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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP core updates from Thomas Gleixner:
- Replace get/put_online_cpus() in various places. The final removal
will happen shortly before v5.15-rc1 when the rest of the patches
have been merged.
- Add debug code to help the analysis of CPU hotplug failures
- A set of kernel doc updates
* tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm: Replace deprecated CPU-hotplug functions.
md/raid5: Replace deprecated CPU-hotplug functions.
Documentation: Replace deprecated CPU-hotplug functions.
smp: Fix all kernel-doc warnings
cpu/hotplug: Add debug printks for hotplug callback failures
cpu/hotplug: Use DEVICE_ATTR_*() macro
cpu/hotplug: Eliminate all kernel-doc warnings
cpu/hotplug: Fix kernel doc warnings for __cpuhp_setup_state_cpuslocked()
cpu/hotplug: Fix comment typo
smpboot: Replace deprecated CPU-hotplug functions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects update from Thomas Gleixner:
"A single commit for debugobjects to make them work on PREEMPT_RT by
preventing object pool refill in atomic contexts"
* tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debugobjects: Make them PREEMPT_RT aware
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"A handful of EFI changes for this cycle:
- EFI CPER parsing improvements
- Don't take the address of efi_guid_t internal fields"
* tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: cper: check section header more appropriately
efi: Don't use knowledge about efi_guid_t internals
efi: cper: fix scnprintf() use in cper_mem_err_location()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event updates from Ingo Molnar:
- Add support for Intel Sapphire Rapids server CPU uncore events
- Allow the AMD uncore driver to be built as a module
- Misc cleanups and fixes
* tag 'perf-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
perf/x86/amd/ibs: Add bitfield definitions in new <asm/amd-ibs.h> header
perf/amd/uncore: Allow the driver to be built as a module
x86/cpu: Add get_llc_id() helper function
perf/amd/uncore: Clean up header use, use <linux/ include paths instead of <asm/
perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL
perf/hw_breakpoint: Replace deprecated CPU-hotplug functions
perf/x86/intel: Replace deprecated CPU-hotplug functions
perf/x86: Remove unused assignment to pointer 'e'
perf/x86/intel/uncore: Fix IIO cleanup mapping procedure for SNR/ICX
perf/x86/intel/uncore: Support IMC free-running counters on Sapphire Rapids server
perf/x86/intel/uncore: Support IIO free-running counters on Sapphire Rapids server
perf/x86/intel/uncore: Factor out snr_uncore_mmio_map()
perf/x86/intel/uncore: Add alias PMU name
perf/x86/intel/uncore: Add Sapphire Rapids server MDF support
perf/x86/intel/uncore: Add Sapphire Rapids server M3UPI support
perf/x86/intel/uncore: Add Sapphire Rapids server UPI support
perf/x86/intel/uncore: Add Sapphire Rapids server M2M support
perf/x86/intel/uncore: Add Sapphire Rapids server IMC support
perf/x86/intel/uncore: Add Sapphire Rapids server PCU support
perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- The biggest change in this cycle is scheduler support for asymmetric
scheduling affinity, to support the execution of legacy 32-bit tasks
on AArch32 systems that also have 64-bit-only CPUs.
Architectures can fill in this functionality by defining their own
task_cpu_possible_mask(p). When this is done, the scheduler will make
sure the task will only be scheduled on CPUs that support it.
(The actual arm64 specific changes are not part of this tree.)
For other architectures there will be no change in functionality.
- Add cgroup SCHED_IDLE support
- Increase node-distance flexibility & delay determining it until a CPU
is brought online. (This enables platforms where node distance isn't
final until the CPU is only.)
- Deadline scheduler enhancements & fixes
- Misc fixes & cleanups.
* tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
eventfd: Make signal recursion protection a task bit
sched/fair: Mark tg_is_idle() an inline in the !CONFIG_FAIR_GROUP_SCHED case
sched: Introduce dl_task_check_affinity() to check proposed affinity
sched: Allow task CPU affinity to be restricted on asymmetric systems
sched: Split the guts of sched_setaffinity() into a helper function
sched: Introduce task_struct::user_cpus_ptr to track requested affinity
sched: Reject CPU affinity changes based on task_cpu_possible_mask()
cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq()
cpuset: Honour task_cpu_possible_mask() in guarantee_online_cpus()
cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1
sched: Introduce task_cpu_possible_mask() to limit fallback rq selection
sched: Cgroup SCHED_IDLE support
sched/topology: Skip updating masks for non-online nodes
sched: Replace deprecated CPU-hotplug functions.
sched: Skip priority checks with SCHED_FLAG_KEEP_PARAMS
sched: Fix UCLAMP_FLAG_IDLE setting
sched/deadline: Fix missing clock update in migrate_task_rq_dl()
sched/fair: Avoid a second scan of target in select_idle_cpu
sched/fair: Use prev instead of new target as recent_used_cpu
sched: Don't report SCHED_FLAG_SUGOV in sched_getattr()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Borislav Petkov:
"The usual round of minor cleanups and fixes"
* tag 'x86_cleanups_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kaslr: Have process_mem_region() return a boolean
x86/power: Fix kernel-doc warnings in cpu.c
x86/mce/inject: Replace deprecated CPU-hotplug functions.
x86/microcode: Replace deprecated CPU-hotplug functions.
x86/mtrr: Replace deprecated CPU-hotplug functions.
x86/mmiotrace: Replace deprecated CPU-hotplug functions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Borislav Petkov:
"A first round of changes towards splitting the arch-specific bits from
the filesystem bits of resctrl, the ultimate goal being to support
ARM's equivalent technology MPAM, with the same fs interface (James
Morse)"
* tag 'x86_cache_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
x86/resctrl: Make resctrl_arch_get_config() return its value
x86/resctrl: Merge the CDP resources
x86/resctrl: Expand resctrl_arch_update_domains()'s msr_param range
x86/resctrl: Remove rdt_cdp_peer_get()
x86/resctrl: Merge the ctrl_val arrays
x86/resctrl: Calculate the index from the configuration type
x86/resctrl: Apply offset correction when config is staged
x86/resctrl: Make ctrlval arrays the same size
x86/resctrl: Pass configuration type to resctrl_arch_get_config()
x86/resctrl: Add a helper to read a closid's configuration
x86/resctrl: Rename update_domains() to resctrl_arch_update_domains()
x86/resctrl: Allow different CODE/DATA configurations to be staged
x86/resctrl: Group staged configuration into a separate struct
x86/resctrl: Move the schemata names into struct resctrl_schema
x86/resctrl: Add a helper to read/set the CDP configuration
x86/resctrl: Swizzle rdt_resource and resctrl_schema in pseudo_lock_region
x86/resctrl: Pass the schema to resctrl filesystem functions
x86/resctrl: Add resctrl_arch_get_num_closid()
x86/resctrl: Store the effective num_closid in the schema
x86/resctrl: Walk the resctrl schema list instead of an arch list
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 build updates from Borislav Petkov:
- Remove cc-option checks which are old and already supported by the
minimal compiler version the kernel uses and thus avoid the need to
invoke the compiler unnecessarily.
- Cleanups
* tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Move the install rule to arch/x86/Makefile
x86/build: Remove the left-over bzlilo target
x86/tools/relocs: Mark die() with the printf function attr format
x86/build: Remove stale cc-option checks
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS update from Borislav Petkov:
"A single RAS change for 5.15:
- Do not start processing MCEs logged early because the decoding
chain is not up yet - delay that processing until everything is
ready"
* tag 'ras_core_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Defer processing of early errors
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
"The usual EDAC stuff which managed to trickle in for 5.15:
- Add new HBM2 (High Bandwidth Memory Gen 2) type and add support for
it to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm,
like on SKL
- Don't load the AMD EDAC decoder in virtual images
- The usual round of fixes and cleanups"
* tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: Retrieve and print retry_rd_err_log registers
EDAC/i10nm: Fix NVDIMM detection
EDAC/skx_common: Set the memory type correctly for HBM memory
EDAC/altera: Skip defining unused structures for specific configs
EDAC/mce_amd: Do not load edac_mce_amd module on guests
EDAC/mc: Add new HBM2 memory type
EDAC/amd64: Use DEVICE_ATTR helper macros
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
- Improve ftrace code patching so that stop_machine is not required
anymore. This requires a small common code patch acked by Steven
Rostedt:
https://lore.kernel.org/linux-s390/20210730220741.4da6fdf6@oasis.local.home/
- Enable KCSAN for s390. This comes with a small common code change to
fix a compile warning. Acked by Marco Elver:
https://lore.kernel.org/r/20210729142811.1309391-1-hca@linux.ibm.com
- Add KFENCE support for s390. This also comes with a minimal x86 patch
from Marco Elver who said also this can be carried via the s390 tree:
https://lore.kernel.org/linux-s390/YQJdarx6XSUQ1tFZ@elver.google.com/
- More changes to prepare the decompressor for relocation.
- Enable DAT also for CPU restart path.
- Final set of register asm removal patches; leaving only three
locations where needed and sane.
- Add NNPA, Vector-Packed-Decimal-Enhancement Facility 2, PCI MIO
support to hwcaps flags.
- Cleanup hwcaps implementation.
- Add new instructions to in-kernel disassembler.
- Various QDIO cleanups.
- Add SCLP debug feature.
- Various other cleanups and improvements all over the place.
* tag 's390-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (105 commits)
s390: remove SCHED_CORE from defconfigs
s390/smp: do not use nodat_stack for secondary CPU start
s390/smp: enable DAT before CPU restart callback is called
s390: update defconfigs
s390/ap: fix state machine hang after failure to enable irq
KVM: s390: generate kvm hypercall functions
s390/sclp: add tracing of SCLP interactions
s390/debug: add early tracing support
s390/debug: fix debug area life cycle
s390/debug: keep debug data on resize
s390/diag: make restart_part2 a local label
s390/mm,pageattr: fix walk_pte_level() early exit
s390: fix typo in linker script
s390: remove do_signal() prototype and do_notify_resume() function
s390/crypto: fix all kernel-doc warnings in vfio_ap_ops.c
s390/pci: improve DMA translation init and exit
s390/pci: simplify CLP List PCI handling
s390/pci: handle FH state mismatch only on disable
s390/pci: fix misleading rc in clp_set_pci_fn()
s390/boot: factor out offset_vmlinux_info() function
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
- miscellaneous fixes
- defconfig updates
* tag 'm68k-for-v5.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix asm register constraints for atomic ops
m68k: Fix invalid RMW_INSNS on CPUs that lack CAS
m68k: defconfig: Update defconfigs for v5.14-rc1
m68k: emu: Fix invalid free in nfeth_cleanup()
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Algorithms:
- Add AES-NI/AVX/x86_64 implementation of SM4.
Drivers:
- Add Arm SMCCC TRNG based driver"
[ And obviously a lot of random fixes and updates - Linus]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits)
crypto: sha512 - remove imaginary and mystifying clearing of variables
crypto: aesni - xts_crypt() return if walk.nbytes is 0
padata: Remove repeated verbose license text
crypto: ccp - Add support for new CCP/PSP device ID
crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
crypto: x86/sm4 - export reusable AESNI/AVX functions
crypto: rmd320 - remove rmd320 in Makefile
crypto: skcipher - in_irq() cleanup
crypto: hisilicon - check _PS0 and _PR0 method
crypto: hisilicon - change parameter passing of debugfs function
crypto: hisilicon - support runtime PM for accelerator device
crypto: hisilicon - add runtime PM ops
crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32'
crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm
crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
crypto: tcrypt - Fix missing return value check
crypto: hisilicon/sec - modify the hardware endian configuration
crypto: hisilicon/sec - fix the abnormal exiting process
crypto: qat - store vf.compatible flag
crypto: qat - do not export adf_iov_putmsg()
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
"RCU changes for this cycle were:
- Documentation updates
- Miscellaneous fixes
- Offloaded-callbacks updates
- Updates to the nolibc library
- Tasks-RCU updates
- In-kernel torture-test updates
- Torture-test scripting, perhaps most notably the pinning of
torture-test guest OSes so as to force differences in memory
latency. For example, in a two-socket system, a four-CPU guest OS
will have one pair of its CPUs pinned to threads in a single core
on one socket and the other pair pinned to threads in a single core
on the other socket. This approach proved able to force race
conditions that earlier testing missed. Some of these race
conditions are still being tracked down"
* 'core-rcu.2021.08.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
torture: Replace deprecated CPU-hotplug functions.
rcu: Replace deprecated CPU-hotplug functions
rcu: Print human-readable message for schedule() in RCU reader
rcu: Explain why rcu_all_qs() is a stub in preemptible TREE RCU
rcu: Use per_cpu_ptr to get the pointer of per_cpu variable
rcu: Remove useless "ret" update in rcu_gp_fqs_loop()
rcu: Mark accesses in tree_stall.h
rcu: Make rcu_gp_init() and rcu_gp_fqs_loop noinline to conserve stack
rcu: Mark lockless ->qsmask read in rcu_check_boost_fail()
srcutiny: Mark read-side data races
rcu: Start timing stall repetitions after warning complete
rcu: Do not disable GP stall detection in rcu_cpu_stall_reset()
rcu/tree: Handle VM stoppage in stall detection
rculist: Unify documentation about missing list_empty_rcu()
rcu: Mark accesses to ->rcu_read_lock_nesting
rcu: Weaken ->dynticks accesses and updates
rcu: Remove special bit at the bottom of the ->dynticks counter
rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock
rcu: Fix to include first blocked task in stall warning
torture: Make kvm-test-1-run-qemu.sh check for reboot loops
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"This starts with a couple of fixes for potential deadlocks in the
fowner/fasync handling.
The next patch removes the old mandatory locking code from the kernel
altogether.
The last patch cleans up rw_verify_area a bit more after the mandatory
locking removal"
* tag 'locks-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
fs: clean up after mandatory file locking support removal
fs: remove mandatory file locking support
fcntl: fix potential deadlock for &fasync_struct.fa_lock
fcntl: fix potential deadlocks for &fown_struct.lock
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git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm driver updates from Jarkko Sakkinen:
"The highlights are:
- Support for signing LKM's with ECDSA keys
- An integer overflow bug fix in pkey"
* tag 'tpmdd-next-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
crypto: public_key: fix overflow during implicit conversion
tpm: ibmvtpm: Avoid error message when process gets signal while waiting
certs: Add support for using elliptic curve keys for signing modules
certs: Trigger creation of RSA module signing key if it's not an RSA key
char: tpm: cr50_i2c: convert to new probe interface
char: tpm: Kconfig: remove bad i2c cr50 select
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Battery/charger related:
- cros-peripheral-charger: new driver
- mt6360-charger: new driver
- simple-battery: support reading chemistry info
- max17042-battery: add max77849 support
- sbs-battery: add time_to_empty_now support
- smb347-charger: prepare USB OTG support
- rn5t618: add voltage_now support
- axp288: cleanup & optimizations
- max17042_battery: cleanups
- ab8500: cleanups
- misc minor cleanups and DT binding fixes
reset related:
- tps65086-restart: new driver
- linkstation-poweroff: support NETGEAR ReadyNAS Duo v2"
* tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits)
power: supply: core: Fix parsing of battery chemistry/technology
power: supply: max17042_battery: log SOC threshold using debug log level
power: supply: max17042_battery: more robust chip type checks
power: supply: max17042_battery: fix typo in MAx17042_TOFF
power: supply: max17042_battery: clean up MAX17055_V_empty
power: supply: smb347-charger: Implement USB VBUS regulator
power: supply: smb347-charger: Add missing pin control activation
power: supply: smb347-charger: Utilize generic regmap caching
power: supply: smb347-charger: Make smb347_set_writable() IRQ-safe
dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator
power: reset: Add TPS65086 restart driver
dt-bindings: power: supply: max17042: describe interrupt
power: supply: max17042: remove duplicated STATUS bit defines
power: supply: max17042: handle fails of reading status register
power: supply: core: Parse battery chemistry/technology
dt-bindings: power: Extend battery bindings with chemistry
power: reset: linkstation-poweroff: add new device
power: reset: linkstation-poweroff: prepare for new devices
power: supply: bq24735: reorganize ChargeOption command macros
power: supply: rn5t618: Add voltage_now property
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, some fixes and a couple of new drivers plus
one small refactoring:
- Move the chip select timing configuration from the controller to
the device to allow a bit more flexibility
- New drivers for Rockchip SFC and Spreadtrum ADI"
* tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: spi-zynq-qspi: use wait_for_completion_timeout to make zynq_qspi_exec_mem_op not interruptible
spi: add sprd ADI for sc9863 and ums512
spi: Convert sprd ADI bindings to yaml
spi: sprd: Add ADI r3 support
spi: sprd: Fix the wrong WDG_LOAD_VAL
spi: davinci: invoke chipselect callback
spi: sprd: fill offset only to RD_CMD register for reading from slave device
spi: sprd: Make sure offset not equal to slave address size
spi: sprd: Pass offset instead of physical address to adi_read/_write()
spi: rockchip-sfc: Fix assigned but never used return error codes
spi: rockchip-sfc: Remove redundant IO operations
spi: stm32: fix excluded_middle.cocci warnings
spi: coldfire-qspi: Use clk_disable_unprepare in the remove function
spi: tegra20-slink: remove spi_master_put() in tegra_slink_remove()
spi: rockchip-sfc: add rockchip serial flash controller
spi: rockchip-sfc: Bindings for Rockchip serial flash controller
spi: orion: Prevent incorrect chip select behaviour
spi: mxic: add missing braces
spi: spi-pic32: Fix issue with uninitialized dma_slave_config
spi: spi-fsl-dspi: Fix issue with uninitialized dma_slave_config
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A very quiet releases, some fixes and cleanups but not really that
many of them. There were a couple of new driver specific pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices
- New drivers for Richtek RTQ2134, and RTQ6752"
* tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (37 commits)
regulator: vctrl: Avoid lockdep warning in enable/disable ops
regulator: vctrl: Use locked regulator_get_voltage in probe path
regulator: Documentation fix for regulator error notification helper
regulator: Minor regulator documentation fixes.
regulator: sy7636a: Use the regmap directly
regulator: sy7636a: Store the epd-pwr-good GPIO locally
regulator: sy7636a: Use the parent driver data
regulator: sy7636a: Remove the poll_enable_time
regulator: sy8827n: Enable REGCACHE_FLAT
regulator: sy8824x: Enable REGCACHE_FLAT
regulator: rtq2134: Fix coding style
regulator: hi6421v600: rename voltage range arrays
regulator: hi6421v600: use lowercase for ldo
regulator: fixed: use dev_err_probe for register
regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC
regulator: rtq2134: Add binding document for Richtek RTQ2134 SubPMIC
regulator: Fix a couple of spelling mistakes in Kconfig
regulator: rtq6752: fix reg reset behavior
regulator: da9063: Add support for full-current mode.
regulator: rt6245: make a const array func_base static, makes object smaller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A few small fixes for regmaps this time, plus support for allowing
drivers to select raw spinlocks for the locks in order to allow usage
in interrutpt controllers"
* tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: teach regmap to use raw spinlocks if requested in the config
regmap: allow const array for {devm_,}regmap_field_bulk_alloc reg_fields
regmap: Prefer unsigned int to bare use of unsigned
regmap: fix the offset of register error log
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fs hole punching vs cache filling race fixes from Jan Kara:
"Fix races leading to possible data corruption or stale data exposure
in multiple filesystems when hole punching races with operations such
as readahead.
This is the series I was sending for the last merge window but with
your objection fixed - now filemap_fault() has been modified to take
invalidate_lock only when we need to create new page in the page cache
and / or bring it uptodate"
* tag 'hole_punch_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
filesystems/locking: fix Malformed table warning
cifs: Fix race between hole punch and page fault
ceph: Fix race between hole punch and page fault
fuse: Convert to using invalidate_lock
f2fs: Convert to using invalidate_lock
zonefs: Convert to using invalidate_lock
xfs: Convert double locking of MMAPLOCK to use VFS helpers
xfs: Convert to use invalidate_lock
xfs: Refactor xfs_isilocked()
ext2: Convert to using invalidate_lock
ext4: Convert to use mapping->invalidate_lock
mm: Add functions to lock invalidate_lock for two mappings
mm: Protect operations adding pages to page cache with invalidate_lock
documentation: Sync file_operations members with reality
mm: Fix comments mentioning i_mutex
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF and isofs updates from Jan Kara:
"Several smaller fixes and cleanups in UDF and isofs"
* tag 'fs_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf_get_extendedattr() had no boundary checks.
isofs: joliet: Fix iocharset=utf8 mount option
udf: Fix iocharset=utf8 mount option
udf: Get rid of 0-length arrays in struct fileIdentDesc
udf: Get rid of 0-length arrays
udf: Remove unused declaration
udf: Check LVID earlier
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull FIEMAP cleanups from Jan Kara:
"FIEMAP cleanups from Christoph transitioning all remaining filesystems
supporting FIEMAP (ext2, hpfs) to iomap API and removing the old
helper"
* tag 'fiemap_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fs: remove generic_block_fiemap
hpfs: use iomap_fiemap to implement ->fiemap
ext2: use iomap_fiemap to implement ->fiemap
ext2: make ext2_iomap_ops available unconditionally
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"fsnotify speedups when notification actually isn't used and support
for identifying processes which caused fanotify events through pidfd
instead of normal pid"
* tag 'fsnotify_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: optimize the case of no marks of any type
fsnotify: count all objects with attached connectors
fsnotify: count s_fsnotify_inode_refs for attached connectors
fsnotify: replace igrab() with ihold() on attach connector
fanotify: add pidfd support to the fanotify API
fanotify: introduce a generic info record copying helper
fanotify: minor cosmetic adjustments to fid labels
kernel/pid.c: implement additional checks upon pidfd_create() parameters
kernel/pid.c: remove static qualifier from pidfd_create()
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As per the long-suffering comment.
Reported-by: Minh Yuan <yuanmingbuaa@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Linux console's VT102 implementation already consumes OSC
("Operating System Command") sequences, probably because that's how
palette changes are transmitted.
In addition to OSC, there are three other major clases of ANSI control
strings: APC ("Application Program Command"), PM ("Privacy Message"),
and DCS ("Device Control String"). They are handled similarly to OSC in
terms of termination.
Source: vt100.net
Add three new enumerated states, one for each of these types. All three
are handled the same way right now--they simply consume input until
terminated. I hope to expand upon this firmament in the future. Add
new predicate ansi_control_string(), returning true for any of these
states. Replace explicit checks against ESosc with calls to this
function. Transition to these states appropriately from the escape
initiation (ESesc) state.
This was motivated by the following Notcurses bugs:
https://github.com/dankamongmen/notcurses/issues/2050
https://github.com/dankamongmen/notcurses/issues/1828
https://github.com/dankamongmen/notcurses/issues/2069
where standard VT sequences are not consumed by the Linux console. It's
not necessary that the Linux console *support* these sequences, but it
ought *consume* these well-specified classes of sequences.
Tested by sending a variety of escape sequences to the console, and
verifying that they still worked, or were now properly consumed.
Verified that the escapes were properly terminated at a generic level.
Verified that the Notcurses tools continued to show expected output on
the Linux console, except now without escape bleedthrough.
Link: https://lore.kernel.org/lkml/YSydL0q8iaUfkphg@schwarzgerat.orthanc/
Signed-off-by: nick black <dankamongmen@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This just does the "if the architecture does efficient unaligned
handling, start the memcmp using 'unsigned long' accesses", since
Nikolay Borisov found a load that cares.
This is basically the minimal patch, and limited to architectures that
are known to not have slow unaligned handling. We've had the stupid
byte-at-a-time version forever, and nobody has ever even noticed before,
so let's keep the fix minimal.
A potential further improvement would be to align one of the sources in
order to at least minimize unaligned cases, but the only real case of
bigger memcmp() users seems to be the FIDEDUPERANGE ioctl(). As David
Sterba says, the dedupe ioctl is typically called on ranges spanning
many pages so the common case will all be page-aligned anyway.
All the relevant architectures select HAVE_EFFICIENT_UNALIGNED_ACCESS,
so I'm not going to worry about the combination of a very rare use-case
and a rare architecture until somebody actually hits it. Particularly
since Nikolay also tested the more complex patch with extra alignment
handling code, and it only added overhead.
Link: https://lore.kernel.org/lkml/20210721135926.602840-1-nborisov@suse.com/
Reported-by: Nikolay Borisov <nborisov@suse.com>
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This causes too many problems. Enable it again when everything has
been sorted out.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One hotfix for a NULL pointer deref in the Renesas usb clk driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: renesas: rcar-usb2-clock-sel: Fix kernel NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Have get_push_task() check whether current has migration disabled and
thus avoid useless invocations of the migration thread
- Rework initialization flow so that all rq->core's are initialized,
even of CPUs which have not been onlined yet, so that iterating over
them all works as expected
* tag 'sched_urgent_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix get_push_task() vs migrate_disable()
sched: Fix Core-wide rq->lock for uninitialized CPUs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Have msix_mask_all() check a global control which says whether MSI-X
masking should be done and thus make it usable on Xen-PV too
* tag 'irq_urgent_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
PCI/MSI: Skip masking MSI-X on Xen PV
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Prevent the amd/power module from being removed while in use
- Mark AMD IBS as not supporting content exclusion
- Add a workaround for AMD erratum #1197 where IBS registers might not
be restored properly after exiting CC6 state
- Fix a potential truncation of a 32-bit variable due to shifting
- Read the correct bits describing the number of configurable address
ranges on Intel PT
* tag 'perf_urgent_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/amd/power: Assign pmu.module
perf/x86/amd/ibs: Extend PERF_PMU_CAP_NO_EXCLUDE to IBS Op
perf/x86/amd/ibs: Work around erratum #1197
perf/x86/intel/uncore: Fix integer overflow on 23 bit left shift of a u32
perf/x86/intel/pt: Fix mask of num_address_ranges
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix build error on RHEL where -Werror=maybe-uninitialized is set.
- Restore the firmware's IDT when calling EFI boot services and before
ExitBootServices() has been called. This fixes a boot failure on what
appears to be a tablet with 32-bit UEFI running a 64-bit kernel.
* tag 'x86_urgent_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Fix a maybe-uninitialized build warning treated as error
x86/efi: Restore Firmware IDT before calling ExitBootServices()
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strncpy and strcat"
This reverts commit 83af58f8068ea3f7b3c537c37a30887bfa585069.
It turns out that at least the assembly implementation for strncpy() was
buggy. Revert the whole commit and return back to the default coding.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v5.4+
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The probe was manually passing NULL instead of dev to devm_clk_hw_register.
This caused a Unable to handle kernel NULL pointer dereference error.
Fix this by passing 'dev'.
Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: a20a40a8bbc2 ("clk: renesas: rcar-usb2-clock-sel: Fix error handling in .probe()")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"A single fix for a race introduced by a fix that went into 5.14-rc5"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Fix hang of freezing queue between blocking and running device
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Pull USB fixes from Greg KH:
"Here are a few tiny USB fixes for reported issues with some USB
drivers.
These fixes include:
- gadget driver fixes for regressions
- tcpm driver fix
- dwc3 driver fixes
- xhci renesas firmware loading fix, again.
- usb serial option driver device id addition
- usb serial ch341 revert for regression
All all of these have been in linux-next with no reported problems"
* tag 'usb-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: u_audio: fix race condition on endpoint stop
usb: gadget: f_uac2: fixup feedback endpoint stop
usb: typec: tcpm: Raise vdm_sm_running flag only when VDM SM is running
usb: renesas-xhci: Prefer firmware loading on unknown ROM state
usb: dwc3: gadget: Stop EP0 transfers during pullup disable
usb: dwc3: gadget: Fix dwc3_calc_trbs_left()
Revert "USB: serial: ch341: fix character loss at high transfer rates"
USB: serial: option: add new VID/PID to support Fibocom FG150
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix scv implicit soft-mask table for relocated (eg. kdump) kernels
- Re-enable ARCH_ENABLE_SPLIT_PMD_PTLOCK, which was disabled due to a
typo
Thanks to Lukas Bulwahn, Nicholas Piggin, and Daniel Axtens.
* tag 'powerpc-5.14-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Fix scv implicit soft-mask table for relocated kernels
powerpc: Re-enable ARCH_ENABLE_SPLIT_PMD_PTLOCK
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The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().
Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210803141621.780504-21-bigeasy@linutronix.de
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The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().
Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20210803141621.780504-16-bigeasy@linutronix.de
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The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().
Update the documentation accordingly.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210803141621.780504-2-bigeasy@linutronix.de
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The recursion protection for eventfd_signal() is based on a per CPU
variable and relies on the !RT semantics of spin_lock_irqsave() for
protecting this per CPU variable. On RT kernels spin_lock_irqsave() neither
disables preemption nor interrupts which allows the spin lock held section
to be preempted. If the preempting task invokes eventfd_signal() as well,
then the recursion warning triggers.
Paolo suggested to protect the per CPU variable with a local lock, but
that's heavyweight and actually not necessary. The goal of this protection
is to prevent the task stack from overflowing, which can be achieved with a
per task recursion protection as well.
Replace the per CPU variable with a per task bit similar to other recursion
protection bits like task_struct::in_page_owner. This works on both !RT and
RT kernels and removes as a side effect the extra per CPU storage.
No functional change for !RT kernels.
Reported-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/87wnp9idso.ffs@tglx
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Pull block fixes from Jens Axboe:
- Revert the mq-deadline priority handling, it's causing serious
performance regressions. While experimental patches exists to fix
this up, it's too late to do so now. Revert it and re-do it properly
for 5.15 instead.
- Fix a NULL vs IS_ERR() regression in this release (Dan)
- Fix a mq-deadline accounting regression in this release (Bart)
- Mark cryptoloop as deprecated. It's broken and dm-crypt fully
supports it, and it's actively intefering with loop. Plan on removal
for 5.16 (Christoph)
* tag 'block-5.14-2021-08-27' of git://git.kernel.dk/linux-block:
cryptoloop: add a deprecation warning
pd: fix a NULL vs IS_ERR() check
Revert "block/mq-deadline: Prioritize high-priority requests"
mq-deadline: Fix request accounting
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Just two trivial fixes from the reset driver tree, nothing else came
up since the last soc fixes"
* tag 'soc-fixes-5.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
reset: reset-zynqmp: Fixed the argument data type
reset: RESET_MCHP_SPARX5 should depend on ARCH_SPARX5
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a regression introduced during this cycle that has been partially
addressed by an earlier commit (Andy Shevchenko)"
* tag 'acpi-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
media: ipu3-cio2: Drop reference on error path in cio2_bridge_connect_sensor()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two issues introduced during this cycle, one of which is a
regression and the other one affects new code.
Specifics:
- Prevent the operating performance points (OPP) code from crashing
when some entries in the table of required OPPs are set to error
pointer values (Marijn Suijten)
- Prevent the generic power domains (genpd) framework from
incorrectly overriding the performance state of a device set by its
driver while it is runtime-suspended or when runtime PM of it is
disabled (Dmitry Osipenko)"
* tag 'pm-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: domains: Improve runtime PM performance state handling
opp: core: Check for pending links before reading required_opp pointers
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virtio_mem_set_fake_offline() might sleep now, and we call it under
rcu_read_lock(). To fix it, simply move the rcu_read_unlock() further
up, as we're done with the device.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 6cc26d77613a: "virtio-mem: use page_offline_(start|end) when setting PageOffline()
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* pm-opp:
opp: core: Check for pending links before reading required_opp pointers
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- device tree updates for the Microsemi Polarfire development kit that
fix some mismatches between the u-boot and Linux enternet entries
- ensure that the F register state is correctly reflected in core dumps
* tag 'riscv-for-linus-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: dts: microchip: Add ethernet0 to the aliases node
riscv: dts: microchip: Use 'local-mac-address' for emac1
riscv: Ensure the value of FP registers in the core dump file is up to date
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