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1662 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
3b4ca92614 |
Merge tag 'android12-5.10.81_r00' into android12-5.10
This is the merge of the upstream LTS release of 5.10.81 into the android12-5.10 branch. New symbols were added to be tracked, which are the only ABI changes: Leaf changes summary: 209 artifacts changed Changed leaf types summary: 0 leaf type changed Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 192 Added functions Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 17 Added variables 192 Added functions: [A] 'function void __bforget(buffer_head*)' [A] 'function ssize_t __blockdev_direct_IO(kiocb*, inode*, block_device*, iov_iter*, get_block_t*, dio_iodone_t*, dio_submit_t*, int)' [A] 'function buffer_head* __bread_gfp(block_device*, sector_t, unsigned int, gfp_t)' [A] 'function void __breadahead(block_device*, sector_t, unsigned int)' [A] 'function void __brelse(buffer_head*)' [A] 'function void __cancel_dirty_page(page*)' [A] 'function void __cleancache_invalidate_inode(address_space*)' [A] 'function void __filemap_set_wb_err(address_space*, int)' [A] 'function void __insert_inode_hash(inode*, unsigned long int)' [A] 'function void __mark_inode_dirty(inode*, int)' [A] 'function void __pagevec_release(pagevec*)' [A] 'function void __remove_inode_hash(inode*)' [A] 'function int __set_page_dirty_buffers(page*)' [A] 'function int __set_page_dirty_nobuffers(page*)' [A] 'function int __test_set_page_writeback(page*, bool)' [A] 'function int __traceiter_android_rvh_binder_transaction(void*, binder_proc*, binder_proc*, binder_thread*, binder_transaction_data*)' [A] 'function int __traceiter_android_rvh_do_sched_yield(void*, rq*)' [A] 'function int __traceiter_android_vh_binder_del_ref(void*, task_struct*, uint32_t)' [A] 'function int __traceiter_android_vh_binder_free_proc(void*, binder_proc*)' [A] 'function int __traceiter_android_vh_binder_has_work_ilocked(void*, binder_thread*, bool, int*)' [A] 'function int __traceiter_android_vh_binder_looper_state_registered(void*, binder_thread*, binder_proc*)' [A] 'function int __traceiter_android_vh_binder_new_ref(void*, task_struct*, uint32_t, int)' [A] 'function int __traceiter_android_vh_binder_proc_transaction(void*, task_struct*, task_struct*, task_struct*, int, unsigned int, bool)' [A] 'function int __traceiter_android_vh_binder_proc_transaction_end(void*, task_struct*, task_struct*, task_struct*, unsigned int, bool, bool)' [A] 'function int __traceiter_android_vh_binder_read_done(void*, binder_proc*, binder_thread*)' [A] 'function int __traceiter_android_vh_binder_thread_read(void*, list_head**, binder_proc*, binder_thread*)' [A] 'function int __traceiter_android_vh_binder_thread_release(void*, binder_proc*, binder_thread*)' [A] 'function int __traceiter_android_vh_futex_sleep_start(void*, task_struct*)' [A] 'function int __traceiter_block_bio_remap(void*, request_queue*, bio*, dev_t, sector_t)' [A] 'function int add_to_page_cache_locked(page*, address_space*, unsigned long int, gfp_t)' [A] 'function bio* bio_split(bio*, int, gfp_t, bio_set*)' [A] 'function wait_queue_head* bit_waitqueue(void*, int)' [A] 'function blk_plug_cb* blk_check_plugged(blk_plug_cb_fn, void*, int)' [A] 'function void blk_queue_max_write_same_sectors(request_queue*, unsigned int)' [A] 'function int blkdev_issue_discard(block_device*, sector_t, sector_t, gfp_t, unsigned long int)' [A] 'function void block_invalidatepage(page*, unsigned int, unsigned int)' [A] 'function int block_is_partially_uptodate(page*, unsigned long int, unsigned long int)' [A] 'function int buffer_migrate_page(address_space*, page*, page*, migrate_mode)' [A] 'function bool capable_wrt_inode_uidgid(const inode*, int)' [A] 'function void clean_bdev_aliases(block_device*, sector_t, sector_t)' [A] 'function void clear_inode(inode*)' [A] 'function int clear_page_dirty_for_io(page*)' [A] 'function int clk_set_duty_cycle(clk*, unsigned int, unsigned int)' [A] 'function int clocksource_mmio_init(void*, const char*, unsigned long int, int, unsigned int, typedef u64 (clocksource*)*)' [A] 'function u64 clocksource_mmio_readl_up(clocksource*)' [A] 'function void create_empty_buffers(page*, unsigned long int, unsigned long int)' [A] 'function int current_umask()' [A] 'function dentry* d_add_ci(dentry*, inode*, qstr*)' [A] 'function void d_instantiate(dentry*, inode*)' [A] 'function dentry* d_obtain_alias(inode*)' [A] 'function dentry* d_splice_alias(inode*, dentry*)' [A] 'function void delete_from_page_cache(page*)' [A] 'function i3c_device* dev_to_i3cdev(device*)' [A] 'function spi_mem_dirmap_desc* devm_spi_mem_dirmap_create(device*, spi_mem*, const spi_mem_dirmap_info*)' [A] 'function void disk_stack_limits(gendisk*, block_device*, sector_t)' [A] 'function void drop_nlink(inode*)' [A] 'function void end_buffer_write_sync(buffer_head*, int)' [A] 'function void end_page_writeback(page*)' [A] 'function errseq_t errseq_set(errseq_t*, int)' [A] 'function int fb_get_options(const char*, char**)' [A] 'function int fiemap_fill_next_extent(fiemap_extent_info*, u64, u64, u64, u32)' [A] 'function int fiemap_prep(inode*, fiemap_extent_info*, u64, u64*, u32)' [A] 'function int file_remove_privs(file*)' [A] 'function int file_update_time(file*)' [A] 'function int file_write_and_wait_range(file*, loff_t, loff_t)' [A] 'function vm_fault_t filemap_fault(vm_fault*)' [A] 'function int filemap_fdatawait_range(address_space*, loff_t, loff_t)' [A] 'function int filemap_fdatawrite(address_space*)' [A] 'function int filemap_flush(address_space*)' [A] 'function int filemap_write_and_wait_range(address_space*, loff_t, loff_t)' [A] 'function file* filp_open(const char*, int, umode_t)' [A] 'function void flush_delayed_fput()' [A] 'function int freq_qos_remove_notifier(freq_constraints*, freq_qos_req_type, notifier_block*)' [A] 'function int generic_error_remove_page(address_space*, page*)' [A] 'function ssize_t generic_file_direct_write(kiocb*, iov_iter*)' [A] 'function int generic_file_mmap(file*, vm_area_struct*)' [A] 'function int generic_file_open(inode*, file*)' [A] 'function ssize_t generic_file_splice_read(file*, loff_t*, pipe_inode_info*, size_t, unsigned int)' [A] 'function void generic_fillattr(inode*, kstat*)' [A] 'function ssize_t generic_read_dir(file*, char*, size_t, loff_t*)' [A] 'function int genphy_restart_aneg(phy_device*)' [A] 'function page* grab_cache_page_write_begin(address_space*, unsigned long int, unsigned int)' [A] 'function const i3c_device_id* i3c_device_match_id(i3c_device*, const i3c_device_id*)' [A] 'function inode* iget5_locked(super_block*, unsigned long int, int (inode*, void*)*, int (inode*, void*)*, void*)' [A] 'function inode* igrab(inode*)' [A] 'function void ihold(inode*)' [A] 'function int iio_device_claim_direct_mode(iio_dev*)' [A] 'function void iio_device_release_direct_mode(iio_dev*)' [A] 'function int iio_push_event(iio_dev*, u64, s64)' [A] 'function int iio_read_mount_matrix(device*, const char*, iio_mount_matrix*)' [A] 'function ssize_t iio_show_mount_matrix(iio_dev*, uintptr_t, const iio_chan_spec*, char*)' [A] 'function int iio_write_channel_raw(iio_channel*, int)' [A] 'function inode* ilookup5(super_block*, unsigned long int, int (inode*, void*)*, void*)' [A] 'function int in_group_p(kgid_t)' [A] 'function void inc_nlink(inode*)' [A] 'function void init_special_inode(inode*, umode_t, dev_t)' [A] 'function void inode_dio_wait(inode*)' [A] 'function void inode_init_once(inode*)' [A] 'function void inode_init_owner(inode*, const inode*, umode_t)' [A] 'function int inode_newsize_ok(const inode*, loff_t)' [A] 'function void inode_set_flags(inode*, unsigned int, unsigned int)' [A] 'function void io_schedule()' [A] 'function void iov_iter_advance(iov_iter*, size_t)' [A] 'function unsigned long int iov_iter_alignment(const iov_iter*)' [A] 'function size_t iov_iter_copy_from_user_atomic(page*, iov_iter*, unsigned long int, size_t)' [A] 'function int iov_iter_fault_in_readable(iov_iter*, size_t)' [A] 'function ssize_t iov_iter_get_pages(iov_iter*, page**, size_t, unsigned int, size_t*)' [A] 'function size_t iov_iter_single_seg_count(const iov_iter*)' [A] 'function bool is_bad_inode(inode*)' [A] 'function ssize_t iter_file_splice_write(pipe_inode_info*, file*, loff_t*, size_t, unsigned int)' [A] 'function ino_t iunique(super_block*, ino_t)' [A] 'function int kernel_sock_shutdown(socket*, sock_shutdown_cmd)' [A] 'function void kill_block_super(super_block*)' [A] 'function int kill_pid(pid*, int, int)' [A] 'function bool kthread_freezable_should_stop(bool*)' [A] 'function void ll_rw_block(int, int, int, buffer_head**)' [A] 'function nls_table* load_nls(char*)' [A] 'function nls_table* load_nls_default()' [A] 'function void lru_cache_add(page*)' [A] 'function void make_bad_inode(inode*)' [A] 'function void mark_buffer_async_write(buffer_head*)' [A] 'function void mark_buffer_dirty(buffer_head*)' [A] 'function void mark_buffer_write_io_error(buffer_head*)' [A] 'function void mark_page_accessed(page*)' [A] 'function void mnt_drop_write_file(file*)' [A] 'function int mnt_want_write_file(file*)' [A] 'function dentry* mount_bdev(file_system_type*, int, const char*, void*, int (super_block*, void*, int)*)' [A] 'function void mpage_readahead(readahead_control*, get_block_t*)' [A] 'function int mpage_readpage(page*, get_block_t*)' [A] 'function int notify_change(dentry*, iattr*, inode**)' [A] 'function unsigned long int page_cache_next_miss(address_space*, unsigned long int, unsigned long int)' [A] 'function unsigned long int page_cache_prev_miss(address_space*, unsigned long int, unsigned long int)' [A] 'function bool page_mapped(page*)' [A] 'function int page_mkclean(page*)' [A] 'function void page_zero_new_buffers(page*, unsigned int, unsigned int)' [A] 'function page* pagecache_get_page(address_space*, unsigned long int, int, gfp_t)' [A] 'function unsigned int pagevec_lookup_range(pagevec*, address_space*, unsigned long int*, unsigned long int)' [A] 'function unsigned int pagevec_lookup_range_tag(pagevec*, address_space*, unsigned long int*, unsigned long int, xa_mark_t)' [A] 'function int phy_modify_mmd(phy_device*, int, u32, u16, u16)' [A] 'function void put_pages_list(list_head*)' [A] 'function gfp_t readahead_gfp_mask(address_space*)' [A] 'function int redirty_page_for_writepage(writeback_control*, page*)' [A] 'function int rproc_set_firmware(rproc*, const char*)' [A] 'function int sb_min_blocksize(super_block*, int)' [A] 'function int sb_set_blocksize(super_block*, int)' [A] 'function void sched_clock_register(typedef u64 ()*, int, unsigned long int)' [A] 'function int security_inode_init_security(inode*, inode*, const qstr*, const initxattrs, void*)' [A] 'function void set_nlink(inode*, unsigned int)' [A] 'function int setattr_prepare(dentry*, iattr*)' [A] 'function int snd_interval_ranges(snd_interval*, unsigned int, const snd_interval*, unsigned int)' [A] 'function int snd_pcm_hw_constraint_ratnums(snd_pcm_runtime*, unsigned int, snd_pcm_hw_param_t, const snd_pcm_hw_constraint_ratnums*)' [A] 'function int snd_soc_limit_volume(snd_soc_card*, const char*, int)' [A] 'function int sock_recvmsg(socket*, msghdr*, int)' [A] 'function socket* sockfd_lookup(int, int*)' [A] 'function const spi_device_id* spi_get_device_id(const spi_device*)' [A] 'function int spi_mem_adjust_op_size(spi_mem*, spi_mem_op*)' [A] 'function bool spi_mem_default_supports_op(spi_mem*, const spi_mem_op*)' [A] 'function ssize_t spi_mem_dirmap_read(spi_mem_dirmap_desc*, u64, size_t, void*)' [A] 'function ssize_t spi_mem_dirmap_write(spi_mem_dirmap_desc*, u64, size_t, void*)' [A] 'function int spi_mem_driver_register_with_owner(spi_mem_driver*, module*)' [A] 'function void spi_mem_driver_unregister(spi_mem_driver*)' [A] 'function bool spi_mem_dtr_supports_op(spi_mem*, const spi_mem_op*)' [A] 'function int spi_mem_exec_op(spi_mem*, const spi_mem_op*)' [A] 'function const char* spi_mem_get_name(spi_mem*)' [A] 'function bool spi_mem_supports_op(spi_mem*, const spi_mem_op*)' [A] 'function blk_qc_t submit_bio_noacct(bio*)' [A] 'function int sync_dirty_buffer(buffer_head*)' [A] 'function int sync_filesystem(super_block*)' [A] 'function int sync_inode_metadata(inode*, int)' [A] 'function void tag_pages_for_writeback(address_space*, unsigned long int, unsigned long int)' [A] 'function timespec64 timestamp_truncate(timespec64, inode*)' [A] 'function void touch_atime(const path*)' [A] 'function void touchscreen_parse_properties(input_dev*, bool, touchscreen_properties*)' [A] 'function void touchscreen_report_pos(input_dev*, const touchscreen_properties*, unsigned int, unsigned int, bool)' [A] 'function int trace_set_clr_event(const char*, const char*, int)' [A] 'function void truncate_inode_pages(address_space*, loff_t)' [A] 'function void truncate_inode_pages_final(address_space*)' [A] 'function void truncate_pagecache(inode*, loff_t)' [A] 'function void truncate_setsize(inode*, loff_t)' [A] 'function int try_to_release_page(page*, gfp_t)' [A] 'function void try_to_writeback_inodes_sb(super_block*, wb_reason)' [A] 'function void unload_nls(nls_table*)' [A] 'function void unlock_buffer(buffer_head*)' [A] 'function void unlock_new_inode(inode*)' [A] 'function void usbnet_cdc_unbind(usbnet*, usb_interface*)' [A] 'function int usbnet_generic_cdc_bind(usbnet*, usb_interface*)' [A] 'function int vsscanf(const char*, const char*, va_list)' [A] 'function void wait_on_page_bit(page*, int)' [A] 'function int wake_bit_function(wait_queue_entry*, unsigned int, int, void*)' [A] 'function void wq_worker_comm(char*, size_t, task_struct*)' [A] 'function int write_inode_now(inode*, int)' [A] 'function int write_one_page(page*)' 17 Added variables: [A] 'tracepoint __tracepoint_android_rvh_binder_transaction' [A] 'tracepoint __tracepoint_android_rvh_do_ptrauth_fault' [A] 'tracepoint __tracepoint_android_rvh_do_sched_yield' [A] 'tracepoint __tracepoint_android_vh_binder_del_ref' [A] 'tracepoint __tracepoint_android_vh_binder_free_proc' [A] 'tracepoint __tracepoint_android_vh_binder_has_work_ilocked' [A] 'tracepoint __tracepoint_android_vh_binder_looper_state_registered' [A] 'tracepoint __tracepoint_android_vh_binder_new_ref' [A] 'tracepoint __tracepoint_android_vh_binder_proc_transaction' [A] 'tracepoint __tracepoint_android_vh_binder_proc_transaction_end' [A] 'tracepoint __tracepoint_android_vh_binder_read_done' [A] 'tracepoint __tracepoint_android_vh_binder_thread_read' [A] 'tracepoint __tracepoint_android_vh_binder_thread_release' [A] 'tracepoint __tracepoint_android_vh_futex_sleep_start' [A] 'tracepoint __tracepoint_android_vh_subpage_dma_contig_alloc' [A] 'tracepoint __tracepoint_block_bio_remap' [A] 'device platform_bus' This merge contains the following new commits: |
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Suren Baghdasaryan
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fe50dcab7a |
UPSTREAM: mm: wire up syscall process_mrelease
Split off from prev patch in the series that implements the syscall.
Link: https://lkml.kernel.org/r/20210809185259.405936-2-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Jann Horn <jannh@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tim Murray <timmurray@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit
|
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Greg Kroah-Hartman
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d69751309b |
This is the 5.10.70 stable release
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don't wait for resources under hw error recovery flow net/mlx4_en: Don't allow aRFS for encapsulated packets atlantic: Fix issue in the pm resume flow. scsi: iscsi: Adjust iface sysfs attr detection scsi: target: Fix the pgr/alua_support_store functions tty: synclink_gt, drop unneeded forward declarations tty: synclink_gt: rename a conflicting function name fpga: machxo2-spi: Return an error on failure fpga: machxo2-spi: Fix missing error code in machxo2_write_complete() nvme-tcp: fix incorrect h2cdata pdu offset accounting treewide: Change list_sort to use const pointers nvme: keep ctrl->namespaces ordered thermal/core: Potential buffer overflow in thermal_build_list_of_policies() cifs: fix a sign extension bug scsi: qla2xxx: Restore initiator in dual mode scsi: lpfc: Use correct scnprintf() limit irqchip/goldfish-pic: Select GENERIC_IRQ_CHIP to fix build irqchip/gic-v3-its: Fix potential VPE leak on error md: fix a lock order reversal in md_alloc x86/asm: Add a missing __iomem annotation in enqcmds() x86/asm: Fix SETZ size enqcmds() build failure io_uring: put provided buffer meta data under memcg accounting blktrace: Fix uaf in blk_trace access after removing by sysfs net: phylink: Update SFP selected interface on advertising changes net: macb: fix use after free on rmmod net: stmmac: allow CSR clock of 300MHz blk-mq: avoid to iterate over stale request m68k: Double cast io functions to unsigned long ipv6: delay fib6_sernum increase in fib6_add cpufreq: intel_pstate: Override parameters if HWP forced by BIOS bpf: Add oversize check before call kvcalloc() xen/balloon: use a kernel thread instead a workqueue nvme-multipath: fix ANA state updates when a namespace is not present nvme-rdma: destroy cm id before destroy qp to avoid use after free sparc32: page align size in arch_dma_alloc amd/display: downgrade validation failure log level block: check if a profile is actually registered in blk_integrity_unregister block: flush the integrity workqueue in blk_integrity_unregister blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd compiler.h: Introduce absolute_pointer macro net: i825xx: Use absolute_pointer for memcpy from fixed memory location sparc: avoid stringop-overread errors qnx4: avoid stringop-overread errors parisc: Use absolute_pointer() to define PAGE0 arm64: Mark __stack_chk_guard as __ro_after_init alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile net: 6pack: Fix tx timeout and slot time spi: Fix tegra20 build with CONFIG_PM=n EDAC/synopsys: Fix wrong value type assignment for edac_mode EDAC/dmc520: Assign the proper type to dimm->edac_mode thermal/drivers/int340x: Do not set a wrong tcc offset on resume USB: serial: cp210x: fix dropped characters with CP2102 xen/balloon: fix balloon kthread freezing qnx4: work around gcc false positive warning bug Linux 5.10.70 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I0be3ab08ab5dd724a79c5c5ff8e49c18d2666193 |
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Guenter Roeck
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044513c1fa |
alpha: Declare virt_to_phys and virt_to_bus parameter as pointer to volatile
[ Upstream commit
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Greg Kroah-Hartman
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af3bdb4304 |
This is the 5.10.58 stable release
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fix mmap capability check for the snd-dummy driver ALSA: hda/realtek: add mic quirk for Acer SF314-42 ALSA: hda/realtek: Fix headset mic for Acer SWIFT SF314-56 (ALC256) ALSA: usb-audio: Fix superfluous autosuspend recovery ALSA: usb-audio: Add registration quirk for JBL Quantum 600 usb: dwc3: gadget: Avoid runtime resume if disabling pullup usb: gadget: remove leaked entry from udc driver list usb: cdns3: Fixed incorrect gadget state usb: gadget: f_hid: added GET_IDLE and SET_IDLE handlers usb: gadget: f_hid: fixed NULL pointer dereference usb: gadget: f_hid: idle uses the highest byte for duration usb: host: ohci-at91: suspend/resume ports after/before OHCI accesses usb: typec: tcpm: Keep other events when receiving FRS and Sourcing_vbus events usb: otg-fsm: Fix hrtimer list corruption clk: fix leak on devm_clk_bulk_get_all() unwind scripts/tracing: fix the bug that can't parse raw_trace_func tracing / histogram: Give calculation hist_fields a size tracing: Reject string operand in the histogram expression tracing: Fix NULL pointer dereference in start_creating tracepoint: static call: Compare data on transition from 2->1 callees tracepoint: Fix static call function vs data state mismatch arm64: stacktrace: avoid tracing arch_stack_walk() optee: Clear stale cache entries during initialization tee: add tee_shm_alloc_kernel_buf() optee: Fix memory leak when failing to register shm pages optee: Refuse to load the driver under the kdump kernel optee: fix tee out of memory failure seen during kexec reboot tpm_ftpm_tee: Free and unregister TEE shared memory during kexec staging: rtl8723bs: Fix a resource leak in sd_int_dpc staging: rtl8712: get rid of flush_scheduled_work staging: rtl8712: error handling refactoring drivers core: Fix oops when driver probe fails media: rtl28xxu: fix zero-length control request pipe: increase minimum default pipe size to 2 pages ext4: fix potential htree corruption when growing large_dir directories serial: tegra: Only print FIFO error message when an error occurs serial: 8250_mtk: fix uart corruption issue when rx power off serial: 8250: Mask out floating 16/32-bit bus bits MIPS: Malta: Do not byte-swap accesses to the CBUS UART serial: 8250_pci: Enumerate Elkhart Lake UARTs via dedicated driver serial: 8250_pci: Avoid irq sharing for MSI(-X) interrupts. fpga: dfl: fme: Fix cpu hotplug issue in performance reporting timers: Move clearing of base::timer_running under base:: Lock xfrm: Fix RCU vs hash_resize_mutex lock inversion net/xfrm/compat: Copy xfrm_spdattr_type_t atributes pcmcia: i82092: fix a null pointer dereference bug selinux: correct the return value when loads initial sids bus: ti-sysc: AM3: RNG is GP only Revert "gpio: mpc8xxx: change the gpio interrupt flags." ARM: omap2+: hwmod: fix potential NULL pointer access md/raid10: properly indicate failure when ending a failed write request KVM: x86: accept userspace interrupt only if no event is injected KVM: Do not leak memory for duplicate debugfs directories KVM: x86/mmu: Fix per-cpu counter corruption on 32-bit builds arm64: vdso: Avoid ISB after reading from cntvct_el0 soc: ixp4xx: fix printing resources interconnect: Fix undersized devress_alloc allocation spi: meson-spicc: fix memory leak in meson_spicc_remove interconnect: Zero initial BW after sync-state interconnect: Always call pre_aggregate before aggregate interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes drm/i915: Correct SFC_DONE register offset soc: ixp4xx/qmgr: fix invalid __iomem access perf/x86/amd: Don't touch the AMD64_EVENTSEL_HOSTONLY bit inside the guest sched/rt: Fix double enqueue caused by rt_effective_prio drm/i915: avoid uninitialised var in eb_parse() libata: fix ata_pio_sector for CONFIG_HIGHMEM reiserfs: add check for root_inode in reiserfs_fill_super reiserfs: check directory items on read from disk virt_wifi: fix error on connect net: qede: Fix end of loop tests for list_for_each_entry alpha: Send stop IPI to send to online CPUs net/qla3xxx: fix schedule while atomic in ql_wait_for_drvr_lock and ql_adapter_reset smb3: rc uninitialized in one fallocate path drm/amdgpu/display: only enable aux backlight control for OLED panels arm64: fix compat syscall return truncation Linux 5.10.58 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I2533667974c9dff419a14d63e0e8febfb3de80f1 |
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Prarit Bhargava
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fbbb209268 |
alpha: Send stop IPI to send to online CPUs
[ Upstream commit
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Greg Kroah-Hartman
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8b444656fa |
This is the 5.10.56 stable release
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Mike Rapoport
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7bca5da005 |
alpha: register early reserved memory in memblock
commit |
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Greg Kroah-Hartman
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2df0fb4a4b |
This is the 5.10.50 stable release
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Merge 5.10.50 into android12-5.10-lts
Changes in 5.10.50
Bluetooth: hci_qca: fix potential GPF
Bluetooth: btqca: Don't modify firmware contents in-place
Bluetooth: Remove spurious error message
ALSA: usb-audio: fix rate on Ozone Z90 USB headset
ALSA: usb-audio: Fix OOB access at proc output
ALSA: firewire-motu: fix stream format for MOTU 8pre FireWire
ALSA: usb-audio: scarlett2: Fix wrong resume call
ALSA: intel8x0: Fix breakage at ac97 clock measurement
ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 450 G8
ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 445 G8
ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 630 G8
ALSA: hda/realtek: Add another ALC236 variant support
ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook x360 830 G8
ALSA: hda/realtek: Improve fixup for HP Spectre x360 15-df0xxx
ALSA: hda/realtek: Fix bass speaker DAC mapping for Asus UM431D
ALSA: hda/realtek: Apply LED fixup for HP Dragonfly G1, too
ALSA: hda/realtek: fix mute/micmute LEDs for HP EliteBook 830 G8 Notebook PC
media: dvb-usb: fix wrong definition
Input: usbtouchscreen - fix control-request directions
net: can: ems_usb: fix use-after-free in ems_usb_disconnect()
usb: gadget: eem: fix echo command packet response issue
usb: renesas-xhci: Fix handling of unknown ROM state
USB: cdc-acm: blacklist Heimann USB Appset device
usb: dwc3: Fix debugfs creation flow
usb: typec: Add the missed altmode_id_remove() in typec_register_altmode()
xhci: solve a double free problem while doing s4
gfs2: Fix underflow in gfs2_page_mkwrite
gfs2: Fix error handling in init_statfs
ntfs: fix validity check for file name attribute
selftests/lkdtm: Avoid needing explicit sub-shell
copy_page_to_iter(): fix ITER_DISCARD case
iov_iter_fault_in_readable() should do nothing in xarray case
Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
crypto: nx - Fix memcpy() over-reading in nonce
crypto: ccp - Annotate SEV Firmware file names
arm_pmu: Fix write counter incorrect in ARMv7 big-endian mode
ARM: dts: ux500: Fix LED probing
ARM: dts: at91: sama5d4: fix pinctrl muxing
btrfs: send: fix invalid path for unlink operations after parent orphanization
btrfs: compression: don't try to compress if we don't have enough pages
btrfs: clear defrag status of a root if starting transaction fails
ext4: cleanup in-core orphan list if ext4_truncate() failed to get a transaction handle
ext4: fix kernel infoleak via ext4_extent_header
ext4: fix overflow in ext4_iomap_alloc()
ext4: return error code when ext4_fill_flex_info() fails
ext4: correct the cache_nr in tracepoint ext4_es_shrink_exit
ext4: remove check for zero nr_to_scan in ext4_es_scan()
ext4: fix avefreec in find_group_orlov
ext4: use ext4_grp_locked_error in mb_find_extent
can: bcm: delay release of struct bcm_op after synchronize_rcu()
can: gw: synchronize rcu operations before removing gw job entry
can: isotp: isotp_release(): omit unintended hrtimer restart on socket release
can: j1939: j1939_sk_init(): set SOCK_RCU_FREE to call sk_destruct() after RCU is done
can: peak_pciefd: pucan_handle_status(): fix a potential starvation issue in TX path
mac80211: remove iwlwifi specific workaround that broke sta NDP tx
SUNRPC: Fix the batch tasks count wraparound.
SUNRPC: Should wake up the privileged task firstly.
bus: mhi: Wait for M2 state during system resume
mm/gup: fix try_grab_compound_head() race with split_huge_page()
perf/smmuv3: Don't trample existing events with global filter
KVM: nVMX: Handle split-lock #AC exceptions that happen in L2
KVM: PPC: Book3S HV: Workaround high stack usage with clang
KVM: x86/mmu: Treat NX as used (not reserved) for all !TDP shadow MMUs
KVM: x86/mmu: Use MMU's role to detect CR4.SMEP value in nested NPT walk
s390/cio: dont call css_wait_for_slow_path() inside a lock
s390: mm: Fix secure storage access exception handling
f2fs: Prevent swap file in LFS mode
clk: agilex/stratix10/n5x: fix how the bypass_reg is handled
clk: agilex/stratix10: remove noc_clk
clk: agilex/stratix10: fix bypass representation
rtc: stm32: Fix unbalanced clk_disable_unprepare() on probe error path
iio: frequency: adf4350: disable reg and clk on error in adf4350_probe()
iio: light: tcs3472: do not free unallocated IRQ
iio: ltr501: mark register holding upper 8 bits of ALS_DATA{0,1} and PS_DATA as volatile, too
iio: ltr501: ltr559: fix initialization of LTR501_ALS_CONTR
iio: ltr501: ltr501_read_ps(): add missing endianness conversion
iio: accel: bma180: Fix BMA25x bandwidth register values
serial: mvebu-uart: fix calculation of clock divisor
serial: sh-sci: Stop dmaengine transfer in sci_stop_tx()
serial_cs: Add Option International GSM-Ready 56K/ISDN modem
serial_cs: remove wrong GLOBETROTTER.cis entry
ath9k: Fix kernel NULL pointer dereference during ath_reset_internal()
ssb: sdio: Don't overwrite const buffer if block_write fails
rsi: Assign beacon rate settings to the correct rate_info descriptor field
rsi: fix AP mode with WPA failure due to encrypted EAPOL
tracing/histograms: Fix parsing of "sym-offset" modifier
tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing
seq_buf: Make trace_seq_putmem_hex() support data longer than 8
powerpc/stacktrace: Fix spurious "stale" traces in raise_backtrace_ipi()
loop: Fix missing discard support when using LOOP_CONFIGURE
evm: Execute evm_inode_init_security() only when an HMAC key is loaded
evm: Refuse EVM_ALLOW_METADATA_WRITES only if an HMAC key is loaded
fuse: Fix crash in fuse_dentry_automount() error path
fuse: Fix crash if superblock of submount gets killed early
fuse: Fix infinite loop in sget_fc()
fuse: ignore PG_workingset after stealing
fuse: check connected before queueing on fpq->io
fuse: reject internal errno
thermal/cpufreq_cooling: Update offline CPUs per-cpu thermal_pressure
spi: Make of_register_spi_device also set the fwnode
Add a reference to ucounts for each cred
staging: media: rkvdec: fix pm_runtime_get_sync() usage count
media: marvel-ccic: fix some issues when getting pm_runtime
media: mdk-mdp: fix pm_runtime_get_sync() usage count
media: s5p: fix pm_runtime_get_sync() usage count
media: am437x: fix pm_runtime_get_sync() usage count
media: sh_vou: fix pm_runtime_get_sync() usage count
media: mtk-vcodec: fix PM runtime get logic
media: s5p-jpeg: fix pm_runtime_get_sync() usage count
media: sunxi: fix pm_runtime_get_sync() usage count
media: sti/bdisp: fix pm_runtime_get_sync() usage count
media: exynos4-is: fix pm_runtime_get_sync() usage count
media: exynos-gsc: fix pm_runtime_get_sync() usage count
spi: spi-loopback-test: Fix 'tx_buf' might be 'rx_buf'
spi: spi-topcliff-pch: Fix potential double free in pch_spi_process_messages()
spi: omap-100k: Fix the length judgment problem
regulator: uniphier: Add missing MODULE_DEVICE_TABLE
sched/core: Initialize the idle task with preemption disabled
hwrng: exynos - Fix runtime PM imbalance on error
crypto: nx - add missing MODULE_DEVICE_TABLE
media: sti: fix obj-$(config) targets
media: cpia2: fix memory leak in cpia2_usb_probe
media: cobalt: fix race condition in setting HPD
media: hevc: Fix dependent slice segment flags
media: pvrusb2: fix warning in pvr2_i2c_core_done
media: imx: imx7_mipi_csis: Fix logging of only error event counters
crypto: qat - check return code of qat_hal_rd_rel_reg()
crypto: qat - remove unused macro in FW loader
crypto: qce: skcipher: Fix incorrect sg count for dma transfers
arm64: perf: Convert snprintf to sysfs_emit
sched/fair: Fix ascii art by relpacing tabs
media: i2c: ov2659: Use clk_{prepare_enable,disable_unprepare}() to set xvclk on/off
media: bt878: do not schedule tasklet when it is not setup
media: em28xx: Fix possible memory leak of em28xx struct
media: hantro: Fix .buf_prepare
media: cedrus: Fix .buf_prepare
media: v4l2-core: Avoid the dangling pointer in v4l2_fh_release
media: bt8xx: Fix a missing check bug in bt878_probe
media: st-hva: Fix potential NULL pointer dereferences
crypto: hisilicon/sec - fixup 3des minimum key size declaration
Makefile: fix GDB warning with CONFIG_RELR
media: dvd_usb: memory leak in cinergyt2_fe_attach
memstick: rtsx_usb_ms: fix UAF
mmc: sdhci-sprd: use sdhci_sprd_writew
mmc: via-sdmmc: add a check against NULL pointer dereference
spi: meson-spicc: fix a wrong goto jump for avoiding memory leak.
spi: meson-spicc: fix memory leak in meson_spicc_probe
crypto: shash - avoid comparing pointers to exported functions under CFI
media: dvb_net: avoid speculation from net slot
media: siano: fix device register error path
media: imx-csi: Skip first few frames from a BT.656 source
hwmon: (max31790) Report correct current pwm duty cycles
hwmon: (max31790) Fix pwmX_enable attributes
drivers/perf: fix the missed ida_simple_remove() in ddr_perf_probe()
KVM: PPC: Book3S HV: Fix TLB management on SMT8 POWER9 and POWER10 processors
btrfs: fix error handling in __btrfs_update_delayed_inode
btrfs: abort transaction if we fail to update the delayed inode
btrfs: sysfs: fix format string for some discard stats
btrfs: don't clear page extent mapped if we're not invalidating the full page
btrfs: disable build on platforms having page size 256K
locking/lockdep: Fix the dep path printing for backwards BFS
lockding/lockdep: Avoid to find wrong lock dep path in check_irq_usage()
KVM: s390: get rid of register asm usage
regulator: mt6358: Fix vdram2 .vsel_mask
regulator: da9052: Ensure enough delay time for .set_voltage_time_sel
media: Fix Media Controller API config checks
ACPI: video: use native backlight for GA401/GA502/GA503
HID: do not use down_interruptible() when unbinding devices
EDAC/ti: Add missing MODULE_DEVICE_TABLE
ACPI: processor idle: Fix up C-state latency if not ordered
hv_utils: Fix passing zero to 'PTR_ERR' warning
lib: vsprintf: Fix handling of number field widths in vsscanf
Input: goodix - platform/x86: touchscreen_dmi - Move upside down quirks to touchscreen_dmi.c
platform/x86: touchscreen_dmi: Add an extra entry for the upside down Goodix touchscreen on Teclast X89 tablets
platform/x86: touchscreen_dmi: Add info for the Goodix GT912 panel of TM800A550L tablets
ACPI: EC: Make more Asus laptops use ECDT _GPE
block_dump: remove block_dump feature in mark_inode_dirty()
blk-mq: grab rq->refcount before calling ->fn in blk_mq_tagset_busy_iter
blk-mq: clear stale request in tags->rq[] before freeing one request pool
fs: dlm: cancel work sync othercon
random32: Fix implicit truncation warning in prandom_seed_state()
open: don't silently ignore unknown O-flags in openat2()
drivers: hv: Fix missing error code in vmbus_connect()
fs: dlm: fix memory leak when fenced
ACPICA: Fix memory leak caused by _CID repair function
ACPI: bus: Call kobject_put() in acpi_init() error path
ACPI: resources: Add checks for ACPI IRQ override
block: fix race between adding/removing rq qos and normal IO
platform/x86: asus-nb-wmi: Revert "Drop duplicate DMI quirk structures"
platform/x86: asus-nb-wmi: Revert "add support for ASUS ROG Zephyrus G14 and G15"
platform/x86: toshiba_acpi: Fix missing error code in toshiba_acpi_setup_keyboard()
nvme-pci: fix var. type for increasing cq_head
nvmet-fc: do not check for invalid target port in nvmet_fc_handle_fcp_rqst()
EDAC/Intel: Do not load EDAC driver when running as a guest
PCI: hv: Add check for hyperv_initialized in init_hv_pci_drv()
cifs: improve fallocate emulation
ACPI: EC: trust DSDT GPE for certain HP laptop
clocksource: Retry clock read if long delays detected
clocksource: Check per-CPU clock synchronization when marked unstable
tpm_tis_spi: add missing SPI device ID entries
ACPI: tables: Add custom DSDT file as makefile prerequisite
HID: wacom: Correct base usage for capacitive ExpressKey status bits
cifs: fix missing spinlock around update to ses->status
mailbox: qcom: Use PLATFORM_DEVID_AUTO to register platform device
block: fix discard request merge
kthread_worker: fix return value when kthread_mod_delayed_work() races with kthread_cancel_delayed_work_sync()
ia64: mca_drv: fix incorrect array size calculation
writeback, cgroup: increment isw_nr_in_flight before grabbing an inode
spi: Allow to have all native CSs in use along with GPIOs
spi: Avoid undefined behaviour when counting unused native CSs
media: venus: Rework error fail recover logic
media: s5p_cec: decrement usage count if disabled
media: hantro: do a PM resume earlier
crypto: ixp4xx - dma_unmap the correct address
crypto: ixp4xx - update IV after requests
crypto: ux500 - Fix error return code in hash_hw_final()
sata_highbank: fix deferred probing
pata_rb532_cf: fix deferred probing
media: I2C: change 'RST' to "RSET" to fix multiple build errors
sched/uclamp: Fix wrong implementation of cpu.uclamp.min
sched/uclamp: Fix locking around cpu_util_update_eff()
kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n'
pata_octeon_cf: avoid WARN_ON() in ata_host_activate()
evm: fix writing <securityfs>/evm overflow
x86/elf: Use _BITUL() macro in UAPI headers
crypto: sa2ul - Fix leaks on failure paths with sa_dma_init()
crypto: sa2ul - Fix pm_runtime enable in sa_ul_probe()
crypto: ccp - Fix a resource leak in an error handling path
media: rc: i2c: Fix an error message
pata_ep93xx: fix deferred probing
locking/lockdep: Reduce LOCKDEP dependency list
media: rkvdec: Fix .buf_prepare
media: exynos4-is: Fix a use after free in isp_video_release
media: au0828: fix a NULL vs IS_ERR() check
media: tc358743: Fix error return code in tc358743_probe_of()
media: gspca/gl860: fix zero-length control requests
m68k: atari: Fix ATARI_KBD_CORE kconfig unmet dependency warning
media: siano: Fix out-of-bounds warnings in smscore_load_firmware_family2()
regulator: fan53880: Fix vsel_mask setting for FAN53880_BUCK
crypto: nitrox - fix unchecked variable in nitrox_register_interrupts
crypto: omap-sham - Fix PM reference leak in omap sham ops
crypto: x86/curve25519 - fix cpu feature checking logic in mod_exit
crypto: sm2 - remove unnecessary reset operations
crypto: sm2 - fix a memory leak in sm2
mmc: usdhi6rol0: fix error return code in usdhi6_probe()
arm64: consistently use reserved_pg_dir
arm64/mm: Fix ttbr0 values stored in struct thread_info for software-pan
media: subdev: remove VIDIOC_DQEVENT_TIME32 handling
media: s5p-g2d: Fix a memory leak on ctx->fh.m2m_ctx
hwmon: (lm70) Use device_get_match_data()
hwmon: (lm70) Revert "hwmon: (lm70) Add support for ACPI"
hwmon: (max31722) Remove non-standard ACPI device IDs
hwmon: (max31790) Fix fan speed reporting for fan7..12
KVM: nVMX: Sync all PGDs on nested transition with shadow paging
KVM: nVMX: Ensure 64-bit shift when checking VMFUNC bitmap
KVM: nVMX: Don't clobber nested MMU's A/D status on EPTP switch
KVM: x86/mmu: Fix return value in tdp_mmu_map_handle_target_level()
perf/arm-cmn: Fix invalid pointer when access dtc object sharing the same IRQ number
KVM: arm64: Don't zero the cycle count register when PMCR_EL0.P is set
regulator: hi655x: Fix pass wrong pointer to config.driver_data
btrfs: clear log tree recovering status if starting transaction fails
x86/sev: Make sure IRQs are disabled while GHCB is active
x86/sev: Split up runtime #VC handler for correct state tracking
sched/rt: Fix RT utilization tracking during policy change
sched/rt: Fix Deadline utilization tracking during policy change
sched/uclamp: Fix uclamp_tg_restrict()
lockdep: Fix wait-type for empty stack
lockdep/selftests: Fix selftests vs PROVE_RAW_LOCK_NESTING
spi: spi-sun6i: Fix chipselect/clock bug
crypto: nx - Fix RCU warning in nx842_OF_upd_status
psi: Fix race between psi_trigger_create/destroy
media: v4l2-async: Clean v4l2_async_notifier_add_fwnode_remote_subdev
media: video-mux: Skip dangling endpoints
PM / devfreq: Add missing error code in devfreq_add_device()
ACPI: PM / fan: Put fan device IDs into separate header file
block: avoid double io accounting for flush request
nvme-pci: look for StorageD3Enable on companion ACPI device instead
ACPI: sysfs: Fix a buffer overrun problem with description_show()
mark pstore-blk as broken
clocksource/drivers/timer-ti-dm: Save and restore timer TIOCP_CFG
extcon: extcon-max8997: Fix IRQ freeing at error path
ACPI: APEI: fix synchronous external aborts in user-mode
blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled()
blk-wbt: make sure throttle is enabled properly
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
ACPI: bgrt: Fix CFI violation
cpufreq: Make cpufreq_online() call driver->offline() on errors
blk-mq: update hctx->dispatch_busy in case of real scheduler
ocfs2: fix snprintf() checking
dax: fix ENOMEM handling in grab_mapping_entry()
mm/debug_vm_pgtable/basic: add validation for dirtiness after write protect
mm/debug_vm_pgtable/basic: iterate over entire protection_map[]
mm/debug_vm_pgtable: ensure THP availability via has_transparent_hugepage()
swap: fix do_swap_page() race with swapoff
mm/shmem: fix shmem_swapin() race with swapoff
mm: memcg/slab: properly set up gfp flags for objcg pointer array
mm: page_alloc: refactor setup_per_zone_lowmem_reserve()
mm/page_alloc: fix counting of managed_pages
xfrm: xfrm_state_mtu should return at least 1280 for ipv6
drm/bridge/sii8620: fix dependency on extcon
drm/bridge: Fix the stop condition of drm_bridge_chain_pre_enable()
drm/amd/dc: Fix a missing check bug in dm_dp_mst_detect()
drm/ast: Fix missing conversions to managed API
video: fbdev: imxfb: Fix an error message
net: mvpp2: Put fwnode in error case during ->probe()
net: pch_gbe: Propagate error from devm_gpio_request_one()
pinctrl: renesas: r8a7796: Add missing bias for PRESET# pin
pinctrl: renesas: r8a77990: JTAG pins do not have pull-down capabilities
drm/vmwgfx: Mark a surface gpu-dirty after the SVGA3dCmdDXGenMips command
drm/vmwgfx: Fix cpu updates of coherent multisample surfaces
net: qrtr: ns: Fix error return code in qrtr_ns_init()
clk: meson: g12a: fix gp0 and hifi ranges
net: ftgmac100: add missing error return code in ftgmac100_probe()
drm: rockchip: set alpha_en to 0 if it is not used
drm/rockchip: cdn-dp-core: add missing clk_disable_unprepare() on error in cdn_dp_grf_write()
drm/rockchip: dsi: move all lane config except LCDC mux to bind()
drm/rockchip: lvds: Fix an error handling path
drm/rockchip: cdn-dp: fix sign extension on an int multiply for a u64 result
mptcp: fix pr_debug in mptcp_token_new_connect
mptcp: generate subflow hmac after mptcp_finish_join()
RDMA/srp: Fix a recently introduced memory leak
RDMA/rtrs-clt: Check state of the rtrs_clt_sess before reading its stats
RDMA/rtrs: Do not reset hb_missed_max after re-connection
RDMA/rtrs-srv: Fix memory leak of unfreed rtrs_srv_stats object
RDMA/rtrs-srv: Fix memory leak when having multiple sessions
RDMA/rtrs-clt: Check if the queue_depth has changed during a reconnection
RDMA/rtrs-clt: Fix memory leak of not-freed sess->stats and stats->pcpu_stats
ehea: fix error return code in ehea_restart_qps()
clk: tegra30: Use 300MHz for video decoder by default
xfrm: remove the fragment check for ipv6 beet mode
net/sched: act_vlan: Fix modify to allow 0
RDMA/core: Sanitize WQ state received from the userspace
drm/pl111: depend on CONFIG_VEXPRESS_CONFIG
RDMA/rxe: Fix failure during driver load
drm/pl111: Actually fix CONFIG_VEXPRESS_CONFIG depends
drm/vc4: hdmi: Fix error path of hpd-gpios
clk: vc5: fix output disabling when enabling a FOD
drm: qxl: ensure surf.data is ininitialized
tools/bpftool: Fix error return code in do_batch()
ath10k: go to path err_unsupported when chip id is not supported
ath10k: add missing error return code in ath10k_pci_probe()
wireless: carl9170: fix LEDS build errors & warnings
ieee802154: hwsim: Fix possible memory leak in hwsim_subscribe_all_others
clk: imx8mq: remove SYS PLL 1/2 clock gates
wcn36xx: Move hal_buf allocation to devm_kmalloc in probe
ssb: Fix error return code in ssb_bus_scan()
brcmfmac: fix setting of station info chains bitmask
brcmfmac: correctly report average RSSI in station info
brcmfmac: Fix a double-free in brcmf_sdio_bus_reset
brcmsmac: mac80211_if: Fix a resource leak in an error handling path
cw1200: Revert unnecessary patches that fix unreal use-after-free bugs
ath11k: Fix an error handling path in ath11k_core_fetch_board_data_api_n()
ath10k: Fix an error code in ath10k_add_interface()
ath11k: send beacon template after vdev_start/restart during csa
netlabel: Fix memory leak in netlbl_mgmt_add_common
RDMA/mlx5: Don't add slave port to unaffiliated list
netfilter: nft_exthdr: check for IPv6 packet before further processing
netfilter: nft_osf: check for TCP packet before further processing
netfilter: nft_tproxy: restrict support to TCP and UDP transport protocols
RDMA/rxe: Fix qp reference counting for atomic ops
selftests/bpf: Whitelist test_progs.h from .gitignore
xsk: Fix missing validation for skb and unaligned mode
xsk: Fix broken Tx ring validation
bpf: Fix libelf endian handling in resolv_btfids
RDMA/rtrs-srv: Set minimal max_send_wr and max_recv_wr
samples/bpf: Fix Segmentation fault for xdp_redirect command
samples/bpf: Fix the error return code of xdp_redirect's main()
mt76: fix possible NULL pointer dereference in mt76_tx
mt76: mt7615: fix NULL pointer dereference in tx_prepare_skb()
net: ethernet: aeroflex: fix UAF in greth_of_remove
net: ethernet: ezchip: fix UAF in nps_enet_remove
net: ethernet: ezchip: fix error handling
vrf: do not push non-ND strict packets with a source LLA through packet taps again
net: sched: add barrier to ensure correct ordering for lockless qdisc
tls: prevent oversized sendfile() hangs by ignoring MSG_MORE
netfilter: nf_tables_offload: check FLOW_DISSECTOR_KEY_BASIC in VLAN transfer logic
pkt_sched: sch_qfq: fix qfq_change_class() error path
xfrm: Fix xfrm offload fallback fail case
iwlwifi: increase PNVM load timeout
rtw88: 8822c: fix lc calibration timing
vxlan: add missing rcu_read_lock() in neigh_reduce()
ip6_tunnel: fix GRE6 segmentation
net/ipv4: swap flow ports when validating source
net: ti: am65-cpsw-nuss: Fix crash when changing number of TX queues
tc-testing: fix list handling
ieee802154: hwsim: Fix memory leak in hwsim_add_one
ieee802154: hwsim: avoid possible crash in hwsim_del_edge_nl()
bpf: Fix null ptr deref with mixed tail calls and subprogs
drm/msm: Fix error return code in msm_drm_init()
drm/msm/dpu: Fix error return code in dpu_mdss_init()
mac80211: remove iwlwifi specific workaround NDPs of null_response
net: bcmgenet: Fix attaching to PYH failed on RPi 4B
ipv6: exthdrs: do not blindly use init_net
can: j1939: j1939_sk_setsockopt(): prevent allocation of j1939 filter for optlen == 0
bpf: Do not change gso_size during bpf_skb_change_proto()
i40e: Fix error handling in i40e_vsi_open
i40e: Fix autoneg disabling for non-10GBaseT links
i40e: Fix missing rtnl locking when setting up pf switch
Revert "ibmvnic: remove duplicate napi_schedule call in open function"
ibmvnic: set ltb->buff to NULL after freeing
ibmvnic: free tx_pool if tso_pool alloc fails
RDMA/cma: Protect RMW with qp_mutex
net: macsec: fix the length used to copy the key for offloading
net: phy: mscc: fix macsec key length
net: atlantic: fix the macsec key length
ipv6: fix out-of-bound access in ip6_parse_tlv()
e1000e: Check the PCIm state
net: dsa: sja1105: fix NULL pointer dereference in sja1105_reload_cbs()
bpfilter: Specify the log level for the kmsg message
RDMA/cma: Fix incorrect Packet Lifetime calculation
gve: Fix swapped vars when fetching max queues
Revert "be2net: disable bh with spin_lock in be_process_mcc"
Bluetooth: mgmt: Fix slab-out-of-bounds in tlv_data_is_valid
Bluetooth: Fix not sending Set Extended Scan Response
Bluetooth: Fix Set Extended (Scan Response) Data
Bluetooth: Fix handling of HCI_LE_Advertising_Set_Terminated event
clk: actions: Fix UART clock dividers on Owl S500 SoC
clk: actions: Fix SD clocks factor table on Owl S500 SoC
clk: actions: Fix bisp_factor_table based clocks on Owl S500 SoC
clk: actions: Fix AHPPREDIV-H-AHB clock chain on Owl S500 SoC
clk: qcom: clk-alpha-pll: fix CAL_L write in alpha_pll_fabia_prepare
clk: si5341: Wait for DEVICE_READY on startup
clk: si5341: Avoid divide errors due to bogus register contents
clk: si5341: Check for input clock presence and PLL lock on startup
clk: si5341: Update initialization magic
writeback: fix obtain a reference to a freeing memcg css
net: lwtunnel: handle MTU calculation in forwading
net: sched: fix warning in tcindex_alloc_perfect_hash
net: tipc: fix FB_MTU eat two pages
RDMA/mlx5: Don't access NULL-cleared mpi pointer
RDMA/core: Always release restrack object
MIPS: Fix PKMAP with 32-bit MIPS huge page support
staging: fbtft: Rectify GPIO handling
staging: fbtft: Don't spam logs when probe is deferred
ASoC: rt5682: Disable irq on shutdown
rcu: Invoke rcu_spawn_core_kthreads() from rcu_spawn_gp_kthread()
serial: fsl_lpuart: don't modify arbitrary data on lpuart32
serial: fsl_lpuart: remove RTSCTS handling from get_mctrl()
serial: 8250_omap: fix a timeout loop condition
tty: nozomi: Fix a resource leak in an error handling function
mwifiex: re-fix for unaligned accesses
iio: adis_buffer: do not return ints in irq handlers
iio: adis16400: do not return ints in irq handlers
iio: adis16475: do not return ints in irq handlers
iio: accel: bma180: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: accel: bma220: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: accel: hid: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: accel: kxcjk-1013: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: accel: mxc4005: Fix overread of data and alignment issue.
iio: accel: stk8312: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: accel: stk8ba50: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: adc: ti-ads1015: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: adc: vf610: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: gyro: bmg160: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: humidity: am2315: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: prox: srf08: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: prox: pulsed-light: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: prox: as3935: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: magn: hmc5843: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: magn: bmc150: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: light: isl29125: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: light: tcs3414: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: light: tcs3472: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: chemical: atlas: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: cros_ec_sensors: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
ASoC: rk3328: fix missing clk_disable_unprepare() on error in rk3328_platform_probe()
ASoC: hisilicon: fix missing clk_disable_unprepare() on error in hi6210_i2s_startup()
backlight: lm3630a_bl: Put fwnode in error case during ->probe()
ASoC: rsnd: tidyup loop on rsnd_adg_clk_query()
Input: hil_kbd - fix error return code in hil_dev_connect()
perf scripting python: Fix tuple_set_u64()
mtd: partitions: redboot: seek fis-index-block in the right node
mtd: rawnand: arasan: Ensure proper configuration for the asserted target
staging: mmal-vchiq: Fix incorrect static vchiq_instance.
char: pcmcia: error out if 'num_bytes_read' is greater than 4 in set_protocol()
firmware: stratix10-svc: Fix a resource leak in an error handling path
tty: nozomi: Fix the error handling path of 'nozomi_card_init()'
leds: class: The -ENOTSUPP should never be seen by user space
leds: lm3532: select regmap I2C API
leds: lm36274: Put fwnode in error case during ->probe()
leds: lm3692x: Put fwnode in any case during ->probe()
leds: lm3697: Don't spam logs when probe is deferred
leds: lp50xx: Put fwnode in error case during ->probe()
scsi: FlashPoint: Rename si_flags field
scsi: iscsi: Flush block work before unblock
mfd: mp2629: Select MFD_CORE to fix build error
mfd: rn5t618: Fix IRQ trigger by changing it to level mode
fsi: core: Fix return of error values on failures
fsi: scom: Reset the FSI2PIB engine for any error
fsi: occ: Don't accept response from un-initialized OCC
fsi/sbefifo: Clean up correct FIFO when receiving reset request from SBE
fsi/sbefifo: Fix reset timeout
visorbus: fix error return code in visorchipset_init()
iommu/amd: Fix extended features logging
s390/irq: select HAVE_IRQ_EXIT_ON_IRQ_STACK
s390: enable HAVE_IOREMAP_PROT
s390: appldata depends on PROC_SYSCTL
selftests: splice: Adjust for handler fallback removal
iommu/dma: Fix IOVA reserve dma ranges
ASoC: max98373-sdw: use first_hw_init flag on resume
ASoC: rt1308-sdw: use first_hw_init flag on resume
ASoC: rt5682-sdw: use first_hw_init flag on resume
ASoC: rt700-sdw: use first_hw_init flag on resume
ASoC: rt711-sdw: use first_hw_init flag on resume
ASoC: rt715-sdw: use first_hw_init flag on resume
ASoC: rt5682: fix getting the wrong device id when the suspend_stress_test
ASoC: rt5682-sdw: set regcache_cache_only false before reading RT5682_DEVICE_ID
ASoC: mediatek: mtk-btcvsd: Fix an error handling path in 'mtk_btcvsd_snd_probe()'
usb: gadget: f_fs: Fix setting of device and driver data cross-references
usb: dwc2: Don't reset the core after setting turnaround time
eeprom: idt_89hpesx: Put fwnode in matching case during ->probe()
eeprom: idt_89hpesx: Restore printing the unsupported fwnode name
thunderbolt: Bond lanes only when dual_link_port != NULL in alloc_dev_default()
iio: adc: at91-sama5d2: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: adc: hx711: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: adc: mxs-lradc: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
iio: magn: rm3100: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
iio: light: vcnl4000: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
ASoC: fsl_spdif: Fix error handler with pm_runtime_enable
staging: gdm724x: check for buffer overflow in gdm_lte_multi_sdu_pkt()
staging: gdm724x: check for overflow in gdm_lte_netif_rx()
staging: rtl8712: fix error handling in r871xu_drv_init
staging: rtl8712: fix memory leak in rtl871x_load_fw_cb
coresight: core: Fix use of uninitialized pointer
staging: mt7621-dts: fix pci address for PCI memory range
serial: 8250: Actually allow UPF_MAGIC_MULTIPLIER baud rates
iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
iio: prox: isl29501: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
ASoC: cs42l42: Correct definition of CS42L42_ADC_PDN_MASK
of: Fix truncation of memory sizes on 32-bit platforms
mtd: rawnand: marvell: add missing clk_disable_unprepare() on error in marvell_nfc_resume()
habanalabs: Fix an error handling path in 'hl_pci_probe()'
scsi: mpt3sas: Fix error return value in _scsih_expander_add()
soundwire: stream: Fix test for DP prepare complete
phy: uniphier-pcie: Fix updating phy parameters
phy: ti: dm816x: Fix the error handling path in 'dm816x_usb_phy_probe()
extcon: sm5502: Drop invalid register write in sm5502_reg_data
extcon: max8997: Add missing modalias string
powerpc/powernv: Fix machine check reporting of async store errors
ASoC: atmel-i2s: Fix usage of capture and playback at the same time
configfs: fix memleak in configfs_release_bin_file
ASoC: Intel: sof_sdw: add SOF_RT715_DAI_ID_FIX for AlderLake
ASoC: fsl_spdif: Fix unexpected interrupt after suspend
leds: as3645a: Fix error return code in as3645a_parse_node()
leds: ktd2692: Fix an error handling path
selftests/ftrace: fix event-no-pid on 1-core machine
serial: 8250: 8250_omap: Disable RX interrupt after DMA enable
serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
powerpc: Offline CPU in stop_this_cpu()
powerpc/papr_scm: Properly handle UUID types and API
powerpc/64s: Fix copy-paste data exposure into newly created tasks
powerpc/papr_scm: Make 'perf_stats' invisible if perf-stats unavailable
ALSA: firewire-lib: Fix 'amdtp_domain_start()' when no AMDTP_OUT_STREAM stream is found
serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
serial: mvebu-uart: correctly calculate minimal possible baudrate
arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
vfio/pci: Handle concurrent vma faults
mm/pmem: avoid inserting hugepage PTE entry with fsdax if hugepage support is disabled
mm/huge_memory.c: remove dedicated macro HPAGE_CACHE_INDEX_MASK
mm/huge_memory.c: add missing read-only THP checking in transparent_hugepage_enabled()
mm/huge_memory.c: don't discard hugepage if other processes are mapping it
mm/hugetlb: use helper huge_page_order and pages_per_huge_page
mm/hugetlb: remove redundant check in preparing and destroying gigantic page
hugetlb: remove prep_compound_huge_page cleanup
include/linux/huge_mm.h: remove extern keyword
mm/z3fold: fix potential memory leak in z3fold_destroy_pool()
mm/z3fold: use release_z3fold_page_locked() to release locked z3fold page
lib/math/rational.c: fix divide by zero
selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
selftests/vm/pkeys: refill shadow register after implicit kernel write
perf llvm: Return -ENOMEM when asprintf() fails
csky: fix syscache.c fallthrough warning
csky: syscache: Fixup duplicate cache flush
exfat: handle wrong stream entry size in exfat_readdir()
scsi: fc: Correct RHBA attributes length
scsi: target: cxgbit: Unmap DMA buffer before calling target_execute_cmd()
mailbox: qcom-ipcc: Fix IPCC mbox channel exhaustion
fscrypt: don't ignore minor_hash when hash is 0
fscrypt: fix derivation of SipHash keys on big endian CPUs
tpm: Replace WARN_ONCE() with dev_err_once() in tpm_tis_status()
erofs: fix error return code in erofs_read_superblock()
block: return the correct bvec when checking for gaps
io_uring: fix blocking inline submission
mmc: block: Disable CMDQ on the ioctl path
mmc: vub3000: fix control-request direction
media: exynos4-is: remove a now unused integer
scsi: core: Retry I/O for Notify (Enable Spinup) Required error
crypto: qce - fix error return code in qce_skcipher_async_req_handle()
s390: preempt: Fix preempt_count initialization
cred: add missing return error code when set_cred_ucounts() failed
iommu/dma: Fix compile warning in 32-bit builds
powerpc/preempt: Don't touch the idle task's preempt_count during hotplug
Linux 5.10.50
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iec4eab24ea8eb5a6d79739a1aec8432d93a8f82c
|
||
|
Valentin Schneider
|
3c51d82d0b |
sched/core: Initialize the idle task with preemption disabled
[ Upstream commit |
||
|
Peter Collingbourne
|
79cb255c79 |
BACKPORT: FROMGIT: mm: arch: remove indirection level in alloc_zeroed_user_highpage_movable()
In an upcoming change we would like to add a flag to
GFP_HIGHUSER_MOVABLE so that it would no longer be an OR
of GFP_HIGHUSER and __GFP_MOVABLE. This poses a problem for
alloc_zeroed_user_highpage_movable() which passes __GFP_MOVABLE
into an arch-specific __alloc_zeroed_user_highpage() hook which ORs
in GFP_HIGHUSER.
Since __alloc_zeroed_user_highpage() is only ever called from
alloc_zeroed_user_highpage_movable(), we can remove one level
of indirection here. Remove __alloc_zeroed_user_highpage(),
make alloc_zeroed_user_highpage_movable() the hook, and use
GFP_HIGHUSER_MOVABLE in the hook implementations so that they will
pick up the new flag that we are going to add.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Link: https://linux-review.googlesource.com/id/Ic6361c657b2cdcd896adbe0cf7cb5a7fbb1ed7bf
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210602235230.3928842-2-pcc@google.com
Signed-off-by: Will Deacon <will@kernel.org>
(cherry-picked from commit
|
||
|
Peter Collingbourne
|
90caa1ef9b |
UPSTREAM: arch: move SA_* definitions to generic headers
Most architectures with the exception of alpha, mips, parisc and
sparc use the same values for these flags. Move their definitions into
asm-generic/signal-defs.h and allow the architectures with non-standard
values to override them. Also, document the non-standard flag values
in order to make it easier to add new generic flags in the future.
A consequence of this change is that on powerpc and x86, the constants'
values aside from SA_RESETHAND change signedness from unsigned
to signed. This is not expected to impact realistic use of these
constants. In particular the typical use of the constants where they
are or'ed together and assigned to sa_flags (or another int variable)
would not be affected.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Link: https://linux-review.googlesource.com/id/Ia3849f18b8009bf41faca374e701cdca36974528
Link: https://lkml.kernel.org/r/b6d0d1ec34f9ee93e1105f14f288fba5f89d1f24.1605235762.git.pcc@google.com
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
(cherry picked from commit
|
||
|
Randy Dunlap
|
2179bae04b |
local64.h: make <asm/local64.h> mandatory
[ Upstream commit
|
||
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Peter Zijlstra
|
58c644ba51 |
sched/idle: Fix arch_cpu_idle() vs tracing
We call arch_cpu_idle() with RCU disabled, but then use
local_irq_{en,dis}able(), which invokes tracing, which relies on RCU.
Switch all arch_cpu_idle() implementations to use
raw_local_irq_{en,dis}able() and carefully manage the
lockdep,rcu,tracing state like we do in entry.
(XXX: we really should change arch_cpu_idle() to not return with
interrupts enabled)
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lkml.kernel.org/r/20201120114925.594122626@infradead.org
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|
Linus Torvalds
|
4a22709e21 |
arch-cleanup-2020-10-22
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Merge tag 'arch-cleanup-2020-10-22' of git://git.kernel.dk/linux-block
Pull arch task_work cleanups from Jens Axboe:
"Two cleanups that don't fit other categories:
- Finally get the task_work_add() cleanup done properly, so we don't
have random 0/1/false/true/TWA_SIGNAL confusing use cases. Updates
all callers, and also fixes up the documentation for
task_work_add().
- While working on some TIF related changes for 5.11, this
TIF_NOTIFY_RESUME cleanup fell out of that. Remove some arch
duplication for how that is handled"
* tag 'arch-cleanup-2020-10-22' of git://git.kernel.dk/linux-block:
task_work: cleanup notification modes
tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume()
|
||
|
Linus Torvalds
|
f56e65dff6 |
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull initial set_fs() removal from Al Viro:
"Christoph's set_fs base series + fixups"
* 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: Allow a NULL pos pointer to __kernel_read
fs: Allow a NULL pos pointer to __kernel_write
powerpc: remove address space overrides using set_fs()
powerpc: use non-set_fs based maccess routines
x86: remove address space overrides using set_fs()
x86: make TASK_SIZE_MAX usable from assembly code
x86: move PAGE_OFFSET, TASK_SIZE & friends to page_{32,64}_types.h
lkdtm: remove set_fs-based tests
test_bitmap: remove user bitmap tests
uaccess: add infrastructure for kernel builds with set_fs()
fs: don't allow splice read/write without explicit ops
fs: don't allow kernel reads and writes without iter ops
sysctl: Convert to iter interfaces
proc: add a read_iter method to proc proc_ops
proc: cleanup the compat vs no compat file ops
proc: remove a level of indentation in proc_get_inode
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|
Minchan Kim
|
ecb8ac8b1f |
mm/madvise: introduce process_madvise() syscall: an external memory hinting API
There is usecase that System Management Software(SMS) want to give a
memory hint like MADV_[COLD|PAGEEOUT] to other processes and in the
case of Android, it is the ActivityManagerService.
The information required to make the reclaim decision is not known to the
app. Instead, it is known to the centralized userspace
daemon(ActivityManagerService), and that daemon must be able to initiate
reclaim on its own without any app involvement.
To solve the issue, this patch introduces a new syscall
process_madvise(2). It uses pidfd of an external process to give the
hint. It also supports vector address range because Android app has
thousands of vmas due to zygote so it's totally waste of CPU and power if
we should call the syscall one by one for each vma.(With testing 2000-vma
syscall vs 1-vector syscall, it showed 15% performance improvement. I
think it would be bigger in real practice because the testing ran very
cache friendly environment).
Another potential use case for the vector range is to amortize the cost
ofTLB shootdowns for multiple ranges when using MADV_DONTNEED; this could
benefit users like TCP receive zerocopy and malloc implementations. In
future, we could find more usecases for other advises so let's make it
happens as API since we introduce a new syscall at this moment. With
that, existing madvise(2) user could replace it with process_madvise(2)
with their own pid if they want to have batch address ranges support
feature.
ince it could affect other process's address range, only privileged
process(PTRACE_MODE_ATTACH_FSCREDS) or something else(e.g., being the same
UID) gives it the right to ptrace the process could use it successfully.
The flag argument is reserved for future use if we need to extend the API.
I think supporting all hints madvise has/will supported/support to
process_madvise is rather risky. Because we are not sure all hints make
sense from external process and implementation for the hint may rely on
the caller being in the current context so it could be error-prone. Thus,
I just limited hints as MADV_[COLD|PAGEOUT] in this patch.
If someone want to add other hints, we could hear the usecase and review
it for each hint. It's safer for maintenance rather than introducing a
buggy syscall but hard to fix it later.
So finally, the API is as follows,
ssize_t process_madvise(int pidfd, const struct iovec *iovec,
unsigned long vlen, int advice, unsigned int flags);
DESCRIPTION
The process_madvise() system call is used to give advice or directions
to the kernel about the address ranges from external process as well as
local process. It provides the advice to address ranges of process
described by iovec and vlen. The goal of such advice is to improve
system or application performance.
The pidfd selects the process referred to by the PID file descriptor
specified in pidfd. (See pidofd_open(2) for further information)
The pointer iovec points to an array of iovec structures, defined in
<sys/uio.h> as:
struct iovec {
void *iov_base; /* starting address */
size_t iov_len; /* number of bytes to be advised */
};
The iovec describes address ranges beginning at address(iov_base)
and with size length of bytes(iov_len).
The vlen represents the number of elements in iovec.
The advice is indicated in the advice argument, which is one of the
following at this moment if the target process specified by pidfd is
external.
MADV_COLD
MADV_PAGEOUT
Permission to provide a hint to external process is governed by a
ptrace access mode PTRACE_MODE_ATTACH_FSCREDS check; see ptrace(2).
The process_madvise supports every advice madvise(2) has if target
process is in same thread group with calling process so user could
use process_madvise(2) to extend existing madvise(2) to support
vector address ranges.
RETURN VALUE
On success, process_madvise() returns the number of bytes advised.
This return value may be less than the total number of requested
bytes, if an error occurred. The caller should check return value
to determine whether a partial advice occurred.
FAQ:
Q.1 - Why does any external entity have better knowledge?
Quote from Sandeep
"For Android, every application (including the special SystemServer)
are forked from Zygote. The reason of course is to share as many
libraries and classes between the two as possible to benefit from the
preloading during boot.
After applications start, (almost) all of the APIs end up calling into
this SystemServer process over IPC (binder) and back to the
application.
In a fully running system, the SystemServer monitors every single
process periodically to calculate their PSS / RSS and also decides
which process is "important" to the user for interactivity.
So, because of how these processes start _and_ the fact that the
SystemServer is looping to monitor each process, it does tend to *know*
which address range of the application is not used / useful.
Besides, we can never rely on applications to clean things up
themselves. We've had the "hey app1, the system is low on memory,
please trim your memory usage down" notifications for a long time[1].
They rely on applications honoring the broadcasts and very few do.
So, if we want to avoid the inevitable killing of the application and
restarting it, some way to be able to tell the OS about unimportant
memory in these applications will be useful.
- ssp
Q.2 - How to guarantee the race(i.e., object validation) between when
giving a hint from an external process and get the hint from the target
process?
process_madvise operates on the target process's address space as it
exists at the instant that process_madvise is called. If the space
target process can run between the time the process_madvise process
inspects the target process address space and the time that
process_madvise is actually called, process_madvise may operate on
memory regions that the calling process does not expect. It's the
responsibility of the process calling process_madvise to close this
race condition. For example, the calling process can suspend the
target process with ptrace, SIGSTOP, or the freezer cgroup so that it
doesn't have an opportunity to change its own address space before
process_madvise is called. Another option is to operate on memory
regions that the caller knows a priori will be unchanged in the target
process. Yet another option is to accept the race for certain
process_madvise calls after reasoning that mistargeting will do no
harm. The suggested API itself does not provide synchronization. It
also apply other APIs like move_pages, process_vm_write.
The race isn't really a problem though. Why is it so wrong to require
that callers do their own synchronization in some manner? Nobody
objects to write(2) merely because it's possible for two processes to
open the same file and clobber each other's writes --- instead, we tell
people to use flock or something. Think about mmap. It never
guarantees newly allocated address space is still valid when the user
tries to access it because other threads could unmap the memory right
before. That's where we need synchronization by using other API or
design from userside. It shouldn't be part of API itself. If someone
needs more fine-grained synchronization rather than process level,
there were two ideas suggested - cookie[2] and anon-fd[3]. Both are
applicable via using last reserved argument of the API but I don't
think it's necessary right now since we have already ways to prevent
the race so don't want to add additional complexity with more
fine-grained optimization model.
To make the API extend, it reserved an unsigned long as last argument
so we could support it in future if someone really needs it.
Q.3 - Why doesn't ptrace work?
Injecting an madvise in the target process using ptrace would not work
for us because such injected madvise would have to be executed by the
target process, which means that process would have to be runnable and
that creates the risk of the abovementioned race and hinting a wrong
VMA. Furthermore, we want to act the hint in caller's context, not the
callee's, because the callee is usually limited in cpuset/cgroups or
even freezed state so they can't act by themselves quick enough, which
causes more thrashing/kill. It doesn't work if the target process are
ptraced(e.g., strace, debugger, minidump) because a process can have at
most one ptracer.
[1] https://developer.android.com/topic/performance/memory"
[2] process_getinfo for getting the cookie which is updated whenever
vma of process address layout are changed - Daniel Colascione -
https://lore.kernel.org/lkml/20190520035254.57579-1-minchan@kernel.org/T/#m7694416fd179b2066a2c62b5b139b14e3894e224
[3] anonymous fd which is used for the object(i.e., address range)
validation - Michal Hocko -
https://lore.kernel.org/lkml/20200120112722.GY18451@dhcp22.suse.cz/
[minchan@kernel.org: fix process_madvise build break for arm64]
Link: http://lkml.kernel.org/r/20200303145756.GA219683@google.com
[minchan@kernel.org: fix build error for mips of process_madvise]
Link: http://lkml.kernel.org/r/20200508052517.GA197378@google.com
[akpm@linux-foundation.org: fix patch ordering issue]
[akpm@linux-foundation.org: fix arm64 whoops]
[minchan@kernel.org: make process_madvise() vlen arg have type size_t, per Florian]
[akpm@linux-foundation.org: fix i386 build]
[sfr@canb.auug.org.au: fix syscall numbering]
Link: https://lkml.kernel.org/r/20200905142639.49fc3f1a@canb.auug.org.au
[sfr@canb.auug.org.au: madvise.c needs compat.h]
Link: https://lkml.kernel.org/r/20200908204547.285646b4@canb.auug.org.au
[minchan@kernel.org: fix mips build]
Link: https://lkml.kernel.org/r/20200909173655.GC2435453@google.com
[yuehaibing@huawei.com: remove duplicate header which is included twice]
Link: https://lkml.kernel.org/r/20200915121550.30584-1-yuehaibing@huawei.com
[minchan@kernel.org: do not use helper functions for process_madvise]
Link: https://lkml.kernel.org/r/20200921175539.GB387368@google.com
[akpm@linux-foundation.org: pidfd_get_pid() gained an argument]
[sfr@canb.auug.org.au: fix up for "iov_iter: transparently handle compat iovecs in import_iovec"]
Link: https://lkml.kernel.org/r/20200928212542.468e1fef@canb.auug.org.au
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Cc: Brian Geffon <bgeffon@google.com>
Cc: Christian Brauner <christian@brauner.io>
Cc: Daniel Colascione <dancol@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: John Dias <joaodias@google.com>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oleksandr Natalenko <oleksandr@redhat.com>
Cc: Sandeep Patil <sspatil@google.com>
Cc: SeongJae Park <sj38.park@gmail.com>
Cc: SeongJae Park <sjpark@amazon.de>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Sonny Rao <sonnyrao@google.com>
Cc: Tim Murray <timmurray@google.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Florian Weimer <fw@deneb.enyo.de>
Cc: <linux-man@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200302193630.68771-3-minchan@kernel.org
Link: http://lkml.kernel.org/r/20200508183320.GA125527@google.com
Link: http://lkml.kernel.org/r/20200622192900.22757-4-minchan@kernel.org
Link: https://lkml.kernel.org/r/20200901000633.1920247-4-minchan@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Jens Axboe
|
3c532798ec |
tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume()
All the callers currently do this, clean it up and move the clearing into tracehook_notify_resume() instead. Reviewed-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
5a32c3413d |
dma-mapping updates for 5.10
- rework the non-coherent DMA allocator
- move private definitions out of <linux/dma-mapping.h>
- lower CMA_ALIGNMENT (Paul Cercueil)
- remove the omap1 dma address translation in favor of the common
code
- make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
- support per-node DMA CMA areas (Barry Song)
- increase the default seg boundary limit (Nicolin Chen)
- misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
- various cleanups
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Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- rework the non-coherent DMA allocator
- move private definitions out of <linux/dma-mapping.h>
- lower CMA_ALIGNMENT (Paul Cercueil)
- remove the omap1 dma address translation in favor of the common code
- make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
- support per-node DMA CMA areas (Barry Song)
- increase the default seg boundary limit (Nicolin Chen)
- misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
- various cleanups
* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
ARM/ixp4xx: add a missing include of dma-map-ops.h
dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
dma-direct: factor out a dma_direct_alloc_from_pool helper
dma-direct check for highmem pages in dma_direct_alloc_pages
dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
dma-mapping: move dma-debug.h to kernel/dma/
dma-mapping: remove <asm/dma-contiguous.h>
dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
dma-contiguous: remove dma_contiguous_set_default
dma-contiguous: remove dev_set_cma_area
dma-contiguous: remove dma_declare_contiguous
dma-mapping: split <linux/dma-mapping.h>
cma: decrease CMA_ALIGNMENT lower limit to 2
firewire-ohci: use dma_alloc_pages
dma-iommu: implement ->alloc_noncoherent
dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
dma-mapping: add a new dma_alloc_pages API
dma-mapping: remove dma_cache_sync
53c700: convert to dma_alloc_noncoherent
...
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||
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Linus Torvalds
|
c90578360c |
Merge branch 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull copy_and_csum cleanups from Al Viro:
"Saner calling conventions for csum_and_copy_..._user() and friends"
[ Removing 800+ lines of code and cleaning stuff up is good - Linus ]
* 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ppc: propagate the calling conventions change down to csum_partial_copy_generic()
amd64: switch csum_partial_copy_generic() to new calling conventions
sparc64: propagate the calling convention changes down to __csum_partial_copy_...()
xtensa: propagate the calling conventions change down into csum_partial_copy_generic()
mips: propagate the calling convention change down into __csum_partial_copy_..._user()
mips: __csum_partial_copy_kernel() has no users left
mips: csum_and_copy_{to,from}_user() are never called under KERNEL_DS
sparc32: propagate the calling conventions change down to __csum_partial_copy_sparc_generic()
i386: propagate the calling conventions change down to csum_partial_copy_generic()
sh: propage the calling conventions change down to csum_partial_copy_generic()
m68k: get rid of zeroing destination on error in csum_and_copy_from_user()
arm: propagate the calling convention changes down to csum_partial_copy_from_user()
alpha: propagate the calling convention changes down to csum_partial_copy.c helpers
saner calling conventions for csum_and_copy_..._user()
csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum
csum_partial_copy_nocheck(): drop the last argument
unify generic instances of csum_partial_copy_nocheck()
icmp_push_reply(): reorder adding the checksum up
skb_copy_and_csum_bits(): don't bother with the last argument
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Linus Torvalds
|
34eb62d868 |
Orphan link sections were a long-standing source of obscure bugs,
because the heuristics that various linkers & compilers use to handle them (include these bits into the output image vs discarding them silently) are both highly idiosyncratic and also version dependent. Instead of this historically problematic mess, this tree by Kees Cook (et al) adds build time asserts and build time warnings if there's any orphan section in the kernel or if a section is not sized as expected. And because we relied on so many silent assumptions in this area, fix a metric ton of dependencies and some outright bugs related to this, before we can finally enable the checks on the x86, ARM and ARM64 platforms. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl+Edv4RHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hiKBAApdJEOaK7hMc3013DYNctklIxEPJL2mFJ 11YJRIh4pUJTF0TE+EHT/D+rSIuRsyuoSmOQBQ61/wVSnyG067GjjVJRqh/eYaJ1 fDhJi2FuHOjXl+CiN0KxzBjjp+V4NhF7jHT59tpQSvfZeg7FjteoxfztxaCp5ek3 S3wHB3CC4c4jE3lfjHem1E9/PwT4kwPYx1c3gAUdEqJdjkihjX9fWusfjLeqW6/d Y5VkApi6bL9XiZUZj5l0dEIweLJJ86+PkKJqpo3spxxEak1LSn1MEix+lcJ8e1Kg sb/bEEivDcmFlFWOJnn0QLquCR0Cx5bz1pwsL0tuf0yAd4+sXX5IMuGUysZlEdKM BHL9h5HbevGF4BScwZwZH7lyEg7q67s5KnRu4hxy0Swfcj7y0oT/9lXqpbpZ2DqO Hd+bRRQKIbqnTMp0hcit9LfpLp93vj0dBlaV5ocAJJlu62u9VnwGG5HQuZ5giLUr kA1SLw63Y1wopFRxgFyER8les7eLsu0zxHeK44rRVlVnfI99OMTOgVNicmDFy3Fm AfcnfJG0BqBEJGQz5es34uQQKKBwFPtC9NztopI62KiwOspYYZyrO1BNxdOc6DlS mIHrmO89HMXuid5eolvLaFqUWirHoWO8TlycgZxUWVHc2txVPjAEU/axouU/dSSU w/6GpzAa+7g= =fXAw -----END PGP SIGNATURE----- Merge tag 'core-build-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull orphan section checking from Ingo Molnar: "Orphan link sections were a long-standing source of obscure bugs, because the heuristics that various linkers & compilers use to handle them (include these bits into the output image vs discarding them silently) are both highly idiosyncratic and also version dependent. Instead of this historically problematic mess, this tree by Kees Cook (et al) adds build time asserts and build time warnings if there's any orphan section in the kernel or if a section is not sized as expected. And because we relied on so many silent assumptions in this area, fix a metric ton of dependencies and some outright bugs related to this, before we can finally enable the checks on the x86, ARM and ARM64 platforms" * tag 'core-build-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) x86/boot/compressed: Warn on orphan section placement x86/build: Warn on orphan section placement arm/boot: Warn on orphan section placement arm/build: Warn on orphan section placement arm64/build: Warn on orphan section placement x86/boot/compressed: Add missing debugging sections to output x86/boot/compressed: Remove, discard, or assert for unwanted sections x86/boot/compressed: Reorganize zero-size section asserts x86/build: Add asserts for unwanted sections x86/build: Enforce an empty .got.plt section x86/asm: Avoid generating unused kprobe sections arm/boot: Handle all sections explicitly arm/build: Assert for unwanted sections arm/build: Add missing sections arm/build: Explicitly keep .ARM.attributes sections arm/build: Refactor linker script headers arm64/build: Assert for unwanted sections arm64/build: Add missing DWARF sections arm64/build: Use common DISCARDS in linker script arm64/build: Remove .eh_frame* sections due to unwind tables ... |
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Christoph Hellwig
|
0a0f0d8be7 |
dma-mapping: split <linux/dma-mapping.h>
Split out all the bits that are purely for dma_map_ops implementations and related code into a new <linux/dma-map-ops.h> header so that they don't get pulled into all the drivers. That also means the architecture specific <asm/dma-mapping.h> is not pulled in by <linux/dma-mapping.h> any more, which leads to a missing includes that were pulled in by the x86 or arm versions in a few not overly portable drivers. Signed-off-by: Christoph Hellwig <hch@lst.de> |
||
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Christoph Hellwig
|
efa70f2fdc |
dma-mapping: add a new dma_alloc_pages API
This API is the equivalent of alloc_pages, except that the returned memory is guaranteed to be DMA addressable by the passed in device. The implementation will also be used to provide a more sensible replacement for DMA_ATTR_NON_CONSISTENT flag. Additionally dma_alloc_noncoherent is switched over to use dma_alloc_pages as its backend. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> (MIPS part) |
||
|
Christoph Hellwig
|
5e6e9852d6 |
uaccess: add infrastructure for kernel builds with set_fs()
Add a CONFIG_SET_FS option that is selected by architecturess that implement set_fs, which is all of them initially. If the option is not set stubs for routines related to overriding the address space are provided so that architectures can start to opt out of providing set_fs. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Nicolin Chen
|
1e9d90dbed |
dma-mapping: introduce dma_get_seg_boundary_nr_pages()
We found that callers of dma_get_seg_boundary mostly do an ALIGN
with page mask and then do a page shift to get number of pages:
ALIGN(boundary + 1, 1 << shift) >> shift
However, the boundary might be as large as ULONG_MAX, which means
that a device has no specific boundary limit. So either "+ 1" or
passing it to ALIGN() would potentially overflow.
According to kernel defines:
#define ALIGN_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define ALIGN(x, a) ALIGN_MASK(x, (typeof(x))(a) - 1)
We can simplify the logic here into a helper function doing:
ALIGN(boundary + 1, 1 << shift) >> shift
= ALIGN_MASK(b + 1, (1 << s) - 1) >> s
= {[b + 1 + (1 << s) - 1] & ~[(1 << s) - 1]} >> s
= [b + 1 + (1 << s) - 1] >> s
= [b + (1 << s)] >> s
= (b >> s) + 1
This patch introduces and applies dma_get_seg_boundary_nr_pages()
as an overflow-free helper for the dma_get_seg_boundary() callers
to get numbers of pages. It also takes care of the NULL dev case
for non-DMA API callers.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Christoph Hellwig <hch@lst.de>
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|
Kees Cook
|
c604abc3f6 |
vmlinux.lds.h: Split ELF_DETAILS from STABS_DEBUG
The .comment section doesn't belong in STABS_DEBUG. Split it out into a new macro named ELF_DETAILS. This will gain other non-debug sections that need to be accounted for when linking with --orphan-handling=warn. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: linux-arch@vger.kernel.org Link: https://lore.kernel.org/r/20200821194310.3089815-5-keescook@chromium.org |
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|
Gustavo A. R. Silva
|
df561f6688 |
treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> |
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|
Al Viro
|
b712139543 |
alpha: propagate the calling convention changes down to csum_partial_copy.c helpers
get rid of set_fs() in csum_partial_copy_nocheck(), while we are at it - just take the part of csum_and_copy_from_user() sans the access_ok() check into a helper function and have csum_partial_copy_nocheck() call that. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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|
Al Viro
|
c693cc4676 |
saner calling conventions for csum_and_copy_..._user()
All callers of these primitives will * discard anything we might've copied in case of error * ignore the csum value in case of error * always pass 0xffffffff as the initial sum, so the resulting csum value (in case of success, that is) will never be 0. That suggest the following calling conventions: * don't pass err_ptr - just return 0 on error. * don't bother with zeroing destination, etc. in case of error * don't pass the initial sum - just use 0xffffffff. This commit does the minimal conversion in the instances of csum_and_copy_...(); the changes of actual asm code behind them are done later in the series. Note that this asm code is often shared with csum_partial_copy_nocheck(); the difference is that csum_partial_copy_nocheck() passes 0 for initial sum while csum_and_copy_..._user() pass 0xffffffff. Fortunately, we are free to pass 0xffffffff in all cases and subsequent patches will use that freedom without any special comments. A part that could be split off: parisc and uml/i386 claimed to have csum_and_copy_to_user() instances of their own, but those were identical to the generic one, so we simply drop them. Not sure if it's worth a separate commit... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Al Viro
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cc44c17baf |
csum_partial_copy_nocheck(): drop the last argument
It's always 0. Note that we theoretically could use ~0U as well - result will be the same modulo 0xffff, _if_ the damn thing did the right thing for any value of initial sum; later we'll make use of that when convenient. However, unlike csum_and_copy_..._user(), there are instances that did not work for arbitrary initial sums; c6x is one such. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Al Viro
|
6e41c585e3 |
unify generic instances of csum_partial_copy_nocheck()
quite a few architectures have the same csum_partial_copy_nocheck() - simply memcpy() the data and then return the csum of the copy. hexagon, parisc, ia64, s390, um: explicitly spelled out that way. arc, arm64, csky, h8300, m68k/nommu, microblaze, mips/GENERIC_CSUM, nds32, nios2, openrisc, riscv, unicore32: end up picking the same thing spelled out in lib/checksum.h (with varying amounts of perversions along the way). everybody else (alpha, arm, c6x, m68k/mmu, mips/!GENERIC_CSUM, powerpc, sh, sparc, x86, xtensa) have non-generic variants. For all except c6x the declaration is in their asm/checksum.h. c6x uses the wrapper from asm-generic/checksum.h that would normally lead to the lib/checksum.h instance, but in case of c6x we end up using an asm function from arch/c6x instead. Screw that mess - have architectures with private instances define _HAVE_ARCH_CSUM_AND_COPY in their asm/checksum.h and have the default one right in net/checksum.h conditional on _HAVE_ARCH_CSUM_AND_COPY *not* defined. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Krzysztof Kozlowski
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8f28ca6bd8 |
iomap: constify ioreadX() iomem argument (as in generic implementation)
Patch series "iomap: Constify ioreadX() iomem argument", v3. The ioread8/16/32() and others have inconsistent interface among the architectures: some taking address as const, some not. It seems there is nothing really stopping all of them to take pointer to const. This patch (of 4): The ioreadX() and ioreadX_rep() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. [krzk@kernel.org: sh: clk: fix assignment from incompatible pointer type for ioreadX()] Link: http://lkml.kernel.org/r/20200723082017.24053-1-krzk@kernel.org [akpm@linux-foundation.org: fix drivers/mailbox/bcm-pdc-mailbox.c] Link: http://lkml.kernel.org/r/202007132209.Rxmv4QyS%25lkp@intel.com Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Allen Hubbe <allenbh@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Link: http://lkml.kernel.org/r/20200709072837.5869-1-krzk@kernel.org Link: http://lkml.kernel.org/r/20200709072837.5869-2-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Xiaoming Ni
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88db0aa242 |
all arch: remove system call sys_sysctl
Since commit
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Peter Xu
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c0f6eda41f |
mm/alpha: use general page fault accounting
Use the general page fault accounting by passing regs into handle_mm_fault(). Add the missing PERF_COUNT_SW_PAGE_FAULTS perf events too. Note, the other two perf events (PERF_COUNT_SW_PAGE_FAULTS_[MAJ|MIN]) were done in handle_mm_fault(). Signed-off-by: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Link: http://lkml.kernel.org/r/20200707225021.200906-3-peterx@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Peter Xu
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bce617edec |
mm: do page fault accounting in handle_mm_fault
Patch series "mm: Page fault accounting cleanups", v5.
This is v5 of the pf accounting cleanup series. It originates from Gerald
Schaefer's report on an issue a week ago regarding to incorrect page fault
accountings for retried page fault after commit
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Luc Van Oostenryck
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bd72866b8d |
alpha: fix annotation of io{read,write}{16,32}be()
These accessors must be used to read/write a big-endian bus. The value
returned or written is native-endian.
However, these accessors are defined using be{16,32}_to_cpu() or
cpu_to_be{16,32}() to make the endian conversion but these expect a
__be{16,32} when none is present. Keeping them would need a force cast
that would solve nothing at all.
So, do the conversion using swab{16,32}, like done in asm-generic for
similar situations.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: http://lkml.kernel.org/r/20200622114232.80039-1-luc.vanoostenryck@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Christoph Hellwig
|
428e2976a5 |
uaccess: remove segment_eq
segment_eq is only used to implement uaccess_kernel. Just open code uaccess_kernel in the arch uaccess headers and remove one layer of indirection. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Greentime Hu <green.hu@gmail.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Nick Hu <nickhu@andestech.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Link: http://lkml.kernel.org/r/20200710135706.537715-5-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
f9cb654cb5 |
asm-generic: pgalloc: provide generic pgd_free()
Most architectures define pgd_free() as a wrapper for free_page(). Provide a generic version in asm-generic/pgalloc.h and enable its use for most architectures. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Joerg Roedel <joro@8bytes.org> Cc: Joerg Roedel <jroedel@suse.de> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Matthew Wilcox <willy@infradead.org> Link: http://lkml.kernel.org/r/20200627143453.31835-7-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
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1355c31eeb |
asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()
For most architectures that support >2 levels of page tables, pmd_alloc_one() is a wrapper for __get_free_pages(), sometimes with __GFP_ZERO and sometimes followed by memset(0) instead. More elaborate versions on arm64 and x86 account memory for the user page tables and call to pgtable_pmd_page_ctor() as the part of PMD page initialization. Move the arm64 version to include/asm-generic/pgalloc.h and use the generic version on several architectures. The pgtable_pmd_page_ctor() is a NOP when ARCH_ENABLE_SPLIT_PMD_PTLOCK is not enabled, so there is no functional change for most architectures except of the addition of __GFP_ACCOUNT for allocation of user page tables. The pmd_free() is a wrapper for free_page() in all the cases, so no functional change here. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Pekka Enberg <penberg@kernel.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Joerg Roedel <joro@8bytes.org> Cc: Joerg Roedel <jroedel@suse.de> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Link: http://lkml.kernel.org/r/20200627143453.31835-5-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
ca15ca406f |
mm: remove unneeded includes of <asm/pgalloc.h>
Patch series "mm: cleanup usage of <asm/pgalloc.h>"
Most architectures have very similar versions of pXd_alloc_one() and
pXd_free_one() for intermediate levels of page table. These patches add
generic versions of these functions in <asm-generic/pgalloc.h> and enable
use of the generic functions where appropriate.
In addition, functions declared and defined in <asm/pgalloc.h> headers are
used mostly by core mm and early mm initialization in arch and there is no
actual reason to have the <asm/pgalloc.h> included all over the place.
The first patch in this series removes unneeded includes of
<asm/pgalloc.h>
In the end it didn't work out as neatly as I hoped and moving
pXd_alloc_track() definitions to <asm-generic/pgalloc.h> would require
unnecessary changes to arches that have custom page table allocations, so
I've decided to move lib/ioremap.c to mm/ and make pgalloc-track.h local
to mm/.
This patch (of 8):
In most cases <asm/pgalloc.h> header is required only for allocations of
page table memory. Most of the .c files that include that header do not
use symbols declared in <asm/pgalloc.h> and do not require that header.
As for the other header files that used to include <asm/pgalloc.h>, it is
possible to move that include into the .c file that actually uses symbols
from <asm/pgalloc.h> and drop the include from the header file.
The process was somewhat automated using
sed -i -E '/[<"]asm\/pgalloc\.h/d' \
$(grep -L -w -f /tmp/xx \
$(git grep -E -l '[<"]asm/pgalloc\.h'))
where /tmp/xx contains all the symbols defined in
arch/*/include/asm/pgalloc.h.
[rppt@linux.ibm.com: fix powerpc warning]
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Link: http://lkml.kernel.org/r/20200627143453.31835-1-rppt@kernel.org
Link: http://lkml.kernel.org/r/20200627143453.31835-2-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Linus Torvalds
|
2ed90dbbf7 |
dma-mapping updates for 5.9
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||
|
Linus Torvalds
|
4f30a60aa7 |
close-range-v5.9
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Merge tag 'close-range-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull close_range() implementation from Christian Brauner:
"This adds the close_range() syscall. It allows to efficiently close a
range of file descriptors up to all file descriptors of a calling
task.
This is coordinated with the FreeBSD folks which have copied our
version of this syscall and in the meantime have already merged it in
April 2019:
https://reviews.freebsd.org/D21627
https://svnweb.freebsd.org/base?view=revision&revision=359836
The syscall originally came up in a discussion around the new mount
API and making new file descriptor types cloexec by default. During
this discussion, Al suggested the close_range() syscall.
First, it helps to close all file descriptors of an exec()ing task.
This can be done safely via (quoting Al's example from [1] verbatim):
/* that exec is sensitive */
unshare(CLONE_FILES);
/* we don't want anything past stderr here */
close_range(3, ~0U);
execve(....);
The code snippet above is one way of working around the problem that
file descriptors are not cloexec by default. This is aggravated by the
fact that we can't just switch them over without massively regressing
userspace. For a whole class of programs having an in-kernel method of
closing all file descriptors is very helpful (e.g. demons, service
managers, programming language standard libraries, container managers
etc.).
Second, it allows userspace to avoid implementing closing all file
descriptors by parsing through /proc/<pid>/fd/* and calling close() on
each file descriptor and other hacks. From looking at various
large(ish) userspace code bases this or similar patterns are very
common in service managers, container runtimes, and programming
language runtimes/standard libraries such as Python or Rust.
In addition, the syscall will also work for tasks that do not have
procfs mounted and on kernels that do not have procfs support compiled
in. In such situations the only way to make sure that all file
descriptors are closed is to call close() on each file descriptor up
to UINT_MAX or RLIMIT_NOFILE, OPEN_MAX trickery.
Based on Linus' suggestion close_range() also comes with a new flag
CLOSE_RANGE_UNSHARE to more elegantly handle file descriptor dropping
right before exec. This would usually be expressed in the sequence:
unshare(CLONE_FILES);
close_range(3, ~0U);
as pointed out by Linus it might be desirable to have this be a part
of close_range() itself under a new flag CLOSE_RANGE_UNSHARE which
gets especially handy when we're closing all file descriptors above a
certain threshold.
Test-suite as always included"
* tag 'close-range-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
tests: add CLOSE_RANGE_UNSHARE tests
close_range: add CLOSE_RANGE_UNSHARE
tests: add close_range() tests
arch: wire-up close_range()
open: add close_range()
|
||
|
Linus Torvalds
|
9ba27414f2 |
fork-v5.9
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Merge tag 'fork-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull fork cleanups from Christian Brauner:
"This is cleanup series from when we reworked a chunk of the process
creation paths in the kernel and switched to struct
{kernel_}clone_args.
High-level this does two main things:
- Remove the double export of both do_fork() and _do_fork() where
do_fork() used the incosistent legacy clone calling convention.
Now we only export _do_fork() which is based on struct
kernel_clone_args.
- Remove the copy_thread_tls()/copy_thread() split making the
architecture specific HAVE_COYP_THREAD_TLS config option obsolete.
This switches all remaining architectures to select
HAVE_COPY_THREAD_TLS and thus to the copy_thread_tls() calling
convention. The current split makes the process creation codepaths
more convoluted than they need to be. Each architecture has their own
copy_thread() function unless it selects HAVE_COPY_THREAD_TLS then it
has a copy_thread_tls() function.
The split is not needed anymore nowadays, all architectures support
CLONE_SETTLS but quite a few of them never bothered to select
HAVE_COPY_THREAD_TLS and instead simply continued to use copy_thread()
and use the old calling convention. Removing this split cleans up the
process creation codepaths and paves the way for implementing clone3()
on such architectures since it requires the copy_thread_tls() calling
convention.
After having made each architectures support copy_thread_tls() this
series simply renames that function back to copy_thread(). It also
switches all architectures that call do_fork() directly over to
_do_fork() and the struct kernel_clone_args calling convention. This
is a corollary of switching the architectures that did not yet support
it over to copy_thread_tls() since do_fork() is conditional on not
supporting copy_thread_tls() (Mostly because it lacks a separate
argument for tls which is trivial to fix but there's no need for this
function to exist.).
The do_fork() removal is in itself already useful as it allows to to
remove the export of both do_fork() and _do_fork() we currently have
in favor of only _do_fork(). This has already been discussed back when
we added clone3(). The legacy clone() calling convention is - as is
probably well-known - somewhat odd:
#
# ABI hall of shame
#
config CLONE_BACKWARDS
config CLONE_BACKWARDS2
config CLONE_BACKWARDS3
that is aggravated by the fact that some architectures such as sparc
follow the CLONE_BACKWARDSx calling convention but don't really select
the corresponding config option since they call do_fork() directly.
So do_fork() enforces a somewhat arbitrary calling convention in the
first place that doesn't really help the individual architectures that
deviate from it. They can thus simply be switched to _do_fork()
enforcing a single calling convention. (I really hope that any new
architectures will __not__ try to implement their own calling
conventions...)
Most architectures already have made a similar switch (m68k comes to
mind).
Overall this removes more code than it adds even with a good portion
of added comments. It simplifies a chunk of arch specific assembly
either by moving the code into C or by simply rewriting the assembly.
Architectures that have been touched in non-trivial ways have all been
actually boot and stress tested: sparc and ia64 have been tested with
Debian 9 images. They are the two architectures which have been
touched the most. All non-trivial changes to architectures have seen
acks from the relevant maintainers. nios2 with a custom built
buildroot image. h8300 I couldn't get something bootable to test on
but the changes have been fairly automatic and I'm sure we'll hear
people yell if I broke something there.
All other architectures that have been touched in trivial ways have
been compile tested for each single patch of the series via git rebase
-x "make ..." v5.8-rc2. arm{64} and x86{_64} have been boot tested
even though they have just been trivially touched (removal of the
HAVE_COPY_THREAD_TLS macro from their Kconfig) because well they are
basically "core architectures" and since it is trivial to get your
hands on a useable image"
* tag 'fork-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
arch: rename copy_thread_tls() back to copy_thread()
arch: remove HAVE_COPY_THREAD_TLS
unicore: switch to copy_thread_tls()
sh: switch to copy_thread_tls()
nds32: switch to copy_thread_tls()
microblaze: switch to copy_thread_tls()
hexagon: switch to copy_thread_tls()
c6x: switch to copy_thread_tls()
alpha: switch to copy_thread_tls()
fork: remove do_fork()
h8300: select HAVE_COPY_THREAD_TLS, switch to kernel_clone_args
nios2: enable HAVE_COPY_THREAD_TLS, switch to kernel_clone_args
ia64: enable HAVE_COPY_THREAD_TLS, switch to kernel_clone_args
sparc: unconditionally enable HAVE_COPY_THREAD_TLS
sparc: share process creation helpers between sparc and sparc64
sparc64: enable HAVE_COPY_THREAD_TLS
fork: fold legacy_clone_args_valid() into _do_fork()
|
||
|
Linus Torvalds
|
9ba19ccd2d |
These were the main changes in this cycle:
- LKMM updates: mostly documentation changes, but also some new litmus tests for atomic ops.
- KCSAN updates: the most important change is that GCC 11 now has all fixes in place
to support KCSAN, so GCC support can be enabled again. Also more annotations.
- futex updates: minor cleanups and simplifications
- seqlock updates: merge preparatory changes/cleanups for the 'associated locks' facilities.
- lockdep updates:
- simplify IRQ trace event handling
- add various new debug checks
- simplify header dependencies, split out <linux/lockdep_types.h>, decouple
lockdep from other low level headers some more
- fix NMI handling
- misc cleanups and smaller fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- LKMM updates: mostly documentation changes, but also some new litmus
tests for atomic ops.
- KCSAN updates: the most important change is that GCC 11 now has all
fixes in place to support KCSAN, so GCC support can be enabled again.
Also more annotations.
- futex updates: minor cleanups and simplifications
- seqlock updates: merge preparatory changes/cleanups for the
'associated locks' facilities.
- lockdep updates:
- simplify IRQ trace event handling
- add various new debug checks
- simplify header dependencies, split out <linux/lockdep_types.h>,
decouple lockdep from other low level headers some more
- fix NMI handling
- misc cleanups and smaller fixes
* tag 'locking-core-2020-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits)
kcsan: Improve IRQ state trace reporting
lockdep: Refactor IRQ trace events fields into struct
seqlock: lockdep assert non-preemptibility on seqcount_t write
lockdep: Add preemption enabled/disabled assertion APIs
seqlock: Implement raw_seqcount_begin() in terms of raw_read_seqcount()
seqlock: Add kernel-doc for seqcount_t and seqlock_t APIs
seqlock: Reorder seqcount_t and seqlock_t API definitions
seqlock: seqcount_t latch: End read sections with read_seqcount_retry()
seqlock: Properly format kernel-doc code samples
Documentation: locking: Describe seqlock design and usage
locking/qspinlock: Do not include atomic.h from qspinlock_types.h
locking/atomic: Move ATOMIC_INIT into linux/types.h
lockdep: Move list.h inclusion into lockdep.h
locking/lockdep: Fix TRACE_IRQFLAGS vs. NMIs
futex: Remove unused or redundant includes
futex: Consistently use fshared as boolean
futex: Remove needless goto's
futex: Remove put_futex_key()
rwsem: fix commas in initialisation
docs: locking: Replace HTTP links with HTTPS ones
...
|
||
|
Herbert Xu
|
7ca8cf5347 |
locking/atomic: Move ATOMIC_INIT into linux/types.h
This patch moves ATOMIC_INIT from asm/atomic.h into linux/types.h. This allows users of atomic_t to use ATOMIC_INIT without having to include atomic.h as that way may lead to header loops. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Waiman Long <longman@redhat.com> Link: https://lkml.kernel.org/r/20200729123105.GB7047@gondor.apana.org.au |
||
|
Will Deacon
|
bb7cdd3818 |
alpha: Replace smp_read_barrier_depends() usage with smp_[r]mb()
In preparation for removing smp_read_barrier_depends() altogether, move the Alpha code over to using smp_rmb() and smp_mb() directly. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> |
||
|
Will Deacon
|
d646285885 |
alpha: Override READ_ONCE() with barriered implementation
Rather then relying on the core code to use smp_read_barrier_depends() as part of the READ_ONCE() definition, instead override __READ_ONCE() in the Alpha code so that it generates the required mb() and then implement smp_load_acquire() using the new macro to avoid redundant back-to-back barriers from the generic implementation. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> |
||
|
Christoph Hellwig
|
2f9237d4f6 |
dma-mapping: make support for dma ops optional
Avoid the overhead of the dma ops support for tiny builds that only use the direct mapping. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru> |
||
|
Christian Brauner
|
714acdbd1c
|
arch: rename copy_thread_tls() back to copy_thread()
Now that HAVE_COPY_THREAD_TLS has been removed, rename copy_thread_tls() back simply copy_thread(). It's a simpler name, and doesn't imply that only tls is copied here. This finishes an outstanding chunk of internal process creation work since we've added clone3(). Cc: linux-arch@vger.kernel.org Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>A Acked-by: Stafford Horne <shorne@gmail.com> Acked-by: Greentime Hu <green.hu@gmail.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>A Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
||
|
Christian Brauner
|
140c8180eb
|
arch: remove HAVE_COPY_THREAD_TLS
All architectures support copy_thread_tls() now, so remove the legacy copy_thread() function and the HAVE_COPY_THREAD_TLS config option. Everyone uses the same process creation calling convention based on copy_thread_tls() and struct kernel_clone_args. This will make it easier to maintain the core process creation code under kernel/, simplifies the callpaths and makes the identical for all architectures. Cc: linux-arch@vger.kernel.org Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Greentime Hu <green.hu@gmail.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |