- Update the ACPICA code in the kernel to upstream revision 20190703
including:
* Initial/defalut namespace creation simplification (Bob Moore).
* Object initialization sequence update (Bob Moore).
* Removal of legacy module-level (dead) code (Erik Schmauss).
* Table load object initialization update (Erik Schmauss, Nikolaus
Voss).
- Fix GPE enabling issue in ACPICA causing premature wakeups from
suspend-to-idle to occur (Rafael Wysocki).
- Allow ACPI AC and battery drivers to be built on non-X86 (Ard
Biesheuvel).
- Fix address space handler removal in the ACPI PMIC driver for
Intel platforms (Andy Shevchenko).
- Allow BGRT to be overridden via initrd or configfs (Andrea Oliveri).
- Fix object resolution on table loads via configfs (Nikolaus Voss).
- Clean up assorted pieces of ACPI code and tools (Colin Ian King,
Liguang Zhang, Masahiro Yamada).
- Fix documentation build warning, convert the extcon document to
ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
Qian Cai).
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Merge tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20190703, fix up the handling of GPEs in ACPICA, allow some more ACPI
code to be built on ARM64 platforms, allow BGRT to be overridden, fix
minor issues and clean up assorted pieces of ACPI code.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20190703
including:
- Initial/default namespace creation simplification (Bob Moore).
- Object initialization sequence update (Bob Moore).
- Removal of legacy module-level (dead) code (Erik Schmauss).
- Table load object initialization update (Erik Schmauss,
Nikolaus Voss).
- Fix GPE enabling issue in ACPICA causing premature wakeups from
suspend-to-idle to occur (Rafael Wysocki).
- Allow ACPI AC and battery drivers to be built on non-X86 (Ard
Biesheuvel).
- Fix address space handler removal in the ACPI PMIC driver for Intel
platforms (Andy Shevchenko).
- Allow BGRT to be overridden via initrd or configfs (Andrea
Oliveri).
- Fix object resolution on table loads via configfs (Nikolaus Voss).
- Clean up assorted pieces of ACPI code and tools (Colin Ian King,
Liguang Zhang, Masahiro Yamada).
- Fix documentation build warning, convert the extcon document to
ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
Qian Cai)"
* tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / APEI: Remove needless __ghes_check_estatus() calls
ACPICA: Update version to 20190703
ACPICA: Update table load object initialization
ACPICA: Update for object initialization sequence
ACPICA: remove legacy module-level code due to deprecation
ACPICA: Namespace: simplify creation of the initial/default namespace
ACPI / PMIC: intel: Drop double removal of address space handler
ACPI: APD: remove redundant assignment to pointer clk
docs: extcon: convert it to ReST and move to ACPI dir
ACPI: Make AC and battery drivers available on !X86
ACPICA: Clear status of GPEs on first direct enable
ACPI: configfs: Resolve objects on host-directed table loads
ACPI: tables: Allow BGRT to be overridden
ACPI: OSL: Make a W=1 kernel-doc warning go away
ACPI: tools: Exclude tools/* from .gitignore patterns
- Improve the handling of shared ACPI power resources in the PCI
bus type layer (Mika Westerberg).
- Make the PCI layer take link delays required by the PCIe spec
into account as appropriate and avoid polling devices in D3cold
for PME (Mika Westerberg).
- Fix some corner case issues in ACPI device power management and
in the PCI bus type layer, optimiza and clean up the handling of
runtime-suspended PCI devices during system-wide transitions to
sleep states (Rafael Wysocki).
- Rework hibernation handling in the ACPI core and the PCI bus type
to resume runtime-suspended devices before hibernation (which
allows some functional problems to be avoided) and fix some ACPI
power management issues related to hiberation (Rafael Wysocki).
- Extend the operating performance points (OPP) framework to support
a wider range of devices (Rajendra Nayak, Stehpen Boyd).
- Fix issues related to genpd_virt_devs and issues with platforms
using the set_opp() callback in the OPP framework (Viresh Kumar,
Dmitry Osipenko).
- Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).
- Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).
- Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210,
and armada-37xx cpufreq drivers (David Arcari, Florian Fainelli,
Paweł Chmiel, YueHaibing).
- Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).
- Fix minor issue in the ACPI system sleep support code and export
one function from it (Lenny Szubowicz, Dexuan Cui).
- Clean up assorted pieces of PM code and documentation (Kefeng Wang,
Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).
- Update the pm-graph utility to v5.4 (Todd Brandt).
- Fix and clean up the cpupower utility (Abhishek Goel, Nick Black).
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Merge tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update PCI and ACPI power management (improved handling of ACPI
power resources and PCIe link delays, fixes related to corner cases,
hibernation handling rework), fix and extend the operating performance
points (OPP) framework, add new cpufreq drivers for Raspberry Pi and
imx8m chips, update some other cpufreq drivers, clean up assorted
pieces of PM code and documentation and update tools.
Specifics:
- Improve the handling of shared ACPI power resources in the PCI bus
type layer (Mika Westerberg).
- Make the PCI layer take link delays required by the PCIe spec into
account as appropriate and avoid polling devices in D3cold for PME
(Mika Westerberg).
- Fix some corner case issues in ACPI device power management and in
the PCI bus type layer, optimiza and clean up the handling of
runtime-suspended PCI devices during system-wide transitions to
sleep states (Rafael Wysocki).
- Rework hibernation handling in the ACPI core and the PCI bus type
to resume runtime-suspended devices before hibernation (which
allows some functional problems to be avoided) and fix some ACPI
power management issues related to hiberation (Rafael Wysocki).
- Extend the operating performance points (OPP) framework to support
a wider range of devices (Rajendra Nayak, Stehpen Boyd).
- Fix issues related to genpd_virt_devs and issues with platforms
using the set_opp() callback in the OPP framework (Viresh Kumar,
Dmitry Osipenko).
- Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).
- Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).
- Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210, and
armada-37xx cpufreq drivers (David Arcari, Florian Fainelli, Paweł
Chmiel, YueHaibing).
- Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).
- Fix minor issue in the ACPI system sleep support code and export
one function from it (Lenny Szubowicz, Dexuan Cui).
- Clean up assorted pieces of PM code and documentation (Kefeng Wang,
Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).
- Update the pm-graph utility to v5.4 (Todd Brandt).
- Fix and clean up the cpupower utility (Abhishek Goel, Nick Black)"
* tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (57 commits)
ACPI: PM: Make acpi_sleep_state_supported() non-static
PM: sleep: Drop dev_pm_skip_next_resume_phases()
ACPI: PM: Unexport acpi_device_get_power()
Documentation: ABI: power: Add missing newline at end of file
ACPI: PM: Drop unused function and function header
ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS
ACPI: PM: Simplify and fix PM domain hibernation callbacks
PCI: PM: Simplify bus-level hibernation callbacks
PM: ACPI/PCI: Resume all devices during hibernation
cpufreq: Avoid calling cpufreq_verify_current_freq() from handle_update()
cpufreq: Consolidate cpufreq_update_current_freq() and __cpufreq_get()
kernel: power: swap: use kzalloc() instead of kmalloc() followed by memset()
cpufreq: Don't skip frequency validation for has_target() drivers
PCI: PM/ACPI: Refresh all stale power state data in pci_pm_complete()
PCI / ACPI: Add _PR0 dependent devices
ACPI / PM: Introduce concept of a _PR0 dependent device
PCI / ACPI: Use cached ACPI device state to get PCI device power state
ACPI: PM: Allow transitions to D0 to occur in special cases
ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold
cpufreq: Use has_target() instead of !setpolicy
...
Many updates in this development cycle are found in ASoC where it got
a wide range of changes for the continued refactoring.
Some highlights are below.
ASoC:
* Continued refactoring work by Morimoto-san toward the full
componentization; the changes are seen allover the places
* Support for force disconnecting muxes in DAPM
* Continued development of ASoC Intel SOF stuff
* New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90,
Conexant CX2072X, Realtek RT1011 and RT1308
HD-audio:
* More fixes and adjustments for ASoC SOF HD-audio
* Fix for resume problem on some Realtek codecs
USB-audio:
* A few fixes for the issues reported by syzbot USB fuzzer
* Fix for UAC2 extension unit parser
* Quirks for Line6 Helix, Emgaic Unitor 8
FireWire:
* Lots of code refactoring and fixes in most of its components
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Merge tag 'sound-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Many updates in this development cycle are found in ASoC where it got
a wide range of changes for the continued refactoring.
Some highlights are below.
ASoC:
- Continued refactoring work by Morimoto-san toward the full
componentization; the changes are seen allover the places
- Support for force disconnecting muxes in DAPM
- Continued development of ASoC Intel SOF stuff
- New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
CX2072X, Realtek RT1011 and RT1308
HD-audio:
- More fixes and adjustments for ASoC SOF HD-audio
- Fix for resume problem on some Realtek codecs
USB-audio:
- A few fixes for the issues reported by syzbot USB fuzzer
- Fix for UAC2 extension unit parser
- Quirks for Line6 Helix, Emgaic Unitor 8
FireWire:
- Lots of code refactoring and fixes in most of its components"
* tag 'sound-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (626 commits)
ALSA: firewire-lib: code refactoring for local variables
ALSA: firewire-lib: code refactoring for post operation to data block counter
ALSA: firewire-lib: code refactoring for error path of parser for CIP header
ALSA: firewire-lib: fix different data block counter between probed event and transferred isochronous packet
ALSA: firewire-lib: fix initial value of data block count for IR context without CIP_DBC_IS_END_EVENT
ALSA: firewire-lib/fireface: fix initial value of data block counter for IR context with CIP_NO_HEADER
ALSA: firewire-lib: fix invalid length of rx packet payload for tracepoint events
ALSA: usb-audio: fix Line6 Helix audio format rates
firewire-motu: fix wrong reference count for stream functionality at error path of rawmidi interface
ALSA: firewire-digi00x: fix wrong reference count for stream functionality at error path of rawmidi interface
ALSA: dice: fix wrong reference count for stream functionality at error path of rawmidi interface
ALSA: oxfw: fix wrong reference count for stream functionality at error path of rawmidi interface
ALSA: fireworks: fix wrong reference count for stream functionality at error path of rawmidi interface
ALSA: bebob: fix wrong reference count for stream functionality at error path of rawmidi interface
ASoC: SOF: Intel: implement runtime idle for CNL/APL
ASoC: SOF: add runtime idle callback
ASoC: hdac_hdmi: report codec link up/down status to bus
ASoC: SOF: debug: fix possible memory leak in sof_dfsentry_write()
ASoC: sunxi: sun50i-codec-analog: Add earpiece
ASoC: rt5665: remove redundant assignment to variable idx
...
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Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new Atmel microship ISC driver
- coda has gained support for mpeg2 and mpeg4
- cxusb gained support for analog TV
- rockchip staging driver was split into two separate staging drivers
- added a new staging driver for Allegro DVT video IP core
- added a new staging driver for Amlogic Meson video decoder
- lots of improvements and cleanups
* tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits)
media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs
media: doc-rst: Fix typos
media: radio-raremono: change devm_k*alloc to k*alloc
media: stv0297: fix frequency range limit
media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes
media: dvb_frontend: split dvb_frontend_handle_ioctl function
media: mceusb: disable "nonsensical irdata" messages
media: rc: remove redundant dev_err message
media: cec-notifier: add new notifier functions
media: cec: add struct cec_connector_info support
media: cec-notifier: rename variables, check kstrdup and n->conn_name
media: MAINTAINERS: Add maintainers for Media Controller
media: staging: media: tegra-vde: Defer dmabuf's unmapping
media: staging: media: tegra-vde: Add IOMMU support
media: hdpvr: fix locking and a missing msleep
media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
media: atmel: atmel-isc: fix i386 build error
media: v4l2-ctrl: Move compound control initialization
media: hantro: Use vb2_get_buffer
media: pci: cx88: Change the type of 'missed' to u64
...
Including:
- Patches to make the dma-iommu code more generic so that it can
be used outside of the ARM context with other IOMMU drivers.
Goal is to make use of it on x86 too.
- Generic IOMMU domain support for the Intel VT-d driver. This
driver now makes more use of common IOMMU code to allocate
default domains for the devices it handles.
- An IOMMU fault reporting API to userspace. With that the IOMMU
fault handling can be done in user-space, for example to
forward the faults to a VM.
- Better handling for reserved regions requested by the
firmware. These can be 'relaxed' now, meaning that those don't
prevent a device being attached to a VM.
- Suspend/Resume support for the Renesas IOMMU driver.
- Added support for dumping SVA related fields of the DMAR table
in the Intel VT-d driver via debugfs.
- A pile of smaller fixes and cleanups.
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Merge tag 'iommu-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- Make the dma-iommu code more generic so that it can be used outside
of the ARM context with other IOMMU drivers. Goal is to make use of
it on x86 too.
- Generic IOMMU domain support for the Intel VT-d driver. This driver
now makes more use of common IOMMU code to allocate default domains
for the devices it handles.
- An IOMMU fault reporting API to userspace. With that the IOMMU fault
handling can be done in user-space, for example to forward the faults
to a VM.
- Better handling for reserved regions requested by the firmware. These
can be 'relaxed' now, meaning that those don't prevent a device being
attached to a VM.
- Suspend/Resume support for the Renesas IOMMU driver.
- Added support for dumping SVA related fields of the DMAR table in the
Intel VT-d driver via debugfs.
- A pile of smaller fixes and cleanups.
* tag 'iommu-updates-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (90 commits)
iommu/omap: No need to check return value of debugfs_create functions
iommu/arm-smmu-v3: Invalidate ATC when detaching a device
iommu/arm-smmu-v3: Fix compilation when CONFIG_CMA=n
iommu/vt-d: Cleanup unused variable
iommu/amd: Flush not present cache in iommu_map_page
iommu/amd: Only free resources once on init error
iommu/amd: Move gart fallback to amd_iommu_init
iommu/amd: Make iommu_disable safer
iommu/io-pgtable: Support non-coherent page tables
iommu/io-pgtable: Replace IO_PGTABLE_QUIRK_NO_DMA with specific flag
iommu/io-pgtable-arm: Add support to use system cache
iommu/arm-smmu-v3: Increase maximum size of queues
iommu/vt-d: Silence a variable set but not used
iommu/vt-d: Remove an unused variable "length"
iommu: Fix integer truncation
iommu: Add padding to struct iommu_fault
iommu/vt-d: Consolidate domain_init() to avoid duplication
iommu/vt-d: Cleanup after delegating DMA domain to generic iommu
iommu/vt-d: Fix suspicious RCU usage in probe_acpi_namespace_devices()
iommu/vt-d: Allow DMA domain attaching to rmrr locked device
...
For the most part this is a quiet release for SPI, though there's
several of the more widely used drivers that have had some fairly
substantial development done on them, mainly improving
performance and adding support for some more obscure use cases.
- Support for configuring a minimum time for chip select to be
deasserted between transfers from Martin Sperl.
- A rework of the ACPI device instantiation code from Ard
Biesheuvel.
- Fairly substantial development on the AT91 USART, BCM2835 and
Tegra114 drivers.
- New driver for Socionext SynQuacer.
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Merge tag 'spi-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"For the most part this is a quiet release for SPI, though there's
several of the more widely used drivers that have had some fairly
substantial development done on them, mainly improving performance and
adding support for some more obscure use cases.
Summary:
- Support for configuring a minimum time for chip select to be
deasserted between transfers from Martin Sperl.
- A rework of the ACPI device instantiation code from Ard Biesheuvel.
- Fairly substantial development on the AT91 USART, BCM2835 and
Tegra114 drivers.
- New driver for Socionext SynQuacer"
* tag 'spi-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (58 commits)
spi: pxa2xx: Add support for Intel Elkhart Lake
spi: atmel-quadspi: fix resume call
spi: atmel-quadspi: void return type for atmel_qspi_init()
spi: pxa2xx: Set minimum transfer speed
spi: stm32-qspi: remove signal sensitive on completion
dt-bindings: spi: stm32-qspi: add dma properties
spi: uniphier: fix zero-length transfer
spi: uniphier: fix timeout error
spi/acpi: avoid spurious matches during slave enumeration
spi: spi-stm32-qspi: Remove CR_FTHRES_MASK usage
spi: fix ctrl->num_chipselect constraint
spi: spi-synquacer: Fixed build on architectures missing readsl/writesl series
spi/acpi: fix incorrect ACPI parent check
spi: don't open code list_for_each_entry_safe_reverse()
spi: No need to assign dummy value in spi_unregister_controller()
spi: Add a prototype for exported spi_set_cs_timing()
spi/acpi: enumerate all SPI slaves in the namespace
spi: qup: fix PIO/DMA transfers.
spi: Use struct_size() helper
spi: mediatek: add SPI_LSB_FIRST support
...
A couple of new features in the core, the most interesting one
being support for complex regulator coupling configurations
initially targeted at nVidia Tegra SoCs, and some new drivers but
otherwise quite a quiet release.
- Core support for gradual ramping of voltages for devices that
can't manage large changes in hardware from Bartosz Golaszewski.
- Core support for systems that have complex coupling requirements
best described via code, contributed by Dmitry Osipenko.
- New drivers for Dialog SLG51000, Qualcomm PM8005 and ST
Microelectronics STM32-Booster.
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Merge tag 'regulator-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A couple of new features in the core, the most interesting one being
support for complex regulator coupling configurations initially
targeted at nVidia Tegra SoCs, and some new drivers but otherwise
quite a quiet release.
Summary:
- Core support for gradual ramping of voltages for devices that can't
manage large changes in hardware from Bartosz Golaszewski.
- Core support for systems that have complex coupling requirements
best described via code, contributed by Dmitry Osipenko.
- New drivers for Dialog SLG51000, Qualcomm PM8005 and ST
Microelectronics STM32-Booster"
* tag 'regulator-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (52 commits)
regulator: max77650: use vsel_step
regulator: implement selector stepping
regulator: max77650: add MODULE_ALIAS()
regulator: max77620: remove redundant assignment to variable ret
dt-bindings: regulator: add support for the stm32-booster
regulator: add support for the stm32-booster
regulator: s2mps11: Adjust supported buck voltages to real values
regulator: s2mps11: Fix buck7 and buck8 wrong voltages
gpio: Fix return value mismatch of function gpiod_get_from_of_node()
regulator: core: Expose some of core functions needed by couplers
regulator: core: Introduce API for regulators coupling customization
regulator: s2mps11: Add support for disabling S2MPS11 regulators in suspend
regulator: s2mps11: Reduce number of rdev_get_id() calls
regulator: qcom_spmi: Do NULL check for lvs
regulator: qcom_spmi: Fix math of spmi_regulator_set_voltage_time_sel
regulator: da9061/62: Adjust LDO voltage selection minimum value
regulator: s2mps11: Fix ERR_PTR dereference on GPIO lookup failure
regulator: qcom_spmi: add PMS405 SPMI regulator
dt-bindings: qcom_spmi: Document pms405 support
arm64: dts: msm8998-mtp: Add pm8005_s1 regulator
...
Core:
- When a gpio_chip request GPIOs from itself, it can now fully
control the line characteristics, both machine and consumer
flags. This makes a lot of sense, but took some time before I
figured out that this is how it has to work.
- Several smallish documentation fixes.
New drivers:
- The PCA953x driver now supports the TI TCA9539.
- The DaVinci driver now supports the K3 AM654 SoCs.
Driver improvements:
- Major overhaul and hardening of the OMAP driver by Russell
King.
- Starting to move some drivers to the new API passing irq_chip
along with the gpio_chip when adding the gpio_chip instead
of adding it separately.
Unrelated:
- Delete the FMC subsystem.
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Merge tag 'gpio-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the big slew of GPIO changes for the v5.3 kernel cycle. This
is mostly incremental work this time.
Three important things:
- The FMC subsystem is deleted through my tree. This happens through
GPIO as its demise was discussed in relation to a patch decoupling
its GPIO implementation from the standard way of handling GPIO. As
it turns out, that is not the only subsystem it reimplements and
the authors think it is better do scratch it and start over using
the proper kernel subsystems than try to polish the rust shiny. See
the commit (ACKed by the maintainers) for details.
- Arnd made a small devres patch that was ACKed by Greg and goes into
the device core.
- SPDX header change colissions may happen, because at times I've
seen that quite a lot changed during the -rc:s in regards to SPDX.
(It is good stuff, tglx has me convinced, and it is worth the
occasional pain.)
Apart from this is is nothing controversial or problematic.
Summary:
Core:
- When a gpio_chip request GPIOs from itself, it can now fully
control the line characteristics, both machine and consumer flags.
This makes a lot of sense, but took some time before I figured out
that this is how it has to work.
- Several smallish documentation fixes.
New drivers:
- The PCA953x driver now supports the TI TCA9539.
- The DaVinci driver now supports the K3 AM654 SoCs.
Driver improvements:
- Major overhaul and hardening of the OMAP driver by Russell King.
- Starting to move some drivers to the new API passing irq_chip along
with the gpio_chip when adding the gpio_chip instead of adding it
separately.
Unrelated:
- Delete the FMC subsystem"
* tag 'gpio-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
Revert "gpio: tegra: Clean-up debugfs initialisation"
gpiolib: Use spinlock_t instead of struct spinlock
gpio: stp-xway: allow compile-testing
gpio: stp-xway: get rid of the #include <lantiq_soc.h> dependency
gpio: stp-xway: improve module clock error handling
gpio: stp-xway: simplify error handling in xway_stp_probe()
gpiolib: Clarify use of non-sleeping functions
gpiolib: Fix references to gpiod_[gs]et_*value_cansleep() variants
gpiolib: Document new gpio_chip.init_valid_mask field
Documentation: gpio: Fix reference to gpiod_get_array()
gpio: pl061: drop duplicate printing of device name
gpio: altera: Pass irqchip when adding gpiochip
gpio: siox: Use devm_ managed gpiochip
gpio: siox: Add struct device *dev helper variable
gpio: siox: Pass irqchip when adding gpiochip
drivers: gpio: amd-fch: make resource struct const
devres: allow const resource arguments
gpio: ath79: Pass irqchip when adding gpiochip
gpio: tegra: Clean-up debugfs initialisation
gpio: siox: Switch to IRQ_TYPE_NONE
...
* Add support for limited bus mode
* Fix the Cadence DT binding doc
* Use struct_size() to allocate a DEFSLVS packet
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Merge tag 'i3c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull ic3 updates from Boris Brezillon:
- Drop support for 10-bit I2C addresses
- Add support for limited bus mode
- Fix the Cadence DT binding doc
- Use struct_size() to allocate a DEFSLVS packet
* tag 'i3c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: Use struct_size() helper
dt-bindings: i3c: cdns: Use correct cells for I2C device
i3c: dw: add limited bus mode support
i3c: add mixed limited bus mode
i3c: fix i2c and i3c scl rate by bus mode
dt-bindings: i3c: Document dropped support for I2C 10 bit devices
i3c: Drop support for I2C 10 bit addresing
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Merge tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- Add a new LED common module for ti-lmu driver family
- Modify MFD ti-lmu bindings
- add ti,brightness-resolution
- add the ramp up/down property
- Add regulator support for LM36274 driver to lm363x-regulator.c
- New LED class drivers with DT bindings:
- leds-spi-byte
- leds-lm36274
- leds-lm3697 (move the support from MFD to LED subsystem)
- Simplify getting the I2C adapter of a client:
- leds-tca6507
- leds-pca955x
- Convert LED documentation to ReST
* tag 'leds-for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
dt: leds-lm36274.txt: fix a broken reference to ti-lmu.txt
docs: leds: convert to ReST
leds: leds-tca6507: simplify getting the adapter of a client
leds: leds-pca955x: simplify getting the adapter of a client
leds: lm36274: Introduce the TI LM36274 LED driver
dt-bindings: leds: Add LED bindings for the LM36274
regulator: lm363x: Add support for LM36274
mfd: ti-lmu: Add LM36274 support to the ti-lmu
dt-bindings: mfd: Add lm36274 bindings to ti-lmu
leds: max77650: Remove set but not used variable 'parent'
leds: avoid flush_work in atomic context
leds: lm3697: Introduce the lm3697 driver
mfd: ti-lmu: Remove support for LM3697
dt-bindings: ti-lmu: Modify dt bindings for the LM3697
leds: TI LMU: Add common code for TI LMU devices
leds: spi-byte: add single byte SPI LED driver
dt-bindings: leds: Add binding for spi-byte LED.
dt-bindings: mfd: LMU: Add ti,brightness-resolution
dt-bindings: mfd: LMU: Add the ramp up/down property
This set of changes contains a new driver for SiFive SoCs as well as
enhancements to the core (device links are used to track dependencies
between PWM providers and consumers, support for PWM controllers via
ACPI, sysfs will now suspend/resume PWMs that it has claimed) and
various existing drivers.
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Merge tag 'pwm/for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set of changes contains a new driver for SiFive SoCs as well as
enhancements to the core (device links are used to track dependencies
between PWM providers and consumers, support for PWM controllers via
ACPI, sysfs will now suspend/resume PWMs that it has claimed) and
various existing drivers"
* tag 'pwm/for-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (37 commits)
pwm: fsl-ftm: Make sure to unlock mutex on failure
pwm: fsl-ftm: Use write protection for prescaler & polarity
pwm: fsl-ftm: More relaxed permissions for updating period
pwm: atmel-hlcdc: Add compatible for SAM9X60 HLCDC's PWM
pwm: bcm2835: Improve precision of PWM
leds: pwm: Support ACPI via firmware-node framework
pwm: Add support referencing PWMs from ACPI
pwm: rcar: Remove suspend/resume support
pwm: sysfs: Add suspend/resume support
pwm: Add power management descriptions
pwm: meson: Add documentation to the driver
pwm: meson: Add support PWM_POLARITY_INVERSED when disabling
pwm: meson: Don't cache struct pwm_state internally
pwm: meson: Read the full hardware state in meson_pwm_get_state()
pwm: meson: Simplify the calculation of the pre-divider and count
pwm: meson: Move pwm_set_chip_data() to meson_pwm_request()
pwm: meson: Add the per-channel register offsets and bits in a struct
pwm: meson: Add the meson_pwm_channel data to struct meson_pwm
pwm: meson: Pass struct pwm_device to meson_pwm_calc()
pwm: meson: Don't duplicate the polarity internally
...
Pull cgroup updates from Tejun Heo:
"Documentation updates and the addition of cgroup_parse_float() which
will be used by new controllers including blk-iocost"
* 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
docs: cgroup-v1: convert docs to ReST and rename to *.rst
cgroup: Move cgroup_parse_float() implementation out of CONFIG_SYSFS
cgroup: add cgroup_parse_float()
Pull crypto updates from Herbert Xu:
"Here is the crypto update for 5.3:
API:
- Test shash interface directly in testmgr
- cra_driver_name is now mandatory
Algorithms:
- Replace arc4 crypto_cipher with library helper
- Implement 5 way interleave for ECB, CBC and CTR on arm64
- Add xxhash
- Add continuous self-test on noise source to drbg
- Update jitter RNG
Drivers:
- Add support for SHA204A random number generator
- Add support for 7211 in iproc-rng200
- Fix fuzz test failures in inside-secure
- Fix fuzz test failures in talitos
- Fix fuzz test failures in qat"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (143 commits)
crypto: stm32/hash - remove interruptible condition for dma
crypto: stm32/hash - Fix hmac issue more than 256 bytes
crypto: stm32/crc32 - rename driver file
crypto: amcc - remove memset after dma_alloc_coherent
crypto: ccp - Switch to SPDX license identifiers
crypto: ccp - Validate the the error value used to index error messages
crypto: doc - Fix formatting of new crypto engine content
crypto: doc - Add parameter documentation
crypto: arm64/aes-ce - implement 5 way interleave for ECB, CBC and CTR
crypto: arm64/aes-ce - add 5 way interleave routines
crypto: talitos - drop icv_ool
crypto: talitos - fix hash on SEC1.
crypto: talitos - move struct talitos_edesc into talitos.h
lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
crypto/NX: Set receive window credits to max number of CRBs in RxFIFO
crypto: asymmetric_keys - select CRYPTO_HASH where needed
crypto: serpent - mark __serpent_setkey_sbox noinline
crypto: testmgr - dynamically allocate crypto_shash
crypto: testmgr - dynamically allocate testvec_config
crypto: talitos - eliminate unneeded 'done' functions at build time
...
Pull integrity updates from Mimi Zohar:
"Bug fixes, code clean up, and new features:
- IMA policy rules can be defined in terms of LSM labels, making the
IMA policy dependent on LSM policy label changes, in particular LSM
label deletions. The new environment, in which IMA-appraisal is
being used, frequently updates the LSM policy and permits LSM label
deletions.
- Prevent an mmap'ed shared file opened for write from also being
mmap'ed execute. In the long term, making this and other similar
changes at the VFS layer would be preferable.
- The IMA per policy rule template format support is needed for a
couple of new/proposed features (eg. kexec boot command line
measurement, appended signatures, and VFS provided file hashes).
- Other than the "boot-aggregate" record in the IMA measuremeent
list, all other measurements are of file data. Measuring and
storing the kexec boot command line in the IMA measurement list is
the first buffer based measurement included in the measurement
list"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
integrity: Introduce struct evm_xattr
ima: Update MAX_TEMPLATE_NAME_LEN to fit largest reasonable definition
KEXEC: Call ima_kexec_cmdline to measure the boot command line args
IMA: Define a new template field buf
IMA: Define a new hook to measure the kexec boot command line arguments
IMA: support for per policy rule template formats
integrity: Fix __integrity_init_keyring() section mismatch
ima: Use designated initializers for struct ima_event_data
ima: use the lsm policy update notifier
LSM: switch to blocking policy update notifiers
x86/ima: fix the Kconfig dependency for IMA_ARCH_POLICY
ima: Make arch_policy_entry static
ima: prevent a file already mmap'ed write to be mmap'ed execute
x86/ima: check EFI SetupMode too
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Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyring ACL support from David Howells:
"This changes the permissions model used by keys and keyrings to be
based on an internal ACL by the following means:
- Replace the permissions mask internally with an ACL that contains a
list of ACEs, each with a specific subject with a permissions mask.
Potted default ACLs are available for new keys and keyrings.
ACE subjects can be macroised to indicate the UID and GID specified
on the key (which remain). Future commits will be able to add
additional subject types, such as specific UIDs or domain
tags/namespaces.
Also split a number of permissions to give finer control. Examples
include splitting the revocation permit from the change-attributes
permit, thereby allowing someone to be granted permission to revoke
a key without allowing them to change the owner; also the ability
to join a keyring is split from the ability to link to it, thereby
stopping a process accessing a keyring by joining it and thus
acquiring use of possessor permits.
- Provide a keyctl to allow the granting or denial of one or more
permits to a specific subject. Direct access to the ACL is not
granted, and the ACL cannot be viewed"
* tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Provide KEYCTL_GRANT_PERMISSION
keys: Replace uid/gid/perm permissions checking with an ACL
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Merge tag 'keys-namespace-20190627' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyring namespacing from David Howells:
"These patches help make keys and keyrings more namespace aware.
Firstly some miscellaneous patches to make the process easier:
- Simplify key index_key handling so that the word-sized chunks
assoc_array requires don't have to be shifted about, making it
easier to add more bits into the key.
- Cache the hash value in the key so that we don't have to calculate
on every key we examine during a search (it involves a bunch of
multiplications).
- Allow keying_search() to search non-recursively.
Then the main patches:
- Make it so that keyring names are per-user_namespace from the point
of view of KEYCTL_JOIN_SESSION_KEYRING so that they're not
accessible cross-user_namespace.
keyctl_capabilities() shows KEYCTL_CAPS1_NS_KEYRING_NAME for this.
- Move the user and user-session keyrings to the user_namespace
rather than the user_struct. This prevents them propagating
directly across user_namespaces boundaries (ie. the KEY_SPEC_*
flags will only pick from the current user_namespace).
- Make it possible to include the target namespace in which the key
shall operate in the index_key. This will allow the possibility of
multiple keys with the same description, but different target
domains to be held in the same keyring.
keyctl_capabilities() shows KEYCTL_CAPS1_NS_KEY_TAG for this.
- Make it so that keys are implicitly invalidated by removal of a
domain tag, causing them to be garbage collected.
- Institute a network namespace domain tag that allows keys to be
differentiated by the network namespace in which they operate. New
keys that are of a type marked 'KEY_TYPE_NET_DOMAIN' are assigned
the network domain in force when they are created.
- Make it so that the desired network namespace can be handed down
into the request_key() mechanism. This allows AFS, NFS, etc. to
request keys specific to the network namespace of the superblock.
This also means that the keys in the DNS record cache are
thenceforth namespaced, provided network filesystems pass the
appropriate network namespace down into dns_query().
For DNS, AFS and NFS are good, whilst CIFS and Ceph are not. Other
cache keyrings, such as idmapper keyrings, also need to set the
domain tag - for which they need access to the network namespace of
the superblock"
* tag 'keys-namespace-20190627' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Pass the network namespace into request_key mechanism
keys: Network namespace domain tag
keys: Garbage collect keys for which the domain has been removed
keys: Include target namespace in match criteria
keys: Move the user and user-session keyrings to the user_namespace
keys: Namespace keyring names
keys: Add a 'recurse' flag for keyring searches
keys: Cache the hash value to avoid lots of recalculation
keys: Simplify key description management
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Merge tag 'keys-request-20190626' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull request_key improvements from David Howells:
"These are all request_key()-related, including a fix and some improvements:
- Fix the lack of a Link permission check on a key found by
request_key(), thereby enabling request_key() to link keys that
don't grant this permission to the target keyring (which must still
grant Write permission).
Note that the key must be in the caller's keyrings already to be
found.
- Invalidate used request_key authentication keys rather than
revoking them, so that they get cleaned up immediately rather than
hanging around till the expiry time is passed.
- Move the RCU locks outwards from the keyring search functions so
that a request_key_rcu() can be provided. This can be called in RCU
mode, so it can't sleep and can't upcall - but it can be called
from LOOKUP_RCU pathwalk mode.
- Cache the latest positive result of request_key*() temporarily in
task_struct so that filesystems that make a lot of request_key()
calls during pathwalk can take advantage of it to avoid having to
redo the searching. This requires CONFIG_KEYS_REQUEST_CACHE=y.
It is assumed that the key just found is likely to be used multiple
times in each step in an RCU pathwalk, and is likely to be reused
for the next step too.
Note that the cleanup of the cache is done on TIF_NOTIFY_RESUME,
just before userspace resumes, and on exit"
* tag 'keys-request-20190626' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Kill off request_key_async{,_with_auxdata}
keys: Cache result of request_key*() temporarily in task_struct
keys: Provide request_key_rcu()
keys: Move the RCU locks outwards from the keyring search functions
keys: Invalidate used request_key authentication keys
keys: Fix request_key() lack of Link perm check on found key
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Merge tag 'keys-misc-20190619' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull misc keyring updates from David Howells:
"These are some miscellaneous keyrings fixes and improvements:
- Fix a bunch of warnings from sparse, including missing RCU bits and
kdoc-function argument mismatches
- Implement a keyctl to allow a key to be moved from one keyring to
another, with the option of prohibiting key replacement in the
destination keyring.
- Grant Link permission to possessors of request_key_auth tokens so
that upcall servicing daemons can more easily arrange things such
that only the necessary auth key is passed to the actual service
program, and not all the auth keys a daemon might possesss.
- Improvement in lookup_user_key().
- Implement a keyctl to allow keyrings subsystem capabilities to be
queried.
The keyutils next branch has commits to make available, document and
test the move-key and capabilities code:
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git/log
They're currently on the 'next' branch"
* tag 'keys-misc-20190619' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Add capability-checking keyctl function
keys: Reuse keyring_index_key::desc_len in lookup_user_key()
keys: Grant Link permission to possessers of request_key auth keys
keys: Add a keyctl to move a key between keyrings
keys: Hoist locking out of __key_link_begin()
keys: Break bits out of key_unlink()
keys: Change keyring_serialise_link_sem to a mutex
keys: sparse: Fix kdoc mismatches
keys: sparse: Fix incorrect RCU accesses
keys: sparse: Fix key_fs[ug]id_changed()
Pull x86 topology updates from Ingo Molnar:
"Implement multi-die topology support on Intel CPUs and expose the die
topology to user-space tooling, by Len Brown, Kan Liang and Zhang Rui.
These changes should have no effect on the kernel's existing
understanding of topologies, i.e. there should be no behavioral impact
on cache, NUMA, scheduler, perf and other topologies and overall
system performance"
* 'x86-topology-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/rapl: Cosmetic rename internal variables in response to multi-die/pkg support
perf/x86/intel/uncore: Cosmetic renames in response to multi-die/pkg support
hwmon/coretemp: Cosmetic: Rename internal variables to zones from packages
thermal/x86_pkg_temp_thermal: Cosmetic: Rename internal variables to zones from packages
perf/x86/intel/cstate: Support multi-die/package
perf/x86/intel/rapl: Support multi-die/package
perf/x86/intel/uncore: Support multi-die/package
topology: Create core_cpus and die_cpus sysfs attributes
topology: Create package_cpus sysfs attribute
hwmon/coretemp: Support multi-die/package
powercap/intel_rapl: Update RAPL domain name and debug messages
thermal/x86_pkg_temp_thermal: Support multi-die/package
powercap/intel_rapl: Support multi-die/package
powercap/intel_rapl: Simplify rapl_find_package()
x86/topology: Define topology_logical_die_id()
x86/topology: Define topology_die_id()
cpu/topology: Export die_id
x86/topology: Create topology_max_die_per_package()
x86/topology: Add CPUID.1F multi-die/package support
Pull x86 AVX512 status update from Ingo Molnar:
"This adds a new ABI that the main scheduler probably doesn't want to
deal with but HPC job schedulers might want to use: the
AVX512_elapsed_ms field in the new /proc/<pid>/arch_status task status
file, which allows the user-space job scheduler to cluster such tasks,
to avoid turbo frequency drops"
* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/filesystems/proc.txt: Add arch_status file
x86/process: Add AVX-512 usage elapsed time to /proc/pid/arch_status
proc: Add /proc/<pid>/arch_status
Pull x86 asm updates from Ingo Molnar:
"Most of the changes relate to Peter Zijlstra's cleanup of ptregs
handling, in particular the i386 part is now much simplified and
standardized - no more partial ptregs stack frames via the esp/ss
oddity. This simplifies ftrace, kprobes, the unwinder, ptrace, kdump
and kgdb.
There's also a CR4 hardening enhancements by Kees Cook, to make the
generic platform functions such as native_write_cr4() less useful as
ROP gadgets that disable SMEP/SMAP. Also protect the WP bit of CR0
against similar attacks.
The rest is smaller cleanups/fixes"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives: Add int3_emulate_call() selftest
x86/stackframe/32: Allow int3_emulate_push()
x86/stackframe/32: Provide consistent pt_regs
x86/stackframe, x86/ftrace: Add pt_regs frame annotations
x86/stackframe, x86/kprobes: Fix frame pointer annotations
x86/stackframe: Move ENCODE_FRAME_POINTER to asm/frame.h
x86/entry/32: Clean up return from interrupt preemption path
x86/asm: Pin sensitive CR0 bits
x86/asm: Pin sensitive CR4 bits
Documentation/x86: Fix path to entry_32.S
x86/asm: Remove unused TASK_TI_flags from asm-offsets.c
Pull scheduler updates from Ingo Molnar:
- Remove the unused per rq load array and all its infrastructure, by
Dietmar Eggemann.
- Add utilization clamping support by Patrick Bellasi. This is a
refinement of the energy aware scheduling framework with support for
boosting of interactive and capping of background workloads: to make
sure critical GUI threads get maximum frequency ASAP, and to make
sure background processing doesn't unnecessarily move to cpufreq
governor to higher frequencies and less energy efficient CPU modes.
- Add the bare minimum of tracepoints required for LISA EAS regression
testing, by Qais Yousef - which allows automated testing of various
power management features, including energy aware scheduling.
- Restructure the former tsk_nr_cpus_allowed() facility that the -rt
kernel used to modify the scheduler's CPU affinity logic such as
migrate_disable() - introduce the task->cpus_ptr value instead of
taking the address of &task->cpus_allowed directly - by Sebastian
Andrzej Siewior.
- Misc optimizations, fixes, cleanups and small enhancements - see the
Git log for details.
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
sched/uclamp: Add uclamp support to energy_compute()
sched/uclamp: Add uclamp_util_with()
sched/cpufreq, sched/uclamp: Add clamps for FAIR and RT tasks
sched/uclamp: Set default clamps for RT tasks
sched/uclamp: Reset uclamp values on RESET_ON_FORK
sched/uclamp: Extend sched_setattr() to support utilization clamping
sched/core: Allow sched_setattr() to use the current policy
sched/uclamp: Add system default clamps
sched/uclamp: Enforce last task's UCLAMP_MAX
sched/uclamp: Add bucket local max tracking
sched/uclamp: Add CPU's clamp buckets refcounting
sched/fair: Rename weighted_cpuload() to cpu_runnable_load()
sched/debug: Export the newly added tracepoints
sched/debug: Add sched_overutilized tracepoint
sched/debug: Add new tracepoint to track PELT at se level
sched/debug: Add new tracepoints to track PELT at rq level
sched/debug: Add a new sched_trace_*() helper functions
sched/autogroup: Make autogroup_path() always available
sched/wait: Deduplicate code with do-while
sched/topology: Remove unused 'sd' parameter from arch_scale_cpu_capacity()
...
Pull locking updates from Ingo Molnar:
"The main changes in this cycle are:
- rwsem scalability improvements, phase #2, by Waiman Long, which are
rather impressive:
"On a 2-socket 40-core 80-thread Skylake system with 40 reader
and writer locking threads, the min/mean/max locking operations
done in a 5-second testing window before the patchset were:
40 readers, Iterations Min/Mean/Max = 1,807/1,808/1,810
40 writers, Iterations Min/Mean/Max = 1,807/50,344/151,255
After the patchset, they became:
40 readers, Iterations Min/Mean/Max = 30,057/31,359/32,741
40 writers, Iterations Min/Mean/Max = 94,466/95,845/97,098"
There's a lot of changes to the locking implementation that makes
it similar to qrwlock, including owner handoff for more fair
locking.
Another microbenchmark shows how across the spectrum the
improvements are:
"With a locking microbenchmark running on 5.1 based kernel, the
total locking rates (in kops/s) on a 2-socket Skylake system
with equal numbers of readers and writers (mixed) before and
after this patchset were:
# of Threads Before Patch After Patch
------------ ------------ -----------
2 2,618 4,193
4 1,202 3,726
8 802 3,622
16 729 3,359
32 319 2,826
64 102 2,744"
The changes are extensive and the patch-set has been through
several iterations addressing various locking workloads. There
might be more regressions, but unless they are pathological I
believe we want to use this new implementation as the baseline
going forward.
- jump-label optimizations by Daniel Bristot de Oliveira: the primary
motivation was to remove IPI disturbance of isolated RT-workload
CPUs, which resulted in the implementation of batched jump-label
updates. Beyond the improvement of the real-time characteristics
kernel, in one test this patchset improved static key update
overhead from 57 msecs to just 1.4 msecs - which is a nice speedup
as well.
- atomic64_t cross-arch type cleanups by Mark Rutland: over the last
~10 years of atomic64_t existence the various types used by the
APIs only had to be self-consistent within each architecture -
which means they became wildly inconsistent across architectures.
Mark puts and end to this by reworking all the atomic64
implementations to use 's64' as the base type for atomic64_t, and
to ensure that this type is consistently used for parameters and
return values in the API, avoiding further problems in this area.
- A large set of small improvements to lockdep by Yuyang Du: type
cleanups, output cleanups, function return type and othr cleanups
all around the place.
- A set of percpu ops cleanups and fixes by Peter Zijlstra.
- Misc other changes - please see the Git log for more details"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (82 commits)
locking/lockdep: increase size of counters for lockdep statistics
locking/atomics: Use sed(1) instead of non-standard head(1) option
locking/lockdep: Move mark_lock() inside CONFIG_TRACE_IRQFLAGS && CONFIG_PROVE_LOCKING
x86/jump_label: Make tp_vec_nr static
x86/percpu: Optimize raw_cpu_xchg()
x86/percpu, sched/fair: Avoid local_clock()
x86/percpu, x86/irq: Relax {set,get}_irq_regs()
x86/percpu: Relax smp_processor_id()
x86/percpu: Differentiate this_cpu_{}() and __this_cpu_{}()
locking/rwsem: Guard against making count negative
locking/rwsem: Adaptive disabling of reader optimistic spinning
locking/rwsem: Enable time-based spinning on reader-owned rwsem
locking/rwsem: Make rwsem->owner an atomic_long_t
locking/rwsem: Enable readers spinning on writer
locking/rwsem: Clarify usage of owner's nonspinaable bit
locking/rwsem: Wake up almost all readers in wait queue
locking/rwsem: More optimal RT task handling of null owner
locking/rwsem: Always release wait_lock before waking up tasks
locking/rwsem: Implement lock handoff to prevent lock starvation
locking/rwsem: Make rwsem_spin_on_owner() return owner state
...
Pull RCU updates from Ingo Molnar:
"The changes in this cycle are:
- RCU flavor consolidation cleanups and optmizations
- Documentation updates
- Miscellaneous fixes
- SRCU updates
- RCU-sync flavor consolidation
- Torture-test updates
- Linux-kernel memory-consistency-model updates, most notably the
addition of plain C-language accesses"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (61 commits)
tools/memory-model: Improve data-race detection
tools/memory-model: Change definition of rcu-fence
tools/memory-model: Expand definition of barrier
tools/memory-model: Do not use "herd" to refer to "herd7"
tools/memory-model: Fix comment in MP+poonceonces.litmus
Documentation: atomic_t.txt: Explain ordering provided by smp_mb__{before,after}_atomic()
rcu: Don't return a value from rcu_assign_pointer()
rcu: Force inlining of rcu_read_lock()
rcu: Fix irritating whitespace error in rcu_assign_pointer()
rcu: Upgrade sync_exp_work_done() to smp_mb()
rcutorture: Upper case solves the case of the vanishing NULL pointer
torture: Suppress propagating trace_printk() warning
rcutorture: Dump trace buffer for callback pipe drain failures
torture: Add --trust-make to suppress "make clean"
torture: Make --cpus override idleness calculations
torture: Run kernel build in source directory
torture: Add function graph-tracing cheat sheet
torture: Capture qemu output
rcutorture: Tweak kvm options
rcutorture: Add trivial RCU implementation
...
Pull x86 CPU feature updates from Thomas Gleixner:
"Updates for x86 CPU features:
- Support for UMWAIT/UMONITOR, which allows to use MWAIT and MONITOR
instructions in user space to save power e.g. in HPC workloads
which spin wait on synchronization points.
The maximum time a MWAIT can halt in userspace is controlled by the
kernel and can be adjusted by the sysadmin.
- Speed up the MTRR handling code on CPUs which support cache
self-snooping correctly.
On those CPUs the wbinvd() invocations can be omitted which speeds
up the MTRR setup by a factor of 50.
- Support for the new x86 vendor Zhaoxin who develops processors
based on the VIA Centaur technology.
- Prevent 'cat /proc/cpuinfo' from affecting isolated NOHZ_FULL CPUs
by sending IPIs to retrieve the CPU frequency and use the cached
values instead.
- The addition and late revert of the FSGSBASE support. The revert
was required as it turned out that the code still has hard to
diagnose issues. Yet another engineering trainwreck...
- Small fixes, cleanups, improvements and the usual new Intel CPU
family/model addons"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
x86/fsgsbase: Revert FSGSBASE support
selftests/x86/fsgsbase: Fix some test case bugs
x86/entry/64: Fix and clean up paranoid_exit
x86/entry/64: Don't compile ignore_sysret if 32-bit emulation is enabled
selftests/x86: Test SYSCALL and SYSENTER manually with TF set
x86/mtrr: Skip cache flushes on CPUs with cache self-snooping
x86/cpu/intel: Clear cache self-snoop capability in CPUs with known errata
Documentation/ABI: Document umwait control sysfs interfaces
x86/umwait: Add sysfs interface to control umwait maximum time
x86/umwait: Add sysfs interface to control umwait C0.2 state
x86/umwait: Initialize umwait control values
x86/cpufeatures: Enumerate user wait instructions
x86/cpu: Disable frequency requests via aperfmperf IPI for nohz_full CPUs
x86/acpi/cstate: Add Zhaoxin processors support for cache flush policy in C3
ACPI, x86: Add Zhaoxin processors support for NONSTOP TSC
x86/cpu: Create Zhaoxin processors architecture support file
x86/cpu: Split Tremont based Atoms from the rest
Documentation/x86/64: Add documentation for GS/FS addressing mode
x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2
x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit
...
Pull x86 vsyscall updates from Thomas Gleixner:
"Further hardening of the legacy vsyscall by providing support for
execute only mode and switching the default to it.
This prevents a certain class of attacks which rely on the vsyscall
page being accessible at a fixed address in the canonical kernel
address space"
* 'x86-entry-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86: Add a test for process_vm_readv() on the vsyscall page
x86/vsyscall: Add __ro_after_init to global variables
x86/vsyscall: Change the default vsyscall mode to xonly
selftests/x86/vsyscall: Verify that vsyscall=none blocks execution
x86/vsyscall: Document odd SIGSEGV error code for vsyscalls
x86/vsyscall: Show something useful on a read fault
x86/vsyscall: Add a new vsyscall=xonly mode
Documentation/admin: Remove the vsyscall=native documentation
Pull timer updates from Thomas Gleixner:
"The timer and timekeeping departement delivers:
Core:
- The consolidation of the VDSO code into a generic library including
the conversion of x86 and ARM64. Conversion of ARM and MIPS are en
route through the relevant maintainer trees and should end up in
5.4.
This gets rid of the unnecessary different copies of the same code
and brings all architectures on the same level of VDSO
functionality.
- Make the NTP user space interface more robust by restricting the
TAI offset to prevent undefined behaviour. Includes a selftest.
- Validate user input in the compat settimeofday() syscall to catch
invalid values which would be turned into valid values by a
multiplication overflow
- Consolidate the time accessors
- Small fixes, improvements and cleanups all over the place
Drivers:
- Support for the NXP system counter, TI davinci timer
- Move the Microsoft HyperV clocksource/events code into the
drivers/clocksource directory so it can be shared between x86 and
ARM64.
- Overhaul of the Tegra driver
- Delay timer support for IXP4xx
- Small fixes, improvements and cleanups as usual"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
time: Validate user input in compat_settimeofday()
timer: Document TIMER_PINNED
clocksource/drivers: Continue making Hyper-V clocksource ISA agnostic
clocksource/drivers: Make Hyper-V clocksource ISA agnostic
MAINTAINERS: Fix Andy's surname and the directory entries of VDSO
hrtimer: Use a bullet for the returns bullet list
arm64: vdso: Fix compilation with clang older than 8
arm64: compat: Fix __arch_get_hw_counter() implementation
arm64: Fix __arch_get_hw_counter() implementation
lib/vdso: Make delta calculation work correctly
MAINTAINERS: Add entry for the generic VDSO library
arm64: compat: No need for pre-ARMv7 barriers on an ARMv8 system
arm64: vdso: Remove unnecessary asm-offsets.c definitions
vdso: Remove superfluous #ifdef __KERNEL__ in vdso/datapage.h
clocksource/drivers/davinci: Add support for clocksource
clocksource/drivers/davinci: Add support for clockevents
clocksource/drivers/tegra: Set up maximum-ticks limit properly
clocksource/drivers/tegra: Cycles can't be 0
clocksource/drivers/tegra: Restore base address before cleanup
clocksource/drivers/tegra: Add verbose definition for 1MHz constant
...
Pull irq updates from Thomas Gleixner:
"The irq departement provides the usual mixed bag:
Core:
- Further improvements to the irq timings code which aims to predict
the next interrupt for power state selection to achieve better
latency/power balance
- Add interrupt statistics to the core NMI handlers
- The usual small fixes and cleanups
Drivers:
- Support for Renesas RZ/A1, Annapurna Labs FIC, Meson-G12A SoC and
Amazon Gravition AMR/GIC interrupt controllers.
- Rework of the Renesas INTC controller driver
- ACPI support for Socionext SoCs
- Enhancements to the CSKY interrupt controller
- The usual small fixes and cleanups"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irq/irqdomain: Fix comment typo
genirq: Update irq stats from NMI handlers
irqchip/gic-pm: Remove PM_CLK dependency
irqchip/al-fic: Introduce Amazon's Annapurna Labs Fabric Interrupt Controller Driver
dt-bindings: interrupt-controller: Add Amazon's Annapurna Labs FIC
softirq: Use __this_cpu_write() in takeover_tasklets()
irqchip/mbigen: Stop printing kernel addresses
irqchip/gic: Add dependency for ARM_GIC_MAX_NR
genirq/affinity: Remove unused argument from [__]irq_build_affinity_masks()
genirq/timings: Add selftest for next event computation
genirq/timings: Add selftest for irqs circular buffer
genirq/timings: Add selftest for circular array
genirq/timings: Encapsulate storing function
genirq/timings: Encapsulate timings push
genirq/timings: Optimize the period detection speed
genirq/timings: Fix timings buffer inspection
genirq/timings: Fix next event index function
irqchip/qcom: Use struct_size() in devm_kzalloc()
irqchip/irq-csky-mpintc: Remove unnecessary loop in interrupt handler
dt-bindings: interrupt-controller: Update csky mpintc
...
- Improve stop_machine wait logic: replace cpu_relax_yield call in generic
stop_machine function with a weak stop_machine_yield function. This is
overridden on s390, which yields the current cpu to the neighbouring cpu
after a couple of retries, instead of blindly giving up the cpu to the
hipervisor. This significantly improves stop_machine performance on s390 in
overcommitted scenarios.
This includes common code changes which have been Acked by Peter Zijlstra
and Thomas Gleixner.
- Improve jump label transformation speed: transform jump labels without
using stop_machine.
- Refactoring of the vfio-ccw cp handling, simplifying the code and
avoiding unneeded allocating/copying.
- Various vfio-ccw fixes (ccw translation, state machine).
- Add support for vfio-ap queue interrupt control in the guest.
This includes s390 kvm changes which have been Acked by Christian
Borntraeger.
- Add protected virtualization support for virtio-ccw.
- Enforce both CONFIG_SMP and CONFIG_HOTPLUG_CPU, which allows to remove some
code which most likely isn't working at all, besides that s390 didn't even
compile for !CONFIG_SMP.
- Support for special flagged EP11 CPRBs for zcrypt.
- Handle PCI devices with no support for new MIO instructions.
- Avoid KASAN false positives in reworked stack unwinder.
- Couple of fixes for the QDIO layer.
- Convert s390 specific documentation to ReST format.
- Let s390 crypto modules return -ENODEV instead of -EOPNOTSUPP if hardware is
missing. This way our modules behave like most other modules and which is
also what systemd's systemd-modules-load.service expects.
- Replace defconfig with performance_defconfig, so there is one config file
less to maintain.
- Remove the SCLP call home device driver, which was never useful.
- Cleanups all over the place.
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Merge tag 's390-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Improve stop_machine wait logic: replace cpu_relax_yield call in
generic stop_machine function with a weak stop_machine_yield
function. This is overridden on s390, which yields the current cpu to
the neighbouring cpu after a couple of retries, instead of blindly
giving up the cpu to the hipervisor. This significantly improves
stop_machine performance on s390 in overcommitted scenarios.
This includes common code changes which have been Acked by Peter
Zijlstra and Thomas Gleixner.
- Improve jump label transformation speed: transform jump labels
without using stop_machine.
- Refactoring of the vfio-ccw cp handling, simplifying the code and
avoiding unneeded allocating/copying.
- Various vfio-ccw fixes (ccw translation, state machine).
- Add support for vfio-ap queue interrupt control in the guest. This
includes s390 kvm changes which have been Acked by Christian
Borntraeger.
- Add protected virtualization support for virtio-ccw.
- Enforce both CONFIG_SMP and CONFIG_HOTPLUG_CPU, which allows to
remove some code which most likely isn't working at all, besides that
s390 didn't even compile for !CONFIG_SMP.
- Support for special flagged EP11 CPRBs for zcrypt.
- Handle PCI devices with no support for new MIO instructions.
- Avoid KASAN false positives in reworked stack unwinder.
- Couple of fixes for the QDIO layer.
- Convert s390 specific documentation to ReST format.
- Let s390 crypto modules return -ENODEV instead of -EOPNOTSUPP if
hardware is missing. This way our modules behave like most other
modules and which is also what systemd's systemd-modules-load.service
expects.
- Replace defconfig with performance_defconfig, so there is one config
file less to maintain.
- Remove the SCLP call home device driver, which was never useful.
- Cleanups all over the place.
* tag 's390-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (83 commits)
docs: s390: s390dbf: typos and formatting, update crash command
docs: s390: unify and update s390dbf kdocs at debug.c
docs: s390: restore important non-kdoc parts of s390dbf.rst
vfio-ccw: Fix the conversion of Format-0 CCWs to Format-1
s390/pci: correctly handle MIO opt-out
s390/pci: deal with devices that have no support for MIO instructions
s390: ap: kvm: Enable PQAP/AQIC facility for the guest
s390: ap: implement PAPQ AQIC interception in kernel
vfio: ap: register IOMMU VFIO notifier
s390: ap: kvm: add PQAP interception for AQIC
s390/unwind: cleanup unused READ_ONCE_TASK_STACK
s390/kasan: avoid false positives during stack unwind
s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
s390/qdio: (re-)initialize tiqdio list entries
s390/dasd: Fix a precision vs width bug in dasd_feature_list()
s390/cio: introduce driver_override on the css bus
vfio-ccw: make convert_ccw0_to_ccw1 static
vfio-ccw: Remove copy_ccw_from_iova()
vfio-ccw: Factor out the ccw0-to-ccw1 transition
vfio-ccw: Copy CCW data outside length calculation
...
- arm64 support for syscall emulation via PTRACE_SYSEMU{,_SINGLESTEP}
- Wire up VM_FLUSH_RESET_PERMS for arm64, allowing the core code to
manage the permissions of executable vmalloc regions more strictly
- Slight performance improvement by keeping softirqs enabled while
touching the FPSIMD/SVE state (kernel_neon_begin/end)
- Expose a couple of ARMv8.5 features to user (HWCAP): CondM (new XAFLAG
and AXFLAG instructions for floating point comparison flags
manipulation) and FRINT (rounding floating point numbers to integers)
- Re-instate ARM64_PSEUDO_NMI support which was previously marked as
BROKEN due to some bugs (now fixed)
- Improve parking of stopped CPUs and implement an arm64-specific
panic_smp_self_stop() to avoid warning on not being able to stop
secondary CPUs during panic
- perf: enable the ARM Statistical Profiling Extensions (SPE) on ACPI
platforms
- perf: DDR performance monitor support for iMX8QXP
- cache_line_size() can now be set from DT or ACPI/PPTT if provided to
cope with a system cache info not exposed via the CPUID registers
- Avoid warning on hardware cache line size greater than
ARCH_DMA_MINALIGN if the system is fully coherent
- arm64 do_page_fault() and hugetlb cleanups
- Refactor set_pte_at() to avoid redundant READ_ONCE(*ptep)
- Ignore ACPI 5.1 FADTs reported as 5.0 (infer from the 'arm_boot_flags'
introduced in 5.1)
- CONFIG_RANDOMIZE_BASE now enabled in defconfig
- Allow the selection of ARM64_MODULE_PLTS, currently only done via
RANDOMIZE_BASE (and an erratum workaround), allowing modules to spill
over into the vmalloc area
- Make ZONE_DMA32 configurable
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- arm64 support for syscall emulation via PTRACE_SYSEMU{,_SINGLESTEP}
- Wire up VM_FLUSH_RESET_PERMS for arm64, allowing the core code to
manage the permissions of executable vmalloc regions more strictly
- Slight performance improvement by keeping softirqs enabled while
touching the FPSIMD/SVE state (kernel_neon_begin/end)
- Expose a couple of ARMv8.5 features to user (HWCAP): CondM (new
XAFLAG and AXFLAG instructions for floating point comparison flags
manipulation) and FRINT (rounding floating point numbers to integers)
- Re-instate ARM64_PSEUDO_NMI support which was previously marked as
BROKEN due to some bugs (now fixed)
- Improve parking of stopped CPUs and implement an arm64-specific
panic_smp_self_stop() to avoid warning on not being able to stop
secondary CPUs during panic
- perf: enable the ARM Statistical Profiling Extensions (SPE) on ACPI
platforms
- perf: DDR performance monitor support for iMX8QXP
- cache_line_size() can now be set from DT or ACPI/PPTT if provided to
cope with a system cache info not exposed via the CPUID registers
- Avoid warning on hardware cache line size greater than
ARCH_DMA_MINALIGN if the system is fully coherent
- arm64 do_page_fault() and hugetlb cleanups
- Refactor set_pte_at() to avoid redundant READ_ONCE(*ptep)
- Ignore ACPI 5.1 FADTs reported as 5.0 (infer from the
'arm_boot_flags' introduced in 5.1)
- CONFIG_RANDOMIZE_BASE now enabled in defconfig
- Allow the selection of ARM64_MODULE_PLTS, currently only done via
RANDOMIZE_BASE (and an erratum workaround), allowing modules to spill
over into the vmalloc area
- Make ZONE_DMA32 configurable
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (54 commits)
perf: arm_spe: Enable ACPI/Platform automatic module loading
arm_pmu: acpi: spe: Add initial MADT/SPE probing
ACPI/PPTT: Add function to return ACPI 6.3 Identical tokens
ACPI/PPTT: Modify node flag detection to find last IDENTICAL
x86/entry: Simplify _TIF_SYSCALL_EMU handling
arm64: rename dump_instr as dump_kernel_instr
arm64/mm: Drop [PTE|PMD]_TYPE_FAULT
arm64: Implement panic_smp_self_stop()
arm64: Improve parking of stopped CPUs
arm64: Expose FRINT capabilities to userspace
arm64: Expose ARMv8.5 CondM capability to userspace
arm64: defconfig: enable CONFIG_RANDOMIZE_BASE
arm64: ARM64_MODULES_PLTS must depend on MODULES
arm64: bpf: do not allocate executable memory
arm64/kprobes: set VM_FLUSH_RESET_PERMS on kprobe instruction pages
arm64/mm: wire up CONFIG_ARCH_HAS_SET_DIRECT_MAP
arm64: module: create module allocations without exec permissions
arm64: Allow user selection of ARM64_MODULE_PLTS
acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
arm64: Allow selecting Pseudo-NMI again
...
* pm-cpufreq:
cpufreq: Avoid calling cpufreq_verify_current_freq() from handle_update()
cpufreq: Consolidate cpufreq_update_current_freq() and __cpufreq_get()
cpufreq: Don't skip frequency validation for has_target() drivers
cpufreq: Use has_target() instead of !setpolicy
cpufreq: Remove redundant !setpolicy check
cpufreq: Move the IS_ENABLED(CPU_THERMAL) macro into a stub
cpufreq: s5pv210: Don't flood kernel log after cpufreq change
cpufreq: pcc-cpufreq: Fail initialization if driver cannot be registered
cpufreq: add driver for Raspberry Pi
cpufreq: Switch imx7d to imx-cpufreq-dt for speed grading
cpufreq: imx-cpufreq-dt: Remove global platform match list
cpufreq: brcmstb-avs-cpufreq: Fix types for voltage/frequency
cpufreq: brcmstb-avs-cpufreq: Fix initial command check
cpufreq: armada-37xx: Remove set but not used variable 'freq'
cpufreq: imx-cpufreq-dt: Fix no OPPs available on unfused parts
dt-bindings: imx-cpufreq-dt: Document opp-supported-hw usage
cpufreq: Add imx-cpufreq-dt driver
For non-static-inlines, debug.c already had non-compliant function
header docs. So move the pure prototype kdocs of
("s390: include/asm/debug.h add kerneldoc markups")
from debug.h to debug.c and merge them with the old function docs.
Also, I had the impression that kdoc typically is at the implementation
in the compile unit rather than at the prototype in the header file.
While at it, update the short kdoc description to distinguish the
different functions. And a few more consistency cleanups.
Added a new kdoc for debug_set_critical() since debug.h comments it
as part of the API.
Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <1562149189-1417-3-git-send-email-maier@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Complements previous ("s390: include/asm/debug.h add kerneldoc markups")
which seemed to have dropped important non-kdoc parts such as
user space interface (level, size, flush)
as well as views and caution regarding strings in the sprintf view.
Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <1562149189-1417-2-git-send-email-maier@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
The function is called gpiod_get_array(), not gpiod_array_get().
Fixes: 77588c14ac ("gpiolib: Pass array info to get/set array functions")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20190701141005.24631-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The FSGSBASE series turned out to have serious bugs and there is still an
open issue which is not fully understood yet.
The confidence in those changes has become close to zero especially as the
test cases which have been shipped with that series were obviously never
run before sending the final series out to LKML.
./fsgsbase_64 >/dev/null
Segmentation fault
As the merge window is close, the only sane decision is to revert FSGSBASE
support. The revert is necessary as this branch has been merged into
perf/core already and rebasing all of that a few days before the merge
window is not the most brilliant idea.
I could definitely slap myself for not noticing the test case fail when
merging that series, but TBH my expectations weren't that low back
then. Won't happen again.
Revert the following commits:
539bca535d ("x86/entry/64: Fix and clean up paranoid_exit")
2c7b5ac5d5 ("Documentation/x86/64: Add documentation for GS/FS addressing mode")
f987c955c7 ("x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2")
2032f1f96e ("x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit")
5bf0cab60e ("x86/entry/64: Document GSBASE handling in the paranoid path")
708078f657 ("x86/entry/64: Handle FSGSBASE enabled paranoid entry/exit")
79e1932fa3 ("x86/entry/64: Introduce the FIND_PERCPU_BASE macro")
1d07316b13 ("x86/entry/64: Switch CR3 before SWAPGS in paranoid entry")
f60a83df45 ("x86/process/64: Use FSGSBASE instructions on thread copy and ptrace")
1ab5f3f7fe ("x86/process/64: Use FSBSBASE in switch_to() if available")
a86b462513 ("x86/fsgsbase/64: Enable FSGSBASE instructions in helper functions")
8b71340d70 ("x86/fsgsbase/64: Add intrinsics for FSGSBASE instructions")
b64ed19b93 ("x86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Chang S. Bae <chang.seok.bae@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ravi Shankar <ravi.v.shankar@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Tidy up the formatting/grammar in crypto_engine.rst. Use bulleted lists
where appropriate.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Fill in missing parameter descriptions for the compression algorithm,
then pick them up to document for the compression_alg structure.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Add an optional reset property to the tdm formatter bindings. The
dedicated reset line is present on some SoC families, such as the g12a.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20190703120749.32341-2-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
"git diff" says:
\ No newline at end of file
after modifying the files.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The intel-int3496.txt file is a documentation for an ACPI driver.
There's no reason to keep it on a separate directory.
So, instead of keeping it on some random location, move it
to a sub-directory inside the ACPI documentation dir,
renaming it to .rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Loud speaker pop happens during playback even when in slience
playback. Specify Max98357a amp delay times to make sure
clocks are always earlier than sdmode on.
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Linus Torvalds
Rafael J. Wysocki
Mark Brown
Steffen Maier
Joerg Roedel
Qii Wang
Geert Uytterhoeven
Thomas Gleixner
Hook, Gary
Jerome Brunet
Mauro Carvalho Chehab
Talel Shenhar
Mac Chiang