set from Mauro toward the completion of the RST conversion. I *really*
hope we are getting close to the end of this. Meanwhile, those patches
reach pretty far afield to update document references around the tree;
there should be no actual code changes there. There will be, alas, more of
the usual trivial merge conflicts.
Beyond that we have more translations, improvements to the sphinx
scripting, a number of additions to the sysctl documentation, and lots of
fixes.
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Merge tag 'docs-5.8' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A fair amount of stuff this time around, dominated by yet another
massive set from Mauro toward the completion of the RST conversion. I
*really* hope we are getting close to the end of this. Meanwhile,
those patches reach pretty far afield to update document references
around the tree; there should be no actual code changes there. There
will be, alas, more of the usual trivial merge conflicts.
Beyond that we have more translations, improvements to the sphinx
scripting, a number of additions to the sysctl documentation, and lots
of fixes"
* tag 'docs-5.8' of git://git.lwn.net/linux: (130 commits)
Documentation: fixes to the maintainer-entry-profile template
zswap: docs/vm: Fix typo accept_threshold_percent in zswap.rst
tracing: Fix events.rst section numbering
docs: acpi: fix old http link and improve document format
docs: filesystems: add info about efivars content
Documentation: LSM: Correct the basic LSM description
mailmap: change email for Ricardo Ribalda
docs: sysctl/kernel: document unaligned controls
Documentation: admin-guide: update bug-hunting.rst
docs: sysctl/kernel: document ngroups_max
nvdimm: fixes to maintainter-entry-profile
Documentation/features: Correct RISC-V kprobes support entry
Documentation/features: Refresh the arch support status files
Revert "docs: sysctl/kernel: document ngroups_max"
docs: move locking-specific documents to locking/
docs: move digsig docs to the security book
docs: move the kref doc into the core-api book
docs: add IRQ documentation at the core-api book
docs: debugging-via-ohci1394.txt: add it to the core-api book
docs: fix references for ipmi.rst file
...
- Branch Target Identification (BTI)
* Support for ARMv8.5-BTI in both user- and kernel-space. This
allows branch targets to limit the types of branch from which
they can be called and additionally prevents branching to
arbitrary code, although kernel support requires a very recent
toolchain.
* Function annotation via SYM_FUNC_START() so that assembly
functions are wrapped with the relevant "landing pad"
instructions.
* BPF and vDSO updates to use the new instructions.
* Addition of a new HWCAP and exposure of BTI capability to
userspace via ID register emulation, along with ELF loader
support for the BTI feature in .note.gnu.property.
* Non-critical fixes to CFI unwind annotations in the sigreturn
trampoline.
- Shadow Call Stack (SCS)
* Support for Clang's Shadow Call Stack feature, which reserves
platform register x18 to point at a separate stack for each
task that holds only return addresses. This protects function
return control flow from buffer overruns on the main stack.
* Save/restore of x18 across problematic boundaries (user-mode,
hypervisor, EFI, suspend, etc).
* Core support for SCS, should other architectures want to use it
too.
* SCS overflow checking on context-switch as part of the existing
stack limit check if CONFIG_SCHED_STACK_END_CHECK=y.
- CPU feature detection
* Removed numerous "SANITY CHECK" errors when running on a system
with mismatched AArch32 support at EL1. This is primarily a
concern for KVM, which disabled support for 32-bit guests on
such a system.
* Addition of new ID registers and fields as the architecture has
been extended.
- Perf and PMU drivers
* Minor fixes and cleanups to system PMU drivers.
- Hardware errata
* Unify KVM workarounds for VHE and nVHE configurations.
* Sort vendor errata entries in Kconfig.
- Secure Monitor Call Calling Convention (SMCCC)
* Update to the latest specification from Arm (v1.2).
* Allow PSCI code to query the SMCCC version.
- Software Delegated Exception Interface (SDEI)
* Unexport a bunch of unused symbols.
* Minor fixes to handling of firmware data.
- Pointer authentication
* Add support for dumping the kernel PAC mask in vmcoreinfo so
that the stack can be unwound by tools such as kdump.
* Simplification of key initialisation during CPU bringup.
- BPF backend
* Improve immediate generation for logical and add/sub
instructions.
- vDSO
- Minor fixes to the linker flags for consistency with other
architectures and support for LLVM's unwinder.
- Clean up logic to initialise and map the vDSO into userspace.
- ACPI
- Work around for an ambiguity in the IORT specification relating
to the "num_ids" field.
- Support _DMA method for all named components rather than only
PCIe root complexes.
- Minor other IORT-related fixes.
- Miscellaneous
* Initialise debug traps early for KGDB and fix KDB cacheflushing
deadlock.
* Minor tweaks to early boot state (documentation update, set
TEXT_OFFSET to 0x0, increase alignment of PE/COFF sections).
* Refactoring and cleanup
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"A sizeable pile of arm64 updates for 5.8.
Summary below, but the big two features are support for Branch Target
Identification and Clang's Shadow Call stack. The latter is currently
arm64-only, but the high-level parts are all in core code so it could
easily be adopted by other architectures pending toolchain support
Branch Target Identification (BTI):
- Support for ARMv8.5-BTI in both user- and kernel-space. This allows
branch targets to limit the types of branch from which they can be
called and additionally prevents branching to arbitrary code,
although kernel support requires a very recent toolchain.
- Function annotation via SYM_FUNC_START() so that assembly functions
are wrapped with the relevant "landing pad" instructions.
- BPF and vDSO updates to use the new instructions.
- Addition of a new HWCAP and exposure of BTI capability to userspace
via ID register emulation, along with ELF loader support for the
BTI feature in .note.gnu.property.
- Non-critical fixes to CFI unwind annotations in the sigreturn
trampoline.
Shadow Call Stack (SCS):
- Support for Clang's Shadow Call Stack feature, which reserves
platform register x18 to point at a separate stack for each task
that holds only return addresses. This protects function return
control flow from buffer overruns on the main stack.
- Save/restore of x18 across problematic boundaries (user-mode,
hypervisor, EFI, suspend, etc).
- Core support for SCS, should other architectures want to use it
too.
- SCS overflow checking on context-switch as part of the existing
stack limit check if CONFIG_SCHED_STACK_END_CHECK=y.
CPU feature detection:
- Removed numerous "SANITY CHECK" errors when running on a system
with mismatched AArch32 support at EL1. This is primarily a concern
for KVM, which disabled support for 32-bit guests on such a system.
- Addition of new ID registers and fields as the architecture has
been extended.
Perf and PMU drivers:
- Minor fixes and cleanups to system PMU drivers.
Hardware errata:
- Unify KVM workarounds for VHE and nVHE configurations.
- Sort vendor errata entries in Kconfig.
Secure Monitor Call Calling Convention (SMCCC):
- Update to the latest specification from Arm (v1.2).
- Allow PSCI code to query the SMCCC version.
Software Delegated Exception Interface (SDEI):
- Unexport a bunch of unused symbols.
- Minor fixes to handling of firmware data.
Pointer authentication:
- Add support for dumping the kernel PAC mask in vmcoreinfo so that
the stack can be unwound by tools such as kdump.
- Simplification of key initialisation during CPU bringup.
BPF backend:
- Improve immediate generation for logical and add/sub instructions.
vDSO:
- Minor fixes to the linker flags for consistency with other
architectures and support for LLVM's unwinder.
- Clean up logic to initialise and map the vDSO into userspace.
ACPI:
- Work around for an ambiguity in the IORT specification relating to
the "num_ids" field.
- Support _DMA method for all named components rather than only PCIe
root complexes.
- Minor other IORT-related fixes.
Miscellaneous:
- Initialise debug traps early for KGDB and fix KDB cacheflushing
deadlock.
- Minor tweaks to early boot state (documentation update, set
TEXT_OFFSET to 0x0, increase alignment of PE/COFF sections).
- Refactoring and cleanup"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (148 commits)
KVM: arm64: Move __load_guest_stage2 to kvm_mmu.h
KVM: arm64: Check advertised Stage-2 page size capability
arm64/cpufeature: Add get_arm64_ftr_reg_nowarn()
ACPI/IORT: Remove the unused __get_pci_rid()
arm64/cpuinfo: Add ID_MMFR4_EL1 into the cpuinfo_arm64 context
arm64/cpufeature: Add remaining feature bits in ID_AA64PFR1 register
arm64/cpufeature: Add remaining feature bits in ID_AA64PFR0 register
arm64/cpufeature: Add remaining feature bits in ID_AA64ISAR0 register
arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register
arm64/cpufeature: Add remaining feature bits in ID_PFR0 register
arm64/cpufeature: Introduce ID_MMFR5 CPU register
arm64/cpufeature: Introduce ID_DFR1 CPU register
arm64/cpufeature: Introduce ID_PFR2 CPU register
arm64/cpufeature: Make doublelock a signed feature in ID_AA64DFR0
arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
arm64/cpufeature: Add explicit ftr_id_isar0[] for ID_ISAR0 register
arm64: mm: Add asid_gen_match() helper
firmware: smccc: Fix missing prototype warning for arm_smccc_version_init
arm64: vdso: Fix CFI directives in sigreturn trampoline
arm64: vdso: Don't prefix sigreturn trampoline with a BTI C instruction
...
their width from CPUID. As a prerequsite, streamline and unify the CPUID
detection of the respective resource control attributes. By Reinette
Chatre.
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Merge tag 'x86_cache_updates_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache resource control updates from Borislav Petkov:
"Add support for wider Memory Bandwidth Monitoring counters by querying
their width from CPUID.
As a prerequsite for that, streamline and unify the CPUID detection of
the respective resource control attributes.
By Reinette Chatre"
* tag 'x86_cache_updates_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Support wider MBM counters
x86/resctrl: Support CPUID enumeration of MBM counter width
x86/resctrl: Maintain MBM counter width per resource
x86/resctrl: Query LLC monitoring properties once during boot
x86/resctrl: Remove unnecessary RMID checks
x86/cpu: Move resctrl CPUID code to resctrl/
x86/resctrl: Rename asm/resctrl_sched.h to asm/resctrl.h
steppings due to the offset change of the bus number configuration
register, by Qiuxu Zhuo.
* The usual cleanups and fixes all over the place.
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Merge tag 'edac_updates_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Fix i10nm_edac loading on some Ice Lake and Tremont/Jacobsville
steppings due to the offset change of the bus number configuration
register, by Qiuxu Zhuo.
- The usual cleanups and fixes all over the place.
* tag 'edac_updates_for_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Remove redundant assignment to variable ret in hw_info_get()
EDAC/skx: Use the mcmtr register to retrieve close_pg/bank_xor_enable
EDAC/i10nm: Update driver to support different bus number config register offsets
EDAC, {skx,i10nm}: Make some configurations CPU model specific
EDAC/amd8131: Remove defined but not used bridge_str
EDAC/thunderx: Make symbols static
MAINTAINERS: Remove sifive_l2_cache.c from EDAC-SIFIVE pattern
EDAC/xgene: Remove set but not used address local var
EDAC/armada_xp: Fix some log messages
- refactor pstore locking for safer module unloading (Kees Cook)
- remove orphaned records from pstorefs when backend unloaded (Kees Cook)
- refactor dump_oops parameter into max_reason (Pavel Tatashin)
- introduce pstore/zone for common code for contiguous storage (WeiXiong Liao)
- introduce pstore/blk for block device backend (WeiXiong Liao)
- introduce mtd backend (WeiXiong Liao)
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Merge tag 'pstore-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook:
"Fixes and new features for pstore.
This is a pretty big set of changes (relative to past pstore pulls),
but it has been in -next for a while. The biggest change here is the
ability to support a block device as a pstore backend, which has been
desired for a while. A lot of additional fixes and refactorings are
also included, mostly in support of the new features.
- refactor pstore locking for safer module unloading (Kees Cook)
- remove orphaned records from pstorefs when backend unloaded (Kees
Cook)
- refactor dump_oops parameter into max_reason (Pavel Tatashin)
- introduce pstore/zone for common code for contiguous storage
(WeiXiong Liao)
- introduce pstore/blk for block device backend (WeiXiong Liao)
- introduce mtd backend (WeiXiong Liao)"
* tag 'pstore-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (35 commits)
mtd: Support kmsg dumper based on pstore/blk
pstore/blk: Introduce "best_effort" mode
pstore/blk: Support non-block storage devices
pstore/blk: Provide way to query pstore configuration
pstore/zone: Provide way to skip "broken" zone for MTD devices
Documentation: Add details for pstore/blk
pstore/zone,blk: Add ftrace frontend support
pstore/zone,blk: Add console frontend support
pstore/zone,blk: Add support for pmsg frontend
pstore/blk: Introduce backend for block devices
pstore/zone: Introduce common layer to manage storage zones
ramoops: Add "max-reason" optional field to ramoops DT node
pstore/ram: Introduce max_reason and convert dump_oops
pstore/platform: Pass max_reason to kmesg dump
printk: Introduce kmsg_dump_reason_str()
printk: honor the max_reason field in kmsg_dumper
printk: Collapse shutdown types into a single dump reason
pstore/ftrace: Provide ftrace log merging routine
pstore/ram: Refactor ftrace buffer merging
pstore/ram: Refactor DT size parsing
...
Pull crypto updates from Herbert Xu:
"API:
- Introduce crypto_shash_tfm_digest() and use it wherever possible.
- Fix use-after-free and race in crypto_spawn_alg.
- Add support for parallel and batch requests to crypto_engine.
Algorithms:
- Update jitter RNG for SP800-90B compliance.
- Always use jitter RNG as seed in drbg.
Drivers:
- Add Arm CryptoCell driver cctrng.
- Add support for SEV-ES to the PSP driver in ccp"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (114 commits)
crypto: hisilicon - fix driver compatibility issue with different versions of devices
crypto: engine - do not requeue in case of fatal error
crypto: cavium/nitrox - Fix a typo in a comment
crypto: hisilicon/qm - change debugfs file name from qm_regs to regs
crypto: hisilicon/qm - add DebugFS for xQC and xQE dump
crypto: hisilicon/zip - add debugfs for Hisilicon ZIP
crypto: hisilicon/hpre - add debugfs for Hisilicon HPRE
crypto: hisilicon/sec2 - add debugfs for Hisilicon SEC
crypto: hisilicon/qm - add debugfs to the QM state machine
crypto: hisilicon/qm - add debugfs for QM
crypto: stm32/crc32 - protect from concurrent accesses
crypto: stm32/crc32 - don't sleep in runtime pm
crypto: stm32/crc32 - fix multi-instance
crypto: stm32/crc32 - fix run-time self test issue.
crypto: stm32/crc32 - fix ext4 chksum BUG_ON()
crypto: hisilicon/zip - Use temporary sqe when doing work
crypto: hisilicon - add device error report through abnormal irq
crypto: hisilicon - remove codes of directly report device errors through MSI
crypto: hisilicon - QM memory management optimization
crypto: hisilicon - unify initial value assignment into QM
...
The big change in this release is that Matti Vaittinen has factored out
the linear ranges support into a separate library in lib/ since it is
also useful for at least the power subsystem (and most likely others
too), it helps subsystems which need to map register values into more
useful real world values do so with minimal per-driver code.
- Factoring out of the linear ranges support into a library in lib/
from Matti Vaittinen.
- Trace points for bypass mode.
- Use the consumer name in debugfs to make it easier to understand.
- New drivers for Maxim MAX77826 and MAX8998.
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Merge tag 'regulator-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The big change in this release is that Matti Vaittinen has factored
out the linear ranges support into a separate library in lib/ since it
is also useful for at least the power subsystem (and most likely
others too), it helps subsystems which need to map register values
into more useful real world values do so with minimal per-driver code.
- Factoring out of the linear ranges support into a library in lib/
from Matti Vaittinen.
- Trace points for bypass mode.
- Use the consumer name in debugfs to make it easier to understand.
- New drivers for Maxim MAX77826 and MAX8998"
* tag 'regulator-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (23 commits)
regulator: max8998: max8998_set_current_limit() can be static
dt-bindings: regulator: Convert anatop regulator to json-schema
regulator: core: Add regulator bypass trace points
regulator: extract voltage balancing code to the separate function
regulator/mfd: max8998: Document charger regulator
regulator: max8998: Add charger regulator
MAINTAINERS: Add maintainer entry for linear ranges helper
regulator: bd718x7: remove voltage change restriction from BD71847 LDOs
lib: linear_ranges: Add missing MODULE_LICENSE()
regulator: use linear_ranges helper
power: supply: bd70528: rename linear_range to avoid collision
lib/test_linear_ranges: add a test for the 'linear_ranges'
lib: add linear ranges helpers
regulator: db8500-prcmu: Use true,false for bool variable
regulator: bd718x7: remove voltage change restriction from BD71847
regulator: max77826: Remove erroneous additionalProperties
regulator: qcom-rpmh: Fix typos in pm8150 and pm8150l
regulator: Document bindings for max77826
regulator: max77826: Add max77826 regulator driver
regulator: tps80031: remove redundant assignment to variables ret and val
...
This has been a very active release for the DesignWare driver in
particular - after a long period of inactivity we have had a lot of
people actively working on it for unrelated reasons this cycle with some
of that work still not landed. Otherwise it's been fairly quiet for the
subsystem. Highlights include:
- Lots of performance improvements and fixes for the DesignWare driver
from Serge Semin, Andy Shevchenko, Wan Ahmad Zainie, Clement Leger,
Dinh Nguyen and Jarkko Nikula.
- Support for octal mode transfers in spidev.
- Slave mode support for the Rockchip drivers.
- Support for AMD controllers, Broadcom mspi and Raspberry Pi 4,
and Intel Elkhart Lake.
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Merge tag 'spi-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This has been a very active release for the DesignWare driver in
particular - after a long period of inactivity we have had a lot of
people actively working on it for unrelated reasons this cycle with
some of that work still not landed.
Otherwise it's been fairly quiet for the subsystem.
Highlights include:
- Lots of performance improvements and fixes for the DesignWare
driver from Serge Semin, Andy Shevchenko, Wan Ahmad Zainie, Clement
Leger, Dinh Nguyen and Jarkko Nikula.
- Support for octal mode transfers in spidev.
- Slave mode support for the Rockchip drivers.
- Support for AMD controllers, Broadcom mspi and Raspberry Pi 4, and
Intel Elkhart Lake"
* tag 'spi-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (125 commits)
spi: spi-fsl-dspi: fix native data copy
spi: Convert DW SPI binding to DT schema
spi: dw: Refactor mid_spi_dma_setup() to separate DMA and IRQ config
spi: dw: Make DMA request line assignments explicit for Intel Medfield
spi: bcm2835: Remove shared interrupt support
dt-bindings: snps,dw-apb-ssi: add optional reset property
spi: dw: add reset control
spi: bcm2835: Enable shared interrupt support
spi: bcm2835: Implement shutdown callback
spi: dw: Use regset32 DebugFS method to create regdump file
spi: dw: Add DMA support to the DW SPI MMIO driver
spi: dw: Cleanup generic DW DMA code namings
spi: dw: Add DW SPI DMA/PCI/MMIO dependency on the DW SPI core
spi: dw: Remove DW DMA code dependency from DW_DMAC_PCI
spi: dw: Move Non-DMA code to the DW PCIe-SPI driver
spi: dw: Add core suffix to the DW APB SSI core source file
spi: dw: Fix Rx-only DMA transfers
spi: dw: Use DMA max burst to set the request thresholds
spi: dw: Parameterize the DMA Rx/Tx burst length
spi: dw: Add SPI Rx-done wait method to DMA-based transfer
...
Infrastructure
- Add notification support
New drivers
- Baikal-T1 PVT sensor driver
- amd_energy driver to report energy counters
- Driver for Maxim MAX16601
- Gateworks System Controller
Various
- applesmc: avoid overlong udelay()
- dell-smm: Use one DMI match for all XPS models
- ina2xx: Implement alert functions
- lm70: Add support for ACPI
- lm75: Fix coding-style warnings
- lm90: Add max6654 support to lm90 driver
- nct7802: Replace container_of() API
- nct7904: Set default timeout
- nct7904: Add watchdog function
- pmbus: Improve initialization of 'currpage' and 'currphase'
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Merge tag 'hwmon-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Infrastructure:
- Add notification support
New drivers:
- Baikal-T1 PVT sensor driver
- amd_energy driver to report energy counters
- Driver for Maxim MAX16601
- Gateworks System Controller
Various:
- applesmc: avoid overlong udelay()
- dell-smm: Use one DMI match for all XPS models
- ina2xx: Implement alert functions
- lm70: Add support for ACPI
- lm75: Fix coding-style warnings
- lm90: Add max6654 support to lm90 driver
- nct7802: Replace container_of() API
- nct7904: Set default timeout
- nct7904: Add watchdog function
- pmbus: Improve initialization of 'currpage' and 'currphase'"
* tag 'hwmon-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (24 commits)
hwmon: Add Baikal-T1 PVT sensor driver
hwmon: Add notification support
dt-bindings: hwmon: Add Baikal-T1 PVT sensor binding
hwmon: (applesmc) avoid overlong udelay()
hwmon: (nct7904) Set default timeout
hwmon: (amd_energy) Missing platform_driver_unregister() on error in amd_energy_init()
MAINTAINERS: add entry for AMD energy driver
hwmon: (amd_energy) Add documentation
hwmon: Add amd_energy driver to report energy counters
hwmon: (nct7802) Replace container_of() API
hwmon: (lm90) Add max6654 support to lm90 driver
hwmon : (nct6775) Use kobj_to_dev() API
hwmon: (pmbus) Driver for Maxim MAX16601
hwmon: (pmbus) Improve initialization of 'currpage' and 'currphase'
hwmon: (adt7411) update contact email
hwmon: (lm75) Fix all coding-style warnings on lm75 driver
hwmon: Reduce indentation level in __hwmon_device_register()
hwmon: (ina2xx) Implement alert functions
hwmon: (lm70) Add support for ACPI
hwmon: (dell-smm) Use one DMI match for all XPS models
...
Add details on using pstore/blk, the new backend of pstore to record
dumps to block devices, in Documentation/admin-guide/pstore-blk.rst
Signed-off-by: WeiXiong Liao <liaoweixiong@allwinnertech.com>
Link: https://lore.kernel.org/lkml/20200511233229.27745-7-keescook@chromium.org/
Signed-off-by: Kees Cook <keescook@chromium.org>
Merge misc fixes from Andrew Morton:
"11 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: add files related to kdump
z3fold: fix use-after-free when freeing handles
sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()
MAINTAINERS: update email address for Naoya Horiguchi
sh: include linux/time_types.h for sockios
kasan: disable branch tracing for core runtime
selftests/vm/write_to_hugetlbfs.c: fix unused variable warning
selftests/vm/.gitignore: add mremap_dontunmap
rapidio: fix an error in get_user_pages_fast() error handling
x86: bitops: fix build regression
device-dax: don't leak kernel memory to user space after unloading kmem
Kdump is implemented based on kexec, however some files are only related
to crash dumping and missing, add them to KDUMP entry.
Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Dave Young <dyoung@redhat.com>
Link: http://lkml.kernel.org/r/20200520103633.GW5029@MiWiFi-R3L-srv
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
My email address has changed due to system upgrade, so please update it
in MAINTAINERS list. My old address (n-horiguchi@ah.jp.nec.com) will be
still active for a few months.
Note that my email system has some encoding issue and can't send patches
in raw format via git-send-email. So patches from me will be delivered
via my free address (nao.horiguchi@gmail.com) or GitHub.
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1589874488-9247-1-git-send-email-naoya.horiguchi@nec.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
vmwgfx:
- change maintainers
- fix redundant assignment
- fix parameter name
- fix return value
etnaviv:
- memory leak fix when userspace passes a invalid softpin address
- off-by-one crashing the kernel in the perfmon domain iteration when
the GPU core has both 2D and 3D capabilities
amdgpu:
- DP fix
- Floating point fix
- Fix cursor stutter issue
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Merge tag 'drm-fixes-2020-05-23' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Things seemed to have quieten down, though no i915 pull (I even gave
them an extra 12 hours in case they were late).
The amdgpu floating point fix is probably the largest, but it just
moves some code around to it doesn't do fpu stuff outside the fpu
boundaries. Otherwise it's just a couple of vmwgfx fixes (maintainer
change) and two etnaviv fixes.
vmwgfx:
- change maintainers
- fix redundant assignment
- fix parameter name
- fix return value
etnaviv:
- memory leak fix when userspace passes a invalid softpin address
- off-by-one crashing the kernel in the perfmon domain iteration when
the GPU core has both 2D and 3D capabilities
amdgpu:
- DP fix
- Floating point fix
- Fix cursor stutter issue"
* tag 'drm-fixes-2020-05-23' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: Defer cursor lock until after VUPDATE
drm/amd/display: Remove dml_common_def file
drm/amd/display: DP training to set properly SCRAMBLING_DISABLE
drm/edid: Add Oculus Rift S to non-desktop list
drm/etnaviv: Fix a leak in submit_pin_objects()
drm/etnaviv: fix perfmon domain interation
drm/vmwgfx: Return true in function vmw_fence_obj_signaled()
drm/vmwgfx: remove redundant assignment to variable ret
drm/vmwgfx: Fix parameter name in vmw_bo_init
drm/vmwgfx: update MAINTAINERS entry
In order to add newer SMCCC v1.1+ functionality and to avoid cluttering
PSCI firmware driver with SMCCC bits, let us move the SMCCC specific
details under drivers/firmware/smccc/smccc.c
We can also drop conduit and smccc_version from psci_operations structure
as SMCCC was the sole user and now it maintains those.
No functionality change in this patch though.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20200518091222.27467-6-sudeep.holla@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
The Gateworks System Controller has a hwmon sub-component that exposes
up to 16 ADC's, some of which are temperature sensors, others which are
voltage inputs. The ADC configuration (register mapping and name) is
configured via device-tree and varies board to board.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The Gateworks System Controller (GSC) is an I2C slave controller
implemented with an MSP430 micro-controller whose firmware embeds the
following features:
- I/O expander (16 GPIO's) using PCA955x protocol
- Real Time Clock using DS1672 protocol
- User EEPROM using AT24 protocol
- HWMON using custom protocol
- Interrupt controller with tamper detect, user pushbotton
- Watchdog controller capable of full board power-cycle
- Power Control capable of full board power-cycle
see http://trac.gateworks.com/wiki/gsc for more details
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Pull i2c fixes from Wolfram Sang:
"A set of driver and core fixes as well as MAINTAINER update"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: add maintainer for mediatek i2c controller driver
i2c: mux: Replace zero-length array with flexible-array
i2c: mux: demux-pinctrl: Fix an error handling path in 'i2c_demux_pinctrl_probe()'
i2c: altera: Fix race between xfer_msg and isr thread
i2c: algo-pca: update contact email
i2c: at91: Fix pinmux after devm_gpiod_get() for bus recovery
i2c: use my kernel.org address from now on
i2c: fix missing pm_runtime_put_sync in i2c_device_probe
Maintainer switch from Thomas Hellstrom to Roland Scheidegger
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Reviewed-by: Neha Bhende <bhenden@vmware.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
Pull networking fixes from David Miller:
1) Fix sk_psock reference count leak on receive, from Xiyu Yang.
2) CONFIG_HNS should be invisible, from Geert Uytterhoeven.
3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this,
from Maciej Żenczykowski.
4) ipv4 route redirect backoff wasn't actually enforced, from Paolo
Abeni.
5) Fix netprio cgroup v2 leak, from Zefan Li.
6) Fix infinite loop on rmmod in conntrack, from Florian Westphal.
7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet.
8) Various bpf probe handling fixes, from Daniel Borkmann.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
selftests: mptcp: pm: rm the right tmp file
dpaa2-eth: properly handle buffer size restrictions
bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range
bpf: Restrict bpf_probe_read{, str}() only to archs where they work
MAINTAINERS: Mark networking drivers as Maintained.
ipmr: Add lockdep expression to ipmr_for_each_table macro
ipmr: Fix RCU list debugging warning
drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810
tcp: fix error recovery in tcp_zerocopy_receive()
MAINTAINERS: Add Jakub to networking drivers.
MAINTAINERS: another add of Karsten Graul for S390 networking
drivers: ipa: fix typos for ipa_smp2p structure doc
pppoe: only process PADT targeted at local interfaces
selftests/bpf: Enforce returning 0 for fentry/fexit programs
bpf: Enforce returning 0 for fentry/fexit progs
net: stmmac: fix num_por initialization
security: Fix the default value of secid_to_secctx hook
libbpf: Fix register naming in PT_REGS s390 macros
...
There are 4 IRQ documentation files under Documentation/*.txt.
Move them into a new directory (core-api/irq) and add a new
index file for it.
While here, use a title markup for the Debugging section of the
irq-domain.rst file.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/2da7485c3718e1442e6b4c2dd66857b776e8899b.1588345503.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add Qii Wang as maintainer for mediatek i2c controller driver.
Signed-off-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Complete adding of Karsten as maintainer for all S390 networking
parts in the kernel.
Cc: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Karsten as additional maintainer for drivers/s390/net .
One of his focal points is the ism driver.
Cc: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
big-endian arches, a spammy log message and a couple error paths.
Also included a MAINTAINERS update.
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Merge tag 'ceph-for-5.7-rc5' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Fixes for an endianness handling bug that prevented mounts on
big-endian arches, a spammy log message and a couple error paths.
Also included a MAINTAINERS update"
* tag 'ceph-for-5.7-rc5' of git://github.com/ceph/ceph-client:
ceph: demote quotarealm lookup warning to a debug message
MAINTAINERS: remove myself as ceph co-maintainer
ceph: fix double unlock in handle_cap_export()
ceph: fix special error code in ceph_try_get_caps()
ceph: fix endianness bug when handling MDS session feature bits
Here are some small driver fixes for 5.7-rc5 that resolve a number of
minor reported issues:
- mhi bus driver fixes found as people actually use the code
- phy driver fixes and compat string additions
- most driver fix due to link order changing when the core moved
out of staging
- mei driver fix
- interconnect build warning fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 5.7-rc5 that resolve a number of
minor reported issues:
- mhi bus driver fixes found as people actually use the code
- phy driver fixes and compat string additions
- most driver fix due to link order changing when the core moved out
of staging
- mei driver fix
- interconnect build warning fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
bus: mhi: core: Fix channel device name conflict
bus: mhi: core: Fix typo in comment
bus: mhi: core: Offload register accesses to the controller
bus: mhi: core: Remove link_status() callback
bus: mhi: core: Make sure to powerdown if mhi_sync_power_up fails
bus: mhi: Fix parsing of mhi_flags
mei: me: disable mei interface on LBG servers.
phy: qualcomm: usb-hs-28nm: Prepare clocks in init
MAINTAINERS: Add Vinod Koul as Generic PHY co-maintainer
interconnect: qcom: Move the static keyword to the front of declaration
most: core: use function subsys_initcall()
bus: mhi: core: Fix a NULL vs IS_ERR check in mhi_create_devices()
phy: qcom-qusb2: Re add "qcom,sdm845-qusb2-phy" compat string
phy: tegra: Select USB_COMMON for usb_get_maximum_speed()
Here are 3 small driver fixes for 5.7-rc5.
Two of these are documentation fixes:
- MAINTAINERS update due to removed driver
- removing Wolfram from the ks7010 driver TODO file
The other patch is a real fix:
- fix gasket driver to proper check the return value of a call
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are three small driver fixes for 5.7-rc5.
Two of these are documentation fixes:
- MAINTAINERS update due to removed driver
- removing Wolfram from the ks7010 driver TODO file
The other patch is a real fix:
- fix gasket driver to proper check the return value of a call
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: gasket: Check the return value of gasket_get_bar_index()
staging: ks7010: remove me from CC list
MAINTAINERS: remove entry after hp100 driver removal
Pull networking fixes from David Miller:
1) Fix reference count leaks in various parts of batman-adv, from Xiyu
Yang.
2) Update NAT checksum even when it is zero, from Guillaume Nault.
3) sk_psock reference count leak in tls code, also from Xiyu Yang.
4) Sanity check TCA_FQ_CODEL_DROP_BATCH_SIZE netlink attribute in
fq_codel, from Eric Dumazet.
5) Fix panic in choke_reset(), also from Eric Dumazet.
6) Fix VLAN accel handling in bnxt_fix_features(), from Michael Chan.
7) Disallow out of range quantum values in sch_sfq, from Eric Dumazet.
8) Fix crash in x25_disconnect(), from Yue Haibing.
9) Don't pass pointer to local variable back to the caller in
nf_osf_hdr_ctx_init(), from Arnd Bergmann.
10) Wireguard should use the ECN decap helper functions, from Toke
Høiland-Jørgensen.
11) Fix command entry leak in mlx5 driver, from Moshe Shemesh.
12) Fix uninitialized variable access in mptcp's
subflow_syn_recv_sock(), from Paolo Abeni.
13) Fix unnecessary out-of-order ingress frame ordering in macsec, from
Scott Dial.
14) IPv6 needs to use a global serial number for dst validation just
like ipv4, from David Ahern.
15) Fix up PTP_1588_CLOCK deps, from Clay McClure.
16) Missing NLM_F_MULTI flag in gtp driver netlink messages, from
Yoshiyuki Kurauchi.
17) Fix a regression in that dsa user port errors should not be fatal,
from Florian Fainelli.
18) Fix iomap leak in enetc driver, from Dejin Zheng.
19) Fix use after free in lec_arp_clear_vccs(), from Cong Wang.
20) Initialize protocol value earlier in neigh code paths when
generating events, from Roman Mashak.
21) netdev_update_features() must be called with RTNL mutex in macsec
driver, from Antoine Tenart.
22) Validate untrusted GSO packets even more strictly, from Willem de
Bruijn.
23) Wireguard decrypt worker needs a cond_resched(), from Jason
Donenfeld.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (111 commits)
net: flow_offload: skip hw stats check for FLOW_ACTION_HW_STATS_DONT_CARE
MAINTAINERS: put DYNAMIC INTERRUPT MODERATION in proper order
wireguard: send/receive: use explicit unlikely branch instead of implicit coalescing
wireguard: selftests: initalize ipv6 members to NULL to squelch clang warning
wireguard: send/receive: cond_resched() when processing worker ringbuffers
wireguard: socket: remove errant restriction on looping to self
wireguard: selftests: use normal kernel stack size on ppc64
net: ethernet: ti: am65-cpsw-nuss: fix irqs type
ionic: Use debugfs_create_bool() to export bool
net: dsa: Do not leave DSA master with NULL netdev_ops
net: dsa: remove duplicate assignment in dsa_slave_add_cls_matchall_mirred
net: stricter validation of untrusted gso packets
seg6: fix SRH processing to comply with RFC8754
net: mscc: ocelot: ANA_AUTOAGE_AGE_PERIOD holds a value in seconds, not ms
net: dsa: ocelot: the MAC table on Felix is twice as large
net: dsa: sja1105: the PTP_CLK extts input reacts on both edges
selftests: net: tcp_mmap: fix SO_RCVLOWAT setting
net: hsr: fix incorrect type usage for protocol variable
net: macsec: fix rtnl locking issue
net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
...
Commit 9b038086f0 ("docs: networking: convert DIM to RST") added a new
file entry to DYNAMIC INTERRUPT MODERATION to the end, and not following
alphabetical order.
So, ./scripts/checkpatch.pl -f MAINTAINERS complains:
WARNING: Misordered MAINTAINERS entry - list file patterns in alphabetic
order
#5966: FILE: MAINTAINERS:5966:
+F: lib/dim/
+F: Documentation/networking/net_dim.rst
Reorder the file entries to keep MAINTAINERS nicely ordered.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
asm/resctrl_sched.h is dedicated to the code used for configuration
of the CPU resource control state when a task is scheduled.
Rename resctrl_sched.h to resctrl.h in preparation of additions that
will no longer make this file dedicated to work done during scheduling.
No functional change.
Suggested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/6914e0ef880b539a82a6d889f9423496d471ad1d.1588715690.git.reinette.chatre@intel.com
This document has its own style. It seems to be print output
for the old matrixial printers where backspace were used to
do double prints.
For the conversion, I used several regex expressions to get
rid of some weird stuff. The patch also does almost all possible
conversions in order to get a nice output document, while keeping
it readable/editable as is:
- Add a SPDX header;
- Add a document title;
- Adjust document title;
- Adjust section titles;
- Some whitespace fixes and new line breaks;
- Mark literal blocks as such;
- Adjust list markups;
- Mark some unumbered titles with bold font;
- Use footnoote markups;
- Add table markups;
- Use notes markups;
- Add it to filesystems/index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/25c06c40c3d7b947a131c3be124ce0e93cc00ae3.1588021877.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The old email is still active, but for easier handling, I am going to
use my kernel.org address from now on. Also, add a mailmap for the now
defunct Pengutronix address.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
