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894297 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Mauro Carvalho Chehab
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77ce1a47eb |
docs: filesystems: add overlayfs to index.rst
While the document is there, it is currently missing at the index file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/3b8e7783b1fcc71e4f94af5ea8e5fa264392f8c4.1580193653.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Mauro Carvalho Chehab
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1edca3c64e |
docs: usb: remove some broken references
It seems that some files were removed from USB documentation. Update the links accordingly. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/00008303fde6b4e06d027d3b76ae7032614a7030.1580193653.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Sven Schnelle
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af4ddd607d |
selftests/ftrace: fix glob selftest
test.d/ftrace/func-filter-glob.tc is failing on s390 because it has ARCH_INLINE_SPIN_LOCK and friends set to 'y'. So the usual __raw_spin_lock symbol isn't in the ftrace function list. Change '*aw*lock' to '*spin*lock' which would hopefully match some of the locking functions on all platforms. Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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Linus Torvalds
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f6170f0afb |
Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Ingo Molnar:
"Misc changes:
- Enhance #GP fault printouts by distinguishing between canonical and
non-canonical address faults, and also add KASAN fault decoding.
- Fix/enhance the x86 NMI handler by putting the duration check into
a direct function call instead of an irq_work which we know to be
broken in some cases.
- Clean up do_general_protection() a bit"
* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Remove irq_work from the long duration NMI handler
x86/traps: Cleanup do_general_protection()
x86/kasan: Print original address on #GP
x86/dumpstack: Introduce die_addr() for die() with #GP fault address
x86/traps: Print address on #GP
x86/insn-eval: Add support for 64-bit kernel mode
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Linus Torvalds
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6da49d1abd |
Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar: "Misc cleanups all around the map" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU/AMD: Remove amd_get_topology_early() x86/tsc: Remove redundant assignment x86/crash: Use resource_size() x86/cpu: Add a missing prototype for arch_smt_update() x86/nospec: Remove unused RSB_FILL_LOOPS x86/vdso: Provide missing include file x86/Kconfig: Correct spelling and punctuation Documentation/x86/boot: Fix typo x86/boot: Fix a comment's incorrect file reference x86/process: Remove set but not used variables prev and next x86/Kconfig: Fix Kconfig indentation |
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Linus Torvalds
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4244057c3d |
Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Ingo Molnar:
"The main change in this tree is the extension of the resctrl procfs
ABI with a new file that helps tooling to navigate from tasks back to
resctrl groups: /proc/{pid}/cpu_resctrl_groups.
Also fix static key usage for certain feature combinations and
simplify the task exit resctrl case"
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Add task resctrl information display
x86/resctrl: Check monitoring static key in the MBM overflow handler
x86/resctrl: Do not reconfigure exiting tasks
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Linus Torvalds
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6b90e71a47 |
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot update from Ingo Molnar: "Two minor changes: fix an atypical binutils combination build bug, and also fix a VRAM size check for simplefb" * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sysfb: Fix check for bad VRAM size x86/boot: Discard .eh_frame sections |
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Linus Torvalds
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bcc8aff6af |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar:
"Misc updates:
- Remove last remaining calls to exception_enter/exception_exit() and
simplify the entry code some more.
- Remove force_iret()
- Add support for "Fast Short Rep Mov", which is available starting
with Ice Lake Intel CPUs - and make the x86 assembly version of
memmove() use REP MOV for all sizes when FSRM is available.
- Micro-optimize/simplify the 32-bit boot code a bit.
- Use a more future-proof SYSRET instruction mnemonic"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Simplify calculation of output address
x86/entry/64: Add instruction suffix to SYSRET
x86: Remove force_iret()
x86/cpufeatures: Add support for fast short REP; MOVSB
x86/context-tracking: Remove exception_enter/exit() from KVM_PV_REASON_PAGE_NOT_PRESENT async page fault
x86/context-tracking: Remove exception_enter/exit() from do_page_fault()
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Linus Torvalds
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435dd727a4 |
Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic fix from Ingo Molnar: "A single commit that simplifies the code and gets rid of a compiler warning" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/apic/uv: Avoid unused variable warning |
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Linus Torvalds
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c677124e63 |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"These were the main changes in this cycle:
- More -rt motivated separation of CONFIG_PREEMPT and
CONFIG_PREEMPTION.
- Add more low level scheduling topology sanity checks and warnings
to filter out nonsensical topologies that break scheduling.
- Extend uclamp constraints to influence wakeup CPU placement
- Make the RT scheduler more aware of asymmetric topologies and CPU
capacities, via uclamp metrics, if CONFIG_UCLAMP_TASK=y
- Make idle CPU selection more consistent
- Various fixes, smaller cleanups, updates and enhancements - please
see the git log for details"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (58 commits)
sched/fair: Define sched_idle_cpu() only for SMP configurations
sched/topology: Assert non-NUMA topology masks don't (partially) overlap
idle: fix spelling mistake "iterrupts" -> "interrupts"
sched/fair: Remove redundant call to cpufreq_update_util()
sched/psi: create /proc/pressure and /proc/pressure/{io|memory|cpu} only when psi enabled
sched/fair: Fix sgc->{min,max}_capacity calculation for SD_OVERLAP
sched/fair: calculate delta runnable load only when it's needed
sched/cputime: move rq parameter in irqtime_account_process_tick
stop_machine: Make stop_cpus() static
sched/debug: Reset watchdog on all CPUs while processing sysrq-t
sched/core: Fix size of rq::uclamp initialization
sched/uclamp: Fix a bug in propagating uclamp value in new cgroups
sched/fair: Load balance aggressively for SCHED_IDLE CPUs
sched/fair : Improve update_sd_pick_busiest for spare capacity case
watchdog: Remove soft_lockup_hrtimer_cnt and related code
sched/rt: Make RT capacity-aware
sched/fair: Make EAS wakeup placement consider uclamp restrictions
sched/fair: Make task_fits_capacity() consider uclamp restrictions
sched/uclamp: Rename uclamp_util_with() into uclamp_rq_util_with()
sched/uclamp: Make uclamp util helpers use and return UL values
...
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Linus Torvalds
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c0e809e244 |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"Kernel side changes:
- Ftrace is one of the last W^X violators (after this only KLP is
left). These patches move it over to the generic text_poke()
interface and thereby get rid of this oddity. This requires a
surprising amount of surgery, by Peter Zijlstra.
- x86/AMD PMUs: add support for 'Large Increment per Cycle Events' to
count certain types of events that have a special, quirky hw ABI
(by Kim Phillips)
- kprobes fixes by Masami Hiramatsu
Lots of tooling updates as well, the following subcommands were
updated: annotate/report/top, c2c, clang, record, report/top TUI,
sched timehist, tests; plus updates were done to the gtk ui, libperf,
headers and the parser"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
perf/x86/amd: Add support for Large Increment per Cycle Events
perf/x86/amd: Constrain Large Increment per Cycle events
perf/x86/intel/rapl: Add Comet Lake support
tracing: Initialize ret in syscall_enter_define_fields()
perf header: Use last modification time for timestamp
perf c2c: Fix return type for histogram sorting comparision functions
perf beauty sockaddr: Fix augmented syscall format warning
perf/ui/gtk: Fix gtk2 build
perf ui gtk: Add missing zalloc object
perf tools: Use %define api.pure full instead of %pure-parser
libperf: Setup initial evlist::all_cpus value
perf report: Fix no libunwind compiled warning break s390 issue
perf tools: Support --prefix/--prefix-strip
perf report: Clarify in help that --children is default
tools build: Fix test-clang.cpp with Clang 8+
perf clang: Fix build with Clang 9
kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
tools lib: Fix builds when glibc contains strlcpy()
perf report/top: Make 'e' visible in the help and make it toggle showing callchains
perf report/top: Do not offer annotation for symbols without samples
...
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Linus Torvalds
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2180f214f4 |
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar: "Just a handful of changes in this cycle: an ARM64 performance optimization, a comment fix and a debug output fix" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/osq: Use optimized spinning loop for arm64 locking/qspinlock: Fix inaccessible URL of MCS lock paper locking/lockdep: Fix lockdep_stats indentation problem |
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Linus Torvalds
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634cd4b6af |
Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Cleanup of the GOP [graphics output] handling code in the EFI stub
- Complete refactoring of the mixed mode handling in the x86 EFI stub
- Overhaul of the x86 EFI boot/runtime code
- Increase robustness for mixed mode code
- Add the ability to disable DMA at the root port level in the EFI
stub
- Get rid of RWX mappings in the EFI memory map and page tables,
where possible
- Move the support code for the old EFI memory mapping style into its
only user, the SGI UV1+ support code.
- plus misc fixes, updates, smaller cleanups.
... and due to interactions with the RWX changes, another round of PAT
cleanups make a guest appearance via the EFI tree - with no side
effects intended"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
efi/x86: Disable instrumentation in the EFI runtime handling code
efi/libstub/x86: Fix EFI server boot failure
efi/x86: Disallow efi=old_map in mixed mode
x86/boot/compressed: Relax sed symbol type regex for LLVM ld.lld
efi/x86: avoid KASAN false positives when accessing the 1: 1 mapping
efi: Fix handling of multiple efi_fake_mem= entries
efi: Fix efi_memmap_alloc() leaks
efi: Add tracking for dynamically allocated memmaps
efi: Add a flags parameter to efi_memory_map
efi: Fix comment for efi_mem_type() wrt absent physical addresses
efi/arm: Defer probe of PCIe backed efifb on DT systems
efi/x86: Limit EFI old memory map to SGI UV machines
efi/x86: Avoid RWX mappings for all of DRAM
efi/x86: Don't map the entire kernel text RW for mixed mode
x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd
efi/libstub/x86: Fix unused-variable warning
efi/libstub/x86: Use mandatory 16-byte stack alignment in mixed mode
efi/libstub/x86: Use const attribute for efi_is_64bit()
efi: Allow disabling PCI busmastering on bridges during boot
efi/x86: Allow translating 64-bit arguments for mixed mode calls
...
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Linus Torvalds
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d99391ec2b |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar: "The RCU changes in this cycle were: - Expedited grace-period updates - kfree_rcu() updates - RCU list updates - Preemptible RCU updates - Torture-test updates - Miscellaneous fixes - Documentation updates" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits) rcu: Remove unused stop-machine #include powerpc: Remove comment about read_barrier_depends() .mailmap: Add entries for old paulmck@kernel.org addresses srcu: Apply *_ONCE() to ->srcu_last_gp_end rcu: Switch force_qs_rnp() to for_each_leaf_node_cpu_mask() rcu: Move rcu_{expedited,normal} definitions into rcupdate.h rcu: Move gp_state_names[] and gp_state_getname() to tree_stall.h rcu: Remove the declaration of call_rcu() in tree.h rcu: Fix tracepoint tracking RCU CPU kthread utilization rcu: Fix harmless omission of "CONFIG_" from #if condition rcu: Avoid tick_dep_set_cpu() misordering rcu: Provide wrappers for uses of ->rcu_read_lock_nesting rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special() rcu: Clear ->rcu_read_unlock_special only once rcu: Clear .exp_hint only when deferred quiescent state has been reported rcu: Rename some instance of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU rcu: Remove kfree_call_rcu_nobatch() rcu: Remove kfree_rcu() special casing and lazy-callback handling rcu: Add support for debug_objects debugging for kfree_rcu() rcu: Add multiple in-flight batches of kfree_rcu() work ... |
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Linus Torvalds
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8b561778f2 |
Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar: "The main changes are to move the ORC unwind table sorting from early init to build-time - this speeds up booting. No change in functionality intended" * 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/orc: Fix !CONFIG_MODULES build warning x86/unwind/orc: Remove boot-time ORC unwind tables sorting scripts/sorttable: Implement build-time ORC unwind table sorting scripts/sorttable: Rename 'sortextable' to 'sorttable' scripts/sortextable: Refactor the do_func() function scripts/sortextable: Remove dead code scripts/sortextable: Clean up the code to meet the kernel coding style better scripts/sortextable: Rewrite error/success handling |
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Linus Torvalds
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9f2a43019e |
Merge branch 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull header cleanup from Ingo Molnar: "This is a treewide cleanup, mostly (but not exclusively) with x86 impact, which breaks implicit dependencies on the asm/realtime.h header and finally removes it from asm/acpi.h" * 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/ACPI/sleep: Move acpi_get_wakeup_address() into sleep.c, remove <asm/realmode.h> from <asm/acpi.h> ACPI/sleep: Convert acpi_wakeup_address into a function x86/ACPI/sleep: Remove an unnecessary include of asm/realmode.h ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys() vmw_balloon: Explicitly include linux/io.h for virt_to_phys() virt: vbox: Explicitly include linux/io.h to pick up various defs efi/capsule-loader: Explicitly include linux/io.h for page_to_phys() perf/x86/intel: Explicitly include asm/io.h to use virt_to_phys() x86/kprobes: Explicitly include vmalloc.h for set_vm_flush_reset_perms() x86/ftrace: Explicitly include vmalloc.h for set_vm_flush_reset_perms() x86/boot: Explicitly include realmode.h to handle RM reservations x86/efi: Explicitly include realmode.h to handle RM trampoline quirk x86/platform/intel/quark: Explicitly include linux/io.h for virt_to_phys() x86/setup: Enhance the comments x86/setup: Clean up the header portion of setup.c |
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Scott Branden
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f76e4c167e |
net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
Add default MDIO_BCM_IPROC Kconfig setting such that it is default on for IPROC family of devices. Signed-off-by: Scott Branden <scott.branden@broadcom.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Willem de Bruijn
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6cd021a58c |
udp: segment looped gso packets correctly
Multicast and broadcast packets can be looped from egress to ingress
pre segmentation with dev_loopback_xmit. That function unconditionally
sets ip_summed to CHECKSUM_UNNECESSARY.
udp_rcv_segment segments gso packets in the udp rx path. Segmentation
usually executes on egress, and does not expect packets of this type.
__udp_gso_segment interprets !CHECKSUM_PARTIAL as CHECKSUM_NONE. But
the offsets are not correct for gso_make_checksum.
UDP GSO packets are of type CHECKSUM_PARTIAL, with their uh->check set
to the correct pseudo header checksum. Reset ip_summed to this type.
(CHECKSUM_PARTIAL is allowed on ingress, see comments in skbuff.h)
Reported-by: syzbot <syzkaller@googlegroups.com>
Fixes:
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Stephen Hemminger
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3127642dc1 |
netem: change mailing list
The old netem mailing list was inactive and recently was targeted by spammers. Switch to just using netdev mailing list which is where all the real change happens. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Mike Christie
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8d19f1c8e1
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prctl: PR_{G,S}ET_IO_FLUSHER to support controlling memory reclaim
There are several storage drivers like dm-multipath, iscsi, tcmu-runner, amd nbd that have userspace components that can run in the IO path. For example, iscsi and nbd's userspace deamons may need to recreate a socket and/or send IO on it, and dm-multipath's daemon multipathd may need to send SG IO or read/write IO to figure out the state of paths and re-set them up. In the kernel these drivers have access to GFP_NOIO/GFP_NOFS and the memalloc_*_save/restore functions to control the allocation behavior, but for userspace we would end up hitting an allocation that ended up writing data back to the same device we are trying to allocate for. The device is then in a state of deadlock, because to execute IO the device needs to allocate memory, but to allocate memory the memory layers want execute IO to the device. Here is an example with nbd using a local userspace daemon that performs network IO to a remote server. We are using XFS on top of the nbd device, but it can happen with any FS or other modules layered on top of the nbd device that can write out data to free memory. Here a nbd daemon helper thread, msgr-worker-1, is performing a write/sendmsg on a socket to execute a request. This kicks off a reclaim operation which results in a WRITE to the nbd device and the nbd thread calling back into the mm layer. [ 1626.609191] msgr-worker-1 D 0 1026 1 0x00004000 [ 1626.609193] Call Trace: [ 1626.609195] ? __schedule+0x29b/0x630 [ 1626.609197] ? wait_for_completion+0xe0/0x170 [ 1626.609198] schedule+0x30/0xb0 [ 1626.609200] schedule_timeout+0x1f6/0x2f0 [ 1626.609202] ? blk_finish_plug+0x21/0x2e [ 1626.609204] ? _xfs_buf_ioapply+0x2e6/0x410 [ 1626.609206] ? wait_for_completion+0xe0/0x170 [ 1626.609208] wait_for_completion+0x108/0x170 [ 1626.609210] ? wake_up_q+0x70/0x70 [ 1626.609212] ? __xfs_buf_submit+0x12e/0x250 [ 1626.609214] ? xfs_bwrite+0x25/0x60 [ 1626.609215] xfs_buf_iowait+0x22/0xf0 [ 1626.609218] __xfs_buf_submit+0x12e/0x250 [ 1626.609220] xfs_bwrite+0x25/0x60 [ 1626.609222] xfs_reclaim_inode+0x2e8/0x310 [ 1626.609224] xfs_reclaim_inodes_ag+0x1b6/0x300 [ 1626.609227] xfs_reclaim_inodes_nr+0x31/0x40 [ 1626.609228] super_cache_scan+0x152/0x1a0 [ 1626.609231] do_shrink_slab+0x12c/0x2d0 [ 1626.609233] shrink_slab+0x9c/0x2a0 [ 1626.609235] shrink_node+0xd7/0x470 [ 1626.609237] do_try_to_free_pages+0xbf/0x380 [ 1626.609240] try_to_free_pages+0xd9/0x1f0 [ 1626.609245] __alloc_pages_slowpath+0x3a4/0xd30 [ 1626.609251] ? ___slab_alloc+0x238/0x560 [ 1626.609254] __alloc_pages_nodemask+0x30c/0x350 [ 1626.609259] skb_page_frag_refill+0x97/0xd0 [ 1626.609274] sk_page_frag_refill+0x1d/0x80 [ 1626.609279] tcp_sendmsg_locked+0x2bb/0xdd0 [ 1626.609304] tcp_sendmsg+0x27/0x40 [ 1626.609307] sock_sendmsg+0x54/0x60 [ 1626.609308] ___sys_sendmsg+0x29f/0x320 [ 1626.609313] ? sock_poll+0x66/0xb0 [ 1626.609318] ? ep_item_poll.isra.15+0x40/0xc0 [ 1626.609320] ? ep_send_events_proc+0xe6/0x230 [ 1626.609322] ? hrtimer_try_to_cancel+0x54/0xf0 [ 1626.609324] ? ep_read_events_proc+0xc0/0xc0 [ 1626.609326] ? _raw_write_unlock_irq+0xa/0x20 [ 1626.609327] ? ep_scan_ready_list.constprop.19+0x218/0x230 [ 1626.609329] ? __hrtimer_init+0xb0/0xb0 [ 1626.609331] ? _raw_spin_unlock_irq+0xa/0x20 [ 1626.609334] ? ep_poll+0x26c/0x4a0 [ 1626.609337] ? tcp_tsq_write.part.54+0xa0/0xa0 [ 1626.609339] ? release_sock+0x43/0x90 [ 1626.609341] ? _raw_spin_unlock_bh+0xa/0x20 [ 1626.609342] __sys_sendmsg+0x47/0x80 [ 1626.609347] do_syscall_64+0x5f/0x1c0 [ 1626.609349] ? prepare_exit_to_usermode+0x75/0xa0 [ 1626.609351] entry_SYSCALL_64_after_hwframe+0x44/0xa9 This patch adds a new prctl command that daemons can use after they have done their initial setup, and before they start to do allocations that are in the IO path. It sets the PF_MEMALLOC_NOIO and PF_LESS_THROTTLE flags so both userspace block and FS threads can use it to avoid the allocation recursion and try to prevent from being throttled while writing out data to free up memory. Signed-off-by: Mike Christie <mchristi@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Tested-by: Masato Suzuki <masato.suzuki@wdc.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Link: https://lore.kernel.org/r/20191112001900.9206-1-mchristi@redhat.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
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Ingo Molnar
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0cc4bd8f70 |
Merge branch 'core/kprobes' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Ingo Molnar
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74777eaf7a |
Merge branch 'core/documentation' into core/urgent, to pick up single commit
Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Linus Torvalds
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b0be0eff1a |
The performance deterioration departement provides a few non-scary fixes
and improvements:
- Update the cached HLE state when the TSX state is changed via the new
control register. This ensures feature bit consistency.
- Exclude the new Zhaoxin CPUs from Spectre V2 and SWAPGS vulnerabilities.
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Merge tag 'x86-pti-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 pti updates from Thomas Gleixner:
"The performance deterioration departement provides a few non-scary
fixes and improvements:
- Update the cached HLE state when the TSX state is changed via the
new control register. This ensures feature bit consistency.
- Exclude the new Zhaoxin CPUs from Spectre V2 and SWAPGS
vulnerabilities"
* tag 'x86-pti-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/speculation/swapgs: Exclude Zhaoxin CPUs from SWAPGS vulnerability
x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2
x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR
|
||
|
Linus Torvalds
|
3d3b44a61a |
The interrupt departement provides:
- A mechanism to shield isolated tasks from managed interrupts:
The affinity of managed interrupts is completely controlled by the
kernel and user space has no influence on them. The reason is that
the automatically assigned affinity correlates to the multi-queue
CPU handling of block devices.
If the generated affinity mask spaws both housekeeping and isolated CPUs
the interrupt could be routed to an isolated CPU which would then be
disturbed by I/O submitted by a housekeeping CPU.
The new mechamism ensures that as long as one housekeeping CPU is online
in the assigned affinity mask the interrupt is routed to a housekeeping
CPU.
If there is no online housekeeping CPU in the affinity mask, then the
interrupt is routed to an isolated CPU to keep the device queue intact,
but unless the isolated CPU submits I/O by itself these interrupts are
not raised.
- A small addon to the device tree irqdomain core code to avoid
duplication in irq chip drivers
- Conversion of the SiFive PLIC to hierarchical domains
- The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI, NXP
INTMUX, Meson A1 GPIO
- The first cut of support for the new ARM GICv4.1
- The usual pile of fixes and improvements in core and driver code
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Merge tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The interrupt departement provides:
- A mechanism to shield isolated tasks from managed interrupts:
The affinity of managed interrupts is completely controlled by the
kernel and user space has no influence on them. The reason is that
the automatically assigned affinity correlates to the multi-queue
CPU handling of block devices.
If the generated affinity mask spaws both housekeeping and isolated
CPUs the interrupt could be routed to an isolated CPU which would
then be disturbed by I/O submitted by a housekeeping CPU.
The new mechamism ensures that as long as one housekeeping CPU is
online in the assigned affinity mask the interrupt is routed to a
housekeeping CPU.
If there is no online housekeeping CPU in the affinity mask, then
the interrupt is routed to an isolated CPU to keep the device queue
intact, but unless the isolated CPU submits I/O by itself these
interrupts are not raised.
- A small addon to the device tree irqdomain core code to avoid
duplication in irq chip drivers
- Conversion of the SiFive PLIC to hierarchical domains
- The usual pile of new irq chip drivers: SiFive GPIO, Aspeed SCI,
NXP INTMUX, Meson A1 GPIO
- The first cut of support for the new ARM GICv4.1
- The usual pile of fixes and improvements in core and driver code"
* tag 'irq-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
genirq, sched/isolation: Isolate from handling managed interrupts
irqchip/gic-v4.1: Allow direct invalidation of VLPIs
irqchip/gic-v4.1: Suppress per-VLPI doorbell
irqchip/gic-v4.1: Add VPE INVALL callback
irqchip/gic-v4.1: Add VPE eviction callback
irqchip/gic-v4.1: Add VPE residency callback
irqchip/gic-v4.1: Add mask/unmask doorbell callbacks
irqchip/gic-v4.1: Plumb skeletal VPE irqchip
irqchip/gic-v4.1: Implement the v4.1 flavour of VMOVP
irqchip/gic-v4.1: Don't use the VPE proxy if RVPEID is set
irqchip/gic-v4.1: Implement the v4.1 flavour of VMAPP
irqchip/gic-v4.1: VPE table (aka GICR_VPROPBASER) allocation
irqchip/gic-v3: Add GICv4.1 VPEID size discovery
irqchip/gic-v3: Detect GICv4.1 supporting RVPEID
irqchip/gic-v3-its: Fix get_vlpi_map() breakage with doorbells
irqdomain: Fix a memory leak in irq_domain_push_irq()
irqchip: Add NXP INTMUX interrupt multiplexer support
dt-bindings: interrupt-controller: Add binding for NXP INTMUX interrupt multiplexer
irqchip: Define EXYNOS_IRQ_COMBINER
irqchip/meson-gpio: Add support for meson a1 SoCs
...
|
||
|
Linus Torvalds
|
ab67f60025 |
A small set of SMP core code changes:
- Rework the smp function call core code to avoid the allocation of an
additional cpumask.
- Remove the not longer required GFP argument from on_each_cpu_cond() and
on_each_cpu_cond_mask() and fixup the callers.
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Merge tag 'smp-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core SMP updates from Thomas Gleixner:
"A small set of SMP core code changes:
- Rework the smp function call core code to avoid the allocation of
an additional cpumask
- Remove the not longer required GFP argument from on_each_cpu_cond()
and on_each_cpu_cond_mask() and fixup the callers"
* tag 'smp-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
smp: Remove allocation mask from on_each_cpu_cond.*()
smp: Add a smp_cond_func_t argument to smp_call_function_many()
smp: Use smp_cond_func_t as type for the conditional function
|
||
|
Linus Torvalds
|
e279160f49 |
The timekeeping and timers departement provides:
- Time namespace support:
If a container migrates from one host to another then it expects that
clocks based on MONOTONIC and BOOTTIME are not subject to
disruption. Due to different boot time and non-suspended runtime these
clocks can differ significantly on two hosts, in the worst case time
goes backwards which is a violation of the POSIX requirements.
The time namespace addresses this problem. It allows to set offsets for
clock MONOTONIC and BOOTTIME once after creation and before tasks are
associated with the namespace. These offsets are taken into account by
timers and timekeeping including the VDSO.
Offsets for wall clock based clocks (REALTIME/TAI) are not provided by
this mechanism. While in theory possible, the overhead and code
complexity would be immense and not justified by the esoteric potential
use cases which were discussed at Plumbers '18.
The overhead for tasks in the root namespace (host time offsets = 0) is
in the noise and great effort was made to ensure that especially in the
VDSO. If time namespace is disabled in the kernel configuration the
code is compiled out.
Kudos to Andrei Vagin and Dmitry Sofanov who implemented this feature
and kept on for more than a year addressing review comments, finding
better solutions. A pleasant experience.
- Overhaul of the alarmtimer device dependency handling to ensure that
the init/suspend/resume ordering is correct.
- A new clocksource/event driver for Microchip PIT64
- Suspend/resume support for the Hyper-V clocksource
- The usual pile of fixes, updates and improvements mostly in the
driver code.
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Merge tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"The timekeeping and timers departement provides:
- Time namespace support:
If a container migrates from one host to another then it expects
that clocks based on MONOTONIC and BOOTTIME are not subject to
disruption. Due to different boot time and non-suspended runtime
these clocks can differ significantly on two hosts, in the worst
case time goes backwards which is a violation of the POSIX
requirements.
The time namespace addresses this problem. It allows to set offsets
for clock MONOTONIC and BOOTTIME once after creation and before
tasks are associated with the namespace. These offsets are taken
into account by timers and timekeeping including the VDSO.
Offsets for wall clock based clocks (REALTIME/TAI) are not provided
by this mechanism. While in theory possible, the overhead and code
complexity would be immense and not justified by the esoteric
potential use cases which were discussed at Plumbers '18.
The overhead for tasks in the root namespace (ie where host time
offsets = 0) is in the noise and great effort was made to ensure
that especially in the VDSO. If time namespace is disabled in the
kernel configuration the code is compiled out.
Kudos to Andrei Vagin and Dmitry Sofanov who implemented this
feature and kept on for more than a year addressing review
comments, finding better solutions. A pleasant experience.
- Overhaul of the alarmtimer device dependency handling to ensure
that the init/suspend/resume ordering is correct.
- A new clocksource/event driver for Microchip PIT64
- Suspend/resume support for the Hyper-V clocksource
- The usual pile of fixes, updates and improvements mostly in the
driver code"
* tag 'timers-core-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
alarmtimer: Make alarmtimer_get_rtcdev() a stub when CONFIG_RTC_CLASS=n
alarmtimer: Use wakeup source from alarmtimer platform device
alarmtimer: Make alarmtimer platform device child of RTC device
alarmtimer: Update alarmtimer_get_rtcdev() docs to reflect reality
hrtimer: Add missing sparse annotation for __run_timer()
lib/vdso: Only read hrtimer_res when needed in __cvdso_clock_getres()
MIPS: vdso: Define BUILD_VDSO32 when building a 32bit kernel
clocksource/drivers/hyper-v: Set TSC clocksource as default w/ InvariantTSC
clocksource/drivers/hyper-v: Untangle stimers and timesync from clocksources
clocksource/drivers/timer-microchip-pit64b: Fix sparse warning
clocksource/drivers/exynos_mct: Rename Exynos to lowercase
clocksource/drivers/timer-ti-dm: Fix uninitialized pointer access
clocksource/drivers/timer-ti-dm: Switch to platform_get_irq
clocksource/drivers/timer-ti-dm: Convert to devm_platform_ioremap_resource
clocksource/drivers/em_sti: Fix variable declaration in em_sti_probe
clocksource/drivers/em_sti: Convert to devm_platform_ioremap_resource
clocksource/drivers/bcm2835_timer: Fix memory leak of timer
clocksource/drivers/cadence-ttc: Use ttc driver as platform driver
clocksource/drivers/timer-microchip-pit64b: Add Microchip PIT64B support
clocksource/drivers/hyper-v: Reserve PAGE_SIZE space for tsc page
...
|
||
|
Linus Torvalds
|
534b0a8b67 |
A single commit for debug objects which fixes a pile of potential data
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||
|
Linus Torvalds
|
b11c89a158 |
A set of watchdog/softlockup related improvements:
- Enforce that the watchdog timestamp is always valid on boot. The
original implementation caused a watchdog disabled gap of one second in
the boot process due to truncation of the underlying sched clock. The
sched clock is divided by 1e9 to convert nanoseconds to seconds. So for
the first second of the boot process the result is 0 which is at the
same time the indicator to disable the watchdog. The trivial fix is to
change the disabled indicator to ULONG_MAX.
- Two cleanup patches removing unused and redundant code which got
forgotten to be cleaned up in previous changes.
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Merge tag 'core-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull watchdog updates from Thomas Gleixner:
"A set of watchdog/softlockup related improvements:
- Enforce that the watchdog timestamp is always valid on boot. The
original implementation caused a watchdog disabled gap of one
second in the boot process due to truncation of the underlying
sched clock.
The sched clock is divided by 1e9 to convert nanoseconds to
seconds. So for the first second of the boot process the result is
0 which is at the same time the indicator to disable the watchdog.
The trivial fix is to change the disabled indicator to ULONG_MAX.
- Two cleanup patches removing unused and redundant code which got
forgotten to be cleaned up in previous changes"
* tag 'core-core-2020-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
watchdog/softlockup: Enforce that timestamp is valid on boot
watchdog/softlockup: Remove obsolete check of last reported task
watchdog: Remove soft_lockup_hrtimer_cnt and related code
|
||
|
Linus Torvalds
|
a56c41e5d7 |
Two fixes for the generic VDSO code which missed 5.5:
- Make the update to the coarse timekeeper unconditional. This is required
because the coarse timekeeper interfaces in the VDSO do not depend on a
VDSO capable clocksource. If the system does not have a VDSO capable
clocksource and the update is depending on the VDSO capable clocksource,
the coarse VDSO interfaces would operate on stale data forever.
- Invert the logic of __arch_update_vdso_data() to avoid further head
scratching. Tripped over this several times while analyzing the update
problem above.
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Merge tag 'timers-urgent-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two fixes for the generic VDSO code which missed 5.5:
- Make the update to the coarse timekeeper unconditional.
This is required because the coarse timekeeper interfaces in the
VDSO do not depend on a VDSO capable clocksource. If the system
does not have a VDSO capable clocksource and the update is
depending on the VDSO capable clocksource, the coarse VDSO
interfaces would operate on stale data forever.
- Invert the logic of __arch_update_vdso_data() to avoid further head
scratching.
Tripped over this several times while analyzing the update problem
above"
* tag 'timers-urgent-2020-01-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lib/vdso: Update coarse timekeeper unconditionally
lib/vdso: Make __arch_update_vdso_data() logic understandable
|
||
|
Linus Torvalds
|
b1dba24731 |
selinux/stable-5.6 PR 20200127
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Merge tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux update from Paul Moore:
"This is one of the bigger SELinux pull requests in recent years with
28 patches. Everything is passing our test suite and the highlights
are below:
- Mark CONFIG_SECURITY_SELINUX_DISABLE as deprecated. We're some time
away from actually attempting to remove this in the kernel, but the
only distro we know that still uses it (Fedora) is working on
moving away from this so we want to at least let people know we are
planning to remove it.
- Reorder the SELinux hooks to help prevent bad things when SELinux
is disabled at runtime. The proper fix is to remove the
CONFIG_SECURITY_SELINUX_DISABLE functionality (see above) and just
take care of it at boot time (e.g. "selinux=0").
- Add SELinux controls for the kernel lockdown functionality,
introducing a new SELinux class/permissions: "lockdown { integrity
confidentiality }".
- Add a SELinux control for move_mount(2) that reuses the "file {
mounton }" permission.
- Improvements to the SELinux security label data store lookup
functions to speed up translations between our internal label
representations and the visible string labels (both directions).
- Revisit a previous fix related to SELinux inode auditing and
permission caching and do it correctly this time.
- Fix the SELinux access decision cache to cleanup properly on error.
In some extreme cases this could limit the cache size and result in
a decrease in performance.
- Enable SELinux per-file labeling for binderfs.
- The SELinux initialized and disabled flags were wrapped with
accessors to ensure they are accessed correctly.
- Mark several key SELinux structures with __randomize_layout.
- Changes to the LSM build configuration to only build
security/lsm_audit.c when needed.
- Changes to the SELinux build configuration to only build the IB
object cache when CONFIG_SECURITY_INFINIBAND is enabled.
- Move a number of single-caller functions into their callers.
- Documentation fixes (/selinux -> /sys/fs/selinux).
- A handful of cleanup patches that aren't worth mentioning on their
own, the individual descriptions have plenty of detail"
* tag 'selinux-pr-20200127' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (28 commits)
selinux: fix regression introduced by move_mount(2) syscall
selinux: do not allocate ancillary buffer on first load
selinux: remove redundant allocation and helper functions
selinux: remove redundant selinux_nlmsg_perm
selinux: fix wrong buffer types in policydb.c
selinux: reorder hooks to make runtime disable less broken
selinux: treat atomic flags more carefully
selinux: make default_noexec read-only after init
selinux: move ibpkeys code under CONFIG_SECURITY_INFINIBAND.
selinux: remove redundant msg_msg_alloc_security
Documentation,selinux: fix references to old selinuxfs mount point
selinux: deprecate disabling SELinux and runtime
selinux: allow per-file labelling for binderfs
selinuxfs: use scnprintf to get real length for inode
selinux: remove set but not used variable 'sidtab'
selinux: ensure the policy has been loaded before reading the sidtab stats
selinux: ensure we cleanup the internal AVC counters on error in avc_update()
selinux: randomize layout of key structures
selinux: clean up selinux_enabled/disabled/enforcing_boot
selinux: remove unnecessary selinux cred request
...
|
||
|
Linus Torvalds
|
07e309a972 |
audit/stable-5.6 PR 20200127
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||
|
Linus Torvalds
|
03aa8c8cfa |
Merge branch 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: - cgroup2 interface for hugetlb controller. I think this was the last remaining bit which was missing from cgroup2 - fixes for race and a spurious warning in threaded cgroup handling - other minor changes * 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: iocost: Fix iocost_monitor.py due to helper type mismatch cgroup: Prevent double killing of css when enabling threaded cgroup cgroup: fix function name in comment mm: hugetlb controller for cgroups v2 |
||
|
Linus Torvalds
|
16d06120d7 |
Merge branch 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo: "Just a couple tracepoint patches" * 'for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: remove workqueue_work event class workqueue: add worker function to workqueue_execute_end tracepoint |
||
|
Jens Axboe
|
848f7e1887 |
io-wq: make the io_wq ref counted
In preparation for sharing an io-wq across different users, add a reference count that manages destruction of it. Reviewed-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Pavel Begunkov
|
9466f43741 |
io_uring: fix refcounting with batched allocations at OOM
In case of out of memory the second argument of percpu_ref_put_many() in
io_submit_sqes() may evaluate into "nr - (-EAGAIN)", that is clearly
wrong.
Fixes:
|
||
|
Pavel Begunkov
|
8cdf2193a3 |
io_uring: add comment for drain_next
Draining the middle of a link is tricky, so leave a comment there Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Jens Axboe
|
980ad26304 |
io_uring: don't attempt to copy iovec for READ/WRITE
For the non-vectored variant of READV/WRITEV, we don't need to setup an
async io context, and we flag that appropriately in the io_op_defs
array. However, in fixing this for the 5.5 kernel in commit
|
||
|
Geert Uytterhoeven
|
1630146db2 |
scripts/find-unused-docs: Fix massive false positives
scripts/find-unused-docs.sh invokes scripts/kernel-doc to find out if a
source file contains kerneldoc or not.
However, as it passes the no longer supported "-text" option to
scripts/kernel-doc, the latter prints out its help text, causing all
files to be considered containing kerneldoc.
Get rid of these false positives by removing the no longer supported
"-text" option from the scripts/kernel-doc invocation.
Cc: stable@vger.kernel.org # 4.16+
Fixes:
|
||
|
Linus Torvalds
|
6a1000bd27 |
ioremap changes for 5.6
- remove ioremap_nocache given that is is equivalent to
ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap
Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
|
||
|
Linus Torvalds
|
9dd70e2880 |
for-5.6/libata-2020-01-27
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||
|
Linus Torvalds
|
22a8f39c52 |
for-5.6/drivers-2020-01-27
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Merge tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Like the core side, not a lot of changes here, just two main items:
- Series of patches (via Coly) with fixes for bcache (Coly,
Christoph)
- MD pull request from Song"
* tag 'for-5.6/drivers-2020-01-27' of git://git.kernel.dk/linux-block: (31 commits)
bcache: reap from tail of c->btree_cache in bch_mca_scan()
bcache: reap c->btree_cache_freeable from the tail in bch_mca_scan()
bcache: remove member accessed from struct btree
bcache: print written and keys in trace_bcache_btree_write
bcache: avoid unnecessary btree nodes flushing in btree_flush_write()
bcache: add code comments for state->pool in __btree_sort()
lib: crc64: include <linux/crc64.h> for 'crc64_be'
bcache: use read_cache_page_gfp to read the superblock
bcache: store a pointer to the on-disk sb in the cache and cached_dev structures
bcache: return a pointer to the on-disk sb from read_super
bcache: transfer the sb_page reference to register_{bdev,cache}
bcache: fix use-after-free in register_bcache()
bcache: properly initialize 'path' and 'err' in register_bcache()
bcache: rework error unwinding in register_bcache
bcache: use a separate data structure for the on-disk super block
bcache: cached_dev_free needs to put the sb page
md/raid1: introduce wait_for_serialization
md/raid1: use bucket based mechanism for IO serialization
md: introduce a new struct for IO serialization
md: don't destroy serial_info_pool if serialize_policy is true
...
|
||
|
Linus Torvalds
|
48b4b4ff1e |
for-5.6/block-2020-01-27
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||
|
Linus Torvalds
|
34dabd8116 |
PNP updates for 5.6-rc1
Get rid of unused variable and function (yu kuai). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl4u27wSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxRTQP/jxTn3pJc+0kCo9CBJ9UGBmGF/qzwPsj vV1ETlMlonT6xB1tXBQ1sJt9X7Y5AELcciKZ2znHSI0KjoyIu4K6dyLP9fdIh3kI xLFrKyBYKqOdJ44u2aVRME+thdwca3uziVx81c65ecSG/Y7cDYrXE8g2SSCGxHMb yKpghJ88Oj5R3XX2AS60zIL+N35ML6j4SATBoRvetBCBMMUKh4ILIMZSz9hHtoQ/ dln0icrB4ueeGb5SQnNGojt5TtW4BKEOsfyR7Ez1LSOPx1GwP4aV00XHyx/kkr0L sWXqLEKFZOBYh44/mZITlHnR8LunTf/wXaR1kPxcE3EWVF0RtxmE0GRwP2S5uiu/ LFuOa8ICW9k1q7K7NhrxTYTzfXRVcLjXxHg/79gmMZNN1ODVKEm8Y8MBo8KQtd8/ iuSqH77QYd0brrW39cGg9NLeKMsIQkYN281q0+AS7vQ705iSABlENXqzBEibGhJf 9OgjDwd7eRBTdFUJgyF4cVTq6GOYxslOdB5ZWkpqNuObEPb7m+EQu/8g018y3zuJ A983pk2m1GcIfultV9BEzp5GsQ6oYQjBUxkzZ4kaYkXqUZXC1P1rAp1qjqmCJ0x2 N+Mi3ui7M4w/qMwjeS3JWOpHaO54abLF7h0kWYybIm/p/44UNBkfu6a4DPTDt1oR okJ6WZy/0wzq =KVOs -----END PGP SIGNATURE----- Merge tag 'pnp-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull PNP updates from Rafael Wysocki: "Get rid of unused variable and function (yu kuai)" * tag 'pnp-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PNP: isapnp: remove defined but not used function 'isapnp_checksum' PNP: isapnp: remove set but not used variable 'checksum' |
||
|
Linus Torvalds
|
85c009e8e5 |
Device properties framework updates for 5.6-rc1
Add support for reference properties in sofrware nodes (Dmitry Torokhov) and a basic test for property entries along with fixes on top of it (Dmitry Torokhov, Qian Cai, Alan Maguire). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl4u21kSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxpFQP/j/TYgzdC3PVWDTzbjOC2W8UStAfjG9M DMdCM6vnAmtS+npuO1/4hx4SM8OXVrJSbccpUik1LatfWhKftpAznNssDnnqV475 ldUdObEHf7g/K6rGkbzELU5SknqHSGs+Gk9PfgV6ahjKy9jgq3jSaSkazVho2OwS nIWWnRXeyvJ8TZr+0WjhZGgrLxl1XvDJfqrcckbjluiCx0sxIDfMdq3xgavvvt4J qbm/8LFr46WR2fb+78EjaCwfLKZ3i8vLJDLDEf5A6UW3o9h9Xyk0avXB5ECqElrf AYqH5GkWThePwHZsezCVyh0MTu6C4TlEOaLFLVuAh3lLEZZ6dmHwpLeqotVhIIQG nERXyJNvAJ2PShJQExX67XMhaCvzX8897vMsMQgWTzBztt5aLx4JiMu+pKoxt+I8 FvyHOhiwFP4pEp6OuJX9oxV8fVTPKU3jaLprZfce41+33yQP+jHg5zeLgpsgvvKY SmnxuG3I8R9yXN/AETikerddQwQxw/cc4B9va17XsaEtf6SBEzJPIqbo9cAT6AZs +vSr4uEHBB0Wlyrlo75XEKRfCs2f67r1IWr7pfACrHadiSowNNGEFan+tPIIelLU n8wgKfIEYyrjyLppZsMWGQLOkzshNZHqdPQUWpb6ywJ1qUWriZXSlh2jviex9G2m 3wrYBGL5M+o6 =wnoj -----END PGP SIGNATURE----- Merge tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull device properties framework updates from Rafael Wysocki: "Add support for reference properties in sofrware nodes (Dmitry Torokhov) and a basic test for property entries along with fixes on top of it (Dmitry Torokhov, Qian Cai, Alan Maguire)" * tag 'devprop-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: software node: introduce CONFIG_KUNIT_DRIVER_PE_TEST usb: dwc3: use proper initializers for property entries drivers/base/test: fix global-out-of-bounds error software node: add basic tests for property entries software node: remove separate handling of references platform/x86: intel_cht_int33fe: use inline reference properties software node: implement reference properties software node: allow embedding of small arrays into property_entry software node: replace is_array with is_inline |
||
|
Mike Snitzer
|
47ace7e012 |
dm: fix potential for q->make_request_fn NULL pointer
Move blk_queue_make_request() to dm.c:alloc_dev() so that q->make_request_fn is never NULL during the lifetime of a DM device (even one that is created without a DM table). Otherwise generic_make_request() will crash simply by doing: dmsetup create -n test mount /dev/dm-N /mnt While at it, move ->congested_data initialization out of dm.c:alloc_dev() and into the bio-based specific init method. Reported-by: Stefan Bader <stefan.bader@canonical.com> BugLink: https://bugs.launchpad.net/bugs/1860231 Fixes: |
||
|
Linus Torvalds
|
55816dc1a5 |
ACPI updates for 5.6-rc1
- Update the ACPICA code in the kernel to upstream revision
20200110 including:
* Update of copyright notices to 2020 (Bob Moore).
* Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
* Debugger cleanup (Colin Ian King).
* Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
* UNIX line ending support for non-windows builds in acpisrc
(Erik Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
to the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao).
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Merge tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision (20200110), add new hardware support to a handful of ACPI
drivers, make the ACPI fan driver expose power states information for
fans, add some more quirks, fix bugs and clean up assorted things.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20200110
including:
- Update of copyright notices to 2020 (Bob Moore).
- Dispatcher fix to always generate buffer objects for the ASL
create_field() operator (Maximilian Luz).
- Debugger cleanup (Colin Ian King).
- Disassembler change to create buffer fields in
ACPI_PARSE_LOAD_PASS1 (Erik Kaneda).
- UNIX line ending support for non-windows builds in acpisrc (Erik
Kaneda).
- Update the list of ACPICA maintainers (Rafael Wysocki).
- Add Intel Tiger Lake ACPI device IDs to the ACPI DPTF, ACPI fan,
int340x_thermal and intel-hid drivers (Gayatri Kammela).
- Make the ACPI fan driver create additional sysfs attributes to
expose power states information for fans (Srinivas Pandruvada).
- Fix up the ACPI battery driver to deal with unexpected battery
capacity information in a better way (Hans de Goede).
- Add ACPI backlight quirks for Lenovo E41-25/45 and MSI MS-7721
boards (Aaron Ma, Hans de Goede).
- Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch to
the ACPI button driver (Jason Ekstrand).
- Drop TIMER_DEFERRABLE from the GHES polling mode timer function
flags to make it run precisely at the configured time (Bhaskar
Upadhaya).
- Fix race condition related to the reference counting of query
handlers in the ACPI EC driver (Rafael Wysocki).
- Fix ACPI tools build issue (Zhengyuan Liu).
- Replace dma_request_slave_channel() with dma_request_chan() in the
firmware guide documentation for ACPI (Peter Ujfalusi).
- Fix typo in a comment and clean up function parameter data type
inconsistencies (Kacper Piwiński, Tian Tao)"
* tag 'acpi-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
ACPICA: Update version to 20200110
ACPICA: All acpica: Update copyrights to 2020 Including tool signons.
apei/ghes: Do not delay GHES polling
ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
ACPI: PPTT: Consistently use unsigned int as parameter type
ACPI: EC: Reference count query handlers under lock
ACPICA: Update the list of maintainers
ACPICA: Update version to 20191213
ACPICA: Dispatcher: always generate buffer objects for ASL create_field() operator
ACPICA: acpisrc: add unix line ending support for non-windows build
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
ACPICA: debugger: fix spelling mistake "adress" -> "address"
ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
docs: firmware-guide: ACPI: Replace dma_request_slave_channel() with dma_request_chan()
thermal: int340x_thermal: Add Tiger Lake ACPI device IDs
platform/x86: intel-hid: Add Tiger Lake ACPI device ID
ACPI: fan: Add Tiger Lake ACPI device ID
ACPI: DPTF: Add Tiger Lake ACPI device IDs
ACPI: fan: Expose fan performance state information
tools/power/acpi: fix compilation error
...
|
||
|
Linus Torvalds
|
6d277aca48 |
Power management updates for 5.6-rc1
- Update the ACPI processor driver in order to export
acpi_processor_evaluate_cst() to the code outside of it, add
ACPI support to the intel_idle driver based on that and clean
up that driver somewhat (Rafael Wysocki).
- Add an admin guide document for the intel_idle driver (Rafael
Wysocki).
- Clean up cpuidle core and drivers, enable compilation testing
for some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
Wysocki, Yangtao Li).
- Fix reference counting of OPP (operating performance points) table
structures (Viresh Kumar).
- Add support for CPR (Core Power Reduction) to the AVS (Adaptive
Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
YueHaibing).
- Add support for TigerLake Mobile and JasperLake to the Intel RAPL
power capping driver (Zhang Rui).
- Update cpufreq drivers:
* Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
* Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
* Fix cpufreq policy reference counting issues in s3c and
brcmstb-avs (chenqiwu).
* Fix ACPI table reference counting issue and HiSilicon quirk
handling in the CPPC driver (Hanjun Guo).
* Clean up spelling mistake in intel_pstate (Harry Pan).
* Convert the kirkwood and tegra186 drivers to using
devm_platform_ioremap_resource() (Yangtao Li).
- Update devfreq core:
* Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
* Clean up the handing of transition statistics and allow them
to be reset by writing 0 to the 'trans_stat' devfreq device
attribute in sysfs (Kamil Konieczny).
* Add 'devfreq_summary' to debugfs (Chanwoo Choi).
* Clean up kerneldoc comments and Kconfig indentation (Krzysztof
Kozlowski, Randy Dunlap).
- Update devfreq drivers:
* Add dynamic scaling for the imx8m DDR controller and clean up
imx8m-ddrc (Leonard Crestez, YueHaibing).
* Fix DT node reference counting and nitialization error code path
in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
for it (Chanwoo Choi, Yangtao Li).
* Fix DT node reference counting in rockchip-dfi and make it use
devm_platform_ioremap_resource() (Yangtao Li).
* Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
* Fix initialization error code paths in exynos-bus (Yangtao Li).
* Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
Kozlowski).
- Add tracepoints for tracking usage_count updates unrelated to
status changes in PM-runtime (Michał Mirosław).
- Add sysfs attribute to control the "sync on suspend" behavior
during system-wide suspend (Jonas Meurer).
- Switch system-wide suspend tests over to 64-bit time (Alexandre
Belloni).
- Make wakeup sources statistics in debugfs cover deleted ones which
used to be the case some time ago (zhuguangqing).
- Clean up computations carried out during hibernation, update
messages related to hibernation and fix a spelling mistake in one
of them (Wen Yang, Luigi Semenzato, Colin Ian King).
- Add mailmap entry for maintainer e-mail address that has not been
functional for several years (Rafael Wysocki).
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Merge tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add ACPI support to the intel_idle driver along with an admin
guide document for it, add support for CPR (Core Power Reduction) to
the AVS (Adaptive Voltage Scaling) subsystem, add new hardware support
in a few places, add some new sysfs attributes, debugfs files and
tracepoints, fix bugs and clean up a bunch of things all over.
Specifics:
- Update the ACPI processor driver in order to export
acpi_processor_evaluate_cst() to the code outside of it, add ACPI
support to the intel_idle driver based on that and clean up that
driver somewhat (Rafael Wysocki).
- Add an admin guide document for the intel_idle driver (Rafael
Wysocki).
- Clean up cpuidle core and drivers, enable compilation testing for
some of them (Benjamin Gaignard, Krzysztof Kozlowski, Rafael
Wysocki, Yangtao Li).
- Fix reference counting of OPP (operating performance points) table
structures (Viresh Kumar).
- Add support for CPR (Core Power Reduction) to the AVS (Adaptive
Voltage Scaling) subsystem (Niklas Cassel, Colin Ian King,
YueHaibing).
- Add support for TigerLake Mobile and JasperLake to the Intel RAPL
power capping driver (Zhang Rui).
- Update cpufreq drivers:
- Add i.MX8MP support to imx-cpufreq-dt (Anson Huang).
- Fix usage of a macro in loongson2_cpufreq (Alexandre Oliva).
- Fix cpufreq policy reference counting issues in s3c and
brcmstb-avs (chenqiwu).
- Fix ACPI table reference counting issue and HiSilicon quirk
handling in the CPPC driver (Hanjun Guo).
- Clean up spelling mistake in intel_pstate (Harry Pan).
- Convert the kirkwood and tegra186 drivers to using
devm_platform_ioremap_resource() (Yangtao Li).
- Update devfreq core:
- Add 'name' sysfs attribute for devfreq devices (Chanwoo Choi).
- Clean up the handing of transition statistics and allow them to
be reset by writing 0 to the 'trans_stat' devfreq device
attribute in sysfs (Kamil Konieczny).
- Add 'devfreq_summary' to debugfs (Chanwoo Choi).
- Clean up kerneldoc comments and Kconfig indentation (Krzysztof
Kozlowski, Randy Dunlap).
- Update devfreq drivers:
- Add dynamic scaling for the imx8m DDR controller and clean up
imx8m-ddrc (Leonard Crestez, YueHaibing).
- Fix DT node reference counting and nitialization error code path
in rk3399_dmc and add COMPILE_TEST and HAVE_ARM_SMCCC dependency
for it (Chanwoo Choi, Yangtao Li).
- Fix DT node reference counting in rockchip-dfi and make it use
devm_platform_ioremap_resource() (Yangtao Li).
- Fix excessive stack usage in exynos-ppmu (Arnd Bergmann).
- Fix initialization error code paths in exynos-bus (Yangtao Li).
- Clean up exynos-bus and exynos somewhat (Artur Świgoń, Krzysztof
Kozlowski).
- Add tracepoints for tracking usage_count updates unrelated to
status changes in PM-runtime (Michał Mirosław).
- Add sysfs attribute to control the "sync on suspend" behavior
during system-wide suspend (Jonas Meurer).
- Switch system-wide suspend tests over to 64-bit time (Alexandre
Belloni).
- Make wakeup sources statistics in debugfs cover deleted ones which
used to be the case some time ago (zhuguangqing).
- Clean up computations carried out during hibernation, update
messages related to hibernation and fix a spelling mistake in one
of them (Wen Yang, Luigi Semenzato, Colin Ian King).
- Add mailmap entry for maintainer e-mail address that has not been
functional for several years (Rafael Wysocki)"
* tag 'pm-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (83 commits)
cpufreq: loongson2_cpufreq: adjust cpufreq uses of LOONGSON_CHIPCFG
intel_idle: Clean up irtl_2_usec()
intel_idle: Move 3 functions closer to their callers
intel_idle: Annotate initialization code and data structures
intel_idle: Move and clean up intel_idle_cpuidle_devices_uninit()
intel_idle: Rearrange intel_idle_cpuidle_driver_init()
intel_idle: Clean up NULL pointer check in intel_idle_init()
intel_idle: Fold intel_idle_probe() into intel_idle_init()
intel_idle: Eliminate __setup_broadcast_timer()
cpuidle: fix cpuidle_find_deepest_state() kerneldoc warnings
cpuidle: sysfs: fix warnings when compiling with W=1
cpuidle: coupled: fix warnings when compiling with W=1
cpufreq: brcmstb-avs: fix imbalance of cpufreq policy refcount
PM: suspend: Add sysfs attribute to control the "sync on suspend" behavior
PM / devfreq: Add debugfs support with devfreq_summary file
Documentation: admin-guide: PM: Add intel_idle document
cpuidle: arm: Enable compile testing for some of drivers
PM-runtime: add tracepoints for usage_count changes
cpufreq: intel_pstate: fix spelling mistake: "Whethet" -> "Whether"
PM: hibernate: fix spelling mistake "shapshot" -> "snapshot"
...
|
||
|
Alex Shi
|
10c2d111c9 |
security: remove EARLY_LSM_COUNT which never used
This macro is never used from it was introduced in commit
|
||
|
Linus Torvalds
|
aae1464f46 |
regulator: Updates for v5.6
Hardly anything going on in the core this time around with the regulator
API and pretty quiet on the driver front:
- An API for comparing regulators, useful for devices that need to
check if supply voltages exactly match rather than just nominally
match.
- Conversion of several DT bindings to YAML format.
- Conversion of I2C drivers to probe_new().
- New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828.
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Merge tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Hardly anything going on in the core this time around with the
regulator API and pretty quiet on the driver front:
- An API for comparing regulators, useful for devices that need to
check if supply voltages exactly match rather than just nominally
match.
- Conversion of several DT bindings to YAML format.
- Conversion of I2C drivers to probe_new().
- New drivers for Monolithic MPQ7920 and MP8859, and Rohm BD71828"
* tag 'regulator-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
dt-bindings: regulator: add document bindings for mpq7920
regulator: core: Fix exported symbols to the exported GPL version
regulator: mpq7920: Fix incorrect defines
regulator: vqmmc-ipq4019: Fix platform_no_drv_owner.cocci warnings
regulator: vctrl-regulator: Avoid deadlock getting and setting the voltage
regulator fix for "regulator: core: Add regulator_is_equal() helper"
regulator: core: Add regulator_is_equal() helper
regulator: mpq7920: Convert to use .probe_new
regulator: mpq7920: Remove unneeded fields from struct mpq7920_regulator_info
regulator: vqmmc-ipq4019: Trivial clean up
regulator: vqmmc-ipq4019: Remove ipq4019_regulator_remove
regulator: bindings: Drop document bindings for mpq7920
dt-bindings: Drop entry for Monolithic Power System, MPS
regulator: bd718x7: Simplify the code by removing struct bd718xx_pmic_inits
regulator: add IPQ4019 SDHCI VQMMC LDO driver
regulator: Convert i2c drivers to use .probe_new
regulator: mpq7920: Check the correct variable in mpq7920_regulator_register()
regulator: mpq7920: Fix Woverflow warning on conversion
regulator: mp8859: tidy up white space in probe
regulator: mpq7920: add mpq7920 regulator driver
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Linus Torvalds
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1e1ab4ba47 |
spi: Updates for v5.6
Not much going on in the core for SPI this time but a reasonable amount
of change in the drivers:
- Removal of dmal_request_slave_channel() from Peter Ujfalusi.
- More conversions of drivers to GPIO descriptors from Linus Walleij.
- A big rework of the sh-msiof driver from Geert Uytterhoeven moving it
over to the generic native chipselect support.
- DMA support for the uniphier driver from Kunihiko Hayashi.
- New driver support for HiSilcon v3xx SPI NOR controllers from John
Garry.
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Merge tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Not much going on in the core for SPI this time but a reasonable
amount of change in the drivers:
- Removal of dmal_request_slave_channel() from Peter Ujfalusi.
- More conversions of drivers to GPIO descriptors from Linus Walleij.
- A big rework of the sh-msiof driver from Geert Uytterhoeven moving
it over to the generic native chipselect support.
- DMA support for the uniphier driver from Kunihiko Hayashi.
- New driver support for HiSilcon v3xx SPI NOR controllers from John
Garry"
* tag 'spi-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (52 commits)
dt-binding: spi: add NPCM PSPI reset binding
spi: pxa2xx: Avoid touching SSCR0_SSE on MMP2
spi: spi-fsl-qspi: Ensure width is respected in spi-mem operations
spi: npcm-pspi: modify reset support
spi: npcm-pspi: improve spi transfer performance
spi: spi-ti-qspi: fix warning
spi: npcm-pspi: fix 16 bit send and receive support
spi: pxa2xx: Add support for Intel Comet Lake PCH-V
spi: fsl: simplify error path in of_fsl_spi_probe()
spi: fsl-lpspi: fix only one cs-gpio working
spi: spi-ti-qspi: optimize byte-transfers
spi: spi-ti-qspi: support large flash devices
spi: spi-qcom-qspi: Use device managed memory for clk_bulk_data
MAINTAINERS: Add a maintainer for the HiSilicon v3xx SFC driver
spi: Add HiSilicon v3xx SPI NOR flash controller driver
dt-bindings: spi_atmel: add microchip,sam9x60-spi
spi: bcm2835: Raise maximum number of slaves to 4
spi: sh-msiof: Do not redefine STR while compile testing
spi: rspi: Add support for GPIO chip selects
spi: rspi: Add support for multiple native chip selects
...
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