3ac00a2ab69b34189942afa9e862d5170cdcb018
35030 Commits
| Author | SHA1 | Message | Date | |
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Linus Torvalds
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86e98ed15b |
Merge tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: - cpuset changes including the fix for an incorrect interaction with CPU hotplug and an optimization - Other doc and cosmetic changes * tag 'cgroup-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs: cgroup-v1/cpusets: update libcgroup project link cgroup/cpuset: Minor updates to test_cpuset_prs.sh cgroup/cpuset: Include offline CPUs when tasks' cpumasks in top_cpuset are updated cgroup/cpuset: Skip task update if hotplug doesn't affect current cpuset cpuset: Clean up cpuset_node_allowed cgroup: bpf: use cgroup_lock()/cgroup_unlock() wrappers |
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Linus Torvalds
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89d77f71f4 |
Merge tag 'riscv-for-linus-6.4-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt: - Support for runtime detection of the Svnapot extension - Support for Zicboz when clearing pages - We've moved to GENERIC_ENTRY - Support for !MMU on rv32 systems - The linear region is now mapped via huge pages - Support for building relocatable kernels - Support for the hwprobe interface - Various fixes and cleanups throughout the tree * tag 'riscv-for-linus-6.4-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (57 commits) RISC-V: hwprobe: Explicity check for -1 in vdso init RISC-V: hwprobe: There can only be one first riscv: Allow to downgrade paging mode from the command line dt-bindings: riscv: add sv57 mmu-type RISC-V: hwprobe: Remove __init on probe_vendor_features() riscv: Use --emit-relocs in order to move .rela.dyn in init riscv: Check relocations at compile time powerpc: Move script to check relocations at compile time in scripts/ riscv: Introduce CONFIG_RELOCATABLE riscv: Move .rela.dyn outside of init to avoid empty relocations riscv: Prepare EFI header for relocatable kernels riscv: Unconditionnally select KASAN_VMALLOC if KASAN riscv: Fix ptdump when KASAN is enabled riscv: Fix EFI stub usage of KASAN instrumented strcmp function riscv: Move DTB_EARLY_BASE_VA to the kernel address space riscv: Rework kasan population functions riscv: Split early and final KASAN population functions riscv: Use PUD/P4D/PGD pages for the linear mapping riscv: Move the linear mapping creation in its own function riscv: Get rid of riscv_pfn_base variable ... |
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Linus Torvalds
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70cc1b5307 |
Merge tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman: - Add support for building the kernel using PC-relative addressing on Power10. - Allow HV KVM guests on Power10 to use prefixed instructions. - Unify support for the P2020 CPU (85xx) into a single machine description. - Always build the 64-bit kernel with 128-bit long double. - Drop support for several obsolete 2000's era development boards as identified by Paul Gortmaker. - A series fixing VFIO on Power since some generic changes. - Various other small features and fixes. Thanks to Alexey Kardashevskiy, Andrew Donnellan, Benjamin Gray, Bo Liu, Christophe Leroy, Dan Carpenter, David Binderman, Ira Weiny, Joel Stanley, Kajol Jain, Kautuk Consul, Liang He, Luis Chamberlain, Masahiro Yamada, Michael Neuling, Nathan Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Nick Desaulniers, Nysal Jan K.A, Pali Rohár, Paul Gortmaker, Paul Mackerras, Petr Vaněk, Randy Dunlap, Rob Herring, Sachin Sant, Sean Christopherson, Segher Boessenkool, and Timothy Pearson. * tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (156 commits) powerpc/64s: Disable pcrel code model on Clang powerpc: Fix merge conflict between pcrel and copy_thread changes powerpc/configs/powernv: Add IGB=y powerpc/configs/64s: Drop JFS Filesystem powerpc/configs/64s: Use EXT4 to mount EXT2 filesystems powerpc/configs: Make pseries_defconfig an alias for ppc64le_guest powerpc/configs: Make pseries_le an alias for ppc64le_guest powerpc/configs: Incorporate generic kvm_guest.config into guest configs powerpc/configs: Add IBMVETH=y and IBMVNIC=y to guest configs powerpc/configs/64s: Enable Device Mapper options powerpc/configs/64s: Enable PSTORE powerpc/configs/64s: Enable VLAN support powerpc/configs/64s: Enable BLK_DEV_NVME powerpc/configs/64s: Drop REISERFS powerpc/configs/64s: Use SHA512 for module signatures powerpc/configs/64s: Enable IO_STRICT_DEVMEM powerpc/configs/64s: Enable SCHEDSTATS powerpc/configs/64s: Enable DEBUG_VM & other options powerpc/configs/64s: Enable EMULATED_STATS powerpc/configs/64s: Enable KUNIT and most tests ... |
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Linus Torvalds
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5ea8abf589 |
Merge tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tools updates from Steven Rostedt: - Add auto-analysis only option to rtla/timerlat Add an --aa-only option to the tooling to perform only the auto analysis and not to parse and format the data. - Other minor fixes and clean ups * tag 'trace-tools-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/timerlat: Fix "Previous IRQ" auto analysis' line rtla/timerlat: Add auto-analysis only option rv: Remove redundant assignment to variable retval rv: Fix addition on an uninitialized variable 'run' rtla: Add .gitignore file |
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Linus Torvalds
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d579c468d7 |
Merge tag 'trace-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt: - User events are finally ready! After lots of collaboration between various parties, we finally locked down on a stable interface for user events that can also work with user space only tracing. This is implemented by telling the kernel (or user space library, but that part is user space only and not part of this patch set), where the variable is that the application uses to know if something is listening to the trace. There's also an interface to tell the kernel about these events, which will show up in the /sys/kernel/tracing/events/user_events/ directory, where it can be enabled. When it's enabled, the kernel will update the variable, to tell the application to start writing to the kernel. See https://lwn.net/Articles/927595/ - Cleaned up the direct trampolines code to simplify arm64 addition of direct trampolines. Direct trampolines use the ftrace interface but instead of jumping to the ftrace trampoline, applications (mostly BPF) can register their own trampoline for performance reasons. - Some updates to the fprobe infrastructure. fprobes are more efficient than kprobes, as it does not need to save all the registers that kprobes on ftrace do. More work needs to be done before the fprobes will be exposed as dynamic events. - More updates to references to the obsolete path of /sys/kernel/debug/tracing for the new /sys/kernel/tracing path. - Add a seq_buf_do_printk() helper to seq_bufs, to print a large buffer line by line instead of all at once. There are users in production kernels that have a large data dump that originally used printk() directly, but the data dump was larger than what printk() allowed as a single print. Using seq_buf() to do the printing fixes that. - Add /sys/kernel/tracing/touched_functions that shows all functions that was every traced by ftrace or a direct trampoline. This is used for debugging issues where a traced function could have caused a crash by a bpf program or live patching. - Add a "fields" option that is similar to "raw" but outputs the fields of the events. It's easier to read by humans. - Some minor fixes and clean ups. * tag 'trace-v6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (41 commits) ring-buffer: Sync IRQ works before buffer destruction tracing: Add missing spaces in trace_print_hex_seq() ring-buffer: Ensure proper resetting of atomic variables in ring_buffer_reset_online_cpus recordmcount: Fix memory leaks in the uwrite function tracing/user_events: Limit max fault-in attempts tracing/user_events: Prevent same address and bit per process tracing/user_events: Ensure bit is cleared on unregister tracing/user_events: Ensure write index cannot be negative seq_buf: Add seq_buf_do_printk() helper tracing: Fix print_fields() for __dyn_loc/__rel_loc tracing/user_events: Set event filter_type from type ring-buffer: Clearly check null ptr returned by rb_set_head_page() tracing: Unbreak user events tracing/user_events: Use print_format_fields() for trace output tracing/user_events: Align structs with tabs for readability tracing/user_events: Limit global user_event count tracing/user_events: Charge event allocs to cgroups tracing/user_events: Update documentation for ABI tracing/user_events: Use write ABI in example tracing/user_events: Add ABI self-test ... |
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Linus Torvalds
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2aff7c706c |
Merge tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- Mark arch_cpu_idle_dead() __noreturn, make all architectures &
drivers that did this inconsistently follow this new, common
convention, and fix all the fallout that objtool can now detect
statically
- Fix/improve the ORC unwinder becoming unreliable due to
UNWIND_HINT_EMPTY ambiguity, split it into UNWIND_HINT_END_OF_STACK
and UNWIND_HINT_UNDEFINED to resolve it
- Fix noinstr violations in the KCSAN code and the lkdtm/stackleak code
- Generate ORC data for __pfx code
- Add more __noreturn annotations to various kernel startup/shutdown
and panic functions
- Misc improvements & fixes
* tag 'objtool-core-2023-04-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
x86/hyperv: Mark hv_ghcb_terminate() as noreturn
scsi: message: fusion: Mark mpt_halt_firmware() __noreturn
x86/cpu: Mark {hlt,resume}_play_dead() __noreturn
btrfs: Mark btrfs_assertfail() __noreturn
objtool: Include weak functions in global_noreturns check
cpu: Mark nmi_panic_self_stop() __noreturn
cpu: Mark panic_smp_self_stop() __noreturn
arm64/cpu: Mark cpu_park_loop() and friends __noreturn
x86/head: Mark *_start_kernel() __noreturn
init: Mark start_kernel() __noreturn
init: Mark [arch_call_]rest_init() __noreturn
objtool: Generate ORC data for __pfx code
x86/linkage: Fix padding for typed functions
objtool: Separate prefix code from stack validation code
objtool: Remove superfluous dead_end_function() check
objtool: Add symbol iteration helpers
objtool: Add WARN_INSN()
scripts/objdump-func: Support multiple functions
context_tracking: Fix KCSAN noinstr violation
objtool: Add stackleak instrumentation to uaccess safe list
...
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Linus Torvalds
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22b8cc3e78 |
Merge tag 'x86_mm_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 LAM (Linear Address Masking) support from Dave Hansen: "Add support for the new Linear Address Masking CPU feature. This is similar to ARM's Top Byte Ignore and allows userspace to store metadata in some bits of pointers without masking it out before use" * tag 'x86_mm_for_6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/iommu/sva: Do not allow to set FORCE_TAGGED_SVA bit from outside x86/mm/iommu/sva: Fix error code for LAM enabling failure due to SVA selftests/x86/lam: Add test cases for LAM vs thread creation selftests/x86/lam: Add ARCH_FORCE_TAGGED_SVA test cases for linear-address masking selftests/x86/lam: Add inherit test cases for linear-address masking selftests/x86/lam: Add io_uring test cases for linear-address masking selftests/x86/lam: Add mmap and SYSCALL test cases for linear-address masking selftests/x86/lam: Add malloc and tag-bits test cases for linear-address masking x86/mm/iommu/sva: Make LAM and SVA mutually exclusive iommu/sva: Replace pasid_valid() helper with mm_valid_pasid() mm: Expose untagging mask in /proc/$PID/status x86/mm: Provide arch_prctl() interface for LAM x86/mm: Reduce untagged_addr() overhead for systems without LAM x86/uaccess: Provide untagged_addr() and remove tags before address check mm: Introduce untagged_addr_remote() x86/mm: Handle LAM on context switch x86: CPUID and CR3/CR4 flags for Linear Address Masking x86: Allow atomic MM_CONTEXT flags setting x86/mm: Rework address range check in get_user() and put_user() |
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Linus Torvalds
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33afd4b763 |
Merge tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton: "Mainly singleton patches all over the place. Series of note are: - updates to scripts/gdb from Glenn Washburn - kexec cleanups from Bjorn Helgaas" * tag 'mm-nonmm-stable-2023-04-27-16-01' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (50 commits) mailmap: add entries for Paul Mackerras libgcc: add forward declarations for generic library routines mailmap: add entry for Oleksandr ocfs2: reduce ioctl stack usage fs/proc: add Kthread flag to /proc/$pid/status ia64: fix an addr to taddr in huge_pte_offset() checkpatch: introduce proper bindings license check epoll: rename global epmutex scripts/gdb: add GDB convenience functions $lx_dentry_name() and $lx_i_dentry() scripts/gdb: create linux/vfs.py for VFS related GDB helpers uapi/linux/const.h: prefer ISO-friendly __typeof__ delayacct: track delays from IRQ/SOFTIRQ scripts/gdb: timerlist: convert int chunks to str scripts/gdb: print interrupts scripts/gdb: raise error with reduced debugging information scripts/gdb: add a Radix Tree Parser lib/rbtree: use '+' instead of '|' for setting color. proc/stat: remove arch_idle_time() checkpatch: check for misuse of the link tags checkpatch: allow Closes tags with links ... |
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Linus Torvalds
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7fa8a8ee94 |
Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
switching from a user process to a kernel thread.
- More folio conversions from Kefeng Wang, Zhang Peng and Pankaj
Raghav.
- zsmalloc performance improvements from Sergey Senozhatsky.
- Yue Zhao has found and fixed some data race issues around the
alteration of memcg userspace tunables.
- VFS rationalizations from Christoph Hellwig:
- removal of most of the callers of write_one_page()
- make __filemap_get_folio()'s return value more useful
- Luis Chamberlain has changed tmpfs so it no longer requires swap
backing. Use `mount -o noswap'.
- Qi Zheng has made the slab shrinkers operate locklessly, providing
some scalability benefits.
- Keith Busch has improved dmapool's performance, making part of its
operations O(1) rather than O(n).
- Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd,
permitting userspace to wr-protect anon memory unpopulated ptes.
- Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive
rather than exclusive, and has fixed a bunch of errors which were
caused by its unintuitive meaning.
- Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature,
which causes minor faults to install a write-protected pte.
- Vlastimil Babka has done some maintenance work on vma_merge():
cleanups to the kernel code and improvements to our userspace test
harness.
- Cleanups to do_fault_around() by Lorenzo Stoakes.
- Mike Rapoport has moved a lot of initialization code out of various
mm/ files and into mm/mm_init.c.
- Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for
DRM, but DRM doesn't use it any more.
- Lorenzo has also coverted read_kcore() and vread() to use iterators
and has thereby removed the use of bounce buffers in some cases.
- Lorenzo has also contributed further cleanups of vma_merge().
- Chaitanya Prakash provides some fixes to the mmap selftesting code.
- Matthew Wilcox changes xfs and afs so they no longer take sleeping
locks in ->map_page(), a step towards RCUification of pagefaults.
- Suren Baghdasaryan has improved mmap_lock scalability by switching to
per-VMA locking.
- Frederic Weisbecker has reworked the percpu cache draining so that it
no longer causes latency glitches on cpu isolated workloads.
- Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig
logic.
- Liu Shixin has changed zswap's initialization so we no longer waste a
chunk of memory if zswap is not being used.
- Yosry Ahmed has improved the performance of memcg statistics
flushing.
- David Stevens has fixed several issues involving khugepaged,
userfaultfd and shmem.
- Christoph Hellwig has provided some cleanup work to zram's IO-related
code paths.
- David Hildenbrand has fixed up some issues in the selftest code's
testing of our pte state changing.
- Pankaj Raghav has made page_endio() unneeded and has removed it.
- Peter Xu contributed some rationalizations of the userfaultfd
selftests.
- Yosry Ahmed has fixed an issue around memcg's page recalim
accounting.
- Chaitanya Prakash has fixed some arm-related issues in the
selftests/mm code.
- Longlong Xia has improved the way in which KSM handles hwpoisoned
pages.
- Peter Xu fixes a few issues with uffd-wp at fork() time.
- Stefan Roesch has changed KSM so that it may now be used on a
per-process and per-cgroup basis.
* tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits)
mm,unmap: avoid flushing TLB in batch if PTE is inaccessible
shmem: restrict noswap option to initial user namespace
mm/khugepaged: fix conflicting mods to collapse_file()
sparse: remove unnecessary 0 values from rc
mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area()
hugetlb: pte_alloc_huge() to replace huge pte_alloc_map()
maple_tree: fix allocation in mas_sparse_area()
mm: do not increment pgfault stats when page fault handler retries
zsmalloc: allow only one active pool compaction context
selftests/mm: add new selftests for KSM
mm: add new KSM process and sysfs knobs
mm: add new api to enable ksm per process
mm: shrinkers: fix debugfs file permissions
mm: don't check VMA write permissions if the PTE/PMD indicates write permissions
migrate_pages_batch: fix statistics for longterm pin retry
userfaultfd: use helper function range_in_vma()
lib/show_mem.c: use for_each_populated_zone() simplify code
mm: correct arg in reclaim_pages()/reclaim_clean_pages_from_list()
fs/buffer: convert create_page_buffers to folio_create_buffers
fs/buffer: add folio_create_empty_buffers helper
...
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Linus Torvalds
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513f17f8d6 |
Merge tag 'sh-for-v6.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz: "This is a bit larger than my previous one and mainly consists of clean-up work in the arch/sh directory by Geert Uytterhoeven and Randy Dunlap. Additionally, this fixes a bug in the Storage Queue code that was discovered while I was reviewing a patch to switch the code to the bitmap API by Christophe Jaillet. So this contains both a fix for the original bug in the Storage Queue code that can be backported later as well as the Christophe's patch to swich the code to the bitmap API. Summary: - Use generic GCC library routines - sq: Use the bitmap API when applicable - sq: Fix incorrect element size for allocating bitmap buffer - pci: Remove unused variable in SH-7786 PCI Express code - mcount.S: fix build error when PRINTK is not enabled - remove sh5/sh64 last fragments - math-emu: fix macro redefined warning - init: use OF_EARLY_FLATTREE for early init - nmi_debug: fix return value of __setup handler - SH2007: drop the bad URL info" * tag 'sh-for-v6.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux: sh: Replace <uapi/asm/types.h> by <asm-generic/int-ll64.h> sh: Use generic GCC library routines sh: sq: Use the bitmap API when applicable sh: sq: Fix incorrect element size for allocating bitmap buffer sh: pci: Remove unused variable in SH-7786 PCI Express code sh: mcount.S: fix build error when PRINTK is not enabled sh: remove sh5/sh64 last fragments sh: math-emu: fix macro redefined warning sh: init: use OF_EARLY_FLATTREE for early init sh: nmi_debug: fix return value of __setup handler sh: SH2007: drop the bad URL info |
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Linus Torvalds
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8ccd54fe45 |
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: "virtio,vhost,vdpa: features, fixes, and cleanups: - reduction in interrupt rate in virtio - perf improvement for VDUSE - scalability for vhost-scsi - non power of 2 ring support for packed rings - better management for mlx5 vdpa - suspend for snet - VIRTIO_F_NOTIFICATION_DATA - shared backend with vdpa-sim-blk - user VA support in vdpa-sim - better struct packing for virtio and fixes, cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (52 commits) vhost_vdpa: fix unmap process in no-batch mode MAINTAINERS: make me a reviewer of VIRTIO CORE AND NET DRIVERS tools/virtio: fix build caused by virtio_ring changes virtio_ring: add a struct device forward declaration vdpa_sim_blk: support shared backend vdpa_sim: move buffer allocation in the devices vdpa/snet: use likely/unlikely macros in hot functions vdpa/snet: implement kick_vq_with_data callback virtio-vdpa: add VIRTIO_F_NOTIFICATION_DATA feature support virtio: add VIRTIO_F_NOTIFICATION_DATA feature support vdpa/snet: support the suspend vDPA callback vdpa/snet: support getting and setting VQ state MAINTAINERS: add vringh.h to Virtio Core and Net Drivers vringh: address kdoc warnings vdpa: address kdoc warnings virtio_ring: don't update event idx on get_buf vdpa_sim: add support for user VA vdpa_sim: replace the spinlock with a mutex to protect the state vdpa_sim: use kthread worker vdpa_sim: make devices agnostic for work management ... |
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Linus Torvalds
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556eb8b791 |
Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH: "Here is the large set of driver core changes for 6.4-rc1. Once again, a busy development cycle, with lots of changes happening in the driver core in the quest to be able to move "struct bus" and "struct class" into read-only memory, a task now complete with these changes. This will make the future rust interactions with the driver core more "provably correct" as well as providing more obvious lifetime rules for all busses and classes in the kernel. The changes required for this did touch many individual classes and busses as many callbacks were changed to take const * parameters instead. All of these changes have been submitted to the various subsystem maintainers, giving them plenty of time to review, and most of them actually did so. Other than those changes, included in here are a small set of other things: - kobject logging improvements - cacheinfo improvements and updates - obligatory fw_devlink updates and fixes - documentation updates - device property cleanups and const * changes - firwmare loader dependency fixes. All of these have been in linux-next for a while with no reported problems" * tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits) device property: make device_property functions take const device * driver core: update comments in device_rename() driver core: Don't require dynamic_debug for initcall_debug probe timing firmware_loader: rework crypto dependencies firmware_loader: Strip off \n from customized path zram: fix up permission for the hot_add sysfs file cacheinfo: Add use_arch[|_cache]_info field/function arch_topology: Remove early cacheinfo error message if -ENOENT cacheinfo: Check cache properties are present in DT cacheinfo: Check sib_leaf in cache_leaves_are_shared() cacheinfo: Allow early level detection when DT/ACPI info is missing/broken cacheinfo: Add arm64 early level initializer implementation cacheinfo: Add arch specific early level initializer tty: make tty_class a static const structure driver core: class: remove struct class_interface * from callbacks driver core: class: mark the struct class in struct class_interface constant driver core: class: make class_register() take a const * driver core: class: mark class_release() as taking a const * driver core: remove incorrect comment for device_create* MIPS: vpe-cmp: remove module owner pointer from struct class usage. ... |
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Linus Torvalds
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34da76dca4 |
Merge tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina: - import a bunch of HID selftests from out-of-tree hid-tools project (Benjamin Tissoires) - drastically reducing Bluetooth disconnects on hid-nintendo driven devices (Daniel J. Ogorchock) - lazy initialization of battery interfaces in wacom driver (Jason Gerecke) - generic support for all Kye tablets (David Yang) - proper rumble queue overrun handling in hid-nintendo (Daniel J. Ogorchock) - support for ADC measurement in logitech-hidpp driver (Bastien Nocera) - reset GPIO support in i2c-hid (Hans de Goede) - improved handling of generic "Digitizer" usage (Jason Gerecke) - support for KEY_CAMERA_FOCUS (Feng Qi) - quirks for Apple Geyser 3 and Apple Geyser 4 (Alex Henrie) - assorted functional fixes and device ID additions * tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (54 commits) HID: amd_sfh: Fix max supported HID devices HID: wacom: generic: Set battery quirk only when we see battery data HID: wacom: Lazy-init batteries HID: Ignore battery for ELAN touchscreen on ROG Flow X13 GV301RA HID: asus: explicitly include linux/leds.h HID: lg-g15: explicitly include linux/leds.h HID: steelseries: explicitly include linux/leds.h HID: apple: Set the tilde quirk flag on the Geyser 3 HID: apple: explicitly include linux/leds.h HID: mcp2221: fix get and get_direction for gpio HID: mcp2221: fix report layout for gpio get HID: wacom: Set a default resolution for older tablets HID: i2c-hid-of: Add reset GPIO support to i2c-hid-of HID: i2c-hid-of: Allow using i2c-hid-of on non OF platforms HID: i2c-hid-of: Consistenly use dev local variable in probe() HID: kye: Fix rdesc for kye tablets HID: amd_sfh: Support for additional light sensor HID: amd_sfh: Handle "no sensors" enabled for SFH1.1 HID: amd_sfh: Increase sensor command timeout for SFH1.1 HID: amd_sfh: Correct the stop all command ... |
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Linus Torvalds
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1c15ca4e4e |
Merge tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"At this time, it's an interesting mixture of changes for both old and
new stuff. Majority of changes are about ASoC (lots of systematic
changes for converting remove callbacks to void, and cleanups), while
we got the fixes and the enhancements of very old PCI cards, too.
Here are some highlights:
ALSA/ASoC Core:
- Continued effort of more ASoC core cleanups
- Minor improvements for XRUN handling in indirect PCM helpers
- Code refactoring of PCM core code
ASoC:
- Continued feature and simplification work on SOF, including
addition of a no-DSP mode for bringup, HDA MLink and extensions to
the IPC4 protocol
- Hibernation support for CS35L45
- More DT binding conversions
- Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363,
nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas
R-Car Gen4, Rockchip RK3588 and TI TAS5733
ALSA:
- Lots of works for legacy emu10k1 and ymfpci PCI drivers
- PCM kselftest fixes and enhancements"
* tag 'sound-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (586 commits)
ALSA: emu10k1: use high-level I/O in set_filterQ()
ALSA: emu10k1: use high-level I/O functions also during init
ALSA: emu10k1: fix error handling in snd_audigy_i2c_volume_put()
ALSA: emu10k1: don't stop DSP in _snd_emu10k1_{,audigy_}init_efx()
ALSA: emu10k1: fix SNDRV_EMU10K1_IOCTL_SINGLE_STEP
ALSA: emu10k1: skip Sound Blaster-specific hacks for E-MU cards
ALSA: emu10k1: fixup DSP defines
ALSA: emu10k1: pull in some register definitions from kX-project
ALSA: emu10k1: remove some bogus defines
ALSA: emu10k1: eliminate some unused defines
ALSA: emu10k1: fix lineup of EMU_HANA_* defines
ALSA: emu10k1: comment updates
ALSA: emu10k1: fix snd_emu1010_fpga_read() input masking for rev2 cards
ALSA: emu10k1: remove unused emu->pcm_playback_efx_substream field
ALSA: emu10k1: remove unused `resume` parameter from snd_emu10k1_init()
ALSA: emu10k1: minor optimizations
ALSA: emu10k1: remove remaining cruft from snd_emu10k1_emu1010_init()
ALSA: emu10k1: remove apparently pointless EMU_HANA_OPTION_CARDS reads
ALSA: emu10k1: remove apparently pointless FPGA reads
ALSA: emu10k1: stop doing weird things with HCFG in snd_emu10k1_emu1010_init()
...
|
||
|
Linus Torvalds
|
6df969b77e |
Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Two series:
- Reorganize how the hardware page table objects are managed,
particularly their destruction flow. Increase the selftest test
coverage in this area by creating a more complete mock iommu
driver.
This is preparation to add a replace operation for HWPT binding,
which is done but waiting for the VFIO parts to complete so there
is a user.
- Split the iommufd support for "access" to make it two step -
allocate an access then link it to an IOAS. Update VFIO and have
VFIO always create an access even for the VFIO mdevs that never do
DMA.
This is also preperation for the replace VFIO series that will
allow replace to work on access types as well.
Three minor fixes:
- Sykzaller found the selftest code didn't check for overflow when
processing user VAs
- smatch noted a .data item should have been static
- Add a selftest that reproduces a syzkaller bug for batch carry
already fixed in rc"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (21 commits)
iommufd/selftest: Cover domain unmap with huge pages and access
iommufd/selftest: Set varaiable mock_iommu_device storage-class-specifier to static
vfio: Check the presence for iommufd callbacks in __vfio_register_dev()
vfio/mdev: Uses the vfio emulated iommufd ops set in the mdev sample drivers
vfio-iommufd: Make vfio_iommufd_emulated_bind() return iommufd_access ID
vfio-iommufd: No need to record iommufd_ctx in vfio_device
iommufd: Create access in vfio_iommufd_emulated_bind()
iommu/iommufd: Pass iommufd_ctx pointer in iommufd_get_ioas()
iommufd/selftest: Catch overflow of uptr and length
iommufd/selftest: Add a selftest for iommufd_device_attach() with a hwpt argument
iommufd/selftest: Make selftest create a more complete mock device
iommufd/selftest: Rename the remaining mock device_id's to stdev_id
iommufd/selftest: Rename domain_id to hwpt_id for FIXTURE iommufd_mock_domain
iommufd/selftest: Rename domain_id to stdev_id for FIXTURE iommufd_ioas
iommufd/selftest: Rename the sefltest 'device_id' to 'stdev_id'
iommufd: Make iommufd_hw_pagetable_alloc() do iopt_table_add_domain()
iommufd: Move iommufd_device to iommufd_private.h
iommufd: Move ioas related HWPT destruction into iommufd_hw_pagetable_destroy()
iommufd: Consistently manage hwpt_item
iommufd: Add iommufd_lock_obj() around the auto-domains hwpts
...
|
||
|
Linus Torvalds
|
6e98b09da9 |
Merge tag 'net-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core:
- Introduce a config option to tweak MAX_SKB_FRAGS. Increasing the
default value allows for better BIG TCP performances
- Reduce compound page head access for zero-copy data transfers
- RPS/RFS improvements, avoiding unneeded NET_RX_SOFTIRQ when
possible
- Threaded NAPI improvements, adding defer skb free support and
unneeded softirq avoidance
- Address dst_entry reference count scalability issues, via false
sharing avoidance and optimize refcount tracking
- Add lockless accesses annotation to sk_err[_soft]
- Optimize again the skb struct layout
- Extends the skb drop reasons to make it usable by multiple
subsystems
- Better const qualifier awareness for socket casts
BPF:
- Add skb and XDP typed dynptrs which allow BPF programs for more
ergonomic and less brittle iteration through data and
variable-sized accesses
- Add a new BPF netfilter program type and minimal support to hook
BPF programs to netfilter hooks such as prerouting or forward
- Add more precise memory usage reporting for all BPF map types
- Adds support for using {FOU,GUE} encap with an ipip device
operating in collect_md mode and add a set of BPF kfuncs for
controlling encap params
- Allow BPF programs to detect at load time whether a particular
kfunc exists or not, and also add support for this in light
skeleton
- Bigger batch of BPF verifier improvements to prepare for upcoming
BPF open-coded iterators allowing for less restrictive looping
capabilities
- Rework RCU enforcement in the verifier, add kptr_rcu and enforce
BPF programs to NULL-check before passing such pointers into kfunc
- Add support for kptrs in percpu hashmaps, percpu LRU hashmaps and
in local storage maps
- Enable RCU semantics for task BPF kptrs and allow referenced kptr
tasks to be stored in BPF maps
- Add support for refcounted local kptrs to the verifier for allowing
shared ownership, useful for adding a node to both the BPF list and
rbtree
- Add BPF verifier support for ST instructions in
convert_ctx_access() which will help new -mcpu=v4 clang flag to
start emitting them
- Add ARM32 USDT support to libbpf
- Improve bpftool's visual program dump which produces the control
flow graph in a DOT format by adding C source inline annotations
Protocols:
- IPv4: Allow adding to IPv4 address a 'protocol' tag. Such value
indicates the provenance of the IP address
- IPv6: optimize route lookup, dropping unneeded R/W lock acquisition
- Add the handshake upcall mechanism, allowing the user-space to
implement generic TLS handshake on kernel's behalf
- Bridge: support per-{Port, VLAN} neighbor suppression, increasing
resilience to nodes failures
- SCTP: add support for Fair Capacity and Weighted Fair Queueing
schedulers
- MPTCP: delay first subflow allocation up to its first usage. This
will allow for later better LSM interaction
- xfrm: Remove inner/outer modes from input/output path. These are
not needed anymore
- WiFi:
- reduced neighbor report (RNR) handling for AP mode
- HW timestamping support
- support for randomized auth/deauth TA for PASN privacy
- per-link debugfs for multi-link
- TC offload support for mac80211 drivers
- mac80211 mesh fast-xmit and fast-rx support
- enable Wi-Fi 7 (EHT) mesh support
Netfilter:
- Add nf_tables 'brouting' support, to force a packet to be routed
instead of being bridged
- Update bridge netfilter and ovs conntrack helpers to handle IPv6
Jumbo packets properly, i.e. fetch the packet length from
hop-by-hop extension header. This is needed for BIT TCP support
- The iptables 32bit compat interface isn't compiled in by default
anymore
- Move ip(6)tables builtin icmp matches to the udptcp one. This has
the advantage that icmp/icmpv6 match doesn't load the
iptables/ip6tables modules anymore when iptables-nft is used
- Extended netlink error report for netdevice in flowtables and
netdev/chains. Allow for incrementally add/delete devices to netdev
basechain. Allow to create netdev chain without device
Driver API:
- Remove redundant Device Control Error Reporting Enable, as PCI core
has already error reporting enabled at enumeration time
- Move Multicast DB netlink handlers to core, allowing devices other
then bridge to use them
- Allow the page_pool to directly recycle the pages from safely
localized NAPI
- Implement lockless TX queue stop/wake combo macros, allowing for
further code de-duplication and sanitization
- Add YNL support for user headers and struct attrs
- Add partial YNL specification for devlink
- Add partial YNL specification for ethtool
- Add tc-mqprio and tc-taprio support for preemptible traffic classes
- Add tx push buf len param to ethtool, specifies the maximum number
of bytes of a transmitted packet a driver can push directly to the
underlying device
- Add basic LED support for switch/phy
- Add NAPI documentation, stop relaying on external links
- Convert dsa_master_ioctl() to netdev notifier. This is a
preparatory work to make the hardware timestamping layer selectable
by user space
- Add transceiver support and improve the error messages for CAN-FD
controllers
New hardware / drivers:
- Ethernet:
- AMD/Pensando core device support
- MediaTek MT7981 SoC
- MediaTek MT7988 SoC
- Broadcom BCM53134 embedded switch
- Texas Instruments CPSW9G ethernet switch
- Qualcomm EMAC3 DWMAC ethernet
- StarFive JH7110 SoC
- NXP CBTX ethernet PHY
- WiFi:
- Apple M1 Pro/Max devices
- RealTek rtl8710bu/rtl8188gu
- RealTek rtl8822bs, rtl8822cs and rtl8821cs SDIO chipset
- Bluetooth:
- Realtek RTL8821CS, RTL8851B, RTL8852BS
- Mediatek MT7663, MT7922
- NXP w8997
- Actions Semi ATS2851
- QTI WCN6855
- Marvell 88W8997
- Can:
- STMicroelectronics bxcan stm32f429
Drivers:
- Ethernet NICs:
- Intel (1G, icg):
- add tracking and reporting of QBV config errors
- add support for configuring max SDU for each Tx queue
- Intel (100G, ice):
- refactor mailbox overflow detection to support Scalable IOV
- GNSS interface optimization
- Intel (i40e):
- support XDP multi-buffer
- nVidia/Mellanox:
- add the support for linux bridge multicast offload
- enable TC offload for egress and engress MACVLAN over bond
- add support for VxLAN GBP encap/decap flows offload
- extend packet offload to fully support libreswan
- support tunnel mode in mlx5 IPsec packet offload
- extend XDP multi-buffer support
- support MACsec VLAN offload
- add support for dynamic msix vectors allocation
- drop RX page_cache and fully use page_pool
- implement thermal zone to report NIC temperature
- Netronome/Corigine:
- add support for multi-zone conntrack offload
- Solarflare/Xilinx:
- support offloading TC VLAN push/pop actions to the MAE
- support TC decap rules
- support unicast PTP
- Other NICs:
- Broadcom (bnxt): enforce software based freq adjustments only on
shared PHC NIC
- RealTek (r8169): refactor to addess ASPM issues during NAPI poll
- Micrel (lan8841): add support for PTP_PF_PEROUT
- Cadence (macb): enable PTP unicast
- Engleder (tsnep): add XDP socket zero-copy support
- virtio-net: implement exact header length guest feature
- veth: add page_pool support for page recycling
- vxlan: add MDB data path support
- gve: add XDP support for GQI-QPL format
- geneve: accept every ethertype
- macvlan: allow some packets to bypass broadcast queue
- mana: add support for jumbo frame
- Ethernet high-speed switches:
- Microchip (sparx5): Add support for TC flower templates
- Ethernet embedded switches:
- Broadcom (b54):
- configure 6318 and 63268 RGMII ports
- Marvell (mv88e6xxx):
- faster C45 bus scan
- Microchip:
- lan966x:
- add support for IS1 VCAP
- better TX/RX from/to CPU performances
- ksz9477: add ETS Qdisc support
- ksz8: enhance static MAC table operations and error handling
- sama7g5: add PTP capability
- NXP (ocelot):
- add support for external ports
- add support for preemptible traffic classes
- Texas Instruments:
- add CPSWxG SGMII support for J7200 and J721E
- Intel WiFi (iwlwifi):
- preparation for Wi-Fi 7 EHT and multi-link support
- EHT (Wi-Fi 7) sniffer support
- hardware timestamping support for some devices/firwmares
- TX beacon protection on newer hardware
- Qualcomm 802.11ax WiFi (ath11k):
- MU-MIMO parameters support
- ack signal support for management packets
- RealTek WiFi (rtw88):
- SDIO bus support
- better support for some SDIO devices (e.g. MAC address from
efuse)
- RealTek WiFi (rtw89):
- HW scan support for 8852b
- better support for 6 GHz scanning
- support for various newer firmware APIs
- framework firmware backwards compatibility
- MediaTek WiFi (mt76):
- P2P support
- mesh A-MSDU support
- EHT (Wi-Fi 7) support
- coredump support"
* tag 'net-next-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2078 commits)
net: phy: hide the PHYLIB_LEDS knob
net: phy: marvell-88x2222: remove unnecessary (void*) conversions
tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.
net: amd: Fix link leak when verifying config failed
net: phy: marvell: Fix inconsistent indenting in led_blink_set
lan966x: Don't use xdp_frame when action is XDP_TX
tsnep: Add XDP socket zero-copy TX support
tsnep: Add XDP socket zero-copy RX support
tsnep: Move skb receive action to separate function
tsnep: Add functions for queue enable/disable
tsnep: Rework TX/RX queue initialization
tsnep: Replace modulo operation with mask
net: phy: dp83867: Add led_brightness_set support
net: phy: Fix reading LED reg property
drivers: nfc: nfcsim: remove return value check of `dev_dir`
net: phy: dp83867: Remove unnecessary (void*) conversions
net: ethtool: coalesce: try to make user settings stick twice
net: mana: Check if netdev/napi_alloc_frag returns single page
net: mana: Rename mana_refill_rxoob and remove some empty lines
net: veth: add page_pool stats
...
|
||
Jiri Kosina
|
ab396fb2f3 |
Merge branch 'for-6.4/tests' into for-linus
- import of bunch of HID selftests from out-of-tree hid-tools project (Benjamin Tissoires) |
||
|
Linus Torvalds
|
85d7ab2463 |
Merge tag 'for-6.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Mostly core changes and cleanups, some notable fixes and two
performance improvements in directory logging.
The IO path cleanups are removing or refactoring old code, scrub main
loop has been completely rewritten also refactoring old code.
There are some changes to non-btrfs code, mostly trivial, the cgroup
punt bio logic is only moved from generic code.
Performance improvements:
- improve logging changes in a directory during one transaction,
avoid iterating over items and reduce lock contention (fsync time
4x lower)
- when logging directory entries during one transaction, reduce
locking of subvolume trees by checking tree-log instead
(improvement in throughput and latency for concurrent access to a
subvolume)
Notable fixes:
- dev-replace:
- properly honor read mode when requested to avoid reading from
source device
- target device won't be used for eventual read repair, this is
unreliable for NODATASUM files
- when there are unpaired (and unrepairable) metadata during
replace, exit early with error and don't try to finish whole
operation
- scrub ioctl properly rejects unknown flags
- fix global block reserve calculations
- fix partial direct io write when there's a page fault in the
middle, iomap will try to continue with partial request but the
btrfs part did not match that, this can lead to zeros written
instead of data
Core changes:
- io path:
- continued cleanups and refactoring around bio handling
- extent io submit path simplifications and cleanups
- flush write path simplifications and cleanups
- rework logic of passing sync mode of bio, with further cleanups
- rewrite scrub code flow, restructure how the stripes are enumerated
and verified in a more unified way
- allow to set lower threshold for block group reclaim in debug mode
to aid zoned mode testing
- remove obsolete time-based delayed ref throttling logic when
truncating items
- DREW locks are not using percpu variables anymore
- more warning fixes (-Wmaybe-uninitialized)
- u64 division simplifications
- error handling improvements
Non-btrfs code changes:
- push cgroup punt bio logic to btrfs code (there was no other user
of that), the functionality can be now selected separately by
BLK_CGROUP_PUNT_BIO
- crc32c_impl removed after removing last uses in btrfs code
- add btrfs_assertfail() to objtool table"
* tag 'for-6.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (147 commits)
btrfs: mark btrfs_assertfail() __noreturn
btrfs: fix uninitialized variable warnings
btrfs: use log root when iterating over index keys when logging directory
btrfs: avoid iterating over all indexes when logging directory
btrfs: dev-replace: error out if we have unrepaired metadata error during
btrfs: remove pointless loop at btrfs_get_next_valid_item()
btrfs: scrub: reject unsupported scrub flags
btrfs: reinterpret async discard iops_limit=0 as no delay
btrfs: set default discard iops_limit to 1000
btrfs: remove unused raid56 functions which were dedicated for scrub
btrfs: scrub: remove scrub_bio structure
btrfs: scrub: remove scrub_block and scrub_sector structures
btrfs: scrub: remove the old scrub recheck code
btrfs: scrub: remove the old writeback infrastructure
btrfs: scrub: remove scrub_parity structure
btrfs: scrub: use scrub_stripe to implement RAID56 P/Q scrub
btrfs: scrub: switch scrub_simple_mirror() to scrub_stripe infrastructure
btrfs: scrub: introduce helper to queue a stripe for scrub
btrfs: scrub: introduce error reporting functionality for scrub_stripe
btrfs: scrub: introduce a writeback helper for scrub_stripe
...
|
||
Paolo Abeni
|
c248b27cfc |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
|
Linus Torvalds
|
0cfd8703e7 |
Merge tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update several cpufreq drivers and the cpufreq core, add sysfs
interface for exposing the time really spent in the platform low-power
state during suspend-to-idle, update devfreq (core and drivers) and
the pm-graph suite of tools and clean up code.
Specifics:
- Fix the frequency unit in cpufreq_verify_current_freq checks()
Sanjay Chandrashekara)
- Make mode_state_machine in amd-pstate static (Tom Rix)
- Make the cpufreq core require drivers with target_index() to set
freq_table (Viresh Kumar)
- Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang)
- Use of_property_read_bool() for boolean properties in the pmac32
cpufreq driver (Rob Herring)
- Make the cpufreq sysfs interface return proper error codes on
obviously invalid input (qinyu)
- Add guided autonomous mode support to the AMD P-state driver (Wyes
Karny)
- Make the Intel P-state driver enable HWP IO boost on all server
platforms (Srinivas Pandruvada)
- Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
Gupta)
- Use of_property_present() for testing DT property presence (Rob
Herring)
- Remove MODULE_LICENSE in non-modules (Nick Alcock)
- Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss)
- Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
Kozlowski, Konrad Dybcio, and Bjorn Andersson)
- DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
Bartosz Golaszewski)
- Updates and fixes for mediatek driver (Jia-Wei Chang and
AngeloGioacchino Del Regno)
- Use of_property_present() for testing DT property presence in the
cpuidle code (Rob Herring)
- Drop unnecessary (void *) conversions from the PM core (Li zeming)
- Add sysfs files to represent time spent in a platform sleep state
during suspend-to-idle and make AMD and Intel PMC drivers use them
Mario Limonciello)
- Use of_property_present() for testing DT property presence (Rob
Herring)
- Add set_required_opps() callback to the 'struct opp_table', to make
the code paths cleaner (Viresh Kumar)
- Update the pm-graph siute of utilities to v5.11 with the following
changes:
* New script which allows users to install the latest pm-graph
from the upstream github repo.
* Update all the dmesg suspend/resume PM print formats to be able
to process recent timelines using dmesg only.
* Add ethtool output to the log for the system's ethernet device
if ethtool exists.
* Make the tool more robustly handle events where mangled dmesg
or ftrace outputs do not include all the requisite data.
- Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
Luo)
- Remove unneeded SRCU selection in Kconfig because it's always set
from devfreq core (Paul E. McKenney)
- Drop of_match_ptr() macro from exynos-bus.c because this driver is
always using the DT table for driver probe (Krzysztof Kozlowski)
- Use the preferred of_property_present() instead of the low-level
of_get_property() on exynos-bus.c (Rob Herring)
- Use devm_platform_get_and_ioream_resource() in exyno-ppmu.c (Yang
Li)"
* tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
platform/x86/intel/pmc: core: Report duration of time in HW sleep state
platform/x86/intel/pmc: core: Always capture counters on suspend
platform/x86/amd: pmc: Report duration of time in hw sleep state
PM: Add sysfs files to represent time spent in hardware sleep state
cpufreq: use correct unit when verify cur freq
cpufreq: tegra194: add OPP support and set bandwidth
cpufreq: amd-pstate: Make varaiable mode_state_machine static
PM: core: Remove unnecessary (void *) conversions
cpufreq: drivers with target_index() must set freq_table
PM / devfreq: exynos-ppmu: Use devm_platform_get_and_ioremap_resource()
OPP: Move required opps configuration to specialized callback
OPP: Handle all genpd cases together in _set_required_opps()
cpufreq: qcom-cpufreq-hw: Revert adding cpufreq qos
dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCM2290
dt-bindings: cpufreq: cpufreq-qcom-hw: Sanitize data per compatible
dt-bindings: cpufreq: cpufreq-qcom-hw: Allow just 1 frequency domain
cpufreq: Add SM7225 to cpufreq-dt-platdev blocklist
cpufreq: qcom-cpufreq-hw: fix double IO unmap and resource release on exit
cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623
cpufreq: mediatek: raise proc/sram max voltage for MT8516
...
|
||
|
Linus Torvalds
|
793582ff47 |
Merge tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20230331, fix the ACPI SBS driver and the evaluation of the _PDC
method on Xen dom0 in the ACPI processor driver, update the ACPI
driver for Intel SoCs and clean up code in multiple places.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20230331
including the following changes:
* Delete bogus node_array array of pointers from AEST table
(Jessica Clarke)
* Add support for trace buffer extension in GICC to the ACPI MADT
parser (Xiongfeng Wang)
* Add missing macro ACPI_FUNCTION_TRACE() for
acpi_ns_repair_HID() (Xiongfeng Wang)
* Add missing tables to astable (Pedro Falcato)
* Add support for 64 bit loong_arch compilation to ACPICA (Huacai
Chen)
* Add support for ASPT table in disassembler to ACPICA (Jeremi
Piotrowski)
* Add support for Arm's MPAM ACPI table version 2 (Hesham
Almatary)
* Update all copyrights/signons in ACPICA to 2023 (Bob Moore)
* Add support for ClockInput resource (v6.5) (Niyas Sait)
* Add RISC-V INTC interrupt controller definition to the list of
supported interrupt controllers for MADT (Sunil V L)
* Add structure definitions for the RISC-V RHCT ACPI table (Sunil
V L)
* Address several cases in which the ACPICA code might lead to
undefined behavior (Tamir Duberstein)
* Make ACPICA code support flexible arrays properly (Kees Cook)
* Check null return of ACPI_ALLOCATE_ZEROED in
acpi_db_display_objects() (void0red)
* Add os specific support for Zephyr RTOS to ACPICA (Najumon)
* Update version to 20230331 (Bob Moore)
- Fix evaluating the _PDC ACPI control method when running as Xen
dom0 (Roger Pau Monne)
- Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu)
- Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
Chen)
- Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
Gaiser)
- Initialize the correct IOMMU fwspec while parsing ACPI VIOT
(Jean-Philippe Brucker)
- Amend indentation and prefix error messages with FW_BUG in the ACPI
SPCR parsing code (Andy Shevchenko)
- Enable ACPI sysfs support for CCEL records (Kuppuswamy
Sathyanarayanan)
- Make the APEI error injection code warn on invalid arguments when
explicitly indicated by platform (Shuai Xue)
- Add CXL error types to the error injection code in APEI (Tony Luck)
- Refactor acpi_data_prop_read_single() (Andy Shevchenko)
- Fix two issues in the ACPI SBS driver (Armin Wolf)
- Replace ternary operator with min_t() in the generic ACPI thermal
zone driver (Jiangshan Yi)
- Ensure that ACPI notify handlers are not running after removal and
clean up code in acpi_sb_notify() (Rafael Wysocki)
- Remove register_backlight_delay module option and code and remove
quirks for false-positive backlight control support advertised on
desktop boards (Hans de Goede)
- Replace irqdomain.h include with struct declarations in ACPI
headers and update several pieces of code previously including of.h
implicitly through those headers (Rob Herring)
- Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K)
- Update the pm_profile sysfs attribute documentation (Rafael
Wysocki)
- Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
the ACPI driver for Intel SoCs (Hans de Goede)"
* tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
ACPI: LPSS: Add 80862289 ACPI _HID for second PWM controller on Cherry Trail
ACPI: bus: Ensure that notify handlers are not running after removal
ACPI: bus: Add missing braces to acpi_sb_notify()
ACPI: video: Remove desktops without backlight DMI quirks
ACPI: video: Remove register_backlight_delay module option and code
ACPI: Replace irqdomain.h include with struct declarations
fpga: lattice-sysconfig-spi: Add explicit include for of.h
tpm: atmel: Add explicit include for of.h
virtio-mmio: Add explicit include for of.h
pata: ixp4xx: Add explicit include for of.h
ata: pata_macio: Add explicit include of irqdomain.h
serial: 8250_tegra: Add explicit include for of.h
net: rfkill-gpio: Add explicit include for of.h
staging: iio: resolver: ad2s1210: Add explicit include for of.h
iio: adc: ad7292: Add explicit include for of.h
ACPICA: Update version to 20230331
ACPICA: add os specific support for Zephyr RTOS
ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array
ACPICA: acpi_madt_oem_data: Fix flexible array member definition
...
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Beau Belgrave
|
97bbce89bf |
tracing/user_events: Prevent same address and bit per process
User processes register an address and bit pair for events. If the same address and bit pair are registered multiple times in the same process, it can cause undefined behavior when events are enabled/disabled. When more than one are used, the bit could be turned off by another event being disabled, while the original event is still enabled. Prevent undefined behavior by checking the current mm to see if any event has already been registered for the address and bit pair. Return EADDRINUSE back to the user process if it's already being used. Update ftrace self-test to ensure this occurs properly. Link: https://lkml.kernel.org/r/20230425225107.8525-4-beaub@linux.microsoft.com Suggested-by: Doug Cook <dcook@linux.microsoft.com> Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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Beau Belgrave
|
17b439db21 |
tracing/user_events: Ensure bit is cleared on unregister
If an event is enabled and a user process unregisters user_events, the bit is left set. Fix this by always clearing the bit in the user process if unregister is successful. Update abi self-test to ensure this occurs properly. Link: https://lkml.kernel.org/r/20230425225107.8525-3-beaub@linux.microsoft.com Suggested-by: Doug Cook <dcook@linux.microsoft.com> Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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Beau Belgrave
|
cd98c93286 |
tracing/user_events: Ensure write index cannot be negative
The write index indicates which event the data is for and accesses a
per-file array. The index is passed by user processes during write()
calls as the first 4 bytes. Ensure that it cannot be negative by
returning -EINVAL to prevent out of bounds accesses.
Update ftrace self-test to ensure this occurs properly.
Link: https://lkml.kernel.org/r/20230425225107.8525-2-beaub@linux.microsoft.com
Fixes:
|
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Linus Torvalds
|
088e0c1885 |
Merge tag 'platform-drivers-x86-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- AMD PMC and PMF drivers:
- Numerous bugfixes
- Intel Speed Select Technology (ISST):
- TPMI (Topology Aware Register and PM Capsule Interface) support
for ISST support on upcoming processor models
- Various other improvements / new hw support
- tools/intel-speed-select: TPMI support + other improvements
- Intel In Field Scan (IFS):
- Add Array Bist test support
- New drivers:
- intel_bytcrc_pwrsrc Crystal Cove PMIC pwrsrc / reset-reason driver
- lenovo-ymc Yoga Mode Control driver for reporting SW_TABLET_MODE
- msi-ec Driver for MSI laptop EC features like battery charging limits
- apple-gmux:
- Support for new MMIO based models (T2 Macs)
- Honor acpi_backlight= auto-detect-code + kernel cmdline option
to switch between gmux and apple_bl backlight drivers and remove
own custom handling for this
- x86-android-tablets: Refactor / cleanup + new hw support
- Miscellaneous other cleanups / fixes
* tag 'platform-drivers-x86-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (178 commits)
platform/x86: x86-android-tablets: Add accelerometer support for Yoga Tablet 2 1050/830 series
platform/x86: x86-android-tablets: Add "yogabook-touch-kbd-digitizer-switch" pdev for Lenovo Yoga Book
platform/x86: x86-android-tablets: Add Wacom digitizer info for Lenovo Yoga Book
platform/x86: x86-android-tablets: Update Yoga Book HiDeep touchscreen comment
platform/x86: thinkpad_acpi: Fix Embedded Controller access on X380 Yoga
platform/x86/intel/sdsi: Change mailbox timeout
platform/x86/intel/pmt: Ignore uninitialized entries
platform/x86: amd: pmc: provide user message where s0ix is not supported
platform/x86/amd: pmc: Fix memory leak in amd_pmc_stb_debugfs_open_v2()
mlxbf-bootctl: Add sysfs file for BlueField boot fifo
platform/x86: amd: pmc: Remove __maybe_unused from amd_pmc_suspend_handler()
platform/x86/intel/pmc/mtl: Put GNA/IPU/VPU devices in D3
platform/x86/amd: pmc: Move out of BIOS SMN pair for STB init
platform/x86/amd: pmc: Utilize SMN index 0 for driver probe
platform/x86/amd: pmc: Move idlemask check into `amd_pmc_idlemask_read`
platform/x86/amd: pmc: Don't dump data after resume from s0i3 on picasso
platform/x86/amd: pmc: Hide SMU version and program attributes for Picasso
platform/x86/amd: pmc: Don't try to read SMU version on Picasso
platform/x86/amd/pmf: Move out of BIOS SMN pair for driver probe
platform/x86: intel-uncore-freq: Add client processors
...
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Daniel Bristot de Oliveira
|
82253a271a |
rtla/timerlat: Fix "Previous IRQ" auto analysis' line
The "Previous IRQ interference" line is misaligned and without
a \n, breaking the tool's output:
## CPU 12 hit stop tracing, analyzing it ##
Previous IRQ interference: up to 2.22 us IRQ handler delay: 18.06 us (0.00 %)
IRQ latency: 18.52 us
Timerlat IRQ duration: 4.41 us (0.00 %)
Blocking thread: 216.93 us (0.03 %)
Fix the output:
## CPU 7 hit stop tracing, analyzing it ##
Previous IRQ interference: up to 8.93 us
IRQ handler delay: 0.98 us (0.00 %)
IRQ latency: 2.95 us
Timerlat IRQ duration: 11.26 us (0.03 %)
Link: https://lore.kernel.org/linux-trace-devel/8b5819077f15ccf24745c9bf3205451e16ee32d9.1679685525.git.bristot@kernel.org
Fixes:
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Daniel Bristot de Oliveira
|
9fa48a2477 |
rtla/timerlat: Add auto-analysis only option
Parsing and formating timerlat data might consume a reasonable amount of CPU time on very large systems, or when timerlat has a too short period. Add an option to run timerlat with auto-analysis enabled while skipping the statistics parsing. In this mode, rtla timerlat periodically checks if the tracing is on, going to sleep waiting for the stop tracing condition to stop tracing, or for the tracing session to finish. If the stop tracing condition is hit, the tool prints the auto analysis. Otherwise, the tool prints the max observed latency and exit. The max observed latency is captured via tracing_max_latency. Link: https://lore.kernel.org/linux-trace-devel/4dc514d1d5dc353c537a466a9b5af44c266b6da2.1680106912.git.bristot@kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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Colin Ian King
|
54a0dffa62 |
rv: Fix addition on an uninitialized variable 'run'
The variable run is not initialized however it is being accumulated
by the return value from the call to ikm_run_monitor. Fix this by
initializing run to zero at the start of the function.
Link: https://lkml.kernel.org/r/20230424094730.105313-1-colin.i.king@gmail.com
Fixes:
|
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Rong Tao
|
a99d0d5f4a |
rtla: Add .gitignore file
Add .gitignore file to ignore the rtla binary. Link: https://lore.kernel.org/linux-trace-devel/tencent_3C22A3418CD06196C2E5A84AE3EBC2281206@qq.com Signed-off-by: Rong Tao <rongtao@cestc.cn> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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Linus Torvalds
|
736b378b29 |
Merge tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka: "The main change is naturally the SLOB removal. Since its deprecation in 6.2 I've seen no complaints so hopefully SLUB_(TINY) works well for everyone and we can proceed. Besides the code cleanup, the main immediate benefit will be allowing kfree() family of function to work on kmem_cache_alloc() objects, which was incompatible with SLOB. This includes kfree_rcu() which had no kmem_cache_free_rcu() counterpart yet and now it shouldn't be necessary anymore. Besides that, there are several small code and comment improvements from Thomas, Thorsten and Vernon" * tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slab: document kfree() as allowed for kmem_cache_alloc() objects mm/slob: remove slob.c mm/slab: remove CONFIG_SLOB code from slab common code mm, pagemap: remove SLOB and SLQB from comments and documentation mm, page_flags: remove PG_slob_free mm/slob: remove CONFIG_SLOB mm/slub: fix help comment of SLUB_DEBUG mm: slub: make kobj_type structure constant slab: Adjust comment after refactoring of gfp.h |
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Linus Torvalds
|
53b5e72b9d |
Merge tag 'asm-generic-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann: "These are various cleanups, fixing a number of uapi header files to no longer reference CONFIG_* symbols, and one patch that introduces the new CONFIG_HAS_IOPORT symbol for architectures that provide working inb()/outb() macros, as a preparation for adding driver dependencies on those in the following release" * tag 'asm-generic-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: Kconfig: introduce HAS_IOPORT option and select it as necessary scripts: Update the CONFIG_* ignore list in headers_install.sh pktcdvd: Remove CONFIG_CDROM_PKTCDVD_WCACHE from uapi header Move bp_type_idx to include/linux/hw_breakpoint.h Move ep_take_care_of_epollwakeup() to fs/eventpoll.c Move COMPAT_ATM_ADDPARTY to net/atm/svc.c |
||
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Linus Torvalds
|
e7989789c6 |
Merge tag 'timers-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timers and timekeeping updates from Thomas Gleixner:
- Improve the VDSO build time checks to cover all dynamic relocations
VDSO does not allow dynamic relocations, but the build time check is
incomplete and fragile.
It's based on architectures specifying the relocation types to search
for and does not handle R_*_NONE relocation entries correctly.
R_*_NONE relocations are injected by some GNU ld variants if they
fail to determine the exact .rel[a]/dyn_size to cover trailing zeros.
R_*_NONE relocations must be ignored by dynamic loaders, so they
should be ignored in the build time check too.
Remove the architecture specific relocation types to check for and
validate strictly that no other relocations than R_*_NONE end up in
the VSDO .so file.
- Prefer signal delivery to the current thread for
CLOCK_PROCESS_CPUTIME_ID based posix-timers
Such timers prefer to deliver the signal to the main thread of a
process even if the context in which the timer expires is the current
task. This has the downside that it might wake up an idle thread.
As there is no requirement or guarantee that the signal has to be
delivered to the main thread, avoid this by preferring the current
task if it is part of the thread group which shares sighand.
This not only avoids waking idle threads, it also distributes the
signal delivery in case of multiple timers firing in the context of
different threads close to each other better.
- Align the tick period properly (again)
For a long time the tick was starting at CLOCK_MONOTONIC zero, which
allowed users space applications to either align with the tick or to
place a periodic computation so that it does not interfere with the
tick. The alignement of the tick period was more by chance than by
intention as the tick is set up before a high resolution clocksource
is installed, i.e. timekeeping is still tick based and the tick
period advances from there.
The early enablement of sched_clock() broke this alignement as the
time accumulated by sched_clock() is taken into account when
timekeeping is initialized. So the base value now(CLOCK_MONOTONIC) is
not longer a multiple of tick periods, which breaks applications
which relied on that behaviour.
Cure this by aligning the tick starting point to the next multiple of
tick periods, i.e 1000ms/CONFIG_HZ.
- A set of NOHZ fixes and enhancements:
* Cure the concurrent writer race for idle and IO sleeptime
statistics
The statitic values which are exposed via /proc/stat are updated
from the CPU local idle exit and remotely by cpufreq, but that
happens without any form of serialization. As a consequence
sleeptimes can be accounted twice or worse.
Prevent this by restricting the accumulation writeback to the CPU
local idle exit and let the remote access compute the accumulated
value.
* Protect idle/iowait sleep time with a sequence count
Reading idle/iowait sleep time, e.g. from /proc/stat, can race
with idle exit updates. As a consequence the readout may result
in random and potentially going backwards values.
Protect this by a sequence count, which fixes the idle time
statistics issue, but cannot fix the iowait time problem because
iowait time accounting races with remote wake ups decrementing
the remote runqueues nr_iowait counter. The latter is impossible
to fix, so the only way to deal with that is to document it
properly and to remove the assertion in the selftest which
triggers occasionally due to that.
* Restructure struct tick_sched for better cache layout
* Some small cleanups and a better cache layout for struct
tick_sched
- Implement the missing timer_wait_running() callback for POSIX CPU
timers
For unknown reason the introduction of the timer_wait_running()
callback missed to fixup posix CPU timers, which went unnoticed for
almost four years.
While initially only targeted to prevent livelocks between a timer
deletion and the timer expiry function on PREEMPT_RT enabled kernels,
it turned out that fixing this for mainline is not as trivial as just
implementing a stub similar to the hrtimer/timer callbacks.
The reason is that for CONFIG_POSIX_CPU_TIMERS_TASK_WORK enabled
systems there is a livelock issue independent of RT.
CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y moves the expiry of POSIX CPU
timers out from hard interrupt context to task work, which is handled
before returning to user space or to a VM. The expiry mechanism moves
the expired timers to a stack local list head with sighand lock held.
Once sighand is dropped the task can be preempted and a task which
wants to delete a timer will spin-wait until the expiry task is
scheduled back in. In the worst case this will end up in a livelock
when the preempting task and the expiry task are pinned on the same
CPU.
The timer wheel has a timer_wait_running() mechanism for RT, which
uses a per CPU timer-base expiry lock which is held by the expiry
code and the task waiting for the timer function to complete blocks
on that lock.
This does not work in the same way for posix CPU timers as there is
no timer base and expiry for process wide timers can run on any task
belonging to that process, but the concept of waiting on an expiry
lock can be used too in a slightly different way.
Add a per task mutex to struct posix_cputimers_work, let the expiry
task hold it accross the expiry function and let the deleting task
which waits for the expiry to complete block on the mutex.
In the non-contended case this results in an extra
mutex_lock()/unlock() pair on both sides.
This avoids spin-waiting on a task which is scheduled out, prevents
the livelock and cures the problem for RT and !RT systems
* tag 'timers-core-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-cpu-timers: Implement the missing timer_wait_running callback
selftests/proc: Assert clock_gettime(CLOCK_BOOTTIME) VS /proc/uptime monotonicity
selftests/proc: Remove idle time monotonicity assertions
MAINTAINERS: Remove stale email address
timers/nohz: Remove middle-function __tick_nohz_idle_stop_tick()
timers/nohz: Add a comment about broken iowait counter update race
timers/nohz: Protect idle/iowait sleep time under seqcount
timers/nohz: Only ever update sleeptime from idle exit
timers/nohz: Restructure and reshuffle struct tick_sched
tick/common: Align tick period with the HZ tick.
selftests/timers/posix_timers: Test delivery of signals across threads
posix-timers: Prefer delivery of signals to the current thread
vdso: Improve cmd_vdso_check to check all dynamic relocations
|
||
|
Linus Torvalds
|
15bbeec0fe |
Merge tag 'core-entry-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core entry/ptrace update from Thomas Gleixner: "Provide a ptrace set/get interface for syscall user dispatch. The main purpose is to enable checkpoint/restore (CRIU) to handle processes which utilize syscall user dispatch correctly" * tag 'core-entry-2023-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftest, ptrace: Add selftest for syscall user dispatch config api ptrace: Provide set/get interface for syscall user dispatch syscall_user_dispatch: Untag selector address before access_ok() syscall_user_dispatch: Split up set_syscall_user_dispatch() |
||
|
Linus Torvalds
|
4a4a28fca6 |
Merge tag 'x86_misc_for_v6.4_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov: - Add a x86 hw vulnerabilities section to MAINTAINERS so that the folks involved in it can get CCed on patches - Add some more CPUID leafs to the kcpuid tool and extend its functionality to be more useful when grepping for CPUID bits * tag 'x86_misc_for_v6.4_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Add x86 hardware vulnerabilities section tools/x86/kcpuid: Dump the CPUID function in detailed view tools/x86/kcpuid: Update AMD leaf Fn80000001 tools/x86/kcpuid: Fix avx512bw and avx512lvl fields in Fn00000007 |
||
Andrii Nakryiko
|
be7dbd275d |
selftests/bpf: avoid mark_all_scalars_precise() trigger in one of iter tests
iter_pass_iter_ptr_to_subprog subtest is relying on actual array size
being passed as subprog parameter. This combined with recent fixes to
precision tracking in conditional jumps ([0]) is now causing verifier to
backtrack all the way to the point where sum() and fill() subprogs are
called, at which point precision backtrack bails out and forces all the
states to have precise SCALAR registers. This in turn causes each
possible value of i within fill() and sum() subprogs to cause
a different non-equivalent state, preventing iterator code to converge.
For now, change the test to assume fixed size of passed in array. Once
BPF verifier supports precision tracking across subprogram calls, these
changes will be reverted as unnecessary.
[0]
|
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|
Linus Torvalds
|
97adb49f05 |
Merge tag 'v6.4/vfs.open' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs open fixlet from Christian Brauner:
"EINVAL ist keinmal: This contains the changes to make O_DIRECTORY when
specified together with O_CREAT an invalid request.
The wider background is that a regression report about the behavior of
O_DIRECTORY | O_CREAT was sent to fsdevel about a behavior that was
changed multiple years and LTS releases earlier during v5.7
development.
This has also been covered in
https://lwn.net/Articles/926782/
which provides an excellent summary of the discussion"
* tag 'v6.4/vfs.open' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
open: return EINVAL for O_DIRECTORY | O_CREAT
|
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Dave Marchevsky
|
7deca5eae8 |
bpf: Disable bpf_refcount_acquire kfunc calls until race conditions are fixed
As reported by Kumar in [0], the shared ownership implementation for BPF programs has some race conditions which need to be addressed before it can safely be used. This patch does so in a minimal way instead of ripping out shared ownership entirely, as proper fixes for the issues raised will follow ASAP, at which point this patch's commit can be reverted to re-enable shared ownership. The patch removes the ability to call bpf_refcount_acquire_impl from BPF programs. Programs can only bump refcount and obtain a new owning reference using this kfunc, so removing the ability to call it effectively disables shared ownership. Instead of changing success / failure expectations for bpf_refcount-related selftests, this patch just disables them from running for now. [0]: https://lore.kernel.org/bpf/d7hyspcow5wtjcmw4fugdgyp3fwhljwuscp3xyut5qnwivyeru@ysdq543otzv2/ Reported-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Link: https://lore.kernel.org/r/20230424204321.2680232-1-davemarchevsky@fb.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Linus Torvalds
|
a632b76b42 |
Merge tag 'v6.4/kernel.clone3.tests' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull clone3 selftest fix from Christian Brauner: "This is a single fix to the clone3() selftstests. It fell through the sefltest tree cracks a few times so I'll provide it here. It has low urgency but we should still correctly report the number of tests" * tag 'v6.4/kernel.clone3.tests' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: selftests/clone3: fix number of tests in ksft_set_plan |
||
|
Linus Torvalds
|
c23f28975a |
Merge tag 'docs-6.4' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"Commit volume in documentation is relatively low this time, but there
is still a fair amount going on, including:
- Reorganize the architecture-specific documentation under
Documentation/arch
This makes the structure match the source directory and helps to
clean up the mess that is the top-level Documentation directory a
bit. This work creates the new directory and moves x86 and most of
the less-active architectures there.
The current plan is to move the rest of the architectures in 6.5,
with the patches going through the appropriate subsystem trees.
- Some more Spanish translations and maintenance of the Italian
translation
- A new "Kernel contribution maturity model" document from Ted
- A new tutorial on quickly building a trimmed kernel from Thorsten
Plus the usual set of updates and fixes"
* tag 'docs-6.4' of git://git.lwn.net/linux: (47 commits)
media: Adjust column width for pdfdocs
media: Fix building pdfdocs
docs: clk: add documentation to log which clocks have been disabled
docs: trace: Fix typo in ftrace.rst
Documentation/process: always CC responsible lists
docs: kmemleak: adjust to config renaming
ELF: document some de-facto PT_* ABI quirks
Documentation: arm: remove stih415/stih416 related entries
docs: turn off "smart quotes" in the HTML build
Documentation: firmware: Clarify firmware path usage
docs/mm: Physical Memory: Fix grammar
Documentation: Add document for false sharing
dma-api-howto: typo fix
docs: move m68k architecture documentation under Documentation/arch/
docs: move parisc documentation under Documentation/arch/
docs: move ia64 architecture docs under Documentation/arch/
docs: Move arc architecture docs under Documentation/arch/
docs: move nios2 documentation under Documentation/arch/
docs: move openrisc documentation under Documentation/arch/
docs: move superh documentation under Documentation/arch/
...
|
||
|
Linus Torvalds
|
1be89faab3 |
Merge tag 'linux-kselftest-kunit-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan: - several fixes to kunit tool - new klist structure test - support for m68k under QEMU - support for overriding the QEMU serial port - support for SH under QEMU * tag 'linux-kselftest-kunit-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: add tests for using current KUnit test field kunit: tool: Add support for SH under QEMU kunit: tool: Add support for overriding the QEMU serial port .gitignore: Unignore .kunitconfig list: test: Test the klist structure kunit: increase KUNIT_LOG_SIZE to 2048 bytes kunit: Use gfp in kunit_alloc_resource() kernel-doc kunit: tool: fix pre-existing `mypy --strict` errors and update run_checks.py kunit: tool: remove unused imports and variables kunit: tool: add subscripts for type annotations where appropriate kunit: fix bug of extra newline characters in debugfs logs kunit: fix bug in the order of lines in debugfs logs kunit: fix bug in debugfs logs of parameterized tests kunit: tool: Add support for m68k under QEMU |
||
|
Linus Torvalds
|
0f50767d7e |
Merge tag 'linux-kselftest-next-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan: - several patches to enhance and fix resctrl test - nolibc support for kselftest with an addition to vprintf() to tools/nolibc/stdio and related test changes - Refactor 'peeksiginfo' ptrace test part - add 'malloc' failures checks in cgroup test_memcontrol - a new prctl test - enhancements sched test with additional ore schedule prctl calls * tag 'linux-kselftest-next-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits) selftests/resctrl: Fix incorrect error return on test complete selftests/resctrl: Remove duplicate codes that clear each test result file selftests/resctrl: Commonize the signal handler register/unregister for all tests selftests/resctrl: Cleanup properly when an error occurs in CAT test selftests/resctrl: Flush stdout file buffer before executing fork() selftests/resctrl: Return MBA check result and make it to output message selftests/resctrl: Fix set up schemata with 100% allocation on first run in MBM test selftests/resctrl: Use correct exit code when tests fail kselftest/arm64: Convert za-fork to use kselftest.h kselftest: Support nolibc tools/nolibc/stdio: Implement vprintf() selftests/resctrl: Correct get_llc_perf() param in function comment selftests/resctrl: Use remount_resctrlfs() consistently with boolean selftests/resctrl: Change name from CBM_MASK_PATH to INFO_PATH selftests/resctrl: Change initialize_llc_perf() return type to void selftests/resctrl: Replace obsolete memalign() with posix_memalign() selftests/resctrl: Check for return value after write_schemata() selftests/resctrl: Allow ->setup() to return errors selftests/resctrl: Move ->setup() call outside of test specific branches selftests/resctrl: Return NULL if malloc_and_init_memory() did not alloc mem ... |
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Linus Torvalds
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5dfb75e842 |
Merge tag 'rcu.6.4.april5.2023.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux
Pull RCU updates from Joel Fernandes:
- Updates and additions to MAINTAINERS files, with Boqun being added to
the RCU entry and Zqiang being added as an RCU reviewer.
I have also transitioned from reviewer to maintainer; however, Paul
will be taking over sending RCU pull-requests for the next merge
window.
- Resolution of hotplug warning in nohz code, achieved by fixing
cpu_is_hotpluggable() through interaction with the nohz subsystem.
Tick dependency modifications by Zqiang, focusing on fixing usage of
the TICK_DEP_BIT_RCU_EXP bitmask.
- Avoid needless calls to the rcu-lazy shrinker for CONFIG_RCU_LAZY=n
kernels, fixed by Zqiang.
- Improvements to rcu-tasks stall reporting by Neeraj.
- Initial renaming of k[v]free_rcu() to k[v]free_rcu_mightsleep() for
increased robustness, affecting several components like mac802154,
drbd, vmw_vmci, tracing, and more.
A report by Eric Dumazet showed that the API could be unknowingly
used in an atomic context, so we'd rather make sure they know what
they're asking for by being explicit:
https://lore.kernel.org/all/20221202052847.2623997-1-edumazet@google.com/
- Documentation updates, including corrections to spelling,
clarifications in comments, and improvements to the srcu_size_state
comments.
- Better srcu_struct cache locality for readers, by adjusting the size
of srcu_struct in support of SRCU usage by Christoph Hellwig.
- Teach lockdep to detect deadlocks between srcu_read_lock() vs
synchronize_srcu() contributed by Boqun.
Previously lockdep could not detect such deadlocks, now it can.
- Integration of rcutorture and rcu-related tools, targeted for v6.4
from Boqun's tree, featuring new SRCU deadlock scenarios, test_nmis
module parameter, and more
- Miscellaneous changes, various code cleanups and comment improvements
* tag 'rcu.6.4.april5.2023.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux: (71 commits)
checkpatch: Error out if deprecated RCU API used
mac802154: Rename kfree_rcu() to kvfree_rcu_mightsleep()
rcuscale: Rename kfree_rcu() to kfree_rcu_mightsleep()
ext4/super: Rename kfree_rcu() to kfree_rcu_mightsleep()
net/mlx5: Rename kfree_rcu() to kfree_rcu_mightsleep()
net/sysctl: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
lib/test_vmalloc.c: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
tracing: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
misc: vmw_vmci: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
drbd: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
rcu: Protect rcu_print_task_exp_stall() ->exp_tasks access
rcu: Avoid stack overflow due to __rcu_irq_enter_check_tick() being kprobe-ed
rcu-tasks: Report stalls during synchronize_srcu() in rcu_tasks_postscan()
rcu: Permit start_poll_synchronize_rcu_expedited() to be invoked early
rcu: Remove never-set needwake assignment from rcu_report_qs_rdp()
rcu: Register rcu-lazy shrinker only for CONFIG_RCU_LAZY=y kernels
rcu: Fix missing TICK_DEP_MASK_RCU_EXP dependency check
rcu: Fix set/clear TICK_DEP_BIT_RCU_EXP bitmask race
rcu/trace: use strscpy() to instead of strncpy()
tick/nohz: Fix cpu_is_hotpluggable() by checking with nohz subsystem
...
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Linus Torvalds
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5d77652fbf |
Merge tag 'nolibc.2023.04.04a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney: - Add support for loongarch - Fix stack-protector issues - Support additional integral types and signal-related macros - Add support for stdin, stdout, and stderr - Add getuid() and geteuid() - Allow S_I* macros to be overridden by program - Defer to linux/fcntl.h and linux/stat.h to avoid duplicate definitions - Many improvements to the selftests * tag 'nolibc.2023.04.04a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (22 commits) tools/nolibc: x86_64: add stackprotector support tools/nolibc: i386: add stackprotector support tools/nolibc: tests: add test for -fstack-protector tools/nolibc: tests: fold in no-stack-protector cflags tools/nolibc: add support for stack protector tools/nolibc: tests: constify test_names tools/nolibc: add helpers for wait() signal exits tools/nolibc: add definitions for standard fds selftests/nolibc: Adjust indentation for Makefile selftests/nolibc: Add support for LoongArch tools/nolibc: Add support for LoongArch tools/nolibc: Add statx() and make stat() rely on statx() if necessary tools/nolibc: Include linux/fcntl.h and remove duplicate code tools/nolibc: check for S_I* macros before defining them selftests/nolibc: skip the chroot_root and link_dir tests when not privileged tools/nolibc: add getuid() and geteuid() tools/nolibc: add tests for the integer limits in stdint.h tools/nolibc: enlarge column width of tests tools/nolibc: add integer types and integer limit macros tools/nolibc: add stdint.h ... |
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Linus Torvalds
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4a4075ada6 |
Merge tag 'locktorture.2023.04.04a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull locktorture updates from Paul McKenney: "This adds tests for nested locking and also adds support for testing raw spinlocks in PREEMPT_RT kernels" * tag 'locktorture.2023.04.04a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: locktorture: Add raw_spinlock* torture tests for PREEMPT_RT kernels locktorture: With nested locks, occasionally skip main lock locktorture: Add nested locking to rtmutex torture tests locktorture: Add nested locking to mutex torture tests locktorture: Add nested_[un]lock() hooks and nlocks parameter |
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Linus Torvalds
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60eb450742 |
Merge tag 'lkmm-scripting.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull Linux Kernel Memory Model scripting updates from Paul McKenney: "This improves litmus-test documentation and improves the ability to do before/after tests on the https://github.com/paulmckrcu/litmus repo" * tag 'lkmm-scripting.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (32 commits) tools/memory-model: Remove out-of-date SRCU documentation tools/memory-model: Document LKMM test procedure tools/memory-model: Use "grep -E" instead of "egrep" tools/memory-model: Use "-unroll 0" to keep --hw runs finite tools/memory-model: Make judgelitmus.sh handle scripted Result: tag tools/memory-model: Add data-race capabilities to judgelitmus.sh tools/memory-model: Add checktheselitmus.sh to run specified litmus tests tools/memory-model: Repair parseargs.sh header comment tools/memory-model: Add "--" to parseargs.sh for additional arguments tools/memory-model: Make history-check scripts use mselect7 tools/memory-model: Make checkghlitmus.sh use mselect7 tools/memory-model: Fix scripting --jobs argument tools/memory-model: Implement --hw support for checkghlitmus.sh tools/memory-model: Add -v flag to jingle7 runs tools/memory-model: Make runlitmus.sh check for jingle errors tools/memory-model: Allow herd to deduce CPU type tools/memory-model: Keep assembly-language litmus tests tools/memory-model: Move from .AArch64.litmus.out to .litmus.AArch.out tools/memory-model: Make runlitmus.sh generate .litmus.out for --hw tools/memory-model: Split runlitmus.sh out of checklitmus.sh ... |
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Linus Torvalds
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406037351e |
Merge tag 'lkmm.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull Linux Kernel Memory Model updates from Paul McKenney "This improves LKMM diagnostic messages, unifies handling of the ordering produced by unlock/lock pairs, adds support for the smp_mb__after_srcu_read_unlock() macro, removes redundant members from the to-r relation, brings SRCU read-side semantics into alignment with Linux-kernel SRCU, makes ppo a subrelation of po, and improves documentation" * tag 'lkmm.2023.04.07a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: Documentation: litmus-tests: Correct spelling tools/memory-model: Add documentation about SRCU read-side critical sections tools/memory-model: Make ppo a subrelation of po tools/memory-model: Provide exact SRCU semantics tools/memory-model: Restrict to-r to read-read address dependency tools/memory-model: Add smp_mb__after_srcu_read_unlock() tools/memory-model: Unify UNLOCK+LOCK pairings to po-unlock-lock-po tools/memory-model: Update some warning labels |
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Linus Torvalds
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a562456643 |
Merge branch 'x86-rep-insns': x86 user copy clarifications
Merge my x86 user copy updates branch.
This cleans up a lot of our x86 memory copy code, particularly for user
accesses. I've been pushing for microarchitectural support for good
memory copying and clearing for a long while, and it's been visible in
how the kernel has aggressively used 'rep movs' and 'rep stos' whenever
possible.
And that micro-architectural support has been improving over the years,
to the point where on modern CPU's the best option for a memory copy
that would become a function call (as opposed to being something that
can just be turned into individual 'mov' instructions) is now to inline
the string instruction sequence instead.
However, that only makes sense when we have the modern markers for this:
the x86 FSRM and FSRS capabilities ("Fast Short REP MOVS/STOS").
So this cleans up a lot of our historical code, gets rid of the legacy
marker use ("REP_GOOD" and "ERMS") from the memcpy/memset cases, and
replaces it with that modern reality. Note that REP_GOOD and ERMS end
up still being used by the known large cases (ie page copyin gand
clearing).
The reason much of this ends up being about user memory accesses is that
the normal in-kernel cases are done by the compiler (__builtin_memcpy()
and __builtin_memset()) and getting to the point where we can use our
instruction rewriting to inline those to be string instructions will
need some compiler support.
In contrast, the user accessor functions are all entirely controlled by
the kernel code, so we can change those arbitrarily.
Thanks to Borislav Petkov for feedback on the series, and Jens testing
some of this on micro-architectures I didn't personally have access to.
* x86-rep-insns:
x86: rewrite '__copy_user_nocache' function
x86: remove 'zerorest' argument from __copy_user_nocache()
x86: set FSRS automatically on AMD CPUs that have FSRM
x86: improve on the non-rep 'copy_user' function
x86: improve on the non-rep 'clear_user' function
x86: inline the 'rep movs' in user copies for the FSRM case
x86: move stac/clac from user copy routines into callers
x86: don't use REP_GOOD or ERMS for user memory clearing
x86: don't use REP_GOOD or ERMS for user memory copies
x86: don't use REP_GOOD or ERMS for small memory clearing
x86: don't use REP_GOOD or ERMS for small memory copies
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Rafael J. Wysocki
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d3f2c402e4 |
Merge branches 'pm-core', 'pm-sleep', 'pm-opp' and 'pm-tools'
Merge PM core changes, updates related to system sleep support,
operating performance points (OPP) changes and power management
utilities changes for 6.4-rc1:
- Drop unnecessary (void *) conversions from the PM core (Li zeming).
- Add sysfs files to represent time spent in a platform sleep state
during suspend-to-idle and make AMD and Intel PMC drivers use them
(Mario Limonciello).
- Use of_property_present() for testing DT property presence (Rob
Herring).
- Add set_required_opps() callback to the 'struct opp_table', to make
the code paths cleaner (Viresh Kumar).
- Update the pm-graph siute of utilities to v5.11 with the following
changes:
* New script which allows users to install the latest pm-graph
from the upstream github repo.
* Update all the dmesg suspend/resume PM print formats to be able to
process recent timelines using dmesg only.
* Add ethtool output to the log for the system's ethernet device if
ethtool exists.
* Make the tool more robustly handle events where mangled dmesg or
ftrace outputs do not include all the requisite data.
- Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
Luo).
* pm-core:
PM: core: Remove unnecessary (void *) conversions
* pm-sleep:
platform/x86/intel/pmc: core: Report duration of time in HW sleep state
platform/x86/intel/pmc: core: Always capture counters on suspend
platform/x86/amd: pmc: Report duration of time in hw sleep state
PM: Add sysfs files to represent time spent in hardware sleep state
* pm-opp:
OPP: Move required opps configuration to specialized callback
OPP: Handle all genpd cases together in _set_required_opps()
opp: Use of_property_present() for testing DT property presence
* pm-tools:
PM: tools: sleepgraph: Recognize "CPU killed" messages
pm-graph: Update to v5.11
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Rafael J. Wysocki
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c90b29cede |
Merge branch 'acpica'
Merge ACPICA material for 6.4-rc1: - Delete bogus node_array array of pointers from AEST table (Jessica Clarke). - Add support for trace buffer extension in GICC to the ACPI MADT parser (Xiongfeng Wang). - Add missing macro ACPI_FUNCTION_TRACE() for acpi_ns_repair_HID() (Xiongfeng Wang). - Add missing tables to astable (Pedro Falcato). - Add support for 64 bit loong_arch compilation to ACPICA (Huacai Chen). - Add support for ASPT table in disassembler to ACPICA (Jeremi Piotrowski). - Add support for Arm's MPAM ACPI table version 2 (Hesham Almatary). - Update all copyrights/signons in ACPICA to 2023 (Bob Moore). - Add support for ClockInput resource (v6.5) (Niyas Sait). - Add RISC-V INTC interrupt controller definition to the list of supported interrupt controllers for MADT (Sunil V L). - Add structure definitions for the RISC-V RHCT ACPI table (Sunil V L). - Address several cases in which the ACPICA code might lead to undefined behavior (Tamir Duberstein). - Make ACPICA code support flexible arrays properly (Kees Cook). - Check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects() (void0red). - Add os specific support for Zephyr RTOS to ACPICA (Najumon). - Update version to 20230331 (Bob Moore). * acpica: (32 commits) ACPICA: Update version to 20230331 ACPICA: add os specific support for Zephyr RTOS ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array ACPICA: acpi_madt_oem_data: Fix flexible array member definition ACPICA: acpi_dmar_andd: Replace 1-element array with flexible array ACPICA: acpi_pci_routing_table: Replace fixed-size array with flex array member ACPICA: struct acpi_resource_dma: Replace 1-element array with flexible array ACPICA: Introduce ACPI_FLEX_ARRAY ACPICA: struct acpi_nfit_interleave: Replace 1-element array with flexible array ACPICA: actbl2: Replace 1-element arrays with flexible arrays ACPICA: actbl1: Replace 1-element arrays with flexible arrays ACPICA: struct acpi_resource_vendor: Replace 1-element array with flexible array ACPICA: Avoid undefined behavior: load of misaligned address ACPICA: Avoid undefined behavior: member access within misaligned address ACPICA: Avoid undefined behavior: member access within misaligned address ACPICA: Avoid undefined behavior: member access within misaligned address ACPICA: Avoid undefined behavior: member access within misaligned address ACPICA: Avoid undefined behavior: member access within null pointer ACPICA: Avoid undefined behavior: applying zero offset to null pointer ... |
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Takashi Iwai
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baa6584a24 |
Merge tag 'asoc-v6.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v6.4 The bulk of the commits here are for the conversion of drivers to use void remove callbacks but there's a reasonable amount of other stuff going on, the pace of development with the SOF code continues to be high and there's a bunch of new drivers too: - More core cleanups from Morimto-san. - Update drivers to have remove() callbacks returning void, mostly mechanical with some substantial changes. - Continued feature and simplification work on SOF, including addition of a no-DSP mode for bringup, HDA MLink and extensions to the IPC4 protocol. - Hibernation support for CS35L45. - More DT binding conversions. - Support for Cirrus Logic CS35L56, Freescale QMC, Maxim MAX98363, nVidia systems with MAX9809x and RT5631, Realtek RT712, Renesas R-Car Gen4, Rockchip RK3588 and TI TAS5733. |