* new API for safe access of power supply function attrs
* devres support for power supply (un)registration
* new drivers / chips
- generic syscon based poweroff driver
- iio & charger driver for da9150
- fuel gauge driver for axp288
- bq27x00: add support for bq27510
- bq2415x: add support for bq24157s
* twl4030-madc-battery: convert to iio consumer
* misc fixes
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Merge tag 'for-v4.1' of git://git.infradead.org/battery-2.6
Pull power supply and reset changes from Sebastian Reichel:
- new API for safe access of power supply function attrs
- devres support for power supply (un)registration
- new drivers / chips:
- generic syscon based poweroff driver
- iio & charger driver for da9150
- fuel gauge driver for axp288
- bq27x00: add support for bq27510
- bq2415x: add support for bq24157s
- twl4030-madc-battery: convert to iio consumer
- misc fixes
* tag 'for-v4.1' of git://git.infradead.org/battery-2.6: (66 commits)
power: twl4030_madc_battery: Add missing MODULE_ALIAS
power: twl4030-madc-battery: Convert to iio consumer.
dt: power: Add docs for generic SYSCON poweroff driver.
power: reset: Add generic SYSCON register mapped poweroff.
power: max17042_battery: add missed blank
power: max17042_battery: Use reg type instead of chip type
power/reset: at91: big endian fixes for atsama5d3x
power_supply: charger-manager: Fix dereferencing of ERR_PTR
HID: input: Fix NULL pointer dereference when power_supply_register fails
power: constify of_device_id array
power/reset/rmobile-reset.c: Fix !HAS_IOMEM build
power_supply: 88pm860x_charger: Fix possible NULL pointer dereference and use of initialized variable
arm: mach-pxa: Decrement the power supply's device reference counter
mfd: ab8500: Decrement the power supply's device reference counter
power_supply: bq2415x_charger: Decrement the power supply's device reference counter
power_supply: 88pm860x_charger: Decrement the power supply's device reference counter
x86/olpc/xo15/sci: Use newly added power_supply_put API
x86/olpc/xo1/sci: Use newly added power_supply_put API
power_supply: charger-manager: Decrement the power supply's device reference counter
power_supply: Increment power supply use counter when obtaining references
...
Another release, another set of regulator updates. Not much of it is
showing up in the code yet but there's been a lot of discussion going on
about how to enhance the regulator API to work better with modern SoCs
which have a microcontroller sitting between Linux and the hardware.
I'm hopeful that'll start to come through into mainline for v4.2 but
it's not quite there for v4.1 - what we do have (along with the usual
small updates is) is:
- Work from Bjorn Andersson on refactoring the configuration of
regulator loading interfaces to be useful for use with
microcontrollers, the existing interfaces were never actually useful
for anything as-is since nobody was willing to put enough data into
public code.
- A summary tree display in debugfs from Heiko Stübner.
- Support for act6000 regulators.
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Merge tag 'regulator-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Another release, another set of regulator updates. Not much of it is
showing up in the code yet but there's been a lot of discussion going
on about how to enhance the regulator API to work better with modern
SoCs which have a microcontroller sitting between Linux and the
hardware.
I'm hopeful that'll start to come through into mainline for v4.2 but
it's not quite there for v4.1 - what we do have (along with the usual
small updates is) is:
- work from Bjorn Andersson on refactoring the configuration of
regulator loading interfaces to be useful for use with
microcontrollers, the existing interfaces were never actually
useful for anything as-is since nobody was willing to put enough
data into public code.
- a summary tree display in debugfs from Heiko Stübner.
- support for act6000 regulators"
* tag 'regulator-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (34 commits)
regulator: max8660: Handle empty regulator data
regulator: output current-limit for all regulators in summary
regulator: add a summary tree in debugfs
regulator: qcom: Tidy up probe()
regulator: qcom: Rework to single platform device
regulator: qcom: Refactor of-parsing code
regulator: qcom: Don't enable DRMS in driver
regulator: max8660: fix assignment of pdata to data that becomes dead
regulator: Defer lookup of supply to regulator_get
mfd: max77693: Remove unused structures
regulator: max77693: Let core parse DT and drop board files support
regulator: Ensure unique regulator debugfs directory names
regulator: stw481x: Remove unused fields from struct stw481x
regulator: palmas: Add has_regen3 check for TPS659038
regulator: constify of_device_id array
regulator: fixes for regulator_set_optimum_mode name change
regulator: Drop temporary regulator_set_optimum_mode wrapper
usb: phy: phy-msm-usb: Rename regulator_set_optimum_mode
usb: phy: ab8500-usb: Rename regulator_set_optimum_mode
ufs: Rename of regulator_set_optimum_mode
...
Only one framework update this time around, a change from Lars-Peter to
move full to pm_ops and remove the legacy bus PM ops. Otherwise it's
all driver updates:
- Make the spidev driver complain loudly if registered as spidev with
DT rather than with a compatible string, hopefully helping people
avoid making that mistake.
- Error handling and robustness fixes for the Designware and Intel MID
drivers from Andy Shevchenko.
- Substantial performance improvements for the Raspberry Pi driver from
Martin Sperl.
- Several new features for spidev_test from Adrian Remonda and Ian
Abbott.
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Merge tag 'spi-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Only one framework update this time around, a change from Lars-Peter
to move full to pm_ops and remove the legacy bus PM ops. Otherwise
it's all driver updates:
- make the spidev driver complain loudly if registered as spidev with
DT rather than with a compatible string, hopefully helping people
avoid making that mistake.
- error handling and robustness fixes for the Designware and Intel
MID drivers from Andy Shevchenko.
- substantial performance improvements for the Raspberry Pi driver
from Martin Sperl.
- several new features for spidev_test from Adrian Remonda and Ian
Abbott"
* tag 'spi-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (75 commits)
spi: bcm2835: enabling polling mode for transfers shorter than 30us
spi: bcm2835: transform native-cs to gpio-cs on first spi_setup
spi: img-spfi: Control CS lines with GPIO
spi: img-spfi: Reset controller after each message
spi: img-spfi: Implement a handle_err() callback
spi: img-spfi: Setup TRANSACTION register before CONTROL register
spi: Make master->handle_err() callback optional to avoid crashes
spi: img-spfi: Limit bit clock to 1/4th of input clock
spi: img-spfi: Implement a prepare_message() callback
spi: fsl-dspi: Add ~50ns delay between cs and sck
spi: fsl-dspi: Add cs-sck delays
spi: fsl-dspi: Fix clock rate scale values
spi: signedness bug in qspi_trigger_transfer_out_int()
spi: imx: read back the RX/TX watermark levels earlier
spi: spi-bfin5xx: Initialize cr_width in bfin_spi_pump_transfers()
spi: bitbang: only toggle bitchanges
spi: pxa2xx: missing break in pxa2xx_ssp_get_clk_div()
spi: fsl-dspi: Fix clock rate scale values
spi: Using Trigger number to transmit/receive data
spi: bcm2835: fill FIFO before enabling interrupts to reduce interrupts/message
...
Just one patch for regmap this time around, a change from Steven Rostedt
to prettify the way we're making the regmap internal header available to
the trace events (it turns out that the trace subsystem doesn't actually
need to be in trace/events).
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Merge tag 'regmap-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap update from Mark Brown:
"Just one patch for regmap this time around, a change from Steven
Rostedt to prettify the way we're making the regmap internal header
available to the trace events (it turns out that the trace subsystem
doesn't actually need to be in trace/events)"
* tag 'regmap-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Move tracing header into drivers/base/regmap
- Add support for marking HPI as broken through devicetree
- Enable runtime PM management of host devices
- Remove the ->enable|disable() callbacks
- Restructure code and cleanups
- Refreshed some of the MMC sections in MAINTAINERS
MMC host:
- dw_mmc: HS400 mode support
- dw_mmc: Add the cmd11 timer to detect a timeout
- dw_mmc: Endian agnostic IO accessors
- dw_mmc: Bugfixes
- sh_mmcif: Add exclusion between cmd and interrupt
- omap_hsmmc: Hibernation support
- omap_hsmmc: Rework and simplify cover/card detect
- omap_hsmmc: Stop using ->enable|disable() callbacks
- atmel-mci: Endian agnostic IO
- sunxi: Enable MMC_CAP_SDIO_IRQ
- sdhci-st: Add support for the stih407 family silicon
- sdhci-st: UHS card support in SDR104 mode
- sdhci-st: HS200 mode support
- sdhci-esdhc-imx: Use common mmc DT parser
- sdhci-of-arasan: Use common mmc DT parser
- sdhci-iproc: Add new driver for Broadcom IPROC SDHCI controller
- sdhci-tegra: Convert to GPIO descriptors
- sdhci-tegra: Optmize write_w path for tegra114 and later
- sdhci-sirf: Update tuning procedure
- sdhci: Fix card presence logic
- sdhci: Cleanups and consolidation
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Merge tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for marking HPI as broken through devicetree
- Enable runtime PM management of host devices
- Remove the ->enable|disable() callbacks
- Restructure code and cleanups
- Refreshed some of the MMC sections in MAINTAINERS
MMC host:
- dw_mmc: HS400 mode support
- dw_mmc: Add the cmd11 timer to detect a timeout
- dw_mmc: Endian agnostic IO accessors
- dw_mmc: Bugfixes
- sh_mmcif: Add exclusion between cmd and interrupt
- omap_hsmmc: Hibernation support
- omap_hsmmc: Rework and simplify cover/card detect
- omap_hsmmc: Stop using ->enable|disable() callbacks
- atmel-mci: Endian agnostic IO
- sunxi: Enable MMC_CAP_SDIO_IRQ
- sdhci-st: Add support for the stih407 family silicon
- sdhci-st: UHS card support in SDR104 mode
- sdhci-st: HS200 mode support
- sdhci-esdhc-imx: Use common mmc DT parser
- sdhci-of-arasan: Use common mmc DT parser
- sdhci-iproc: Add new driver for Broadcom IPROC SDHCI controller
- sdhci-tegra: Convert to GPIO descriptors
- sdhci-tegra: Optmize write_w path for tegra114 and later
- sdhci-sirf: Update tuning procedure
- sdhci: Fix card presence logic
- sdhci: Cleanups and consolidation"
* tag 'mmc-v4.1' of git://git.linaro.org/people/ulf.hansson/mmc: (79 commits)
mmc: sdhci-st: Update ST SDHCI binding documentation.
mmc: sdhci-st: Update the quirks for this controller.
mmc: sdhci-st: Add sdhci_st_set_uhs_signaling function.
mmc: sdhci-st: Add st_mmcss_cconfig function to configure mmcss glue registers.
mmc: sdhci-st: Add delay management functions for top registers (eMMC).
mmc: sdhci-st: Add support for de-asserting reset signal and top regs resource
mmc: sdhci-st: Add macros for register offsets and bitfields for mmcss glue regs
mmc: sdhci-esdhc-imx: Call mmc_of_parse()
mmc: dw_mmc: Add locking around cmd11 timer
mmc: dw_mmc: Add a return in an unexpected cmd11 timeout
mmc: dw_mmc: Increase cmd11 timeout to 500ms
mmc: dw_mmc: fix fifo ordering in big endian
mmc: dw_mmc: change idmac descriptor files to __le32
mmc: dw_mmc: make IO accessors endian agnostic
mmc: core: Convert the error field in struct mmc_command|data into an int
mmc: sdhci-of-arasan: Call OF parsing for MMC
mmc: sdhci-pci: fix 64 BIT DMA quirks for rtsx
mmc: Add support for marking hpi as broken through devicetree
mmc: sdhci-tegra: convert to use GPIO descriptors
mmc: omap_hsmmc: use generic slot-gpio isr to manage card detect pin
...
* misc cleanups
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Merge tag 'edac_for_4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
- convert a bunch of drivers to static attribute groups (Takashi Iwai)
- misc cleanups
* tag 'edac_for_4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC: Constify of_device_id array
EDAC, i82443bxgx: Don't export static symbol
EDAC, amd64_edac: Get rid of per-node driver instances
EDAC: Properly unwind on failure path in edac_init()
EDAC: highbank: Use static attribute groups for sysfs entries
EDAC: octeon: Use static attribute groups for sysfs entries
EDAC: mpc85xx: Use static attribute groups for sysfs entries
EDAC: i7core: Use static attribute groups for sysfs entries
EDAC: i7core: Return proper error codes for kzalloc() errors
EDAC: amd64: Use static attribute groups
EDAC: Allow to pass driver-specific attribute groups
EDAC: Use static attribute groups for managing sysfs entries
EDAC: Delete unnecessary checks before pci_dev_put()
- Add support for IT8620E, IT8781F, IT8786E, and IT8790E to it87 driver
- Add driver for NCT7904
- Functional improvements
- Support for new devicetree structure in ibmpowernv driver
- Register pwm-fan and gpio-fan drivers as thermal cooling devices
- Various minor cleanup and improvements to it87, nct6775, jc42,
ibmpex, and coretemp drivers
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Merge tag 'hwmon-for-linus-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Support for new chips:
- add support for IT8620E, IT8781F, IT8786E, and IT8790E to it87
driver
- add driver for NCT7904
Functional improvements:
- support for new devicetree structure in ibmpowernv driver
- register pwm-fan and gpio-fan drivers as thermal cooling devices
- various minor cleanup and improvements to it87, nct6775, jc42,
ibmpex, and coretemp drivers"
* tag 'hwmon-for-linus-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (43 commits)
hwmon: (pwm-fan) Update the duty cycle inorder to control the pwm-fan
hwmon: (it87) Use feature macros on sio_data
hwmon: (ibmpowernv) Fix build error seen for some configurations
hwmon: (gpio-fan) Move the thermal registration after registration is complete
hwmon: (ibmpowernv) pretty print labels
hwmon: (ibmpowernv) add a label attribute
hwmon: (ibmpowernv) add support for the new device tree
hwmon: (ibmpowernv) add a helper routine create_hwmon_attr
hwmon: (it87) Add support for 6th fan of IT8620E
hwmon: (it87) Add support for IT8620E
hwmon: (it87) Add support for IT8790E
hwmon: (it87) Introduce feature flag to reflect internal in7 sensor
hwmon: (it87) Introduce configuration field for chip suffix
hwmon: (it87) Fix PWM frequency display for chips with newer PWM control
hwmon: (it87) Fix pwm sysfs attribute removal
hwmon: (ibmpowernv) do not use the OPAL index for hwmon attribute names
hwmon: (ibmpowernv) change create_hwmon_attr_name() prototype
hwmon: (ibmpowernv) add a convert_opal_attr_name() routine
hwmon: (ibmpowernv) add a get_sensor_type() routine
hwmon: (ibmpowernv) replace AMBIENT_TEMP by TEMP
...
Pull x86 vdso changes from Ingo Molnar:
"Misc vDSO updates"
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vdso: Remove x32 intermediates during 'make clean'
x86/vdso: Teach 'make clean' to remove generated vdso-image-*.c files
x86/vdso32/syscall.S: Do not load __USER32_DS to %ss
x86/vdso: Fix the x86 vdso2c tool includes
Pull x86 fix from Ingo Molnar:
"Leftover from 4.0
Fix a local stack variable corruption with certain kdump usage
patterns (Dave Young)"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/numa: Fix kernel stack corruption in numa_init()->numa_clear_kernel_node_hotplug()
Pull x86 RAS changes from Ingo Molnar:
"The main changes in this cycle were:
- Simplify the CMCI storm logic on Intel CPUs after yet another
report about a race in the code (Borislav Petkov)
- Enable the MCE threshold irq on AMD CPUs by default (Aravind
Gopalakrishnan)
- Add AMD-specific MCE-severity grading function. Further error
recovery actions will be based on its output (Aravind Gopalakrishnan)
- Documentation updates (Borislav Petkov)
- ... assorted fixes and cleanups"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/severity: Fix warning about indented braces
x86/mce: Define mce_severity function pointer
x86/mce: Add an AMD severities-grading function
x86/mce: Reindent __mcheck_cpu_apply_quirks() properly
x86/mce: Use safe MSR accesses for AMD quirk
x86/MCE/AMD: Enable thresholding interrupts by default if supported
x86/MCE: Make mce_panic() fatal machine check msg in the same pattern
x86/MCE/intel: Cleanup CMCI storm logic
Documentation/acpi/einj: Correct and streamline text
x86/MCE/AMD: Drop bogus const modifier from AMD's bank4_names()
Pull x86 platform change from Ingo Molnar:
"An Intel Quark SoC fix"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel/quark: Run IMR self-test on IMR capble hw only
Pull x86 mm changes from Ingo Molnar:
"The main changes in this cycle were:
- reduce the x86/32 PAE per task PGD allocation overhead from 4K to
0.032k (Fenghua Yu)
- early_ioremap/memunmap() usage cleanups (Juergen Gross)
- gbpages support cleanups (Luis R Rodriguez)
- improve AMD Bulldozer (family 0x15) ASLR I$ aliasing workaround to
increase randomization by 3 bits (per bootup) (Hector
Marco-Gisbert)
- misc fixlets"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Improve AMD Bulldozer ASLR workaround
x86/mm/pat: Initialize __cachemode2pte_tbl[] and __pte2cachemode_tbl[] in a bit more readable fashion
init.h: Clean up the __setup()/early_param() macros
x86/mm: Simplify probe_page_size_mask()
x86/mm: Further simplify 1 GB kernel linear mappings handling
x86/mm: Use early_param_on_off() for direct_gbpages
init.h: Add early_param_on_off()
x86/mm: Simplify enabling direct_gbpages
x86/mm: Use IS_ENABLED() for direct_gbpages
x86/mm: Unexport set_memory_ro() and set_memory_rw()
x86/mm, efi: Use early_ioremap() in arch/x86/platform/efi/efi-bgrt.c
x86/mm: Use early_memunmap() instead of early_iounmap()
x86/mm/pat: Ensure different messages in STRICT_DEVMEM and PAT cases
x86/mm: Reduce PAE-mode per task pgd allocation overhead from 4K to 32 bytes
Pull x86 microcode changes from Ingo Molnar:
"Microcode driver updates: mostly cleanups but also some fixes
(Borislav Petkov)"
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/amd: Drop the pci_ids.h dependency
x86/microcode/intel: Fix printing of microcode blobs in show_saved_mc()
x86/microcode/intel: Check scan_microcode()'s retval
x86/microcode/intel: Sanitize microcode_pointer()
x86/microcode/intel: Move mc arg last in get_matching_{microcode|sig}
x86/microcode/intel: Simplify generic_load_microcode_early()
x86/microcode: Consolidate family,model, ... code
x86/microcode/intel: Rename update_match_revision()
x86/microcode/intel: Sanitize _save_mc()
x86/microcode/intel: Make _save_mc() return the updated saved count
x86/microcode/intel: Simplify load_ucode_intel_bsp()
x86/microcode/intel: Get rid of last arg to load_ucode_intel_bsp()
x86/microcode/intel: Do the mc_saved_src NULL check first
x86/microcode/intel: Check if microcode was found before applying
x86/microcode/intel: Fix out of bounds memory access to the extended header
Pull x86 fpu changes from Ingo Molnar:
"Various x86 FPU handling cleanups, refactorings and fixes (Borislav
Petkov, Oleg Nesterov, Rik van Riel)"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/fpu: Kill eager_fpu_init_bp()
x86/fpu: Don't allocate fpu->state for swapper/0
x86/fpu: Rename drop_init_fpu() to fpu_reset_state()
x86/fpu: Fold __drop_fpu() into its sole user
x86/fpu: Don't abuse drop_init_fpu() in flush_thread()
x86/fpu: Use restore_init_xstate() instead of math_state_restore() on kthread exec
x86/fpu: Introduce restore_init_xstate()
x86/fpu: Document user_fpu_begin()
x86/fpu: Factor out memset(xstate, 0) in fpu_finit() paths
x86/fpu: Change xstateregs_get()/set() to use ->xsave.i387 rather than ->fxsave
x86/fpu: Don't abuse FPU in kernel threads if use_eager_fpu()
x86/fpu: Always allow FPU in interrupt if use_eager_fpu()
x86/fpu: __kernel_fpu_begin() should clear fpu_owner_task even if use_eager_fpu()
x86/fpu: Also check fpu_lazy_restore() when use_eager_fpu()
x86/fpu: Use task_disable_lazy_fpu_restore() helper
x86/fpu: Use an explicit if/else in switch_fpu_prepare()
x86/fpu: Introduce task_disable_lazy_fpu_restore() helper
x86/fpu: Move lazy restore functions up a few lines
x86/fpu: Change math_error() to use unlazy_fpu(), kill (now) unused save_init_fpu()
x86/fpu: Don't do __thread_fpu_end() if use_eager_fpu()
...
Pull x86 debug changes from Ingo Molnar:
"Stack printing fixlets"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kernel: Use kstack_end() in dumpstack_64.c
x86/kernel: Fix output of show_stack_log_lvl()
Pull x86 cacheinfo sysfs changes from Ingo Molnar:
"This tree converts the x86 cacheinfo sysfs code to use the generic
code in drivers/base/cacheinfo.c.
It's not intended to change the sysfs ABI:
'This patch neither alters any existing sysfs entries nor their
formating, however since the generic cacheinfo has switched to
use the device attributes instead of the traditional raw
kobjects, a directory named 'power' along with its standard
attributes are added similar to any other device'"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/cacheinfo: Fix cache_get_priv_group() for Intel processors
x86/cacheinfo: Move cacheinfo sysfs code to generic infrastructure
Pull x86 cleanups from Ingo Molnar:
"Various cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/iommu: Fix header comments regarding standard and _FINISH macros
x86/earlyprintk: Put CONFIG_PCI-only functions under the #ifdef
x86: Fix up obsolete __cpu_set() function usage
Pull x86 boot changes from Ingo Molnar:
"A number of cleanups"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Standardize strcmp()
x86/boot/64: Remove pointless early_printk() message
x86/boot/video: Move the 'video_segment' variable to video.c
Pull x86 asm changes from Ingo Molnar:
"There were lots of changes in this development cycle:
- over 100 separate cleanups, restructuring changes, speedups and
fixes in the x86 system call, irq, trap and other entry code, part
of a heroic effort to deobfuscate a decade old spaghetti asm code
and its C code dependencies (Denys Vlasenko, Andy Lutomirski)
- alternatives code fixes and enhancements (Borislav Petkov)
- simplifications and cleanups to the compat code (Brian Gerst)
- signal handling fixes and new x86 testcases (Andy Lutomirski)
- various other fixes and cleanups
By their nature many of these changes are risky - we tried to test
them well on many different x86 systems (there are no known
regressions), and they are split up finely to help bisection - but
there's still a fair bit of residual risk left so caveat emptor"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (148 commits)
perf/x86/64: Report regs_user->ax too in get_regs_user()
perf/x86/64: Simplify regs_user->abi setting code in get_regs_user()
perf/x86/64: Do report user_regs->cx while we are in syscall, in get_regs_user()
perf/x86/64: Do not guess user_regs->cs, ss, sp in get_regs_user()
x86/asm/entry/32: Tidy up JNZ instructions after TESTs
x86/asm/entry/64: Reduce padding in execve stubs
x86/asm/entry/64: Remove GET_THREAD_INFO() in ret_from_fork
x86/asm/entry/64: Simplify jumps in ret_from_fork
x86/asm/entry/64: Remove a redundant jump
x86/asm/entry/64: Optimize [v]fork/clone stubs
x86/asm/entry: Zero EXTRA_REGS for stub32_execve() too
x86/asm/entry/64: Move stub_x32_execvecloser() to stub_execveat()
x86/asm/entry/64: Use common code for rt_sigreturn() epilogue
x86/asm/entry/64: Add forgotten CFI annotation
x86/asm/entry/irq: Simplify interrupt dispatch table (IDT) layout
x86/asm/entry/64: Move opportunistic sysret code to syscall code path
x86, selftests: Add sigreturn selftest
x86/alternatives: Guard NOPs optimization
x86/asm/entry: Clear EXTRA_REGS for all executable formats
x86/signal: Remove pax argument from restore_sigcontext
...
Pull timer updates from Ingo Molnar:
"The main changes in this cycle were:
- clockevents state machine cleanups and enhancements (Viresh Kumar)
- clockevents broadcast notifier horror to state machine conversion
and related cleanups (Thomas Gleixner, Rafael J Wysocki)
- clocksource and timekeeping core updates (John Stultz)
- clocksource driver updates and fixes (Ben Dooks, Dmitry Osipenko,
Hans de Goede, Laurent Pinchart, Maxime Ripard, Xunlei Pang)
- y2038 fixes (Xunlei Pang, John Stultz)
- NMI-safe ktime_get_raw_fast() and general refactoring of the clock
code, in preparation to perf's per event clock ID support (Peter
Zijlstra)
- generic sched/clock fixes, optimizations and cleanups (Daniel
Thompson)
- clockevents cpu_down() race fix (Preeti U Murthy)"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (94 commits)
timers/PM: Drop unnecessary braces from tick_freeze()
timers/PM: Fix up tick_unfreeze()
timekeeping: Get rid of stale comment
clockevents: Cleanup dead cpu explicitely
clockevents: Make tick handover explicit
clockevents: Remove broadcast oneshot control leftovers
sched/idle: Use explicit broadcast oneshot control function
ARM: Tegra: Use explicit broadcast oneshot control function
ARM: OMAP: Use explicit broadcast oneshot control function
intel_idle: Use explicit broadcast oneshot control function
ACPI/idle: Use explicit broadcast control function
ACPI/PAD: Use explicit broadcast oneshot control function
x86/amd/idle, clockevents: Use explicit broadcast oneshot control functions
clockevents: Provide explicit broadcast oneshot control functions
clockevents: Remove the broadcast control leftovers
ARM: OMAP: Use explicit broadcast control function
intel_idle: Use explicit broadcast control function
cpuidle: Use explicit broadcast control function
ACPI/processor: Use explicit broadcast control function
ACPI/PAD: Use explicit broadcast control function
...
Pull scheduler changes from Ingo Molnar:
"Major changes:
- Reworked CPU capacity code, for better SMP load balancing on
systems with assymetric CPUs. (Vincent Guittot, Morten Rasmussen)
- Reworked RT task SMP balancing to be push based instead of pull
based, to reduce latencies on large CPU count systems. (Steven
Rostedt)
- SCHED_DEADLINE support updates and fixes. (Juri Lelli)
- SCHED_DEADLINE task migration support during CPU hotplug. (Wanpeng Li)
- x86 mwait-idle optimizations and fixes. (Mike Galbraith, Len Brown)
- sched/numa improvements. (Rik van Riel)
- various cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (28 commits)
sched/core: Drop debugging leftover trace_printk call
sched/deadline: Support DL task migration during CPU hotplug
sched/core: Check for available DL bandwidth in cpuset_cpu_inactive()
sched/deadline: Always enqueue on previous rq when dl_task_timer() fires
sched/core: Remove unused argument from init_[rt|dl]_rq()
sched/deadline: Fix rt runtime corruption when dl fails its global constraints
sched/deadline: Avoid a superfluous check
sched: Improve load balancing in the presence of idle CPUs
sched: Optimize freq invariant accounting
sched: Move CFS tasks to CPUs with higher capacity
sched: Add SD_PREFER_SIBLING for SMT level
sched: Remove unused struct sched_group_capacity::capacity_orig
sched: Replace capacity_factor by usage
sched: Calculate CPU's usage statistic and put it into struct sg_lb_stats::group_usage
sched: Add struct rq::cpu_capacity_orig
sched: Make scale_rt invariant with frequency
sched: Make sched entity usage tracking scale-invariant
sched: Remove frequency scaling from cpu_capacity
sched: Track group sched_entity usage contributions
sched: Add sched_avg::utilization_avg_contrib
...
Pull core locking changes from Ingo Molnar:
"Main changes:
- jump label asm preparatory work for PowerPC (Anton Blanchard)
- rwsem optimizations and cleanups (Davidlohr Bueso)
- mutex optimizations and cleanups (Jason Low)
- futex fix (Oleg Nesterov)
- remove broken atomicity checks from {READ,WRITE}_ONCE() (Peter
Zijlstra)"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
powerpc, jump_label: Include linux/jump_label.h to get HAVE_JUMP_LABEL define
jump_label: Allow jump labels to be used in assembly
jump_label: Allow asm/jump_label.h to be included in assembly
locking/mutex: Further simplify mutex_spin_on_owner()
locking: Remove atomicy checks from {READ,WRITE}_ONCE
locking/rtmutex: Rename argument in the rt_mutex_adjust_prio_chain() documentation as well
locking/rwsem: Fix lock optimistic spinning when owner is not running
locking: Remove ACCESS_ONCE() usage
locking/rwsem: Check for active lock before bailing on spinning
locking/rwsem: Avoid deceiving lock spinners
locking/rwsem: Set lock ownership ASAP
locking/rwsem: Document barrier need when waking tasks
locking/futex: Check PF_KTHREAD rather than !p->mm to filter out kthreads
locking/mutex: Refactor mutex_spin_on_owner()
locking/mutex: In mutex_spin_on_owner(), return true when owner changes
Pull EFI update from Ingo Molnar:
"This tree includes various fixes, cleanups, a new efi=debug boot
option and EFI boot stub memory allocation optimizations"
* 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: Retrieve FDT size when loaded from UEFI config table
efi: Clean up the efi_call_phys_[prolog|epilog]() save/restore interaction
efi: Disable interrupts around EFI calls, not in the epilog/prolog calls
x86/efi: Add a "debug" option to the efi= cmdline
firmware: dmi_scan: Use direct access to static vars
firmware: dmi_scan: Use full dmi version for SMBIOS3
Revert recent change which broke IO accounting.
Fix bug with RAID0 arrays with non-power-of-2 chunk size.
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Merge tag 'md/4.0-rc7-fix' of git://neil.brown.name/md
Pull md fixes from Neil Brown:
"Two regression fixes for md, one fairly recent and minor (diskstats
has confusing data) and one older and more serious - RAID0 with
non-power-of-2 chunksize corrupts data.
I guess (almost) no-one uses non-power-of-2 chunks.
Summary:
- Revert recent change which broke IO accounting.
- Fix bug with RAID0 arrays with non-power-of-2 chunk size"
* tag 'md/4.0-rc7-fix' of git://neil.brown.name/md:
md/raid0: fix bug with chunksize not a power of 2.
md: fix md io stats accounting broken
Almost all arches define ELF_ET_DYN_BASE as 2/3 of TASK_SIZE.
Though it seems that some architectures do this in a wrong way.
The problem is that 2*TASK_SIZE may overflow 32-bits so
the real ELF_ET_DYN_BASE becomes wrong.
Fix this overflow by dividing TASK_SIZE prior to multiplying:
(TASK_SIZE / 3 * 2)
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
ARM/ARM64: fixes for live migration, irqfd and ioeventfd support (enabling
vhost, too), page aging
s390: interrupt handling rework, allowing to inject all local interrupts
via new ioctl and to get/set the full local irq state for migration
and introspection. New ioctls to access memory by virtual address,
and to get/set the guest storage keys. SIMD support.
MIPS: FPU and MIPS SIMD Architecture (MSA) support. Includes some patches
from Ralf Baechle's MIPS tree.
x86: bugfixes (notably for pvclock, the others are small) and cleanups.
Another small latency improvement for the TSC deadline timer.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"First batch of KVM changes for 4.1
The most interesting bit here is irqfd/ioeventfd support for ARM and
ARM64.
Summary:
ARM/ARM64:
fixes for live migration, irqfd and ioeventfd support (enabling
vhost, too), page aging
s390:
interrupt handling rework, allowing to inject all local interrupts
via new ioctl and to get/set the full local irq state for migration
and introspection. New ioctls to access memory by virtual address,
and to get/set the guest storage keys. SIMD support.
MIPS:
FPU and MIPS SIMD Architecture (MSA) support. Includes some
patches from Ralf Baechle's MIPS tree.
x86:
bugfixes (notably for pvclock, the others are small) and cleanups.
Another small latency improvement for the TSC deadline timer"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (146 commits)
KVM: use slowpath for cross page cached accesses
kvm: mmu: lazy collapse small sptes into large sptes
KVM: x86: Clear CR2 on VCPU reset
KVM: x86: DR0-DR3 are not clear on reset
KVM: x86: BSP in MSR_IA32_APICBASE is writable
KVM: x86: simplify kvm_apic_map
KVM: x86: avoid logical_map when it is invalid
KVM: x86: fix mixed APIC mode broadcast
KVM: x86: use MDA for interrupt matching
kvm/ppc/mpic: drop unused IRQ_testbit
KVM: nVMX: remove unnecessary double caching of MAXPHYADDR
KVM: nVMX: checks for address bits beyond MAXPHYADDR on VM-entry
KVM: x86: cache maxphyaddr CPUID leaf in struct kvm_vcpu
KVM: vmx: pass error code with internal error #2
x86: vdso: fix pvclock races with task migration
KVM: remove kvm_read_hva and kvm_read_hva_atomic
KVM: x86: optimize delivery of TSC deadline timer interrupt
KVM: x86: extract blocking logic from __vcpu_run
kvm: x86: fix x86 eflags fixed bit
KVM: s390: migrate vcpu interrupt state
...
This update adds install and packaging tools developed on top
of back-end shared logic enhancemnets to run and install tests.
In addition several timer tests are added.
- New timer tests from John Stultz
- rtc test from Prarit Bhargava
- Enhancements to un and install tests from Michael Ellerman
- Install and packaging tools from Shuah Khan
- Cross-compilation enablement from Tyler Baker
- A couple of bug fixes.
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Merge tag 'linux-kselftest-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"This is a milestone update in a sense. Several new tests and install
and packaging support is added in this update.
This update adds install and packaging tools developed on top of
back-end shared logic enhancemnets to run and install tests. In
addition several timer tests are added.
- New timer tests from John Stultz
- rtc test from Prarit Bhargava
- Enhancements to un and install tests from Michael Ellerman
- Install and packaging tools from Shuah Khan
- Cross-compilation enablement from Tyler Baker
- A couple of bug fixes"
* tag 'linux-kselftest-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (42 commits)
ftracetest: Do not use usleep directly
selftest/mqueue: enable cross compilation
selftest/ipc: enable cross compilation
selftest/memfd: include default header install path
selftest/mount: enable cross compilation
selftest/memfd: enable cross compilation
kselftests: timers: Make set-timer-lat fail more gracefully for !CAP_WAKE_ALARM
selftests: Change memory on-off-test.sh name to be unique
selftests: change cpu on-off-test.sh name to be unique
selftests/mount: Make git ignore all binaries in mount test suite
kselftests: timers: Reduce default runtime on inconsistency-check and set-timer-lat
ftracetest: Convert exit -1 to exit $FAIL
ftracetest: Cope properly with stack tracer not being enabled
tools, update rtctest.c to verify passage of time
Documentation, split up rtc.txt into documentation and test file
selftests: Add tool to generate kselftest tar archive
selftests: Add kselftest install tool
selftests: Set CC using CROSS_COMPILE once in lib.mk
selftests: Add install support for the powerpc tests
selftests/timers: Use shared logic to run and install tests
...
pwm_config() must be called with a duty cycle of 0 prior to calling
pwm_disable() to ensure that the pwm signal is set to low.
Reported-by: Markus Reichl <m.reichl@fivetechno.de>
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Pull vfs and fs fixes from Al Viro:
"Several AIO and OCFS2 fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ocfs2: _really_ sync the right range
ocfs2_file_write_iter: keep return value and current position update in sync
[regression] ocfs2: do *not* increment ->ki_pos twice
ioctx_alloc(): fix vma (and file) leak on failure
fix mremap() vs. ioctx_kill() race
Pull last minute thermal-SoC management fixes from Eduardo Valentin:
"Specifics:
- Minor fixes on ST and RCAR thermal drivers.
- Avoid flooding kernel log when driver returns -EAGAIN.
Note: I am sending this pull on Rui's behalf while he fixes issues in
his Linux box"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
drivers: thermal: st: remove several sparse warnings
thermal: constify of_device_id array
thermal: Do not log an error if thermal_zone_get_temp returns -EAGAIN
thermal: rcar: Fix typo in r8a73a4 SoC name
This patch backs out a change that came in during the merge window which
selects a configuration for GPIO4 on pcm512x CODECs that may not be
suitable for all systems using the device. Changes for v4.1 will make
this properly configurable but for now it's safest to revert to the
v3.19 behaviour and leave the pin configuration alone.
Sorry for sending this direct at the last minute but due to the GPIO
misuse it'd be really good to get it in the release and I'd not realised
it hadn't been sent yet - between some travel, a job change and other
non-urgent fixes coming in I'd lost track of the urgency. It's been in
-next for several weeks now, is isolated to the driver and fairly clear
to inspection.
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Merge tag 'asoc-fix-v4.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound
Pull last-minute ASoC fix from Mark Brown:
"This patch backs out a change that came in during the merge window
which selects a configuration for GPIO4 on pcm512x CODECs that may not
be suitable for all systems using the device. Changes for v4.1 will
make this properly configurable but for now it's safest to revert to
the v3.19 behaviour and leave the pin configuration alone.
Sorry for sending this direct at the last minute but due to the GPIO
misuse it'd be really good to get it in the release and I'd not
realised it hadn't been sent yet - between some travel, a job change
and other non-urgent fixes coming in I'd lost track of the urgency.
It's been in -next for several weeks now, is isolated to the driver
and fairly clear to inspection"
* tag 'asoc-fix-v4.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound:
ASoC: pcm512x: Remove hardcoding of pll-lock to GPIO4
Currently GPIO4 is hardcoded to output the pll-lock signal.
Unfortunately this is after the pll-out GPIO is configured which
is selectable in the device tree. Therefore it is not possible to
use GPIO4 for pll-out. Therefore this patch removes the
configuration of GPIO4.
Signed-off-by: Howard Mitchell <hm@hmbedded.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>
This reverts commit ecc19d1786.
It added a new warning to try to encourage driver writers to set the
device capabities properly, but drivers haven't been updated and in the
meantime it just generaters a scary message that users cannot actually
do anything about.
Warnings like these are appropriate if you actually expect to fix the
code that causes them. They are not appropriate for releases.
Requested-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds