_buf - skip leading spaces before parsing client debug masks Cleanup: - Remove commented out code New: - use folio_pos() and folio_size() in orangefs_page_mkwrite()" * tag 'for-linus-7.3-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: orangefs: skip leading spaces before parsing client debug masks orangefs: Remove commented out code in find_cached_xattr orangefs: use folio_pos() and folio_size() in orangefs_page_mkwrite() orangefs: fix double-free of trailer_buf on readdir copy failure |
||
|
Linus Torvalds
|
dc83d18cdd |
Changes for 7.3-rc1
Added:
load ATTR_BITMAP run extents from $MFT extension records
initialize err in attr_wof_frame_info
reserve NUL byte when converting UTF-16 names
reject restart table growth beyond U16_MAX entries
validate dirty page table on log replay
basic support for alternative data streams
validate ef->size covers the record's name and value
Fixed:
slab-out-of-bounds write in ni_create_attr_list()
out-of-bounds read of INDEX_ROOT in reparse/objid init
boundary check in ntfs_dir_count()
info-leak in ntfs_rename()
lseek EINVAL on sparse/compressed files with 64-bit clusters
info-leak on partial LZNT decompress in ni_read_frame()
bound page_lcns[] index by the log record
memory leak in indx_find_sort()
integer overflow in MFT cluster validation
reject out-of-range evcn in mi_enum_attr()
out-of-bounds read in read_log_rec_buf()
Changed:
widen inode/record number storage to u64
cosmetic fixes and improvements
rename 'err' to 'ret' in read paths
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Merge tag 'ntfs3_for_7.3' of https://github.com/Paragon-Software-Group/linux-ntfs3
Pull ntfs3 updates from Konstantin Komarov:
"Added:
load ATTR_BITMAP run extents from $MFT extension records
initialize err in attr_wof_frame_info
reserve NUL byte when converting UTF-16 names
reject restart table growth beyond U16_MAX entries
validate dirty page table on log replay
basic support for alternative data streams
validate ef->size covers the record's name and value
Fixed:
slab-out-of-bounds write in ni_create_attr_list()
out-of-bounds read of INDEX_ROOT in reparse/objid init
boundary check in ntfs_dir_count()
info-leak in ntfs_rename()
lseek EINVAL on sparse/compressed files with 64-bit clusters
info-leak on partial LZNT decompress in ni_read_frame()
bound page_lcns[] index by the log record
memory leak in indx_find_sort()
integer overflow in MFT cluster validation
reject out-of-range evcn in mi_enum_attr()
out-of-bounds read in read_log_rec_buf()
Changed;
widen inode/record number storage to u64
cosmetic fixes and improvements
rename 'err' to 'ret' in read paths"
* tag 'ntfs3_for_7.3' of https://github.com/Paragon-Software-Group/linux-ntfs3: (21 commits)
fs/ntfs3: validate ef->size covers the record's name and value
fs/ntfs3: fix out-of-bounds read in read_log_rec_buf()
fs/ntfs3: reject out-of-range evcn in mi_enum_attr()
fs/ntfs3: fix integer overflow in MFT cluster validation
fs/ntfs3: Add basic support for alternative data streams
fs/ntfs3: Rename 'err' to 'ret' in read paths
fs/ntfs3: Fix memory leak in indx_find_sort()
fs/ntfs3: bound page_lcns[] index by the log record
fs/ntfs3: validate dirty page table on log replay
fs/ntfs3: reject restart table growth beyond U16_MAX entries
fs/ntfs3: fix info-leak on partial LZNT decompress in ni_read_frame()
fs/ntfs3: reserve NUL byte when converting UTF-16 names
ntfs3: initialize err in attr_wof_frame_info
fs/ntfs3: fix lseek EINVAL on sparse/compressed files with 64-bit clusters
fs/ntfs3: load ATTR_BITMAP run extents from $MFT extension records
ntfs3: fix info-leak in ntfs_rename()
ntfs3: fix boundary check in ntfs_dir_count()
fs/ntfs3: fix out-of-bounds read of INDEX_ROOT in reparse/objid init
fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()
fs/ntfs3: cosmetic fixes and improvements
...
|
||
|
Linus Torvalds
|
8f421dfec2 |
Changes since last update:
- Allow source fds via fsconfig(), in addition to source paths - Use dedicated metadata inodes for file-backed mounts - Disallow invalid interlaced ztailpacking pclusters - Validate on-disk compression algorithm IDs against supported ones - Fix unused pcluster pools on higher page-size platforms -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEQ0A6bDUS9Y+83NPFUXZn5Zlu5qoFAmqD0icRHHhpYW5nQGtl cm5lbC5vcmcACgkQUXZn5Zlu5qryQA/+L588+cfcFeLOEdugWWAwxIMcC6UZQza3 /XQD+jzlBbK/d1TQs3H9rdIibo9+5WVOG9cME4oS195Q+Di29/BmEfqYCvjwXZDr mUrl68TdsPw7fI2vCpLRduCJPXpURqJYBX77G2NfWcfFNNjZykNBOe9OAHgbBqwI 7+UmhxvRB2TvZidZ2OhCXC02dcSBcHifscniLbC9XFdhKKRgEC5Zk8jrJ+YoSIfF R7aa8zrAe1I7AI09aRPKTwjiDCueBvqE72tKodXtYr+Ay0TPWEzVZpFMPW3fjGzb TDAWPfA5oK7U7L+euGaILFXOrBnfyfc+iH1P4t6jsbFVZTemvVKv/mO/Rk3vUj+l riwDH/ZPrQguPjpMuQrXCEtFd+zEfhSpXVMYNU1MBgiPnB/Puts6C89UYtyueYf8 9nNSrKsdeZnxiimx/VnYvBNz+8l7tonvcykDLZkM7tJ6PhjyO64GzivRwN0QqctU JygsXTEBbVPHf6degKpxbx2J2FyH+Nr3tBcq/eIQqI2wENwr+qUyfQ4zmlPpQCoS fAIHqdmo2TMZYNcLT5sG1+xScETiTPvSWXsBr4iPpqWCA/QiY7rhbkTN+A0DNMcw utw9LydnlV6ERt0s56e+jmyNdgf5idkxDN/7uzvregIVCxlVCZpluNny3MBgpTPN RqhyM+v00Jk= =jqEn -----END PGP SIGNATURE----- Merge tag 'erofs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "The most notable enhancement is to allow passing source fds via fsconfig() for composefs. The others are all various fixes: - Allow source fds via fsconfig(), in addition to source paths - Use dedicated metadata inodes for file-backed mounts - Disallow invalid interlaced ztailpacking pclusters - Validate on-disk compression algorithm IDs against supported ones - Fix unused pcluster pools on higher page-size platforms" * tag 'erofs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: fix unused pcluster_pools for higher page sizes erofs: guard on-disk algorithm IDs against Z_EROFS_COMPRESSION_MAX erofs: fix interlaced ztailpacking pclusters erofs: use dedicated meta inodes for file-backed mounts erofs: accept source file descriptor via fsconfig erofs: fix typo in error messages |
||
|
Linus Torvalds
|
62abb6cffd |
NVDIMM and DAX for v7.3
Documentation cleanup: nvdimm-btt: clean up kernel-doc warnings libnvdimm: nd.h: clean up kernel-doc warnings DAX prepare for FAMFS: dax: fsdev.c minor formatting cleanup dax: fix holder_ops race in fs_put_dax() dax: read holder_ops once in dax_holder_notify_failure() dax/fsdev: fail probe on invalid pgmap offset dax/fsdev: use __va(phys) for kaddr in direct_access dax/fsdev: clear pgmap ops and owner on unbind dax/fsdev: don't leave a dangling dev_dax->pgmap on probe failure dax/fsdev: clear vmemmap_shift when binding static pgmap dax/fsdev: fix multi-range offset in memory_failure handler dax: fix misleading comment about share/index union in dax_folio_reset_order() NVDIMM misc fixups: nvdimm/btt: reject an arena whose nfree is below the lane count libnvdimm/labels: Bound the on-media label size before the shift libnvdimm/labels: Prevent integer overflow in __nd_label_validate() Coccinelle reported cleanups: nvdimm: ndtest: remove redundant NULL check before vfree() nvdimm: nfit: remove redundant NULL check before vfree() -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR/ATNjDEocsE1wudD5tRoRP7nxxwUCaoOJMQAKCRD5tRoRP7nx x6FQAQCmAfXFZK5eE+nujrFanI5d2iiKcTefwR/LYu0HOVG82AEA/c39OZz4jhSj bx49jE45o7qTaZHzY8ADSBVl8GHSOQA= =0lJA -----END PGP SIGNATURE----- Merge tag 'libnvdimm-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull NVDIMM and DAX updates from Alison Schofield: "Most are DAX preparatory patches for FAMFS support, along with a few NVDIMM fixes and documentation cleanups. - Documentation cleanup, removing kernel-doc warnings - preparing DAX for FAMFS - misc NVDIMM fixups with cleanups for issues reported by Coccinelle" * tag 'libnvdimm-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: nvdimm-btt: clean up kernel-doc warnings libnvdimm: nd.h: clean up kernel-doc warnings dax: fsdev.c minor formatting cleanup dax: fix holder_ops race in fs_put_dax() dax: read holder_ops once in dax_holder_notify_failure() dax/fsdev: fail probe on invalid pgmap offset dax/fsdev: use __va(phys) for kaddr in direct_access dax/fsdev: clear pgmap ops and owner on unbind dax/fsdev: don't leave a dangling dev_dax->pgmap on probe failure dax/fsdev: clear vmemmap_shift when binding static pgmap dax/fsdev: fix multi-range offset in memory_failure handler dax: fix misleading comment about share/index union in dax_folio_reset_order() nvdimm/btt: reject an arena whose nfree is below the lane count libnvdimm/labels: Bound the on-media label size before the shift libnvdimm/labels: Prevent integer overflow in __nd_label_validate() nvdimm: ndtest: remove redundant NULL check before vfree() nvdimm: nfit: remove redundant NULL check before vfree() |
||
|
Linus Torvalds
|
cf62c7084a |
execve update for v7.3-rc1
- x86/elf: Correct comment for STACK_RND_MASK() (Lorenzo Stoakes) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCaoO91gAKCRA2KwveOeQk u/OkAQDes/wLtw008oU58/Tty17XXmurNLQME4vp1u/UEVzc8gEAy70C+9xCYUSs JLGY89Dr2O+GSGABd2MsLwS9xxO87AQ= =rp7J -----END PGP SIGNATURE----- Merge tag 'execve-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull execve update from Kees Cook: - x86/elf: Correct comment for STACK_RND_MASK() (Lorenzo Stoakes) * tag 'execve-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: x86/elf: Correct comment for STACK_RND_MASK() |
||
|
Linus Torvalds
|
ae814200e8 |
bitmap updates for v7.3
- bitmap_find_next_zero_area_off() optimization (Sunyi);
- bitmap_find_next_zero_area_off(): return size when no zero area is
found (Yury);
- bitmap vs IDA vs Maple Tree performance test (Yury);
- get rid of cpumap_print_to_pagebuf() (Yury);
- use nr_node_ids in __nodemask_pr_numnodes() (Li RongQing);
- bitops: make the *_bit_le functions use unsigned long (Benjamin);
- bitmap scatter & gather test fix (Christophe);
- use __ASSEMBLER__ in bitmap header files (Thomas);
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Merge tag 'bitmap-for-7.3' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
"The usual set of fixes, cleanups and performance improvements together
with a couple of new tests:
- bitmap_find_next_zero_area_off() optimization (Sunyi)
- bitmap_find_next_zero_area_off(): return size when no zero area is
found (Yury)
- bitmap vs IDA vs Maple Tree performance test (Yury)
- get rid of cpumap_print_to_pagebuf() (Yury)
- use nr_node_ids in __nodemask_pr_numnodes() (Li RongQing)
- bitops: make the *_bit_le functions use unsigned long (Benjamin)
- bitmap scatter & gather test fix (Christophe)
- use __ASSEMBLER__ in bitmap header files (Thomas)"
* tag 'bitmap-for-7.3' of https://github.com/norov/linux: (25 commits)
lib: test bitmap vs IDA vs Maple Tree performance for region allocations
bitmap: Return size when no zero area is found
media: s5p-mfc: Treat bitmap size as allocation failure
crypto: ccp: Treat bitmap size as allocation failure
powerpc/msi: Treat bitmap size as allocation failure
ARM: dma-mapping: Treat bitmap size as allocation failure
bitmap: drop bitmap_next_set_region()
nodemask: reduce bitmap width to nr_node_ids in __nodemask_pr_numnodes()
bitmap: Properly initialise destination bitmap for scatter & gather test
lib/bitmap-str: get rid of cpumap_print_to_pagebuf()
perf: Use sysfs_emit() for cpumask show callbacks
PCI/sysfs: Use sysfs_emit() for cpumask show callbacks
RDMA/hfi1: Use sysfs_emit() for cpumask show helper
hwtracing: hisi_ptt: Use sysfs_emit() for cpumask show
fpga: dfl-fme-perf: Use sysfs_emit() for cpumask show
devfreq: Use sysfs_emit() for cpumask show callbacks
cpu: Use sysfs_emit() for cpumask show callback
x86/events: Use sysfs_emit() for cpumask show callbacks
powerpc: Use sysfs_emit() for cpumask show callbacks
arm: Use sysfs_emit() for cpumask show callbacks
...
|
||
|
Linus Torvalds
|
216b3f432a |
Kernel Concurrency Sanitizer (KCSAN) updates for v7.3
- Avoid unintended access checking in NMIs This change has had 3 weeks of linux-next exposure. -----BEGIN PGP SIGNATURE----- iIcEABYKAC8WIQR7t4b/75lzOR3l5rcxsLN3bbyLnwUCaoME4REcZWx2ZXJAZ29v Z2xlLmNvbQAKCRAxsLN3bbyLn2JYAQCHcMcgr9iqJGoqom0CdsnobYB5sa1l4mqm Tlok6vVVuQD6Aq8Vl7eOLrbq4XJkwSUMy4suyzv4ueNsOmcL7Qo2zAw= =nXoE -----END PGP SIGNATURE----- Merge tag 'kcsan-20260817-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux Pull Kernel Concurrency Sanitizer (KCSAN) update from Marco Elver: - Avoid unintended access checking in NMIs * tag 'kcsan-20260817-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux: kcsan: avoid unintended access checking in NMIs |
||
|
Linus Torvalds
|
11260c335e |
sched_ext: Changes for v7.3
This depends on the arena argument support in the BPF tree and should be
pulled after the scheduler core and BPF pulls. The patches based on bpf-next
were kept on a separate branch which was merged into for-7.3 just now. The
same merged result was in linux-next for several days.
Most of this cycle completes the enqueue-path support for hierarchical
sub-scheduling, which makes sub-scheduler support feature complete: a root
BPF scheduler can now hand a cgroup subtree over to a nested sub-scheduler
together with revocable CPU grants, and the sub-scheduler owns all
scheduling decisions for its tasks on those CPUs.
Development volume was high and a number of changes plugging holes in the
new support landed late in the cycle. Also included are core scheduling
fixes that were completed too late for the v7.2 release and are routed
through this pull request.
- Sub-scheduler CPU delegation:
- Parent schedulers now grant and revoke per-CPU capabilities (enqueueing,
preemption, CPU frequency control) on their children, enforced on every
path a scheduler can reach a CPU through. Previously only dispatching
could be delegated; this lets sub-schedulers fully schedule their CPUs.
- Rescue execution: a task whose scheduler doesn't have access to the CPUs
the task needs to run on starved until the watchdog ejected the whole
scheduler. The kernel now runs such tasks directly on a small bandwidth
budget, turning a scheduler-killing failure into bounded degradation.
- Cgroup integration: tasks migrating across a sub-scheduler boundary
weren't re-homed to the new owner, causing wrong-scheduler scheduling
and a use-after-free. Sub-schedulers now take over their cgroup subtree
and receive its cgroup callbacks.
- Arena objects now cross the kernel/BPF boundary as typed pointer
arguments, translated transparently by the BPF tree's new arena argument
support, replacing untyped arguments with manual translation.
- scx_qmap now demonstrates full hierarchical sub-scheduling.
- Robustness improvements: the abort path is now NMI-safe, fixing deadlocks
when errors are raised from NMI context and making hardlockup recovery
direct. Reenqueue loops that could monopolize a CPU ahead of the watchdog
now eject the offending scheduler, and stalls are blamed on the scheduler
actually responsible.
- Hardening: BPF-writable arena memory is validated before kernel use, and
task slice and vtime writes got explicit synchronization rules, closing
corruption vectors open to buggy or malicious schedulers.
- Core scheduling: sched_ext dispatching can drop the rq lock inside the
core-wide pick, which let interleaving selections corrupt each other's
state and hard-hang the machine. The selection now restarts when the lock
was released. The task ordering callback was also invoked with its
arguments swapped, and the default ordering is updated to work across
sub-scheduler boundaries. The fixes are marked for stable.
- Other fixes headed for stable: a task init leak on fork failure during
enable, tooling compat macros that silently failed to detect newer
kernels, and a crash on reenqueueing against a destroyed dispatch queue.
- Tooling: scx_pair moves off deprecated callbacks, and the deprecated
scx_bpf_cpu_rq() kfunc is removed.
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Merge tag 'sched_ext-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext updates from Tejun Heo:
"Most of this cycle completes the enqueue-path support for hierarchical
sub-scheduling, which makes sub-scheduler support feature complete: a
root BPF scheduler can now hand a cgroup subtree over to a nested
sub-scheduler together with revocable CPU grants, and the
sub-scheduler owns all scheduling decisions for its tasks on those
CPUs.
Development volume was high and a number of changes plugging holes in
the new support landed late in the cycle. Also included are core
scheduling fixes that were completed too late for the v7.2 release and
are routed through this pull request.
Sub-scheduler CPU delegation:
- Parent schedulers now grant and revoke per-CPU capabilities
(enqueueing, preemption, CPU frequency control) on their children,
enforced on every path a scheduler can reach a CPU through.
Previously only dispatching could be delegated; this lets
sub-schedulers fully schedule their CPUs.
- Rescue execution: a task whose scheduler doesn't have access to the
CPUs the task needs to run on starved until the watchdog ejected
the whole scheduler. The kernel now runs such tasks directly on a
small bandwidth budget, turning a scheduler-killing failure into
bounded degradation.
- Cgroup integration: tasks migrating across a sub-scheduler boundary
weren't re-homed to the new owner, causing wrong-scheduler
scheduling and a use-after-free. Sub-schedulers now take over their
cgroup subtree and receive its cgroup callbacks.
- Arena objects now cross the kernel/BPF boundary as typed pointer
arguments, translated transparently by the BPF tree's new arena
argument support, replacing untyped arguments with manual
translation.
- scx_qmap now demonstrates full hierarchical sub-scheduling.
Other fixes and updates:
- Robustness improvements: the abort path is now NMI-safe, fixing
deadlocks when errors are raised from NMI context and making
hardlockup recovery direct. Reenqueue loops that could monopolize a
CPU ahead of the watchdog now eject the offending scheduler, and
stalls are blamed on the scheduler actually responsible.
- Hardening: BPF-writable arena memory is validated before kernel
use, and task slice and vtime writes got explicit synchronization
rules, closing corruption vectors open to buggy or malicious
schedulers.
- Core scheduling: sched_ext dispatching can drop the rq lock inside
the core-wide pick, which let interleaving selections corrupt each
other's state and hard-hang the machine. The selection now restarts
when the lock was released. The task ordering callback was also
invoked with its arguments swapped, and the default ordering is
updated to work across sub-scheduler boundaries. The fixes are
marked for stable.
- Other fixes headed for stable: a task init leak on fork failure
during enable, tooling compat macros that silently failed to detect
newer kernels, and a crash on reenqueueing against a destroyed
dispatch queue.
- Tooling: scx_pair moves off deprecated callbacks, and the
deprecated scx_bpf_cpu_rq() kfunc is removed"
* tag 'sched_ext-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (144 commits)
sched_ext: Drop the dead SCX_DEQ_CORE_SCHED_EXEC test in dequeue_task_scx()
sched_ext: Make core-sched task ordering hierarchy-aware
sched_ext: Use runnable_at for the default core-sched task ordering
sched_ext: Fix inverted ops.core_sched_before() invocation
sched_ext: Move the config-off sub-cap kfunc stubs into sub.c
sched_ext: Rename balance-era identifiers to dispatch terms
sched_ext: Drop the stale keep_prev fixup in dispatch_pick()
sched_ext: Keep kick_sync waiting on the rq's own CPU
sched_ext: Make SCHED_CLASS_EXT select GENERIC_ALLOCATOR
sched_ext/scx_flatcg: Fix cvtime true-up on slice expiry
sched_ext: Don't BUG_ON a destroyed DSQ in process_deferred_reenq_users
sched_ext: Fix scx_bpf_dsq_move_to_local___v2 compat detection
sched_ext: Make scx_bpf_events() read the calling scheduler's counters
sched_ext: Drop unlocked scx_rq_clock_invalidate() from scx_root_disable()
selftests/sched_ext: Fix flaky ddsp failure tests on busy systems
selftests/sched_ext: Make numa idle validation race-free
sched_ext: Fix scx_bpf_dsq_reenq___compat kfunc extern prototype
sched_ext/scx_flatcg: expire cached hweights on weight changes
sched_ext: Fix exit_task leak on fork failure during enable
sched_ext: fix stale references in doc comments
...
|
||
|
Linus Torvalds
|
40d8c81577 |
cgroup: Changes for v7.3
- cpuset:
- Attach path bug fixes: migrations spanning multiple source or
destination cpusets were mishandled, most visibly leaving thread
affinities stale when the controller is disabled in a threaded subtree.
Configuration writes could also race an in-flight attach and apply stale
state, and the deadline task count could get corrupted by concurrent
updates, skewing SCHED_DEADLINE admission decisions.
- Memory binding bug fixes: which node masks get applied differed between
the binding update paths, and tasks cloned with CLONE_INTO_CGROUP
skipped rebinding entirely. Rebinding also now runs once per process
instead of repeating for every thread sharing the mm.
- Overhead removals with no behavior change: CPU hotplug iterated tasks of
cpusets that just inherit the parent's effective masks, and the
slab-spreading task flag was still being maintained although the SLAB
allocator that consumed it is long gone.
- Data-race annotations for benign races so that KCSAN reports stay
meaningful, selftest coverage for the fixes above along with flakiness and
portability fixes, and documentation corrections.
-----BEGIN PGP SIGNATURE-----
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Merge tag 'cgroup-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Attach path bug fixes: migrations spanning multiple source or
destination cpusets were mishandled, most visibly leaving thread
affinities stale when the controller is disabled in a threaded
subtree. Configuration writes could also race an in-flight attach and
apply stale state, and the deadline task count could get corrupted by
concurrent updates, skewing SCHED_DEADLINE admission decisions.
- Memory binding bug fixes: which node masks get applied differed
between the binding update paths, and tasks cloned with
CLONE_INTO_CGROUP skipped rebinding entirely. Rebinding also now runs
once per process instead of repeating for every thread sharing the
mm.
- Overhead removals with no behavior change: CPU hotplug iterated tasks
of cpusets that just inherit the parent's effective masks, and the
slab-spreading task flag was still being maintained although the SLAB
allocator that consumed it is long gone.
- Data-race annotations for benign races so that KCSAN reports stay
meaningful, selftest coverage for the fixes above along with
flakiness and portability fixes, and documentation corrections.
* tag 'cgroup-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (34 commits)
selftests/cgroup: Remove redundant chown in test_cgcore_lesser_ns_open
selftests/cgroup: Preserve CPU hotplug write errors
cgroup/cpuset: Add test for partition root invalidation returning wrong CPUs
cgroup/cpuset: Remove obsolete PFA_SPREAD_SLAB task flag
docs: cgroup-v2: fix stale "io" controller introduction
selftests/cgroup: Avoid awk -e in cpuset tests
cgroup/cpuset: Use WRITE_ONCE() for shared prs_err updates
selftests/cgroup: add user_usec sanity check in test_cpucg_nice
cgroup: drop unneeded semicolon
docs: cgroup-v2: mark memory.pressure and io.pressure as read-write
selftests/cgroup: Fix minor defects in test_cpuset
Docs/admin-guide/cgroup-v2: fix delay_nsec unit in io.latency doc
selftests/cgroup: Remove redundant cg_enter_current() call in test_core
selftests/cgroup: Add test for cpuset affinity on controller disable
cgroup/cpuset: Handle the special case of non-moving tasks in cpuset_can_attach()
cgroup/cpuset: Support multiple destination cpusets for cpuset_*attach()
selftests/cgroup: fix missing TAP output in test_hugetlb_memcg
cgroup/cpuset: Support multiple source cpusets for cpuset_*attach()
cgroup/cpuset: Move mpol_rebind_mm/cpuset_migrate_mm() calls inside cpuset_attach_task()
cgroup/cpuset: Make attach_ctx.old_cs track task group leader
...
|
||
|
Linus Torvalds
|
39e34e88ec |
workqueue: Changes for v7.3
- Worker wakeups moved out of pool->lock on the hot paths, shortening lock hold times. The wakeup can be expensive on arm64 due to the idle wakeup IPI, and the change improves the workqueue microbenchmark there by up to 10%. - Stall diagnostics now report pools stuck with no running worker, with a backtrace of what the CPU is executing and the likely culprit worker, instead of dumping every in-flight worker. - Preparation for turning per-cpu workqueues into an affinity scope of unbound workqueues instead of a separate backend. - Race annotations for KCSAN and sparse warnings, and doc and monitoring script fixes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCaoNxSg4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGWDfAP4tp2XFrNOOai4aCcWivKV99Arb0YFdjozM4vjX rx3HCwEAiwfLTduv+ZeLHYTIm3V3Nxrf246fitSEYUknb+Cx8QE= =XrZO -----END PGP SIGNATURE----- Merge tag 'wq-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue updates from Tejun Heo: - Worker wakeups moved out of pool->lock on the hot paths, shortening lock hold times. The wakeup can be expensive on arm64 due to the idle wakeup IPI, and the change improves the workqueue microbenchmark there by up to 10% - Stall diagnostics now report pools stuck with no running worker, with a backtrace of what the CPU is executing and the likely culprit worker, instead of dumping every in-flight worker - Preparation for turning per-cpu workqueues into an affinity scope of unbound workqueues instead of a separate backend - Race annotations for KCSAN and sparse warnings, and doc and monitoring script fixes * tag 'wq-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (23 commits) workqueue: annotate racy p->wake_cpu accesses in kick_pool_pick() workqueue: BUG_ON() instead of returning NULL in wq_node_nr_active() workqueue: use RCU accessors when populating wq->cpu_pwq workqueue: use rcu_dereference_sched() in workqueue_congested() workqueue: skip the node_nr_active update for non-unbound workqueues workqueue: rename alloc_unbound_pwq() to alloc_pwq() workqueue: allocate attrs for all workqueues workqueue: rename wq->unbound_attrs to wq->attrs workqueue: test WQ_UNBOUND explicitly in the hotplug loops workqueue: account nr_active by the backing pool workqueue: release pwq pools by pool type workqueue: factor out alloc_and_link_percpu_pwqs() workqueue: factor out get_percpu_pool() docs: workqueue: Fix bracket workqueue: annotate racy sum_exec_runtime reads for CPU-intensive detection workqueue: annotate racy PWQ_STAT_CPU_TIME update in wq_worker_tick() workqueue: dump the last woken worker for stalled pools workqueue: trigger a single-CPU backtrace for stalled pools workqueue: only show running workers in stall diagnostics workqueue: defer the worker wakeup outside pool->lock in process_one_work() ... |
||
|
Linus Torvalds
|
72fdff1416 |
It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag.
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese translations.
...and lots of typo fixes, grammar tweaks, etc.
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Merge tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"It has been a not-too-busy cycle for docs; here's the highlights:
- A (hopefully) consensus change to our LLM-attribution requirements,
removing the specific model name from the Assisted-by tag
- A couple of new realtime documents
- Various docs-build-system fixes
- Ongoing work with the Chinese, Portuguese, and Japanese
translations
...and lots of typo fixes, grammar tweaks, etc"
* tag 'docs-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (85 commits)
Doc: admin-guide: pm: Remove unnecessary backticks and fix a spell
Documentation: Extend the real-time hardware bits with some firmware bits
docs: pt_BR: Reorganize process/index.rst to follow english structure
docs: conf.py: fix the 'utf-8' typo
doc tools: fix 'path' typos
Documentation: real-time: Add kernel configuration guide
docs: python: abi_regex: convert adjacent index placeholders
docs: python: abi_regex: catch the right exception for a bad regex
docs: sphinx-build-wrapper: include localversion in kernel version string
Documentation: html: adjust sidebar section titles styling
Documentation: html: show sections in the sidebar
checkpatch.pl: adapt to new Assisted-by: format
MAINTAINERS: update Traditional Chinese documentation maintainers
docs: pt_BR: process: Translate CVE documentation
docs: pt_BR: translate the management-style.rst to Brazilian Portuguese
docs: xforms_lists: support DEFINE_IDTENTRY_IRQ()
coding-assistants: simplify attribution
docs: translations: pt_BR: translate email-clients.rst
docs: pt_BR: process: Translate the security-bugs.rst
doc:it_IT: align doc-guide translation
...
|
||
|
Linus Torvalds
|
9d2ed026f0 |
Summary
* Documentation
Fix kernel-doc warnings by adjusting in file documentation.
* Consolidate do_proc_* function into do_proc_vec.
Consolidate three slightly different implementations of applying a converter
on all elements of a vector. Fixes to this function now propagate to the three
types.
* Miscellaneous
Replaced CONFIG_PROC_SYSCTL with CONFIG_SYSCTL (they were the same) and
restrict cad_pid modifications to global root (GLOBAL_ROOT_UID)
* Testing
This series was run through sysctl selftests/kunit test suite in x86_64. And
went into linux-next around rc2, giving it a bit more than a month of testing.
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Merge tag 'sysctl-7.03-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Fix kernel-doc warnings by adjusting in file documentation
- Consolidate do_proc_* function into do_proc_vec
Consolidate three slightly different implementations of applying a
converter on all elements of a vector. Fixes to this function now
propagate to the three types.
- Replace CONFIG_PROC_SYSCTL with CONFIG_SYSCTL (they were the same)
and restrict cad_pid modifications to global root (GLOBAL_ROOT_UID)
* tag 'sysctl-7.03-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
sysctl: remove CONFIG_PROC_SYSCTL, it just mirrors CONFIG_SYSCTL
sysctl: move the "cad_pid" entry from pid_table[] to kern_reboot_table[]
sysctl: repair some kernel-doc comments
sysctl: add Returns: kernel-doc for all functions
sysctl: Update API function documentation
sysctl: Rename proc_doulongvec_minmax_conv to proc_doulongvec_conv
sysctl: Group proc_handler declarations and document
sysctl: Replace do_proc_do{int,ulong,uint}vec with do_proc_vec
sysctl: Add negp parameter to douintvec converter functions
sysctl: Move default converter assignment out of do_proc_dointvec
|
||
|
Linus Torvalds
|
91ec203513 |
Networking changes for 7.3.
Core & protocols
----------------
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers
(e.g. veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve).
- Support buffers larger than PAGE_SIZE in devmem zero-copy API.
- Improve MPTCP handling of extreme memory pressure handling,
when out-of-order queue had to be pruned.
- Report the per-group user count via RTM_GETMULTICAST.
- Expose the route deletion reason in RTM_DELROUTE.
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more useful
handling of LSM denials when receiving SCM_RIGHTS messages: instead
of truncating the message at the first blocked fd, keep every fd slot
and store the LSM errno in the blocked slot.
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table.
- Support PRP RedBox (interlink) creation.
- Support per-nexthop UDP dst port in VXLAN.
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter.
Ethernet
--------
- Marge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree).
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers.
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces of
the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless
--------
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support
for ath12k (shared branch with the firmware/qcom tree).
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth
---------
- HCI: add support for Shorter Connection Interval (SCI) feature.
- af_bluetooth: add minimal context analysis annotations.
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc
----
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x).
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283).
- Power-over-Ethernet: support Realtek PSE controllers.
- Remove the IBM EHEA driver.
- Remove tulip/xircom_cb driver.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"One of the 'small improvements all over the place' releases for us.
It's hard to draw any direct comparisons because summer vacations
disrupted our patch processing (and presumably - generation) quite a
bit.
Quick and dirty count suggests we (Paolo and I) merged a very similar
number of net (632) and net-next (648) patches. This is not telling
the full story either because 1/3 to 1/2 of the net-next patches also
*seem* like AI-driven low priority fixes, cleanups and clarifications.
We are completely overwhelmed, of course. The glimmer of hope is that
we secured sufficient LLM budget and access (thank you Meta!) to run
reviews with multiple frontier models on each patch. This eliminates
some hallucinations. That said, in terms of review, the LLMs can only
do so much.
The sad truth is that our APIs (especially for rare events like PCIe
errors, timeouts etc) have always been racy, and now LLMs don't let us
ignore that. I expect our direction for the next release will be to
tweak the reviews a little bit more, but start shifting focus to
letting the LLMs take care of the busy work - managing patchwork,
automating common process complaints, editing commit messages, and
maybe applying patches which already got "reviewed-by" tags from
people we trust...
Core & protocols:
- A few steps lowering rtnl_lock dependence:
- per-netns netdev unregistration for select SW drivers (e.g.
veth, ipvlan, tunnels)
- rtnl_lock-less FIB rule changes (RTM_NEWRULE and RTM_DELRULE)
- prepare software drivers and TC qdiscs for rtnl_lock-less GET
- Support BIG TCP (>64kB TSO) in UDP tunnels (vxlan, geneve)
- Support buffers larger than PAGE_SIZE in devmem zero-copy API
- Improve MPTCP handling of extreme memory pressure handling, when
out-of-order queue had to be pruned
- Report the per-group user count via RTM_GETMULTICAST
- Expose the route deletion reason in RTM_DELROUTE
- Add a SO_RIGHTS_NOTRUNC option to UNIX sockets to enable more
useful handling of LSM denials when receiving SCM_RIGHTS messages:
instead of truncating the message at the first blocked fd, keep
every fd slot and store the LSM errno in the blocked slot
- IPv6 Segment Routing - support looking up the post-encap SID
(address) in a different/specified routing table
- Support PRP RedBox (interlink) creation
- Support per-nexthop UDP dst port in VXLAN
- Continue converting getsockopt callbacks in a number of protocols
to iov_iter
Ethernet:
- Merge initial CXL support for AMD/Solarflare NICs (shared branch
with the CXL tree)
- New drivers:
- ADIN1140 10BASE-T1S MACPHY
- Initial skeleton of Intel iXD and ZTE Dinghai drivers
- High-speed NICs:
- AMD/Pensando:
- support firmware flashing
- Cisco (enic):
- SR-IOV V2 admin channel and MBOX protocol
- Huawei (hns3):
- support for ethtool pfc_prevention_tout
- nVidia/Mellanox:
- support sharing bandwidth control across interfaces
of the same device
- Marvell (octeontx2-pf):
- link RQ page pools to netdev for Netlink stats
- Google vNIC:
- XDP metadata support for DQ RDA
- Microsoft vNIC:
- support forcing full-page RX buffers
- Other NICs:
- Synopsys IP:
- eic7700: support for eth1
- Microchip (lan743x):
- support for RMII interface
- Wangxun:
- support for ethtool -G and -C for VFs
- add Tx timeout and PCIe error handling
- Intel (igb/igc):
- RSS key get/set support
- support for forcing link speed without auto-negotiation
- Switches:
- NXP (dpaa2):
- support bonding/LAG offload
- Mediatek:
- mt7530: EN7528 support
- initial support for MT7628
- Micrel (ksz8/9):
- refactoring work to move towards library model
- PTP support for KSZ8463
- nVidia/Mellanox:
- support rtnl-lock-less ethtool callbacks
- Realtek:
- rtl8366rb: use generic RTL83xx code
- support SGMII and HSGMII for RTL8367S
- PHYs:
- Airoha:
- EcoNet EN7528 PHY support
- DAPU Telecom
- DAPU Telecom DAP8211R(I) Gigabit PHY support
- Realtek:
- support RTL8261C_CG
- support RTL8261D
Wireless:
- nl80211: per-link statistics support for multi-link operation
- mac80211: AQL/airtime-fairness support for multicast
- Merge Peripheral Authentication Service (PAS) / TEE support for
ath12k (shared branch with the firmware/qcom tree)
- New drivers:
- mm81x for Morse Micro Long-Range S1G devices
- nxpwifi for NXP devices (mostly forked off from mwifiex)
- Driver changes:
- Broadcom (brcmfmac):
- DPP support, some Cypress part update
- MediaTek (mt76):
- mt7928 support
- mt7925 NAN support
- mt7996 AP powersave improvements
- Qualcomm (ath12k):
- much kernel infrastructure integration work
- AHB platform MultiPD support
- Realtek (rt89):
- LED support
- RTL8922DE support
- dual-BT coex for RTL8922D
- Intel:
- new FW version support
Bluetooth:
- HCI: add support for Shorter Connection Interval (SCI) feature
- af_bluetooth: add minimal context analysis annotations
- Driver changes:
- Intel:
- add Bluetooth SAR revision 2 support
- add vendor_reset PCI sysfs for PLDR
- Mediatek:
- add USB IDs for MT7902 and MT7922 devices
- Realtek:
- add USB IDs for 8761CU and 8852BE devices
- NXP:
- add M.2 Bluetooth device support using pwrseq
Misc:
- DPLL support for manual/numerical oscillator control (NCO)
(implement in zl3073x)
- MCTP support for MCTP over USB v1.1 (DMTF DSP0283)
- Power-over-Ethernet: support Realtek PSE controllers
- Remove the IBM EHEA driver
- Remove tulip/xircom_cb driver"
* tag 'net-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1433 commits)
net/mlx5e: do not HW-GRO coalesce small frames
net: openvswitch: fix nf_connlabels leak in ovs_ct_init
net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()
net: openvswitch: fix flow mask use-after-free on flow deletion
sctp: stop processing a packet once its association is deleted
dpll: zl3073x: add PTP clock support
dpll: zl3073x: add channel ToD, phase step and TIE operations
dpll: zl3073x: scale poll interval proportionally to timeout
ptp: vmclock: prevent read-only mappings from becoming writable
ipv4: reject undersized MTUs in ip_do_fragment()
bonding: initialize err for empty target lists
net: dsa: initial support for MT7628 embedded switch
net: dsa: initial MT7628 tagging driver
net: phy: mediatek: add phy driver for MT7628 built-in Fast Ethernet PHYs
dt-bindings: net: dsa: add MT7628 ESW
net: pse-pd: realtek-pse-mcu: add UART transport
net: pse-pd: realtek-pse-mcu: add I2C transport
net: pse-pd: add Realtek PSE MCU core
dt-bindings: net: pse-pd: add bindings for Realtek PSE MCU
vsock: use sock_error() to consume sk_err after a failed connect
...
|
||
|
Linus Torvalds
|
5a8cd539ac |
Major changes:
- Redesign the verifier error reporting: failures now carry source and
instruction annotations along with the causal event history that led
to them, making program rejections far easier to debug and repair
(Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and security
community needs where the kernel runs the signature verification at
BPF_PROG_LOAD time before the LSM admission hook (Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify kfunc
arguments purely from BTF into a generated bpf_func_proto which is
computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags
(Avinash Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for() loops
no longer pay a kfunc call on every iteration (Puranjay Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID sets
and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock instead
of relying on the verifier's hard-coded allowlist (Kaitao Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized kernel
heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release instructions
(Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and account
for preempt and IRQ disabled regions as overlapping RCU protection
(Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed may_goto
support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign tasks
and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap() O(1)
instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended register
where the REX prefix dropped the high destination register bit
(Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths
(Yiyang Chen)
- Fix the trampoline handling of 128-bit arguments and of return values
larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena, trampolines,
sockmap, cgroup, ring buffer, x86/arm64/riscv/s390 JITs, libbpf,
bpftool, resolve_btfids and selftests.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Daniel Borkmann:
"Major changes:
- Redesign the verifier error reporting: failures now carry source
and instruction annotations along with the causal event history
that led to them, making program rejections far easier to debug and
repair (Kumar Kartikeya Dwivedi)
- Add arena argument support to kfuncs and struct_ops through the new
__arena and __arena__nullable suffixes (Tejun Heo, Puranjay Mohan,
Kumar Kartikeya Dwivedi, Ihor Solodrai)
- Signed BPF program loader rework to accommodate both BPF and
security community needs where the kernel runs the signature
verification at BPF_PROG_LOAD time before the LSM admission hook
(Daniel Borkmann)
- Add a set of ksock kfuncs which let BPF LSM and syscall programs
create, connect and send on UDP sockets in order to emit telemetry
data (Mahe Tardy)
- Unify helper and kfunc call argument verification and classify
kfunc arguments purely from BTF into a generated bpf_func_proto
which is computed once at add-call time (Amery Hung)
Other features and fixes:
- Enable EXECMEM_ROX_CACHE for BPF allocations on x86 (Mike Rapoport)
- Add bidirectional VLAN support to bpf_fib_lookup() through the new
BPF_FIB_LOOKUP_VLAN and BPF_FIB_LOOKUP_VLAN_INPUT flags (Avinash
Duduskar)
- Infer zext_dst from static register liveness analysis to fix 32-bit
zero-extension semantics, and remove the artificial limitations on
pointer types eligible for spilling (Eduard Zingerman)
- Inline the numeric open-coded iterator kfuncs so that bpf_for()
loops no longer pay a kfunc call on every iteration (Puranjay
Mohan)
- Add an arena-based bitmap data structure to libarena along with
serial and parallel selftests (Emil Tsalapatis)
- Teach resolve_btfids to discover kfuncs from the kernel's BTF ID
sets and to emit kfunc BTF decl tags, reducing the kernel build's
dependency on pahole features (Ihor Solodrai)
- Add BPF_F_ADJ_ROOM_DECAP_* flags to bpf_skb_adjust_room() so that
tunnel decapsulation can update the GSO and encapsulation state of
the skb (Nick Hudson)
- Fix the ring buffer pending_pos walk and the available-data
accounting on 32-bit position wrap (Israel Téllez García)
- Add memory usage accounting for arena maps and fix an mmap_lock
deadlock on arena lock failure (Jiayuan Chen)
- Add tracing_multi link info support to the kernel UAPI and bpftool,
and refactor the stack map code to run with preemption disabled
(Jiri Olsa)
- Support BPF_F_EGRESS in bpf_redirect_peer() to emit the skb in the
egress direction of the target's peer device (Jordan Rife)
- Add a KF_SPINLOCK_SAFE kfunc flag so that providers, in particular
modules, can declare kfuncs safe to call under bpf_spin_lock
instead of relying on the verifier's hard-coded allowlist (Kaitao
Cheng)
- Introduce global percpu data for BPF programs with libbpf probing
and bpftool skeleton support, and stop exposing uninitialized
kernel heap memory when copying per-CPU map values (Leon Hwang)
- Add s390 JIT support for load-acquire and store-release
instructions (Maxim Khmelevskii)
- Fix a CFI mismatch in the task work callback and an arm64 KASAN
false positive after bpf_throw() (Mykyta Yatsenko)
- Reject writes through untrusted BTF pointers and bound the
rdonly/rdwr_buf_size kfunc arguments (Nicholas Dudar)
- Invalidate RCU pointers only after the final spin unlock and
account for preempt and IRQ disabled regions as overlapping RCU
protection (Ning Ding)
- Support mixing bpf2bpf calls and tail calls on RV64, add signed
operations and 32-bit atomics to the RV32 JIT, and add timed
may_goto support (Pu Lehui, Kuan-Wei Chiu, Feng Jiang)
- Fix a use-after-free on mm_struct in bpf_find_vma() for foreign
tasks and an mmap_lock leak in the irq_work path (Sanghyun Park)
- Populate mmap-able BPF array map memory lazily which makes mmap()
O(1) instead of proportional to the map size (Song Liu)
- Introduce a jit_required flag and reject programs with inlined
helpers when no JIT is available, where the interpreter would
otherwise jump into an invalid address (Tiezhu Yang)
- Fix the x86 JIT per-CPU address resolution into an extended
register where the REX prefix dropped the high destination register
bit (Vineet Gupta)
- Reject MEM_ALLOC BTF accesses past object bounds, arena frees below
the arena base, and mixed arena and ordinary atomic paths (Yiyang
Chen)
- Fix the trampoline handling of 128-bit arguments and of return
values larger than 8 bytes (Yonghong Song)
- Ensure that any fault prone load is rewritten with exception table
handling, and fix the arena load-acquire and atomic fetch handling
in the x86, arm64, riscv and s390 JITs (Daniel Borkmann)
- Many more fixes and cleanups across the verifier, arena,
trampolines, sockmap, cgroup, ring buffer, x86/arm64/riscv/s390
JITs, libbpf, bpftool, resolve_btfids and selftests"
* tag 'bpf-next-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (373 commits)
selftests/bpf: Add tests for a store on a fault prone qdisc pointer
selftests/bpf: Add tests for fault prone loads out of RCU pointers
selftests/bpf: Add tests for pointer type merge at a shared load
selftests/bpf: Remove duplicate copies of the arena spinlock qnodes
selftests/bpf: Retry stat generation in cgroup_iter_memcg
selftests/bpf: Test pseudo-function policy diagnostics
bpf: Distinguish function references in policy diagnostics
bpf: Preserve source attribution without source text
selftests/bpf: Test kfunc argument diagnostics
bpf: Correct kfunc argument diagnostics
bpf: Use canonical stack argument names in diagnostics
bpf: Preserve R0 lineage across helper calls
selftests/bpf: Exercise negative optlen in cgroup getsockopt hook
bpf: Reject negative optlen in cgroup getsockopt hook
selftests/bpf: tc_tunnel - validate decap GSO and encapsulation state
bpf: Clear decap state on skb_adjust_room shrink path
bpf: Allow new DECAP flags and add guard rails
bpf: Add BPF_F_ADJ_ROOM_DECAP_* flags for tunnel decapsulation
bpf: Refactor masks for ADJ_ROOM flags and encap validation
bpf: Name the enum for BPF_FUNC_skb_adjust_room flags
...
|
||
|
Linus Torvalds
|
a4ff2be345 |
This update includes the following changes:
API: - Add af_alg_restrict sysctl and white list. - Fix potential suspend/resume races in hwrng. Algorithms: - Optimize vli additive operations using compiler builtins in ecc. Drivers: - Remove unsafe/deprecated algorithms from qce. - Mark qce as BROKEN. - Add runtime PM and interconnect bandwidth scaling support to qce. - Remove crypto_rng from qcom, sun8i and caam. - Fix SG list issues in iaa. - Fix SEV init path bugs in ccp. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmqEC3gACgkQxycdCkmx i6fOCw/9EzjhD0xotKv0Kylk/ukG+UYhh2j1zwFbMUuRl0GQCklSfM19h0DQ53vS FgJqf+69Q9sfn2HxihxQJGkW+NmiqwlHG9veu2PRBXRnMDjFQ8LDHAVEShvL4Jzv PW9daF3KsOjlcFuOVHum9SdQ2tdsoClEtBv8W9ndOxxGxGj3827etOWSTTp4DprP y2bpcE3R+CjmOgATmAQfOiKdLtghv8SspSRUmwVmj8lVijkjTiH9UELwQ4Tp407q vZU027gBHaWKb4VBLPX3NUg0UaJFsieKGrty2EZqX0nXF4f2jaPYB1iP9Y+92qcP WfvidNpVeLpRlJpf5QH1ZqiH7qf9I1YdOXcNe8IL+3b+9SYiyqDY3vuCeBE05dOJ Oty9m8pIV7IwZmhUIhZ0PdIl58urzxYPvCdD0IdAsA0sdNQEBcbTnuVuQjxt4AG0 GYPqiZdtRs5r3MkdRpymV49TBJ+vMY3Wo1lnCcnpCgxugTAx7tkFtMNBJSHF7DbC N1vwb2EYaTyzmH5Vr3dHLWeONskyIRa0WNhnszmIBie3M0AYF2sOkNw3iXVPQxXv a5XbXh/kAx0nc417dp1B8lZclHH2bWvEKHYalpT33GX4qsGuI4bH4uKaOrL0pXp1 WyNzGiCiWJBp2o9wNj/TxKCp7oGeD4ZRv0HeRrEHezSInoTrt9w= =f9oK -----END PGP SIGNATURE----- Merge tag 'v7.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto update from Herbert Xu: "API: - Add af_alg_restrict sysctl and white list - Fix potential suspend/resume races in hwrng Algorithms: - Optimize vli additive operations using compiler builtins in ecc Drivers: - Remove unsafe/deprecated algorithms from qce - Mark qce as BROKEN - Add runtime PM and interconnect bandwidth scaling support to qce - Remove crypto_rng from qcom, sun8i and caam - Fix SG list issues in iaa - Fix SEV init path bugs in ccp" * tag 'v7.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (122 commits) crypto: lskcipher - propagate errors from unaligned crypt crypto: keembay - use crypto_memneq() to compare CCM AEAD tags crypto: keembay - use crypto_memneq() to compare GCM AEAD tags crypto: sa2ul - use crypto_memneq() to compare AEAD tag hwrng: drivers - use named initializers for acpi_device_id crypto: qce - fix CCM AAD buffer underallocation crypto: iaa - unmap dst before software fallback on decompress crypto: iaa - use bounce buffer for multi-sg decompress input crypto: iaa - avoid counting fallback decompression bytes crypto: iaa - fall back to software for multi-entry scatterlists hwrng: core - Stop/start hwrng_fillfn() kthread before/after suspend-resume crypto: hisilicon/sec2 - fix CCM algorithm long packet failure crypto: eip93 - use struct_size() and flexible array for ring allocation crypto: krb5 - use kfree_sensitive() for derived key buffers crypto: af_alg - Stop after finding name in allowlist crypto: af_alg - Replace 'bool privileged' with flags crypto: af_alg - Make cbc(paes) privileged-only hwrng: imx-rngc - Disable clock on registration failure crypto: qat - remove dead ADF_HEX code crypto: qce - simplify qce_handle_request ... |
||
|
Linus Torvalds
|
a51ec5e8e5 |
integrity-v7.3
-----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQQdXVVFGN5XqKr1Hj7LwZzRsCrn5QUCaoTvgxQcem9oYXJAbGlu dXguaWJtLmNvbQAKCRDLwZzRsCrn5dC1AP9Byw49KACrNM8vvic/MTB4i3azMbFU ZNbcXgj9xRwyngD/fjwktpYUwEvgMIDybIu0Tr+CXUwoI8vrmPZpsvkeUwI= =eSwF -----END PGP SIGNATURE----- Merge tag 'integrity-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity Pull integrity updates from Mimi Zohar: - TPM initialization is sometimes delayed until deferred_probe_initcall Since ordering is not guaranteed within the same initcall level, IMA may initialize before the TPM and fall back to TPM-bypass mode. A new config option, CONFIG_IMA_INIT_LATE_SYNC, allows those building the kernel to defer IMA initialization to late_initcall_sync, accepting the integrity risk of missing early measurements in exchange for avoiding TPM-bypass mode. - The raw policy rules are now measured, as well as the complete policy, closing a gap in integrity measurement coverage * tag 'integrity-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: ima: measure userspace policy writes before parsing ima: add critical data measurement for loaded policy security: ima: rename boot_aggregate when ima is initialised at late_sync security: ima: introduce IMA_INIT_LATE_SYNC option security: lsm: allow LSMs to register for late_initcall_sync init |
||
|
Linus Torvalds
|
cbad8981fa |
Patches for v7.3
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||
|
Linus Torvalds
|
09005a6398 |
lsm/stable-7.3 PR 20260814
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||
|
Linus Torvalds
|
4253eb09d2 |
selinux/stable-7.3 PR 20260814
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||
|
Linus Torvalds
|
83453b6f51 |
audit/stable-7.3 PR 20260814
-----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEES0KozwfymdVUl37v6iDy2pc3iXMFAmp/iW4UHHBhdWxAcGF1 bC1tb29yZS5jb20ACgkQ6iDy2pc3iXP5gw/9FZSIJurmLZ9s+GPWczZFvkOB5aA9 jcBy7qCcRLrzlCIzrb9X8yBvgfRuGZcXgUiY9yCLYLJfeo9CECfYtSaqSN+3lBgg 0rTFjRmFijxc2m/xcimCxeh+5jMymWs/h7eqI8uPH5mrK65Ox2s2x9dCyHYHlvJ2 /Gl9igndDJ8I8OfHN4lEljSWXai2tONnWe4BFRrkcFUm6MwI6IKpRVVke1Pi6yKz cEij/A3VIpVXuH+AYCnctBNrz/voKcU7VjK+opuaBG5Tx/R2g6pWsC8jGjsu0uiP VTMhPmwaFdoTmCnt8zrqrrBaNwRqKypIKMdWKd2g0EcnLE7qv4HNTTPCm9WQya7t UjBtBArytTbPg7TaIl5KP4/I18ZjFTHMVuAOjyjZUvWm/Sl4lf+V2/x8Hkh7nwbB ffOuqnMS1+f4L/GKUNgBG5eHtOkNa+f2ZbtMdvHU8D55dP+k5cK/2lGDPPWtsFoQ jdsgcBG9sGp6pWytacZ/se4vd3wRFeCMbRsntBRYaGJN4zNOf55fZPgmGhtx+30O r0K0SiXmc/mqNake/f8rqwUar3Pqd+lj3rmEi1uNzqAq+VPlkuGwhqRmf1mS+/26 4n1wQsTp4yuR6wQ7PYyA+/TzeIYtTxRvMLA2lGdGMSe5SY8+D4I40yy7KIvK/yaC wHh9rRffxFx04Ek= =9fzH -----END PGP SIGNATURE----- Merge tag 'audit-pr-20260814' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit Pull audit updates from Paul Moore: - Drop BUG_ON() assertions from two functions While I don't recall any bug reports from either of these assertions in recent memory, neither of these checks warrant the kernel panic that could result from BUG_ON(). One of the BUG_ON() calls is converted to a WARN_ON_ONCE() and the other to a lockdep assertion. - Fix an audit tree reference counting problem Fix a corner case where audit could end up unintentionally dropping the last reference to an audit tree while the tree was still in use. We should probably revisit the audit tree handling code in full, but this patch works, and should be easy to backport to stable trees and downstream kernels. - Update the audit syscall classification tables Add some missing syscalls to the PERM class * tag 'audit-pr-20260814' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: audit: avoid dropping live tree ref on fsnotify rule autoremove audit: drop BUG_ON() from audit_signal_info_syscall() audit: drop BUG_ON() from audit_add_to_parent() audit: add missing syscalls to PERM class tables |
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Linus Torvalds
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cb8a75eec0 |
ring-buffer updates for 7.3:
- Remove unneeded semicolon A macro ended with a semicolon that wasn't needed. - Fix freeing cpu_buffer extra subbuffer with order greater than zero When the cpu_buffer was being freed, its "free" page, was using free_page() to free it when it could be more than one page. - Hold the cpu_buffer lock when resizing the subbuffer The freeing of the "free" page of the cpu_buffer was done without locking. The order of the data was being saved and then the "free" page was set to NULL. But there is a race that the "free" page could have been updated between those two operations. Add locking around it to prevent the race. - Save the order of the data along with the data in the free page The cpu_buffer would store just the data portion of the subbuffer page in its descriptor. But it did not store the order of the data pages. The order was being saved in the global buffer descriptor. But this leads to races. Have the cpu_buffer save the subbuf data along with its metadata (which includes the order of the page) to make sure when it frees it, it frees the correct order along with it. - Remove the subbuf_size and use the order directly when needed Having a size field for the size of the subbufer along with its order allowed for races to have them get out of sync. Remove the subbuf_size and use the order from the subbuf meta data directly under locks. Use the subbuf_order for other calculations in the ring buffer. - Remove the useless "cpus" field of trace_buffer The code has been restructured and the "cpus" field is no longer used. Remove it. - Remove the "mapped" field of the ring buffer and use a helper function instead. The "mapped" field has become a bit overused and made the code come complex in using a counter for what is denoted as being mapped or not. There are other fields that are set when the ring buffer is considered mapped. Add a helper function to check those fields and use that instead of keeping track of a counter. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaoC9jxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qlJwAQDG/FAI6Zr4f2jUIoEWPL7KGkhmHeuv rP1bIJVeIoy+RgEA+vjq6PNNGvN2DO0qnotu5UAhHxywM1KaUKQjOCDaJQI= =f8Ym -----END PGP SIGNATURE----- Merge tag 'trace-ringbuffer-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull ring-buffer updates from Steven Rostedt: - Remove unneeded semicolon A macro ended with a semicolon that wasn't needed. - Fix freeing cpu_buffer extra subbuffer with order greater than zero When the cpu_buffer was being freed, its "free" page, was using free_page() to free it when it could be more than one page. - Hold the cpu_buffer lock when resizing the subbuffer The freeing of the "free" page of the cpu_buffer was done without locking. The order of the data was being saved and then the "free" page was set to NULL. But there is a race that the "free" page could have been updated between those two operations. Add locking around it to prevent the race. - Save the order of the data along with the data in the free page The cpu_buffer would store just the data portion of the subbuffer page in its descriptor. But it did not store the order of the data pages. The order was being saved in the global buffer descriptor. But this leads to races. Have the cpu_buffer save the subbuf data along with its metadata (which includes the order of the page) to make sure when it frees it, it frees the correct order along with it. - Remove the subbuf_size and use the order directly when needed Having a size field for the size of the subbufer along with its order allowed for races to have them get out of sync. Remove the subbuf_size and use the order from the subbuf meta data directly under locks. Use the subbuf_order for other calculations in the ring buffer. - Remove the useless "cpus" field of trace_buffer The code has been restructured and the "cpus" field is no longer used. Remove it. - Remove the "mapped" field of the ring buffer and use a helper function instead. The "mapped" field has become a bit overused and made the code come complex in using a counter for what is denoted as being mapped or not. There are other fields that are set when the ring buffer is considered mapped. Add a helper function to check those fields and use that instead of keeping track of a counter. * tag 'trace-ringbuffer-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: ring-buffer: Remove ring_buffer_per_cpu::mapped ring-buffer: Remove trace_buffer::cpus ring-buffer: Dynamically calculate max_data_size ring-buffer: Fix subbuf resize race with ring_buffer_alloc_read_page() ring-buffer: Fix subbuf resize race with ring buffer readers ring-buffer: Make cpu_buffer::free_page a buffer_data_read_page ring-buffer: Hold cpu_buffer::lock when resizing a subbuf ring-buffer: Free cpu_buffer::free_page with subbuf_order ring-buffer: drop unneeded semicolon |
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Linus Torvalds
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1484625c59 |
tracefs updates for v7.3:
- Define event fields before directory creation Move the event_define_fields() call in event_create_dir() before the eventfs directory creation. Previously, a failure after directory creation wouldn't clean up eventfs_inode because the error path didn't call eventfs_remove_dir(). This eliminates the need to clean up the eventfs directories if event_define_fields() fails. - Add warning for out of bounds pos in __eventfs_iterate() Sashiko complains about the ctx->pos causing issues if it is less than 2 or greater than MAX_INT in __eventfs_iterate(). The thing is, the logic prevents that from happening. But to make Sashiko happy, add a WARN_ON() and exit safely if the function ever does get input that is out of the range the function expects. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan+ZvBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qtTfAQC+70AlkM07/RxLkS6GYEEoJ1orM/CO eheyYNZvdjovogEAoUjt0VO+PEcqKDkIdCpx3l9M4hu+B7hN51S2gdEz8gE= =EqMA -----END PGP SIGNATURE----- Merge tag 'tracefs-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracefs updates from Steven Rostedt: - Define event fields before directory creation Move the event_define_fields() call in event_create_dir() before the eventfs directory creation. Previously, a failure after directory creation wouldn't clean up eventfs_inode because the error path didn't call eventfs_remove_dir(). This eliminates the need to clean up the eventfs directories if event_define_fields() fails. - Add warning for out of bounds pos in __eventfs_iterate() Sashiko complains about the ctx->pos causing issues if it is less than 2 or greater than MAX_INT in __eventfs_iterate(). The thing is, the logic prevents that from happening. But to make Sashiko happy, add a WARN_ON() and exit safely if the function ever does get input that is out of the range the function expects. * tag 'tracefs-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: eventfs: Add warning for out of bounds pos in __eventfs_iterate() eventfs: Define event fields before directory creation |
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Linus Torvalds
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081e5bf2a9 |
tracing updates for v7.3:
- Expose btf_ids to trace events
In order to allow BPF programs to attach to system call trace events (which
are actually pseudo trace events built on top of raw_syscall events),
expose the BTF ID of the events. This will allow BPF programs better
precision in attaching to events.
- Use "u64" to assign to hist_field->type
Instead of using kstrdup("u64", GFP_KERNEL) to assign the hist_field->type,
just point it to "u64" instead. The hist_field->type is freed via
kfree_const().
- Replace kmalloc()/strcpy() with kstrdup() for trace_printk
Instead of having two calls to copy the module format string, just use
kstrdup().
- Use __free() in trace event histograms and triggres where possible
- Use seq_buf in trace event code instead of strcat()
Instead of calculating the size of the buffer to use and filling it with
strcat(), use the seq_buf infrastructure that takes care of making sure
not to overflow the string size.
- Reject invalid preemptirq_delay_test CPU affinity
The preempt_delay_test module can take an invalid CPU affinity mask and
create confusing output. Simply have the module reject invalid affinity
masks.
- Prevent division by zero in ftrace_ops sample module code
If the ftrace_ops sample module code receives the module parameter
nr_function_calls set to zero, it can cause a division by zero error.
- Warn when an event dereferences a parameter in TP_printk()
On boot up and module load, the trace event TP_printk() is scanned for
possible bugs. As the TP_printk() code is executed when the user reads the
"trace" file and processes the data written when the trace_event executed,
the data it reads can be literally days old. The scan currently checks for
dereferencing printk formats like "%pI6". But it does not check if the
parameters themselves have a dereference like:
TP_printk("offset %08x: value %08x",
(u32)(__entry->addr - __entry->edma->membase), __entry->value)
__entry represents the pointer to the event on the ring buffer. The
__entry->edma->membase is dereferencing a pointer on the ring buffer to
find membase, but the __entry->edma may no longer be a valid pointer.
Warn on this case too.
- Replace some strcpy() with strscpy()
- Clean up mmiotrace events to use assign_type() macro
The assign_type() macro makes sure the event type is indeed the type that
is being parsed. The mmiotrace trace was written before that macro was
created so it just simply typecasted the pointer.
Replace the typecasting with the macro.
- Have the ENUM processing to numbers only process what is added
The code that converts ENUMs to their numbers in the trace events scanned
all events to do the processing. This was true when a module was loaded
too. That is, instead of processing just the events for the module, it
processed *all* events. Even the builtin ones that were processed at boot
up.
Add a check for the event->module matching mod if it is a module before
processing it.
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Merge tag 'trace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Expose btf_ids to trace events
In order to allow BPF programs to attach to system call trace events
(which are actually pseudo trace events built on top of raw_syscall
events), expose the BTF ID of the events. This will allow BPF
programs better precision in attaching to events.
- Use "u64" to assign to hist_field->type
Instead of using kstrdup("u64", GFP_KERNEL) to assign the
hist_field->type, just point it to "u64" instead. The
hist_field->type is freed via kfree_const().
- Replace kmalloc()/strcpy() with kstrdup() for trace_printk
Instead of having two calls to copy the module format string, just
use kstrdup().
- Use __free() in trace event histograms and triggres where possible
- Use seq_buf in trace event code instead of strcat()
Instead of calculating the size of the buffer to use and filling it
with strcat(), use the seq_buf infrastructure that takes care of
making sure not to overflow the string size.
- Reject invalid preemptirq_delay_test CPU affinity
The preempt_delay_test module can take an invalid CPU affinity mask
and create confusing output. Simply have the module reject invalid
affinity masks.
- Prevent division by zero in ftrace_ops sample module code
If the ftrace_ops sample module code receives the module parameter
nr_function_calls set to zero, it can cause a division by zero error.
- Warn when an event dereferences a parameter in TP_printk()
On boot up and module load, the trace event TP_printk() is scanned
for possible bugs. As the TP_printk() code is executed when the user
reads the "trace" file and processes the data written when the
trace_event executed, the data it reads can be literally days old.
The scan currently checks for dereferencing printk formats like
"%pI6". But it does not check if the parameters themselves have a
dereference like:
TP_printk("offset %08x: value %08x",
(u32)(__entry->addr - __entry->edma->membase), __entry->value)
__entry represents the pointer to the event on the ring buffer. The
__entry->edma->membase is dereferencing a pointer on the ring buffer
to find membase, but the __entry->edma may no longer be a valid
pointer.
Warn on this case too.
- Replace some strcpy() with strscpy()
- Clean up mmiotrace events to use assign_type() macro
The assign_type() macro makes sure the event type is indeed the type
that is being parsed. The mmiotrace trace was written before that
macro was created so it just simply typecasted the pointer.
Replace the typecasting with the macro.
- Have the ENUM processing to numbers only process what is added
The code that converts ENUMs to their numbers in the trace events
scanned all events to do the processing. This was true when a module
was loaded too. That is, instead of processing just the events for
the module, it processed *all* events. Even the builtin ones that
were processed at boot up.
Add a check for the event->module matching mod if it is a module
before processing it.
* tag 'trace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (21 commits)
tracing: Have trace_event_update_all() only handle module that is loading
tracing: Cleanup event_enable_trigger_parse() by using __free()
tracing: Report every TP_printk double dereference
tracing/mmiotrace: Use trace_assign_type() in mmio_print_mark()
tracing: Make per-template BTF id lists file-local
tracing: Use seq_buf for string concatenation
tracing: Use strscpy() instead of strcpy() in trace_sched_switch
tracing: Warn when an event dereferences a pointer in TP_printk()
samples/ftrace: Prevent division by zero when nr_function_calls is zero
tracing: Reject invalid preemptirq_delay_test CPU affinity
fgraph: Use trace_seq_putc() in print_graph_return()
tracing/user_events: Replace a seq_printf() call by seq_puts() in user_seq_show()
tracing/user_events: Use seq_putc() in two functions
tracing: Bound histogram expression strings with seq_buf
tracing: Return ERR_PTR() from expr_str()
tracing: Use __free() for expr_str() buffer
kernel/trace/trace_printk: Use kstrdup() instead of kmalloc() and strcpy()
tracing: Point constant hist field type to string literal
selftests/bpf: Add test for tracepoint btf_ids tracefs file
tracing: Expose tracepoint BTF ids via tracefs
...
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Linus Torvalds
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00d66b29a6 |
ftrace updates for 7.3:
- Deprecrate ftrace_enabled in disabling ftrace The file /proc/sys/kernel/ftrace_enabled was created when ftrace was first introduced back in 2008. It was to be a "kill switch" if something was to go wrong. It was also used as a way to turn off function tracing for the latency tracers that would have it on by default. But in 2013 (Linux 3.10) the option "function-trace" was introduced to disable function tracing for the latency tracers as the "ftrace_enabled" file was considered too big of a hammer and caused too many side effects. When live kernel patching came along, disabling ftrace via the ftrace_enabled file would put the system into an unstable state if a live kernel patch was installed. This created the need to mark some function hooks as "PERMANENT". Now there's a need for BPF usage marked as PERMANENT for the same reasons. The file "ftrace_enabled" usage is no longer viable. It doesn't do what it says it does and there is no reason to use it. Make writing '0' to it a nop and print a message saying its usage is deprecated. The return value of writing '0' is -EOPNOTSUPP so that user space will error on that write (hopefully to inform any developer that it no longer works). Eventually the file should be removed completely, but for now just making it not do anything is the path forward to that. - Update the livepatch tests to handle ftrace_enabled being disabled Because in the past, livepatch was broken by ftrace_enabled being turned off, there's a test case that checks to make sure it still doesn't break. But having the write of '0' return an error caused that test to break. Updated the test to handle the new change. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan9buBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qkrAAP9lStpPUUVGUVprdRttG8tv4LlSMqX3 +A5WdksIKD+XMAD+ODdXKQkjynRpTf9YnIV3PXNg6Adi3ItOXG1+UsbWGQY= =QLhM -----END PGP SIGNATURE----- Merge tag 'ftrace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull ftrace updates from Steven Rostedt: - Deprecrate ftrace_enabled in disabling ftrace The file /proc/sys/kernel/ftrace_enabled was created when ftrace was first introduced back in 2008. It was to be a "kill switch" if something was to go wrong. It was also used as a way to turn off function tracing for the latency tracers that would have it on by default. But in 2013 (Linux 3.10) the option "function-trace" was introduced to disable function tracing for the latency tracers as the "ftrace_enabled" file was considered too big of a hammer and caused too many side effects. When live kernel patching came along, disabling ftrace via the ftrace_enabled file would put the system into an unstable state if a live kernel patch was installed. This created the need to mark some function hooks as "PERMANENT". Now there's a need for BPF usage marked as PERMANENT for the same reasons. The file "ftrace_enabled" usage is no longer viable. It doesn't do what it says it does and there is no reason to use it. Make writing '0' to it a nop and print a message saying its usage is deprecated. The return value of writing '0' is -EOPNOTSUPP so that user space will error on that write (hopefully to inform any developer that it no longer works). Eventually the file should be removed completely, but for now just making it not do anything is the path forward to that. - Update the livepatch tests to handle ftrace_enabled being disabled Because in the past, livepatch was broken by ftrace_enabled being turned off, there's a test case that checks to make sure it still doesn't break. But having the write of '0' return an error caused that test to break. Updated the test to handle the new change. * tag 'ftrace-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: selftests/livepatch: update test-ftrace.sh for deprecated ftrace_enabled ftrace: deprecate disabling via ftrace_enabled sysctl |
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Linus Torvalds
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3793b558ff |
RTLA updates for v7.3
- Extend support for unsetting CLI options libsubcmd auto-generates "--no-<option>" to unset options, provided the option callback supports it. Implement this for RTLA CLI beyond boolean options, and document the few exceptions that are left out. - Test all tracer options in runtime tests Verify that RTLA sets osnoise/timerlat options correctly by reading them from tracefs during runtime tests. - Improve range validation for option arguments Make CLI range validation consistent with the kernel limits and unify implementation and error messages between options. - Improve invalid option argument parsing Consistently reject invalid values for numeric option arguments with a unified error message for all options. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan+DpBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qpEsAP90dBAnAxttyHCUIfdDJuVZRRu2EXzn xuBVPvL2sMt89wEA8Un0jTztzmGEUohIWpUG4tQJ7Ebi9xGYqkbmcymbKQo= =aUyh -----END PGP SIGNATURE----- Merge tag 'trace-tools-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA updates from Steven Rostedt: - Extend support for unsetting CLI options libsubcmd auto-generates "--no-<option>" to unset options, provided the option callback supports it. Implement this for RTLA CLI beyond boolean options, and document the few exceptions that are left out. - Test all tracer options in runtime tests Verify that RTLA sets osnoise/timerlat options correctly by reading them from tracefs during runtime tests. - Improve range validation for option arguments Make CLI range validation consistent with the kernel limits and unify implementation and error messages between options. - Improve invalid option argument parsing Consistently reject invalid values for numeric option arguments with a unified error message for all options. * tag 'trace-tools-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/cli: Unify and improve handling of invalid option arguments rtla/cli: Unify and improve range validation logic rtla/tests: Test all tracer options in runtime tests Documentation/rtla: Document unsetting options rtla: Add unit tests for CLI with unset rtla: Add unit tests for unset in opt callbacks rtla: Allow unsetting non-list custom-callback CLI options |
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Linus Torvalds
|
55ee4b931a |
Real-time Verifier updates for v7.3
- Switch LTL and DOT parsers to Lark in code generation tool The rvgen code generation tool originally parsed DOT files and LTL specifications using custom string parsing and Ply, which is no longer maintained. The DOT parser was fragile and prone to failure on minor format variations. Both LTL and DOT parsers have been rewritten to use the Lark parsing library. - Simplify Hybrid Automata clock variables The clock variables in hybrid automata monitors now use a single representation of the elapsed time since the clock was reset, rather than converting between invariant and guard representations. This allows simpler code generation for the newly refactored parser. - Generate cleanup hook for per-obj monitor The code generation scripts now adds a cleanup function to per-obj monitors for the user to wire to the appropriate event (e.g. sched_process_exit for tasks). - Reduce read_lock scope during per-task cleanup Take the tasklist_lock only when necessary, that is when iterating over for_each_process_thread(). - Simplify task monitor slot management Only rely on the slot array for per-task slot management to avoid inconsistency with the unused counter. - Improve rvgen code robustness and templates Use pathlib in rvgen and improve kernel path discovery. Also improve consistency across templates when generating code (e.g. author placeholder and monitor struct name). - Update rtapp sleep monitor Simplify the sleep monitor by excluding kernel threads and updating the nanosleep check to focus only on CLOCK_REALTIME. Also switch to use the sched_exit tracepoint to run in the context of the offending (wakee) task. - Add wakeup monitor Add the new rtapp/wakeup monitor to detect when lower-priority tasks wake up higher-priority ones, complementing the existing sleep monitor by running in the waker context and capturing its stack trace. - Fix tools/rv exit status on failure Ensure the rv tool returns a failure exit code when a monitor fails to start because it was already running. - Add automated selftests for tools/rv and rvgen Introduced automated bash selftests to validate rv monitor listing and execution under different configurations. Added tests for the rvgen code generator, validating generated files against expected output (golden). Tests are reachable via make check. - Add KUnit test coverage for verification monitors Added comprehensive KUnit tests to validate the functionality of deterministic, hybrid, and LTL monitors by emulating event sequences and timing in a mock environment without affecting the running kernel while expecting mock reactions to fire. Ensure real RV monitors cannot run during KUnit tests to avoid state corruption. - Mock current in rv monitors Mock the call to current in rv monitors when the KUnit tests are built to allow them to run the test on dummy tasks. No overhead is expected when KUnit tests aren't running. - Introduce rvgen kunit subcommand Added a new 'kunit' subcommand to rvgen to automatically patch an already generated monitor with KUnit integration templates by parsing its event handlers and creating the required mock structures and initializations. - Refine kernel verification selftests Added new selftests for the deadline and stall monitors and rearranged the existing wwnr_printk test to resolve flakiness. Additionally, fixed an issue in the selftests framework where negative assertion failures were not correctly propagated due to shell rules. - Fix 32-bit build of nomiss KUnit test A previous commit introduced a division between an u64 and a constant value and that doesn't build on 32-bit systems. Use div_u64() instead. - Document changes in sleep monitor The sleep monitor introduced some changes in the past like allowing epoll_wait() as a valid sleep and a task going to runnable before scheduling as a valid wakeup. Document both. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCan+BsRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qicKAQD5aLUnn4zrZGuT+k5qmNmmbOsAXriS g+TfUXShvRoL6QD+KrsUyNf9KzLd+IqJG1N3G3wbhOiVd60Y5srLZP87UgA= =iqRx -----END PGP SIGNATURE----- Merge tag 'trace-rv-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull Real-time Verifier updates from Steven Rostedt: - Switch LTL and DOT parsers to Lark in code generation tool The rvgen code generation tool originally parsed DOT files and LTL specifications using custom string parsing and Ply, which is no longer maintained. The DOT parser was fragile and prone to failure on minor format variations. Both LTL and DOT parsers have been rewritten to use the Lark parsing library. - Simplify Hybrid Automata clock variables The clock variables in hybrid automata monitors now use a single representation of the elapsed time since the clock was reset, rather than converting between invariant and guard representations. This allows simpler code generation for the newly refactored parser. - Generate cleanup hook for per-obj monitor The code generation scripts now adds a cleanup function to per-obj monitors for the user to wire to the appropriate event (e.g. sched_process_exit for tasks). - Reduce read_lock scope during per-task cleanup Take the tasklist_lock only when necessary, that is when iterating over for_each_process_thread(). - Simplify task monitor slot management Only rely on the slot array for per-task slot management to avoid inconsistency with the unused counter. - Improve rvgen code robustness and templates Use pathlib in rvgen and improve kernel path discovery. Also improve consistency across templates when generating code (e.g. author placeholder and monitor struct name). - Update rtapp sleep monitor Simplify the sleep monitor by excluding kernel threads and updating the nanosleep check to focus only on CLOCK_REALTIME. Also switch to use the sched_exit tracepoint to run in the context of the offending (wakee) task. - Add wakeup monitor Add the new rtapp/wakeup monitor to detect when lower-priority tasks wake up higher-priority ones, complementing the existing sleep monitor by running in the waker context and capturing its stack trace. - Fix tools/rv exit status on failure Ensure the rv tool returns a failure exit code when a monitor fails to start because it was already running. - Add automated selftests for tools/rv and rvgen Introduced automated bash selftests to validate rv monitor listing and execution under different configurations. Added tests for the rvgen code generator, validating generated files against expected output (golden). Tests are reachable via make check. - Add KUnit test coverage for verification monitors Added comprehensive KUnit tests to validate the functionality of deterministic, hybrid, and LTL monitors by emulating event sequences and timing in a mock environment without affecting the running kernel while expecting mock reactions to fire. Ensure real RV monitors cannot run during KUnit tests to avoid state corruption. - Mock current in rv monitors Mock the call to current in rv monitors when the KUnit tests are built to allow them to run the test on dummy tasks. No overhead is expected when KUnit tests aren't running. - Introduce rvgen kunit subcommand Added a new 'kunit' subcommand to rvgen to automatically patch an already generated monitor with KUnit integration templates by parsing its event handlers and creating the required mock structures and initializations. - Refine kernel verification selftests Added new selftests for the deadline and stall monitors and rearranged the existing wwnr_printk test to resolve flakiness. Additionally, fixed an issue in the selftests framework where negative assertion failures were not correctly propagated due to shell rules. - Fix 32-bit build of nomiss KUnit test A previous commit introduced a division between an u64 and a constant value and that doesn't build on 32-bit systems. Use div_u64() instead. - Document changes in sleep monitor The sleep monitor introduced some changes in the past like allowing epoll_wait() as a valid sleep and a task going to runnable before scheduling as a valid wakeup. Document both. * tag 'trace-rv-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (40 commits) Documentation/rv: Explain epoll and aborted sleeps rv: Fix 32-bit build of nomiss KUnit test selftests/verification: Add selftests for deadline and stall monitors selftests/verification: Rearrange the wwnr_printk test selftests/verification: Fix wrong errexit assumption rv: Add KUnit tests for some LTL monitors rv: Add KUnit mock for current rv: Add KUnit tests for some DA/HA monitors rv: Export task monitor slot and react symbols verification/rvgen: Add selftests for rvgen kunit verification/rvgen: Add the rvgen kunit subcommand verification/rvgen: Add selftests verification/rvgen: Add golden and spec folders for tests tools/rv: Add selftests verification/rvgen: Improve consistency in template files verification/rvgen: Use pathlib instead of os.path verification/rvgen: Improve rv_dir discovery in RVGenerator tools/rv: Fix exit status when monitor execution fails rv: Use generic rv_this for the rv_monitor variable in LTL rv/rtapp: Add wakeup monitor ... |
||
|
Linus Torvalds
|
98f21c54f9 |
fwctl 7.3 pull request
- Support more commands in bnxt, this completes what they originally wanted to do - Rust bindings for fwctl. The Nova GPU is expected to use them next cycle -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRRRCHOFoQz/8F5bUaFwuHvBreFYQUCaoTy/QAKCRCFwuHvBreF YSmUAP9Q2O8BpR9sR/+0VufAXEmEnILMnqPbi1nSSCmuZd3cegEA4kwkE7wAvTcE 1LYoZBQ2n2YYQDO6ykTY1oTY4IauhwE= =uCFZ -----END PGP SIGNATURE----- Merge tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl Pull fwctl updates from Jason Gunthorpe: - Support more commands in bnxt, this completes what they originally wanted to do - Rust bindings for fwctl. The Nova GPU is expected to use them next cycle * tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/fwctl/fwctl: rust: introduce abstractions for fwctl fwctl/bnxt: Add DMA buffer support for HWRM commands bnxt_en: Update bnxt firmware spec |
||
|
Linus Torvalds
|
85e0d1de36 |
iommufd v7.3 merge window pull request
Small update this cycle:
- Formal API for "no iommu" mode in VFIO. iommufd now works in this
environment and provides page pinning and phyiscal address services to
userspace. This avoids nasty fragile tricks with mprotect and pgmap
- Fix sykzaller crash racing change_process with map_pages
- Various skyzkaller/AI fixes for the selftests
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"One small feature this cycle, the noiommu mode is useful in
single-purpose VMs running something like DPDK. It avoids the double
translation overhead and it seems to be commonly used with some hacks.
Summary:
- Formal API for "no iommu" mode in VFIO. iommufd now works in this
environment and provides page pinning and phyiscal address services
to userspace. This avoids nasty fragile tricks with mprotect and
pgmap
- Fix sykzaller crash racing change_process with map_pages
- Various skyzkaller/AI fixes for the selftests"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Fix UAF in selftest IOPF reporting
iommu/iommufd: Fix NULL pointer deref in iommufd_ioas_change_process when racing with iopt_map_file_pages
Documentation: Update VFIO NOIOMMU mode
vfio: Enable cdev noiommu mode under iommufd
iommufd: Add an ioctl to query PA from IOVA for noiommu mode
iommufd: Allow binding to a noiommu device
iommufd: Move igroup allocation to a function
iommufd: Support a HWPT without an iommu driver for noiommu
iommufd: Simplify iommufd_device_remove_vdev()
iommufd: Fix grammar and spelling in comments
iommu: Fix dev_iommu memory leak when device_add fails in iommu_mock_device_add
iommufd/selftest: Fix dmabuf leak in iommufd_test_dmabuf_get()
iommufd/selftest: Avoid selftest dirty bitmap size wrap
|
||
|
Linus Torvalds
|
4994ef0fe0 |
IOMMU updates for Linux v7.3:
- ARM SMMUv2:
- Device-tree binding updates for Qualcomm Eliza, Maili, Shikra and
IPQ9650 SoCs.
- Add support for Qualcomm SM8450.
- Numerous fixes for lifetime and ordering issues found by Sashiko in
the Qualcomm driver.
- ARM SMMUv3:
- Fix interrupt type in device-tree binding example for NVIDIA CMDQV.
- Numerous fixes for issues identified by Sashiko in the NVIDIA CMDQV
driver.
- Work around TLB erratum T264-SMMU-3 on Tegra264 by repeating the
invalidation sequence.
- Add support for HAFT (hardware access flag in table entries) when
using SVA.
- Probe for 52-bit addressing with a page size smaller than 64k ('DS')
but don't do anything with it for now.
- Minor driver improvements (remove sort_nonatomic(), use
readl_relaxed_poll_timeout_atomic(), fix IOPF teardown ordering).
- Intel VT-d:
- Consolidation of complex enablement logic into a clean, priority-based
state machine.
- Support for the DMA_REMAP_OPT_OUT flag from the VT-d v5.2
specification.
- An update to cache_tag_flush_devtlb_psi() to use full-range constants
instead of modifying shared variables for CACHE_TAG_NESTING_DEVTLB.
- A fix for the UCTP context-table slot when copying root entries.
- Fixes for several pre-existing issues reported by Sashiko.
- General code cleanup and refinement.
- AMD IOMMU:
- Add SNP page-mode-0 support, enabling passthrough, v2 DMA page
tables and host SVA on supporting systems.
- Fix invalid PPR handling, COMPLETE_PPR responses and guest-mode
reporting.
- Improve Southbridge IOAPIC validation and remove the dependency on
hard-coded device IDs.
- Fix PCI-device lifetime, debugfs and diagnostic issues.
- IOMMU core and IOMMUFD:
- Restore serialization of the shared MSI-page list.
- Fix SVA-handle publication and several IOMMUFD reference and error
path leaks.
- Return the expected zero result for invalid generic page-table
translations.
- Allocate per-CPU IOVA magazines lazily to reduce memory use on
large systems.
- PCI ATS:
- Make VF support checks account for the associated PF and validate
that VF and PF Smallest Translation Unit settings agree.
- Platform drivers:
- Fix Qualcomm runtime-PM, probe unwind, fault reporting and page
table initialization races.
- Rework Rockchip state handling and fix clock, probe and stale-fault
handling.
- Fix smaller issues in the MSM and MediaTek drivers.
- Device-tree bindings:
- Add new Qualcomm SMMU compatibles, convert the OMAP IOMMU binding
to YAML, and fix the Tegra264 CMDQV interrupt example.
- Various smaller cleanups, documentation fixes and a Rust IOMMU
safety/readability improvement.
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Merge tag 'iommu-updates-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
"ARM SMMUv2:
- Device-tree binding updates for Qualcomm Eliza, Maili, Shikra and
IPQ9650 SoCs
- Add support for Qualcomm SM8450
- Numerous fixes for lifetime and ordering issues found by Sashiko in
the Qualcomm driver
ARM SMMUv3:
- Fix interrupt type in device-tree binding example for NVIDIA CMDQV
- Numerous fixes for issues identified by Sashiko in the NVIDIA CMDQV
driver
- Work around TLB erratum T264-SMMU-3 on Tegra264 by repeating the
invalidation sequence
- Add support for HAFT (hardware access flag in table entries) when
using SVA
- Probe for 52-bit addressing with a page size smaller than 64k
('DS') but don't do anything with it for now
- Minor driver improvements (remove sort_nonatomic(), use
readl_relaxed_poll_timeout_atomic(), fix IOPF teardown ordering)
Intel VT-d:
- Consolidation of complex enablement logic into a clean,
priority-based state machine
- Support for the DMA_REMAP_OPT_OUT flag from the VT-d v5.2
specification
- An update to cache_tag_flush_devtlb_psi() to use full-range
constants instead of modifying shared variables for
CACHE_TAG_NESTING_DEVTLB
- A fix for the UCTP context-table slot when copying root entries
- Fixes for several pre-existing issues reported by Sashiko
- General code cleanup and refinement
AMD IOMMU:
- Add SNP page-mode-0 support, enabling passthrough, v2 DMA page
tables and host SVA on supporting systems
- Fix invalid PPR handling, COMPLETE_PPR responses and guest-mode
reporting
- Improve Southbridge IOAPIC validation and remove the dependency on
hard-coded device IDs
- Fix PCI-device lifetime, debugfs and diagnostic issues
IOMMU core and IOMMUFD:
- Restore serialization of the shared MSI-page list
- Fix SVA-handle publication and several IOMMUFD reference and error
path leaks
- Return the expected zero result for invalid generic page-table
translations
- Allocate per-CPU IOVA magazines lazily to reduce memory use on
large systems
PCI ATS:
- Make VF support checks account for the associated PF and validate
that VF and PF Smallest Translation Unit settings agree
Platform drivers:
- Fix Qualcomm runtime-PM, probe unwind, fault reporting and page
table initialization races
- Rework Rockchip state handling and fix clock, probe and stale-fault
handling
- Fix smaller issues in the MSM and MediaTek drivers
Device-tree bindings:
- Add new Qualcomm SMMU compatibles, convert the OMAP IOMMU binding
to YAML, and fix the Tegra264 CMDQV interrupt example
Various smaller cleanups, documentation fixes and a Rust IOMMU
safety/readability improvement"
* tag 'iommu-updates-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (93 commits)
iommu/amd: Add SNP page mode 0 support
iommu/amd: Fix GN bit setting in COMPLETE_PPR_REQUEST command
iommu/amd: Rate limit INVALID_PPR_REQUEST error logging
iommu/amd: Fix missing CMD_COMPLETE_PPR response for invalid PPR requests
iommu/amd: Introduce PPR_TAG_LAST_PAGE() macro
iommu/amd: Fix incorrect device ID in invalid PASID error message
iommu/vt-d: Flush context cache with correct SID when tearing down aliases
iommu/vt-d: Tear down scalable-mode context on probe failure
iommu/vt-d: Fix iopf_refcount leak on RID domain replacement
iommu/vt-d: Clear Present bit before tearing down copied context entry
iommu/vt-d: Fix copied_tables bitmap leak on error in copy_translation_tables
iommu/vt-d: Cache max domain ID to avoid redundant calculation
iommu/vt-d: Support the new DMA_REMAP_OPT_OUT flag bit
iommu/vt-d: Remove dmar_disabled
iommu/vt-d: Remove the 'force_on' variable
iommu/vt-d: Call dmar_can_force_on() for tboot opt-in
iommu/vt-d: Use dmar_can_force_on() for platform opt-in
iommu/vt-d: Consolidate dmar policy management and force_on logic
iommu/vt-d: Remove dead code when CONFIG_INTEL_IOMMU is not set
iommu/vt-d: Force requesting ACS when tboot is enabled
...
|
||
|
Linus Torvalds
|
7fa7d4c603 |
- 6 minor cleanups found by Claude Opus 4.6
- small cleanups in dm core, dm-cache, dm-switch, dm-inlinecrypt, dm-vdo - improve validation of metadata in dm-pcache - dm: fix resume-vs-remove ioctl race condition - dm: fix race condition when issuing table load ioctls concurrently - fix dm-raid1 and dm-io, so that they work with unaligned bio vectors - dm-integrity: use keyed markers as discard fillers - improve metadata validation in dm-array - fix dm-stats crash on memory allocation failure - fix dm-dust, so that it works if it is not the first target in a table - dm-era: fix superblock refcount leak on snapshot failure -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRnH8MwLyZDhyYfesYTAyx9YGnhbQUCaoNttBQcbXBhdG9ja2FA cmVkaGF0LmNvbQAKCRATAyx9YGnhbThWAQCYDN/SclnydRYV7IKzV/yyd75esUOi lWC3kMbiykSD0AEAmdQeMEqwxpX8i1njnPrcm67i4+LEKMK4X+ApLwV30gQ= =SOAs -----END PGP SIGNATURE----- Merge tag 'for-7.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mikulas Patocka: - minor cleanups found by Claude Opus 4.6 - small cleanups in dm core, dm-cache, dm-switch, dm-inlinecrypt, dm-vdo - improve validation of metadata in dm-pcache - fix resume-vs-remove ioctl race condition - fix race condition when issuing table load ioctls concurrently - fix dm-raid1 and dm-io, so that they work with unaligned bio vectors - dm-integrity: use keyed markers as discard fillers - improve metadata validation in dm-array - fix dm-stats crash on memory allocation failure - fix dm-dust, so that it works if it is not the first target in a table - dm-era: fix superblock refcount leak on snapshot failure * tag 'for-7.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (46 commits) dm-era: fix shadowed superblock leak on take-snap failure dm dust: make badblock messages target-relative dm-stats: fix a crash if allocation of per-cpu data fails dm array: reject an array block whose value size is not the caller's dm array: validate array block headers on read dm-integrity: replace forgeable discard filler with a keyed sector marker dm vdo indexer: embed geometry in parent structures dm vdo indexer: simplify sub-index parameter calculations dm-pcache: remove unused 'cache' parameter from cache_key_gc() docs: device-mapper: dm-inlinecrypt: fix 'bellow' spelling dm-pcache: remove unused miss_read_end_work_fn declaration dm-io: report non-retryable errors separatedly dm-io: clone the source bio instead of copying its biovec dm: fix race when loading and unloading a table dm: fix resume-vs-remove race dm-pcache: remove unused 'allocated' variable in cache_data_alloc() dm-pcache: replace tabs with spaces in comments to fix ASCII diagram alignment dm-pcache: fix use-after-free and invalid seg operations in kset_replay() dm-pcache: fix implicit u8 truncation of gc_percent in message handler dm raid1: reserve space for NUL-terminator in build_constructor_string() ... |
||
|
Linus Torvalds
|
faabe2db71 |
ata changes for 7.3
- Some code cleanups to rename the function used to identify ZAC
devices and declare some local functions static (me).
- Refactoring and improvement of the translation of the SCSI
REPORT SUPPORTED OPCODES command to allow users access to the entire
list of supported commands (me).
- Fix the translation of the WRITE SAME command with UNMAP bit set (DSM
TRIM) for devices with a sector size larger than 2K and devices that
support multiple TRIM segments (Niklas).
- Add support detecting support for and translating the SCSI commands
related to the storage elements depopulation feature (GET PHYSICAL
ELEMENT STATUS, REMOVE ELEMENT AND TRUCATE, REMOVE ELEMENT AND MODIFY
ZONES and RESTORE ELEMENTS AND REBUILD) (me).
- Improvements to the sata_mv driver probe code (clocks and IRQ
initialization) (Rosen).
- Improve resource initialization in the pata_rb532_cf, pata_pxa,
sata_highbank and ahci_da850 drivers (Rosen).
- Improve PIO data-in command completions to better hndle slow devices,
e.g. CF cards (Richard).
- Improve the DMA channel management using device resources in the
pata_pxa driver (Rosen).
- Fix the pata_ep93xx driver to correctly fallback to PIO mode if DMA
initialization fails (Rosen).
- Use named initializers to define the match tables of the ahci_xgene,
ahci_qoriq and ahci_platform drivers (Pawel).
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Merge tag 'ata-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Damien Le Moal:
- Some code cleanups to rename the function used to identify ZAC
devices and declare some local functions static (me)
- Refactoring and improvement of the translation of the SCSI REPORT
SUPPORTED OPCODES command to allow users access to the entire list of
supported commands (me)
- Fix the translation of the WRITE SAME command with UNMAP bit set (DSM
TRIM) for devices with a sector size larger than 2K and devices that
support multiple TRIM segments (Niklas)
- Add support detecting support for and translating the SCSI commands
related to the storage elements depopulation feature (GET PHYSICAL
ELEMENT STATUS, REMOVE ELEMENT AND TRUCATE, REMOVE ELEMENT AND MODIFY
ZONES and RESTORE ELEMENTS AND REBUILD) (me)
- Improvements to the sata_mv driver probe code (clocks and IRQ
initialization) (Rosen)
- Improve resource initialization in the pata_rb532_cf, pata_pxa,
sata_highbank and ahci_da850 drivers (Rosen)
- Improve PIO data-in command completions to better hndle slow devices,
e.g. CF cards (Richard)
- Improve the DMA channel management using device resources in the
pata_pxa driver (Rosen)
- Fix the pata_ep93xx driver to correctly fallback to PIO mode if DMA
initialization fails (Rosen)
- Use named initializers to define the match tables of the ahci_xgene,
ahci_qoriq and ahci_platform drivers (Pawel)
* tag 'ata-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux: (28 commits)
ata: use named initializers for acpi_device_id
ata: pata_ep93xx: fix PIO fallback when DMA init fails
ata: pata_pxa: use devres for DMA channel management
ata: libata-sff: don't busy-wait for PIO data-in command completion
ata: ahci_da850: use devm_platform_ioremap_resource()
ata: sata_highbank: use devm_platform_ioremap_resource
ata: pata_pxa: use devm_platform_ioremap_resource
ata: pata_rb532_cf: use devm_platform_ioremap_resource()
ata: sata_mv: use devm clock helpers
ata: sata_mv: Use platform_get_irq() to get interrupt
ata: pata_mpc52xx: Remove redundant dev_err()
ata: libata-eh: make ata_eh_qc_complete() and ata_eh_qc_retry() static
ata: libata-scsi: add support for the REMOVE ELEMENT AND MODIFY ZONES command
ata: libata-scsi: add support for the RESTORE ELEMENTS AND REBUILD command
ata: libata-scsi: add support for the REMOVE ELEMENT AND TRUNCATE command
ata: libata-scsi: add support for the GET PHYSICAL ELEMENT STATUS command
ata: libata-core: detect support for depopulation capabilities
ata: libata-scsi: improve ata_get_xlat_func
ata: libata: improve the definition of device flags
scsi: define depopulation capabilities related service actions
...
|
||
|
Linus Torvalds
|
59e6295fac |
Driver core changes for 7.3-rc1
- container_of:
- Apply typeof_member(), remove the local __mptr variable to eliminate
variable shadowing warnings on nested container_of() calls, and remove
unnecessary parentheses.
- core:
- Add driver name to probe debug print for initcall_debug.
- Avoid repeatedly printing the same 'Fixed dependency cycle' log.
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device().
- Remove statistics group if encryption group creation fails in
transport_add_class_device().
- debugfs:
- Fix lockdown check for mmap_prepare().
- Warn if file creation failed due to uninitialized debugfs.
- device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from DEV_PROP_REF
properties to enable automatic probe ordering. Add kunit-managed fwnode
helpers and test coverage.
- Fix infinite loop in fwnode_for_each_child_node() when the secondary fwnode
has more than one child. Add test cases.
- Fix out-of-bounds access in software_node_get_reference_args() when called
with index -1 (UINT_MAX).
- Refactor to use RAII approach with __free().
- Add Bartosz Golaszewski as software node reviewer.
- firmware loader:
- Fix race where a sysfs fallback request can complete before being queued as
pending, leading to a use-after-free on the next fallback request.
- Reject 0-size built-in firmware and fail the build on empty firmware files
in CONFIG_EXTRA_FIRMWARE.
- kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros and
allow the constification of kobject attributes, enabling them to reside in
read-only memory.
- platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(), and
platform_device_set_of_node_from_dev() helpers that encapsulate firmware
node reference counting for dynamically allocated platform devices. Convert
all in-tree users that manually assigned dev.of_node or dev.fwnode, fixing a
pre-existing refcount bug in powermac. Switch to counting references of all
firmware node types, not only OF nodes.
- Unify the release path for dynamically allocated platform devices by
removing platform_device_release_full(). Amend the fwnode setter API
contract to warn if a primary software node is overwritten. Add KUnit tests
for correct software node removal on device unregistration.
- Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant ForLt types.
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements from
kernel::transmute traits to zerocopy traits.
- Device:
- Add BoundInternal device context and InternalBoundContext trait for bus
abstractions that need internal access to a bound device.
- Make the lifetime on Core and CoreInternal invariant to prevent coercion
to shorter lifetimes.
- Devres:
- Fix race between concurrent revokers where the losing revoker could return
before the winning revoker finished dropping the inner data, causing
use-after-free.
- Ensure revocation is complete before the device finishes unbinding by
making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens 'static back
to the caller's borrow scope. Implement ForLt and CovariantForLt for Bar,
IoMem, and ExclusiveIoMem.
- Driver:
- Switch from index-based to pointer-based device ID info lookup, storing
static references in driver_data. Centralize device ID handling in
device_id.rs, removing the open-coded ACPI/OF matching logic and duplicate
ID table from driver.rs.
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type for the
existing untyped case), create view types representing subregions of a
mapped I/O region, and add io_project!() for safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io) with a
blanket implementation, preventing implementers from overriding provided
methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile access, and
make Coherent implement Io via an I/O view type. Add IoSysMap as sum type
of Mmio and SysMem. Add copying methods (memcpy_{from,to}io()) and
read_val()/write_val() for typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!() for
primitives and copying methods for aggregates; drop the old macros.
Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro, remove
unused rule arguments, and use path fragments for alias destinations.
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers by
removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources.
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning type,
giving drivers explicit control over the allocation lifetime.
IrqVector embeds a resolved IrqRequest, making the conversion
infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX, PCI_IRQ_MSI,
or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline.
- Serdev:
- Add Rust abstractions for the serial device bus, including serdev::Driver
trait, serdev::Device wrapping struct serdev_device, and serdev::Adapter
implementing RegistrationOps. Includes a sample driver. Markus Probst
takes over as serdev maintainer for both C and Rust code.
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an unsafe
CovariantForLt subtrait guaranteeing covariance, enabling invariant types
(e.g. those containing Mutex<&'bound T>) to participate in the ForLt
abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef.
- misc:
- Avoid iattr allocation in kernfs listxattr by using kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark internal property
data as private for kernel-doc, and add property.h/fwnode.h to driver-api
infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h.
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Merge tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"container_of:
- Apply typeof_member(), remove the local __mptr variable to
eliminate variable shadowing warnings on nested container_of()
calls, and remove unnecessary parentheses
core:
- Add driver name to probe debug print for initcall_debug
- Avoid repeatedly printing the same 'Fixed dependency cycle' log
- Unwind device_add() on attribute creation failure in
attribute_container_add_class_device()
- Remove statistics group if encryption group creation fails in
transport_add_class_device()
debugfs:
- Fix lockdown check for mmap_prepare()
- Warn if file creation failed due to uninitialized debugfs
device property:
- Implement fw_devlink support for software nodes by adding
software_node_add_links(), which creates fwnode links from
DEV_PROP_REF properties to enable automatic probe ordering. Add
kunit-managed fwnode helpers and test coverage
- Fix infinite loop in fwnode_for_each_child_node() when the
secondary fwnode has more than one child. Add test cases
- Fix out-of-bounds access in software_node_get_reference_args() when
called with index -1 (UINT_MAX)
- Refactor to use RAII approach with __free()
- Add Bartosz Golaszewski as software node reviewer
firmware loader:
- Fix race where a sysfs fallback request can complete before being
queued as pending, leading to a use-after-free on the next fallback
request
- Reject 0-size built-in firmware and fail the build on empty
firmware files in CONFIG_EXTRA_FIRMWARE
kobject:
- Provide __KOBJ_ATTR() and __KOBJ_ATTR_RO/WO() initialization macros
and allow the constification of kobject attributes, enabling them
to reside in read-only memory
platform:
- Provide platform_device_set_of_node(), platform_device_set_fwnode(),
and platform_device_set_of_node_from_dev() helpers that encapsulate
firmware node reference counting for dynamically allocated platform
devices
Convert all in-tree users that manually assigned dev.of_node or
dev.fwnode, fixing a pre-existing refcount bug in powermac. Switch
to counting references of all firmware node types, not only OF
nodes
- Unify the release path for dynamically allocated platform devices
by removing platform_device_release_full(). Amend the fwnode setter
API contract to warn if a primary software node is overwritten. Add
KUnit tests for correct software node removal on device
unregistration
Rust:
- Auxiliary:
- Add registration_data_with() closure-based API for invariant
ForLt types
- Debugfs:
- Migrate BinaryWriter and BinaryReaderMut trait requirements
from kernel::transmute traits to zerocopy traits
- Device:
- Add BoundInternal device context and InternalBoundContext trait
for bus abstractions that need internal access to a bound
device.
- Make the lifetime on Core and CoreInternal invariant to prevent
coercion to shorter lifetimes
- Devres:
- Fix race between concurrent revokers where the losing revoker
could return before the winning revoker finished dropping the
inner data, causing use-after-free.
- Ensure revocation is complete before the device finishes
unbinding by making the synchronization bidirectional.
- Add DevresLt<F: ForLt>, a wrapper around Devres that shortens
'static back to the caller's borrow scope. Implement ForLt and
CovariantForLt for Bar, IoMem, and ExclusiveIoMem
- Driver:
- Switch from index-based to pointer-based device ID info lookup,
storing static references in driver_data. Centralize device ID
handling in device_id.rs, removing the open-coded ACPI/OF
matching logic and duplicate ID table from driver.rs
- I/O:
- Make I/O regions typed (with a dynamically-sized Region type
for the existing untyped case), create view types representing
subregions of a mapped I/O region, and add io_project!() for
safely creating subviews.
- Split Io into a base trait (IoBase) and an extension trait (Io)
with a blanket implementation, preventing implementers from
overriding provided methods that unsafe code relies on.
- Add a SysMem backend for shared system memory with volatile
access, and make Coherent implement Io via an I/O view type.
Add IoSysMap as sum type of Mmio and SysMem. Add copying
methods (memcpy_{from,to}io()) and read_val()/write_val() for
typed access.
- Replace dma_read!()/dma_write!() with io_read!()/io_write!()
for primitives and copying methods for aggregates; drop the old
macros. Convert nova-core to use I/O projection.
- Fix internal shortcut rule dispatch in the register!() macro,
remove unused rule arguments, and use path fragments for alias
destinations
- IRQ:
- Make irq::Registration compatible with lifetime-bound drivers
by removing the 'static bound on Handler/ThreadedHandler and
replacing Devres<RegistrationInner> with direct
request_irq()/free_irq() calls. Handlers can now directly own
lifetime-bound device resources
- PCI:
- Convert IrqVectorRegistration to a lifetime-annotated owning
type, giving drivers explicit control over the allocation
lifetime. IrqVector embeds a resolved IrqRequest, making the
conversion infallible. Remove the redundant
request_irq()/request_threaded_irq() wrappers from pci::Device.
- Add pci_irq_type() C helper and expose it via irq_type() on
IrqVectorRegistration and IrqVector, returning PCI_IRQ_MSIX,
PCI_IRQ_MSI, or PCI_IRQ_INTX.
- Mark pci::Device refcount methods inline
- Serdev:
- Add Rust abstractions for the serial device bus, including
serdev::Driver trait, serdev::Device wrapping struct
serdev_device, and serdev::Adapter implementing
RegistrationOps. Includes a sample driver. Markus Probst takes
over as serdev maintainer for both C and Rust code
- Misc:
- Split ForLt into a base trait (providing the Of<'a> GAT) and an
unsafe CovariantForLt subtrait guaranteeing covariance,
enabling invariant types (e.g. those containing Mutex<&'bound T>)
to participate in the ForLt abstraction.
- Fix Coherent read past EOF returning -ERANGE instead of zero.
- Fix firmware example UB by avoiding null-pointer ARef
misc:
- Avoid iattr allocation in kernfs listxattr by using
kernfs_iattrs_noalloc().
- Unregister SoC bus on early device registration failure.
- Remove unused DMA_FENCE_TRACE Kconfig symbol.
- Fix /sys/module path in comment.
- Refactor ISA bus init to remove nested blocks.
- Remove redundant nodemask clears in numa_init().
- Add kernel-doc for fwnode_operations and sys_soc.h, mark
internal property data as private for kernel-doc, and add
property.h/fwnode.h to driver-api infrastructure docs.
- Add MAINTAINERS entry for sys_soc.h"
* tag 'driver-core-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (129 commits)
rust: pci: expose the allocated interrupt type
PCI: Add pci_irq_type() to query the allocated interrupt type
rust: pci: remove request_irq() and request_threaded_irq() from Device
rust: pci: resolve IRQ in index() and embed IrqRequest in IrqVector
rust: pci: convert IrqVectorRegistration to a lifetime-managed owning type
kernfs: avoid iattr allocation in listxattr
rust: serdev: use ThisModule::as_ptr() instead of field access
ACPI/IORT: use platform_device_set_fwnode()
ACPI/APMT: use platform_device_set_fwnode()
firmware_loader: do not queue completed sysfs fallback requests
rust: pci: Mark Device refcount methods inline
rust: irq: make Registration compatible with lifetime-bound drivers
rust: net/phy: remove expansion from doc
rust: dma: return zero for Coherent reads past EOF
rust: io: register: use path fragment for alias destination
rust: io: register: remove unused rule arguments
rust: io: register: dispatch shortcut rules internally
MAINTAINERS: add sys_soc.h to DRIVER CORE
rust: debugfs: remove unsafe blocks from traits impl for Vec
rust: debugfs: migrate debugfs traits requirements to zerocopy
...
|
||
|
Linus Torvalds
|
c6cf4441a3 |
Devicetree updates for v7.3:
- Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmqA0pYACgkQ+vtdtY28 YcOGLRAAsSVfV1r7n9SmPQ246dRQeVkNo3ZAEFuqqeBzJjMNyVyYn4iCcwkYDhaY rRlRpanmhbooUJfRRpxpgIv8XwWOiha8eq9mojnbGfgq00/8BEnD16A7bwNDaxsf /IUVKYQs8x7AK3nGLXvJ2BXQZzAZCnwylnsW6Pbkhns3xuc3lED4BGRRRsPH4T77 lMh2cA8JjeaY9sC/6aosTg1342nj+QpC2qJOfd2ONsWCKKD3zYAWWVFpj17J4o3d XDpLIjR1X6aOKoWOMDqmjnC/vwQ3Zzmz84zfArb4bl0O9A/ENQ1XYuNJ5tohxWd0 LfWMOD6dUIaquuoRUSvWrnafgSqumjTYzLZeK5KLDT2xqAnBO3sfizjFq9c4AHO8 TkU74DZiIGH2VCGCQtm7v5gZGbGKJ0g2TndCbQhEa/OyvaNfZpItGJWCHY3kg5xd Wn60sk1L/HnwItwGH47xxeksc1TiuhqH3zfr4ztj9fenUnuLtmkjdhu8wZGjpYFq 2Jf2KIUJov4WLN6cyP51vf5L1+OoaSfZ/6nuaO+9bAa/j+GQiZpRQI95yEOcXBd/ QbAL1tA8w9IRpN/bZ5l+Hw9ZO9Q1hpLTV92xqOPvVDXvDR7xi/7R4dvRm86m9IcT FTtNLLkz76V0DTqgHWfNtwxulYa69NrZjtD+VooVw1BWMo8ExmQ= =54fa -----END PGP SIGNATURE----- Merge tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Add a DT maintainer profile document - Various dt-check-style improvements - Add a devres managed reserved memory region init function - Print node name on any skipped reserved memory regions - Correctly handle optional argument in of_parse_phandle_with_args_map() - Convert ti,keystone-reset, ti,da850-vpif, TI L4 interconnect, TI SmartReflex, microchip,pic32mzda-dmt, microchip,pic32mzda-wdt, TI DA8XX MSTPRI bus, and Xen VM bindings to DT schema format - Add bindings for StarFive JHB100 plic, Allwinner A733 NMI controller, MediaTek MT8173 GPU, QCom Shikra, Eliza, and Maili cpu-bwmon, and QCom Shikra SCM firmware - A couple of syntax fixes found using PoC Rust implementation of dtschema tools - Clean-ups for typos, brackets, incorrect "::" usages, and white-space style * tag 'devicetree-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (40 commits) dt-bindings: interconnect: qcom-bwmon: Add Maili cpu-bwmon compatible dtc: dt-check-style: Simplify setting depth of DtsLine dtc: dt-check-style: Add missing /dts-v1/ to few test cases dt-bindings: power: reset: ti,keystone-reset: Convert to DT schema media: dt-bindings: ti,da850-vpif: Convert to dt-schema dt-bindings: devfreq: samsung,exynos-ppmu: Use standard regex syntax dt-bindings: interrupt-controller: mediatek,mt6577-sysirq: Drop invalid JSON pointer dt-bindings: arm: omap: Convert L4 interconnect to DT schema dt-bindings: power: Convert TI SmartReflex to DT schema of: reserved_mem: Introduce devres-managed initialization function dt-bindings: interrupt-controller: Add StarFive JHB100 plic dt-bindings: irq: sun7i-nmi: Document the Allwinner A733 NMI controller dt-bindings: Correct white-space style dt-bindings: fix typos and brackets docs: dt: submitting-patches: Mention expectation about dt-check-style docs: dt: maintainer: Add Devicetree and OF maintainer profile document docs: dt: writing-schema: Extend expectations about example part of binding dt-bindings: gpu: powervr-rogue: Add MediaTek MT8173 GPU of: base: Handle optional argument in of_parse_phandle_with_args_map() dt-bindings: update Sudeep Holla's email address ... |
||
|
Linus Torvalds
|
f4cdf7ca9a |
[GIT PULL for v7.3] media updates
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAmqFXqYACgkQCF8+vY7k 4RWNtw//T8GAlfl1BDlqxcWQHPFLkGqogsZQUx8aITayUBXpOzWHK4neGM7QF2Za 9kmBi3OzWgW3hIfbW4/vQCBSdDmTLSjoYHjYsc2Y3Cr0RvxIoEFw0GILYzygE3gp y9sUFHs2S43Xh1n3LuTcu0woL8YcY/3SaMrvEA6uoSGmOETiIUIuNkLpUAOEWhrl hkpRHt160yFiADSr8Ve9435xnkf5GvC0rmf/jF/KSUuNXrQuEx+5LIWzmadQRhph 2o+LuOJClKenglguU+yMA/DNEJuxxT1LOUgEiw05U2I03N8DqpiCO8Mpp2/l0iXH fgYFpObz6LdkusUSePamR2XaA3+ViNM48ddg1xmo+1gYQ/ggipsVVWifZpGFs2hq lbHEPV2Va/hlVj5EZJh4E6PHzH3UkGii2zgiHw0W3XWtTXS/qVlRjQwlo4aZTKok KPlOCNY69XADqOCmSB+kEmuCULfqoiJChk0qeRJX+kETc7gT+Qx4Ej0WT9LdF+NV 7+gxMOgUJFuTr1HkhO5ZXWezikBsJUvLUFud8mV+4iAJldby23I4UEXUEPK7od+W 8RXyWvf9/0owE2E3dOqkoM2sz2WW17nWZe8bPV+NTX39qw5WBOpaPpZGxVzOWinS KUTHJkp/O/1ymWtMz4+B+8QTO7n6KUnVDdL4qkO8cOrJGZizxoU= =8fcn -----END PGP SIGNATURE----- Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... |
||
|
Linus Torvalds
|
e5c91aac49 |
sound updates for 7.3-rc1
It was a fairly busy development cycle -- the changes spread over from
the core side to leaf drivers, with lots of cleanups and enhancements.
Here we go, some highlights:
* ALSA core:
- Extension of ALSA control component list ABI
- Locking optimization and RCU conversion of ALSA sequencer core
- A few hardening fixes for UMP and sequencer core
- Drop __bitwise and __force prefix from UAPI definitions
* ASoC:
- Automatic DAI format selection code deployment across many drivers
- Sorting of register default tables to prevent ordering issues in
many drivers
- Lots of code cleanups and refactoring
- Updates in Qualcomm driver stack
- New platforms: AMD ACP7.B/F, Cirrus Logic CS35L62, Loongson 2K0300,
Meson GX, Qualcomm LPI MI2S, SM8475, WSA855X, Realtek RT1321 VA1/2
and RT766/7
* HD-audio:
- Support for AW88399 HD-audio side codec for Lenovo Legion laptops
- Support for Hygon and Lisuan HDMI controllers
- Robustness fixes for wild device binding
- Lots of quirks/fixups: Realtek and Conexant codecs for ASUS, Lenovo,
Acer, etc
* USB-audio:
- Support for Pioneer DJ DJM-S11
- Scarlett2/FCP private URB notification fixes
- Extended quirk_flags to 64bit
- Hardening fixes for 6fire, bcd2000, usx2y
- Device-specific quirks for Mackie, Valeton, SPACETOUCH
* General:
- Auto-cleanup for put_device() and firmware loading across multiple
platforms
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Merge tag 'sound-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was a fairly busy development cycle - the changes spread over from
the core side to leaf drivers, with lots of cleanups and enhancements.
Here we go, some highlights:
ALSA core:
- Extension of ALSA control component list ABI
- Locking optimization and RCU conversion of ALSA sequencer core
- A few hardening fixes for UMP and sequencer core
- Drop __bitwise and __force prefix from UAPI definitions
ASoC:
- Automatic DAI format selection code deployment across many drivers
- Sorting of register default tables to prevent ordering issues in
many drivers
- Lots of code cleanups and refactoring
- Updates in Qualcomm driver stack
- New platforms: AMD ACP7.B/F, Cirrus Logic CS35L62, Loongson
2K0300, Meson GX, Qualcomm LPI MI2S, SM8475, WSA855X, Realtek
RT1321 VA1/2 and RT766/7
HD-audio:
- Support for AW88399 HD-audio side codec for Lenovo Legion laptops
- Support for Hygon and Lisuan HDMI controllers
- Robustness fixes for wild device binding
- Lots of quirks/fixups: Realtek and Conexant codecs for ASUS,
Lenovo, Acer, etc
USB-audio:
- Support for Pioneer DJ DJM-S11
- Scarlett2/FCP private URB notification fixes
- Extended quirk_flags to 64bit
- Hardening fixes for 6fire, bcd2000, usx2y
- Device-specific quirks for Mackie, Valeton, SPACETOUCH
General:
- Auto-cleanup for put_device() and firmware loading across multiple
platforms"
* tag 'sound-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (791 commits)
ALSA: hda: Fix connection list comparison in proc output
ALSA: docs: fix dead link to Intel HD-audio spec
ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio
ALSA: hda: Add Lisuan HDMI controller and codec support
ALSA: hda/realtek: Fix Lenovo Yoga Slim 7 14AKP10 quirk ordering
ALSA: hda/tas2781: Add hardware stabilization delay during firmware load retries
ALSA: hda/realtek: Fix mute LED for HP Victus 15-fa1xxx (MB 8C3F)
ALSA: hda/realtek: Add micmute LED quirk for Acer Aspire A515-57
ASoC: tas2783-sdw: do not treat read-only Controls as writable
ASoC: SOF: validate topology volume range before allocation
ASoC: cs35l56: Use IRQ provided by the SoundWire core
soundwire: bus_type: Create IRQ mapping before calling driver probe()
ASoC: cs35l56: Move cs35l56_irq_request() after cs35l56_irq()
ASoC: cs35l56: Request IRQ in cs35l56_common_probe()
ALSA: core: Fix use-after-free in snd_card_do_free()
ALSA: hda/realtek: Drop duplicate quirk for Lenovo 0x17aa:0x38df
ALSA: usb-audio: Rename the Audient iD14 monitor mix volume control
ASoC: tas2781: Refactor calibration start kcontrol creation to separate helper
ASoC: dt-bindings: es8316: Fix supply property constraints
ALSA: seq: midi: Serialize input teardown with event_input
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