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Author SHA1 Message Date
Linus Torvalds
139351f1f9 Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 
Pull overlayfs updates from Miklos Szeredi:
 "This work from Amir adds NFS export capability to overlayfs. NFS
  exporting an overlay filesystem is a challange because we want to keep
  track of any copy-up of a file or directory between encoding the file
  handle and decoding it.

  This is achieved by indexing copied up objects by lower layer file
  handle. The index is already used for hard links, this patchset
  extends the use to NFS file handle decoding"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (51 commits)
  ovl: check ERR_PTR() return value from ovl_encode_fh()
  ovl: fix regression in fsnotify of overlay merge dir
  ovl: wire up NFS export operations
  ovl: lookup indexed ancestor of lower dir
  ovl: lookup connected ancestor of dir in inode cache
  ovl: hash non-indexed dir by upper inode for NFS export
  ovl: decode pure lower dir file handles
  ovl: decode indexed dir file handles
  ovl: decode lower file handles of unlinked but open files
  ovl: decode indexed non-dir file handles
  ovl: decode lower non-dir file handles
  ovl: encode lower file handles
  ovl: copy up before encoding non-connectable dir file handle
  ovl: encode non-indexed upper file handles
  ovl: decode connected upper dir file handles
  ovl: decode pure upper file handles
  ovl: encode pure upper file handles
  ovl: document NFS export
  vfs: factor out helpers d_instantiate_anon() and d_alloc_anon()
  ovl: store 'has_upper' and 'opaque' as bit flags
  ...
 2018-02-05 13:05:20 -08:00
Linus Torvalds
20f9aa2213 pwm: Changes for v4.16-rc1 
The Meson PWM controller driver gains support for the AXG series and a
 minor bug is fixed for the STMPE driver.
 
 To round things off, the class is now set for PWM channels exported via
 sysfs which allows non-root access, provided that the system has been
 configured accordingly.
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Merge tag 'pwm/for-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "The Meson PWM controller driver gains support for the AXG series and a
  minor bug is fixed for the STMPE driver.

  To round things off, the class is now set for PWM channels exported
  via sysfs which allows non-root access, provided that the system has
  been configured accordingly"

* tag 'pwm/for-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: meson: Add clock source configuration for Meson-AXG
  dt-bindings: pwm: Update bindings for the Meson-AXG
  pwm: stmpe: Fix wrong register offset for hwpwm=2 case
  pwm: Set class for exported channels in sysfs
 2018-02-05 09:44:52 -08:00
Linus Torvalds
35277995e1 Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull spectre/meltdown updates from Thomas Gleixner:
 "The next round of updates related to melted spectrum:

   - The initial set of spectre V1 mitigations:

       - Array index speculation blocker and its usage for syscall,
         fdtable and the n180211 driver.

       - Speculation barrier and its usage in user access functions

   - Make indirect calls in KVM speculation safe

   - Blacklisting of known to be broken microcodes so IPBP/IBSR are not
     touched.

   - The initial IBPB support and its usage in context switch

   - The exposure of the new speculation MSRs to KVM guests.

   - A fix for a regression in x86/32 related to the cpu entry area

   - Proper whitelisting for known to be safe CPUs from the mitigations.

   - objtool fixes to deal proper with retpolines and alternatives

   - Exclude __init functions from retpolines which speeds up the boot
     process.

   - Removal of the syscall64 fast path and related cleanups and
     simplifications

   - Removal of the unpatched paravirt mode which is yet another source
     of indirect unproteced calls.

   - A new and undisputed version of the module mismatch warning

   - A couple of cleanup and correctness fixes all over the place

  Yet another step towards full mitigation. There are a few things still
  missing like the RBS underflow mitigation for Skylake and other small
  details, but that's being worked on.

  That said, I'm taking a belated christmas vacation for a week and hope
  that everything is magically solved when I'm back on Feb 12th"

* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
  KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
  KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
  KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
  KVM/x86: Add IBPB support
  KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX
  x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
  x86/pti: Mark constant arrays as __initconst
  x86/spectre: Simplify spectre_v2 command line parsing
  x86/retpoline: Avoid retpolines for built-in __init functions
  x86/kvm: Update spectre-v1 mitigation
  KVM: VMX: make MSR bitmaps per-VCPU
  x86/paravirt: Remove 'noreplace-paravirt' cmdline option
  x86/speculation: Use Indirect Branch Prediction Barrier in context switch
  x86/cpuid: Fix up "virtual" IBRS/IBPB/STIBP feature bits on Intel
  x86/spectre: Fix spelling mistake: "vunerable"-> "vulnerable"
  x86/spectre: Report get_user mitigation for spectre_v1
  nl80211: Sanitize array index in parse_txq_params
  vfs, fdtable: Prevent bounds-check bypass via speculative execution
  x86/syscall: Sanitize syscall table de-references under speculation
  x86/get_user: Use pointer masking to limit speculation
  ...
 2018-02-04 11:45:55 -08:00
Linus Torvalds
8ac4840a3c Misc driver changes only : 
- TI-MsgMgr: Fix print format for a printk
 - TI-MSgMgr: SPDX license switch for the driver
 - QCOM-IPC: Convert driver to use regmap
 - QCOM-IPC: Spawn sibling clock device from mailbox driver
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Merge tag 'mailbox-v4.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:
 "Misc driver changes only:

   - TI-MsgMgr: Fix print format for a printk

   - TI-MSgMgr: SPDX license switch for the driver

   - QCOM-IPC: Convert driver to use regmap

   - QCOM-IPC: Spawn sibling clock device from mailbox driver"

* tag 'mailbox-v4.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: qcom: Document the APCS clock binding
  mailbox: qcom: Create APCS child device for clock controller
  mailbox: qcom: Convert APCS IPC driver to use regmap
  mailbox: ti-msgmgr: Use %zu for size_t print format
  mailbox: ti-msgmgr: Switch to SPDX Licensing
 2018-02-04 11:11:23 -08:00
Linus Torvalds
4141cf676b Merge branch 'i2c/for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 
Pull i2c updates from Wolfram Sang:
 "I2C has the following changes for you:

   - new flag to mark DMA safe buffers in i2c_msg. Also, some
     infrastructure around it. And docs.

   - huge refactoring of the at24 driver led by the new maintainer
     Bartosz

   - update I2C bus recovery to send STOP after recovery

   - conversion from gpio to gpiod for I2C bus recovery

   - adding a fault-injector to the i2c-gpio driver

   - lots of small driver improvements, and bigger ones to
     i2c-sh_mobile"

* 'i2c/for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (99 commits)
  i2c: mv64xxx: Add myself as maintainer for this driver
  i2c: mv64xxx: Fix clock resource by adding an optional bus clock
  i2c: mv64xxx: Remove useless test before clk_disable_unprepare
  i2c: mxs: use true and false for boolean values
  i2c: meson: update doc description to fix build warnings
  i2c: meson: add configurable divider factors
  dt-bindings: i2c: update documentation for the Meson-AXG
  i2c: imx-lpi2c: add runtime pm support
  i2c: rcar: fix some trivial typos in comments
  i2c: davinci: fix the cpufreq transition
  i2c: rk3x: add proper kerneldoc header
  i2c: rk3x: account for const type of of_device_id.data
  i2c: acorn: remove outdated path from file header
  i2c: acorn: add MODULE_LICENSE tag
  i2c: rcar: implement bus recovery
  i2c: send STOP after successful bus recovery
  i2c: ensure SDA is released in recovery if SDA is controllable
  i2c: add 'set_sda' to bus_recovery_info
  i2c: add identifier in declarations for i2c_bus_recovery
  i2c: make kerneldoc about bus recovery more precise
  ...
 2018-02-04 10:57:43 -08:00
Linus Torvalds
3462ac5703 Refactor support for encrypted symlinks to move common code to fscrypt. 
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Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt

Pull fscrypt updates from Ted Ts'o:
 "Refactor support for encrypted symlinks to move common code to fscrypt"

Ted also points out about the merge:
 "This makes the f2fs symlink code use the fscrypt_encrypt_symlink()
  from the fscrypt tree. This will end up dropping the kzalloc() ->
  f2fs_kzalloc() change, which means the fscrypt-specific allocation
  won't get tested by f2fs's kmalloc error injection system; which is
  fine"

* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt: (26 commits)
  fscrypt: fix build with pre-4.6 gcc versions
  fscrypt: remove 'ci' parameter from fscrypt_put_encryption_info()
  fscrypt: document symlink length restriction
  fscrypt: fix up fscrypt_fname_encrypted_size() for internal use
  fscrypt: define fscrypt_fname_alloc_buffer() to be for presented names
  fscrypt: calculate NUL-padding length in one place only
  fscrypt: move fscrypt_symlink_data to fscrypt_private.h
  fscrypt: remove fscrypt_fname_usr_to_disk()
  ubifs: switch to fscrypt_get_symlink()
  ubifs: switch to fscrypt ->symlink() helper functions
  ubifs: free the encrypted symlink target
  f2fs: switch to fscrypt_get_symlink()
  f2fs: switch to fscrypt ->symlink() helper functions
  ext4: switch to fscrypt_get_symlink()
  ext4: switch to fscrypt ->symlink() helper functions
  fscrypt: new helper function - fscrypt_get_symlink()
  fscrypt: new helper functions for ->symlink()
  fscrypt: trim down fscrypt.h includes
  fscrypt: move fscrypt_is_dot_dotdot() to fs/crypto/fname.c
  fscrypt: move fscrypt_valid_enc_modes() to fscrypt_private.h
  ...
 2018-02-04 10:43:12 -08:00
Georgi Djakov
0ae7d327a6 dt-bindings: mailbox: qcom: Document the APCS clock binding 
Update the binding documentation for APCS to mention that the APCS
hardware block also expose a clock controller functionality.

The APCS clock controller is a mux and half-integer divider. It has the
main CPU PLL as an input and provides the clock for the application CPU.

Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
 2018-02-04 12:16:34 +05:30
Linus Torvalds
23aedc4b9b Only miscellaneous cleanups and bug fixes for ext4 this cycle. 
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Only miscellaneous cleanups and bug fixes for ext4 this cycle"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: create ext4_kset dynamically
  ext4: create ext4_feat kobject dynamically
  ext4: release kobject/kset even when init/register fail
  ext4: fix incorrect indentation of if statement
  ext4: correct documentation for grpid mount option
  ext4: use 'sbi' instead of 'EXT4_SB(sb)'
  ext4: save error to disk in __ext4_grp_locked_error()
  jbd2: fix sphinx kernel-doc build warnings
  ext4: fix a race in the ext4 shutdown path
  mbcache: make sure c_entry_count is not decremented past zero
  ext4: no need flush workqueue before destroying it
  ext4: fixed alignment and minor code cleanup in ext4.h
  ext4: fix ENOSPC handling in DAX page fault handler
  dax: pass detailed error code from dax_iomap_fault()
  mbcache: revert "fs/mbcache.c: make count_objects() more robust"
  mbcache: initialize entry->e_referenced in mb_cache_entry_create()
  ext4: fix up remaining files with SPDX cleanups
 2018-02-03 13:49:22 -08:00
Linus Torvalds
ef991796be This is the bulk of pin control changes for the v4.16 kernel cycle: 
Core changes:
 
 - After lengthy discussions and partly due to my ignorance, we have
   merged a patch making pinctrl_force_default() and pinctrl_force_sleep()
   reprogram the states into the hardware of any hogged pins, even
   if they are already in the desired state. This only apply to hogged
   pins since groups of pins owned by drivers need to be managed by
   each driver, lest they could not do things like runtime PM and
   put pins to sleeping state even if the system as a whole is not
   in sleep.
 
 New drivers:
 
 - New driver for the Microsemi Ocelot SoC. This is used in ethernet
   switches.
 
 - The X-Powers AXP209 GPIO driver was extended to also deal with pin
   control and moved over from the GPIO subsystem. This circuit is
   a mixed-mode integrated circuit which is part of AllWinner designs.
 
 - New subdriver for the Qualcomm MSM8998 SoC, core of a high end
   mobile devices (phones) chipset.
 
 - New subdriver for the ST Microelectronics STM32MP157 MPU and
   STM32F769 MCU from the STM32 family.
 
 - New subdriver for the MediaTek MT7622 SoC. This is used for routers,
   repeater, gateways and such network infrastructure.
 
 - New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC has
   multimedia features and target "smart devices", I guess in-car
   entertainment, in-flight entertainment, industrial control panels etc.
 
 General improvements:
 
 - Incremental improvements on the SH-PFC subdrivers for things like
   the CAN bus.
 
 - Enable the glitch filter on Baytrail GPIOs used for interrupts.
 
 - Proper handling of pins to GPIO ranges on the Semtec SX150X
 
 - An IRQ setup ordering fix on MCP23S08.
 
 - A good set of janitorial coding style fixes.
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Merge tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v4.16 kernel cycle.
  Like with GPIO it is actually a bit calm this time.

  Core changes:

   - After lengthy discussions and partly due to my ignorance, we have
     merged a patch making pinctrl_force_default() and
     pinctrl_force_sleep() reprogram the states into the hardware of any
     hogged pins, even if they are already in the desired state.

     This only apply to hogged pins since groups of pins owned by
     drivers need to be managed by each driver, lest they could not do
     things like runtime PM and put pins to sleeping state even if the
     system as a whole is not in sleep.

  New drivers:

   - New driver for the Microsemi Ocelot SoC. This is used in ethernet
     switches.

   - The X-Powers AXP209 GPIO driver was extended to also deal with pin
     control and moved over from the GPIO subsystem. This circuit is a
     mixed-mode integrated circuit which is part of AllWinner designs.

   - New subdriver for the Qualcomm MSM8998 SoC, core of a high end
     mobile devices (phones) chipset.

   - New subdriver for the ST Microelectronics STM32MP157 MPU and
     STM32F769 MCU from the STM32 family.

   - New subdriver for the MediaTek MT7622 SoC. This is used for
     routers, repeater, gateways and such network infrastructure.

   - New subdriver for the NXP (former Freescale) i.MX 6ULL. This SoC
     has multimedia features and target "smart devices", I guess in-car
     entertainment, in-flight entertainment, industrial control panels
     etc.

  General improvements:

   - Incremental improvements on the SH-PFC subdrivers for things like
     the CAN bus.

   - Enable the glitch filter on Baytrail GPIOs used for interrupts.

   - Proper handling of pins to GPIO ranges on the Semtec SX150X

   - An IRQ setup ordering fix on MCP23S08.

   - A good set of janitorial coding style fixes"

* tag 'pinctrl-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (102 commits)
  pinctrl: mcp23s08: fix irq setup order
  pinctrl: Forward declare struct device
  pinctrl: sunxi: Use of_clk_get_parent_count() instead of open coding
  pinctrl: stm32: add STM32F769 MCU support
  pinctrl: sx150x: Add a static gpio/pinctrl pin range mapping
  pinctrl: sx150x: Register pinctrl before adding the gpiochip
  pinctrl: sx150x: Unregister the pinctrl on release
  pinctrl: ingenic: Remove redundant dev_err call in ingenic_pinctrl_probe()
  pinctrl: sprd: Use seq_putc() in sprd_pinconf_group_dbg_show()
  pinctrl: pinmux: Use seq_putc() in pinmux_pins_show()
  pinctrl: abx500: Use seq_putc() in abx500_gpio_dbg_show()
  pinctrl: mediatek: mt7622: align error handling of mtk_hw_get_value call
  pinctrl: mediatek: mt7622: fix potential uninitialized value being returned
  pinctrl: uniphier: refactor drive strength get/set functions
  pinctrl: imx7ulp: constify struct imx_cfg_params_decode
  pinctrl: imx: constify struct imx_pinctrl_soc_info
  pinctrl: imx7d: simplify imx7d_pinctrl_probe
  pinctrl: imx: use struct imx_pinctrl_soc_info as a const
  pinctrl: sunxi-pinctrl: fix pin funtion can not be match correctly.
  pinctrl: qcom: Add msm8998 pinctrl driver
  ...
 2018-02-02 14:22:53 -08:00
Linus Torvalds
bf644990a7 RTC for 4.16 
Subsystem:
  - Move ABI documentation to Documentation/ABI
 
 New driver:
  - NXP i.MX53 SRTC
  - Chrome OS EC RTC
 
 Drivers:
  - Remove at32ap700x
  - Many fixes in various error paths
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Merge tag 'rtc-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Not much this cycle. I've pushed the at32ap700x removal late but it is
  unlikely to cause any issues.

  Summary:

  Subsystem:
   - Move ABI documentation to Documentation/ABI

  New driver:
   - NXP i.MX53 SRTC
   - Chrome OS EC RTC

  Drivers:
   - Remove at32ap700x
   - Many fixes in various error paths"

* tag 'rtc-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: remove rtc-at32ap700x
  Documentation: rtc: move iotcl interface documentation to ABI
  Documentation: rtc: add sysfs file permissions
  Documentation: rtc: move sysfs documentation to ABI
  rtc: mxc_v2: remove __exit annotation
  rtc: mxc_v2: Remove unnecessary platform_get_resource() error check
  rtc: add mxc driver for i.MX53 SRTC
  dt-bindings: rtc: add bindings for i.MX53 SRTC
  rtc: r7301: Fix a possible sleep-in-atomic bug in rtc7301_set_time
  rtc: r7301: Fix a possible sleep-in-atomic bug in rtc7301_read_time
  rtc: omap: fix unbalanced clk_prepare_enable/clk_disable_unprepare
  rtc: ac100: Fix multiple race conditions
  rtc: sun6i: ensure rtc is kfree'd on error
  rtc: cros-ec: add cros-ec-rtc driver.
  mfd: cros_ec: Introduce RTC commands and events definitions.
  rtc: stm32: Fix copyright
  rtc: Remove unused RTC_DEVICE_NAME_SIZE
  rtc: r9701: Remove r9701_remove function
  rtc: brcmstb-waketimer: fix error handling in brcmstb_waketmr_probe()
 2018-02-02 14:19:19 -08:00
Linus Torvalds
03f51d4efa powerpc updates for 4.16 
Highlights:
 
  - Enable support for memory protection keys aka "pkeys" on Power7/8/9 when
    using the hash table MMU.
 
  - Extend our interrupt soft masking to support masking PMU interrupts as well
    as "normal" interrupts, and then use that to implement local_t for a ~4x
    speedup vs the current atomics-based implementation.
 
  - A new driver "ocxl" for "Open Coherent Accelerator Processor Interface
    (OpenCAPI)" devices.
 
  - Support for new device tree properties on PowerVM to describe hotpluggable
    memory and devices.
 
  - Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit VDSO.
 
  - Freescale updates from Scott:
      "Contains fixes for CPM GPIO and an FSL PCI erratum workaround, plus a
       minor cleanup patch."
 
 As well as quite a lot of other changes all over the place, and small fixes and
 cleanups as always.
 
 Thanks to:
   Alan Modra, Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple, Andreas
   Schwab, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman
   Khandual, Anton Blanchard, Arnd Bergmann, Balbir Singh, Benjamin
   Herrenschmidt, Bhaktipriya Shridhar, Bryant G. Ly, Cédric Le Goater,
   Christophe Leroy, Christophe Lombard, Cyril Bur, David Gibson, Desnes A. Nunes
   do Rosario, Dmitry Torokhov, Frederic Barrat, Geert Uytterhoeven, Guilherme G.
   Piccoli, Gustavo A. R. Silva, Gustavo Romero, Ivan Mikhaylov, Joakim
   Tjernlund, Joe Perches, Josh Poimboeuf, Juan J. Alvarez, Julia Cartwright,
   Kamalesh Babulal, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre,
   Michael Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
   Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud, Ram Pai,
   Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee, Simon Guo, Stewart
   Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann, Vaibhav Jain, Vasyl
   Gomonovych.
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Merge tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights:

   - Enable support for memory protection keys aka "pkeys" on Power7/8/9
     when using the hash table MMU.

   - Extend our interrupt soft masking to support masking PMU interrupts
     as well as "normal" interrupts, and then use that to implement
     local_t for a ~4x speedup vs the current atomics-based
     implementation.

   - A new driver "ocxl" for "Open Coherent Accelerator Processor
     Interface (OpenCAPI)" devices.

   - Support for new device tree properties on PowerVM to describe
     hotpluggable memory and devices.

   - Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit
     VDSO.

   - Freescale updates from Scott: fixes for CPM GPIO and an FSL PCI
     erratum workaround, plus a minor cleanup patch.

  As well as quite a lot of other changes all over the place, and small
  fixes and cleanups as always.

  Thanks to: Alan Modra, Alastair D'Silva, Alexey Kardashevskiy,
  Alistair Popple, Andreas Schwab, Andrew Donnellan, Aneesh Kumar K.V,
  Anju T Sudhakar, Anshuman Khandual, Anton Blanchard, Arnd Bergmann,
  Balbir Singh, Benjamin Herrenschmidt, Bhaktipriya Shridhar, Bryant G.
  Ly, Cédric Le Goater, Christophe Leroy, Christophe Lombard, Cyril Bur,
  David Gibson, Desnes A. Nunes do Rosario, Dmitry Torokhov, Frederic
  Barrat, Geert Uytterhoeven, Guilherme G. Piccoli, Gustavo A. R. Silva,
  Gustavo Romero, Ivan Mikhaylov, Joakim Tjernlund, Joe Perches, Josh
  Poimboeuf, Juan J. Alvarez, Julia Cartwright, Kamalesh Babulal,
  Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
  Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
  Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud,
  Ram Pai, Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee,
  Simon Guo, Stewart Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann,
  Vaibhav Jain, Vasyl Gomonovych"

* tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (199 commits)
  powerpc/mm/radix: Fix build error when RADIX_MMU=n
  macintosh/ams-input: Use true and false for boolean values
  macintosh: change some data types from int to bool
  powerpc/watchdog: Print the NIP in soft_nmi_interrupt()
  powerpc/watchdog: regs can't be null in soft_nmi_interrupt()
  powerpc/watchdog: Tweak watchdog printks
  powerpc/cell: Remove axonram driver
  rtc-opal: Fix handling of firmware error codes, prevent busy loops
  powerpc/mpc52xx_gpt: make use of raw_spinlock variants
  macintosh/adb: Properly mark continued kernel messages
  powerpc/pseries: Fix cpu hotplug crash with memoryless nodes
  powerpc/numa: Ensure nodes initialized for hotplug
  powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
  powerpc/kernel: Block interrupts when updating TIDR
  powerpc/powernv/idoa: Remove unnecessary pcidev from pci_dn
  powerpc/mm/nohash: do not flush the entire mm when range is a single page
  powerpc/pseries: Add Initialization of VF Bars
  powerpc/pseries/pci: Associate PEs to VFs in configure SR-IOV
  powerpc/eeh: Add EEH notify resume sysfs
  powerpc/eeh: Add EEH operations to notify resume
  ...
 2018-02-02 10:01:04 -08:00
Linus Torvalds
4bf772b146 drm/graphics pull request for v4.16-rc1 
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Merge tag 'drm-for-v4.16' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This seems to have been a comparatively quieter merge window, I assume
  due to holidays etc. The "biggest" change is AMD header cleanups, which
  merge/remove a bunch of them. The AMD gpu scheduler is now being made generic
  with the etnaviv driver wanting to reuse the code, hopefully other drivers
  can go in the same direction.

  Otherwise it's the usual lots of stuff in i915/amdgpu, not so much stuff
  elsewhere.

  Core:
   - Add .last_close and .output_poll_changed helpers to reduce driver footprints
   - Fix plane clipping
   - Improved debug printing support
   - Add panel orientation property
   - Update edid derived properties at edid setting
   - Reduction in fbdev driver footprint
   - Move amdgpu scheduler into core for other drivers to use.

  i915:
   - Selftest and IGT improvements
   - Fast boot prep work on IPS, pipe config
   - HW workarounds for Cannonlake, Geminilake
   - Cannonlake clock and HDMI2.0 fixes
   - GPU cache invalidation and context switch improvements
   - Display planes cleanup
   - New PMU interface for perf queries
   - New firmware support for KBL/SKL
   - Geminilake HW workaround for perforamce
   - Coffeelake stolen memory improvements
   - GPU reset robustness work
   - Cannonlake horizontal plane flipping
   - GVT work

  amdgpu/radeon:
   - RV and Vega header file cleanups (lots of lines gone!)
   - TTM operation context support
   - 48-bit GPUVM support for Vega/RV
   - ECC support for Vega
   - Resizeable BAR support
   - Multi-display sync support
   - Enable swapout for reserved BOs during allocation
   - S3 fixes on Raven
   - GPU reset cleanup and fixes
   - 2+1 level GPU page table

  amdkfd:
   - GFX7/8 SDMA user queues support
   - Hardware scheduling for multiple processes
   - dGPU prep work

  rcar:
   - Added R8A7743/5 support
   - System suspend/resume support

  sun4i:
   - Multi-plane support for YUV formats
   - A83T and LVDS support

  msm:
   - Devfreq support for GPU

  tegra:
   - Prep work for adding Tegra186 support
   - Tegra186 HDMI support
   - HDMI2.0 and zpos support by using generic helpers

  tilcdc:
   - Misc fixes

  omapdrm:
   - Support memory bandwidth limits
   - DSI command mode panel cleanups
   - DMM error handling

  exynos:
   - drop the old IPP subdriver.

  etnaviv:
   - Occlusion query fixes
   - Job handling fixes
   - Prep work for hooking in gpu scheduler

  armada:
   - Move closer to atomic modesetting
   - Allow disabling primary plane if overlay is full screen

  imx:
   - Format modifier support
   - Add tile prefetch to PRE
   - Runtime PM support for PRG

  ast:
   - fix LUT loading"

* tag 'drm-for-v4.16' of git://people.freedesktop.org/~airlied/linux: (1471 commits)
  drm/ast: Load lut in crtc_commit
  drm: Check for lessee in DROP_MASTER ioctl
  drm: fix gpu scheduler link order
  drm/amd/display: Demote error print to debug print when ATOM impl missing
  dma-buf: fix reservation_object_wait_timeout_rcu once more v2
  drm/amdgpu: Avoid leaking PM domain on driver unbind (v2)
  drm/amd/amdgpu: Add Polaris version check
  drm/amdgpu: Reenable manual GPU reset from sysfs
  drm/amdgpu: disable MMHUB power gating on raven
  drm/ttm: Don't unreserve swapped BOs that were previously reserved
  drm/ttm: Don't add swapped BOs to swap-LRU list
  drm/amdgpu: only check for ECC on Vega10
  drm/amd/powerplay: Fix smu_table_entry.handle type
  drm/ttm: add VADDR_FLAG_UPDATED_COUNT to correctly update dma_page global count
  drm: Fix PANEL_ORIENTATION_QUIRKS breaking the Kconfig DRM menuconfig
  drm/radeon: fill in rb backend map on evergreen/ni.
  drm/amdgpu/gfx9: fix ngg enablement to clear gds reserved memory (v2)
  drm/ttm: only free pages rather than update global memory count together
  drm/amdgpu: fix CPU based VM updates
  drm/amdgpu: fix typo in amdgpu_vce_validate_bo
  ...
 2018-02-01 17:48:47 -08:00
Linus Torvalds
3879ae653a The core framework has a handful of patches this time around, mostly due 
to the clk rate protection support added by Jerome Brunet. This feature
 will allow consumers to lock in a certain rate on the output of a clk so
 that things like audio playback don't hear pops when the clk frequency
 changes due to shared parent clks changing rates. Currently the clk
 API doesn't guarantee the rate of a clk stays at the rate you request
 after clk_set_rate() is called, so this new API will allow drivers
 to express that requirement. Beyond this, the core got some debugfs
 pretty printing patches and a couple minor non-critical fixes.
 
 Looking outside of the core framework diff we have some new driver
 additions and the removal of a legacy TI clk driver. Both of these hit
 high in the dirstat. Also, the removal of the asm-generic/clkdev.h file
 causes small one-liners in all the architecture Kbuild files. Overall, the
 driver diff seems to be the normal stuff that comes all the time to
 fix little problems here and there and to support new hardware.
 
 Core:
  - Clk rate protection
  - Symbolic clk flags in debugfs output
  - Clk registration enabled clks while doing bookkeeping updates
 
 New Drivers:
  - Spreadtrum SC9860
  - HiSilicon hi3660 stub
  - Qualcomm A53 PLL, SPMI clkdiv, and MSM8916 APCS
  - Amlogic Meson-AXG
  - ASPEED BMC
 
 Removed Drivers:
  - TI OMAP 3xxx legacy clk (non-DT) support
  - asm*/clkdev.h got removed (not really a driver)
 
 Updates:
  - Renesas FDP1-0 module clock on R-Car M3-W
  - Renesas LVDS module clock on R-Car V3M
  - Misc fixes to pr_err() prints
  - Qualcomm MSM8916 audio fixes
  - Qualcomm IPQ8074 rounded out support for more peripherals
  - Qualcomm Alpha PLL variants
  - Divider code was using container_of() on bad pointers
  - Allwinner DE2 clks on H3
  - Amlogic minor data fixes and dropping of CLK_IGNORE_UNUSED
  - Mediatek clk driver compile test support
  - AT91 PMC clk suspend/resume restoration support
  - PLL issues fixed on si5351
  - Broadcom IProc PLL calculation updates
  - DVFS support for Armada mvebu CPU clks
  - Allwinner fixed post-divider support
  - TI clkctrl fixes and support for newer SoCs
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The core framework has a handful of patches this time around, mostly
  due to the clk rate protection support added by Jerome Brunet.

  This feature will allow consumers to lock in a certain rate on the
  output of a clk so that things like audio playback don't hear pops
  when the clk frequency changes due to shared parent clks changing
  rates. Currently the clk API doesn't guarantee the rate of a clk stays
  at the rate you request after clk_set_rate() is called, so this new
  API will allow drivers to express that requirement.

  Beyond this, the core got some debugfs pretty printing patches and a
  couple minor non-critical fixes.

  Looking outside of the core framework diff we have some new driver
  additions and the removal of a legacy TI clk driver. Both of these hit
  high in the dirstat. Also, the removal of the asm-generic/clkdev.h
  file causes small one-liners in all the architecture Kbuild files.

  Overall, the driver diff seems to be the normal stuff that comes all
  the time to fix little problems here and there and to support new
  hardware.

  Summary:

  Core:
   - Clk rate protection
   - Symbolic clk flags in debugfs output
   - Clk registration enabled clks while doing bookkeeping updates

  New Drivers:
   - Spreadtrum SC9860
   - HiSilicon hi3660 stub
   - Qualcomm A53 PLL, SPMI clkdiv, and MSM8916 APCS
   - Amlogic Meson-AXG
   - ASPEED BMC

  Removed Drivers:
   - TI OMAP 3xxx legacy clk (non-DT) support
   - asm*/clkdev.h got removed (not really a driver)

  Updates:
   - Renesas FDP1-0 module clock on R-Car M3-W
   - Renesas LVDS module clock on R-Car V3M
   - Misc fixes to pr_err() prints
   - Qualcomm MSM8916 audio fixes
   - Qualcomm IPQ8074 rounded out support for more peripherals
   - Qualcomm Alpha PLL variants
   - Divider code was using container_of() on bad pointers
   - Allwinner DE2 clks on H3
   - Amlogic minor data fixes and dropping of CLK_IGNORE_UNUSED
   - Mediatek clk driver compile test support
   - AT91 PMC clk suspend/resume restoration support
   - PLL issues fixed on si5351
   - Broadcom IProc PLL calculation updates
   - DVFS support for Armada mvebu CPU clks
   - Allwinner fixed post-divider support
   - TI clkctrl fixes and support for newer SoCs"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (125 commits)
  clk: aspeed: Handle inverse polarity of USB port 1 clock gate
  clk: aspeed: Fix return value check in aspeed_cc_init()
  clk: aspeed: Add reset controller
  clk: aspeed: Register gated clocks
  clk: aspeed: Add platform driver and register PLLs
  clk: aspeed: Register core clocks
  clk: Add clock driver for ASPEED BMC SoCs
  clk: mediatek: adjust dependency of reset.c to avoid unexpectedly being built
  clk: fix reentrancy of clk_enable() on UP systems
  clk: meson-axg: fix potential NULL dereference in axg_clkc_probe()
  clk: Simplify debugfs registration
  clk: Fix debugfs_create_*() usage
  clk: Show symbolic clock flags in debugfs
  clk: renesas: r8a7796: Add FDP clock
  clk: Move __clk_{get,put}() into private clk.h API
  clk: sunxi: Use CLK_IS_CRITICAL flag for critical clks
  clk: Improve flags doc for of_clk_detect_critical()
  arch: Remove clkdev.h asm-generic from Kbuild
  clk: sunxi-ng: a83t: Add M divider to TCON1 clock
  clk: Prepare to remove asm-generic/clkdev.h
  ...
 2018-02-01 16:56:07 -08:00
Linus Torvalds
fe53d1443a ARM: SoC driver updates for 4.16 
A number of new drivers get added this time, along with many low-priority
 bugfixes. The most interesting changes by subsystem are:
 
 bus drivers:
   - Updates to the Broadcom bus interface driver to support newer SoC types
   - The TI OMAP sysc driver now supports updated DT bindings
 
 memory controllers:
   - A new driver for Tegra186 gets added
   - A new driver for the ti-emif sram, to allow relocating
     suspend/resume handlers there
 
 SoC specific:
   - A new driver for Qualcomm QMI, the interface to the modem on MSM SoCs
   - A new driver for power domains on the actions S700 SoC
   - A driver for the Xilinx Zynq VCU logicoreIP
 
 reset controllers:
   - A new driver for Amlogic Meson-AGX
   - various bug fixes
 
 tee subsystem:
   - A new user interface got added to enable asynchronous communication
     with the TEE supplicant.
   - A new method of using user space memory for communication with
     the TEE is added
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "A number of new drivers get added this time, along with many
  low-priority bugfixes. The most interesting changes by subsystem are:

  bus drivers:
   - Updates to the Broadcom bus interface driver to support newer SoC
     types
   - The TI OMAP sysc driver now supports updated DT bindings

  memory controllers:
   - A new driver for Tegra186 gets added
   - A new driver for the ti-emif sram, to allow relocating
     suspend/resume handlers there

  SoC specific:
   - A new driver for Qualcomm QMI, the interface to the modem on MSM
     SoCs
   - A new driver for power domains on the actions S700 SoC
   - A driver for the Xilinx Zynq VCU logicoreIP

  reset controllers:
   - A new driver for Amlogic Meson-AGX
   - various bug fixes

  tee subsystem:
   - A new user interface got added to enable asynchronous communication
     with the TEE supplicant.
   - A new method of using user space memory for communication with the
     TEE is added"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (84 commits)
  of: platform: fix OF node refcount leak
  soc: fsl: guts: Add a NULL check for devm_kasprintf()
  bus: ti-sysc: Fix smartreflex sysc mask
  psci: add CPU_IDLE dependency
  soc: xilinx: Fix Kconfig alignment
  soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv
  soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcu
  soc: bcm: brcmstb: Be multi-platform compatible
  soc: brcmstb: biuctrl: exit without warning on non brcmstb platforms
  Revert "soc: brcmstb: Only register SoC device on STB platforms"
  bus: omap: add MODULE_LICENSE tags
  soc: brcmstb: Only register SoC device on STB platforms
  tee: shm: Potential NULL dereference calling tee_shm_register()
  soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP init driver
  dt-bindings: soc: xilinx: Add DT bindings to xlnx_vcu driver
  soc: xilinx: Create folder structure for soc specific drivers
  of: platform: populate /firmware/ node from of_platform_default_populate_init()
  soc: samsung: Add SPDX license identifiers
  soc: qcom: smp2p: Use common error handling code in qcom_smp2p_probe()
  tee: shm: don't put_page on null shm->pages
  ...
 2018-02-01 16:35:31 -08:00
Linus Torvalds
537433b624 ARM: SoC device tree updates for 4.16 
We get a moderate number of new machines this time, and only one
 new SoC variant (Actions S700):
 
 Actions:
   S700 Soc and CubieBoard7 development board
   Allo.com Sparky Single-board-computer
 
 Allwinner:
   Orange Pi R1 development board
   Libre Computer Board ALL-H3-CC H3 single-board computer
 
 ASpeed ast2x00:
    Witherspoon: OpenPower Power9 server manufactured by IBM that uses the ASPEED ast2500
    Zaius: OpenPower Power9 server manufactured by Invatech that uses the ASPEED ast2500
    Q71L: Intel Xeon server manufactured by Qanta that uses the ASPEED ast2400
 
 AT91:
   Axentia Nattis/Natte digital signage
   sama5d2 PTC-ek Evaluation board
 
 Freescale/NXP i.MX:
    SolidRun Humminboard2 development board
    Variscite DART-MX6 SoM and Carrier-board
    Technologic TS-4600 and TS-7970 development board
    Toradex Colibri iMX7D SoM board
    v1.5 variant of Solidrun Cubox-i and Hummingboard
 
 Freescale/NXP Layerscape:
    Moxa UC-8410A Series industrial computer
 
 Gemini:
   D-Link DNS-313 NAS enclosure
 
 OMAP:
   LogicPD OMAP35xx SOM-LV devkit
   LogicPD OMAP35xx Torpedo devkit
 
 Renesas:
   r8a77970 (V3M) Starter Kit board
   r8a7795 (M3-W) Salvator-XS board
 
 We finally managed to get the dtc warnings under control, with no more
 build-time warnings for bad device tree files. This includes fixes for
 the majority of platforms, including nomadik, samsung, lpc32xx, STi,
 spear, mediatek, freescale, qcom, realview, keystone, omap, kirkwood,
 renesas, hisilicon, and broadcom.
 
 Files get rearranged on a few platforms, in particular the Marvell
 Armada 7K/8K device tree files are changed in preparation for future
 SoC support, based on more than two of the same chips in one package,
 and some boards get renamed for oxnas for consistency.
 
 Finally, many existing SoCs gain descriptions for additional on-chip
 devices that we can now support with kernel drivers:
 
   Allwinner A83t (drm, ethernet, i2c, ...), H3/H5 (USB-OTG)
   Amlogic AXG family (clk, pinctrl, pwm, ...), and others (vpu, hdmi)
   Aspeed clk controller support
   Freescale LS1088A, LS1021A device support
   Gemini Ethernet, PCI, TVE, panel
   Keystone gpio, qspi, more uarts
   Mediatek cpufreq, regulator, clock, reset
   Marvell thermal, cpufreq, nand
   Renesas SMP, thermal, timer, PWM, sound, phy, ipmmu
   Rockchip Mipi, GPU, display
   Samsung Exynos5433 PMU, power domain, nfc
   Spreadtrum: sc9860 clocks
   Tegra TX2 PSDI, HDMI, I2C,SMMU, display, fuse, ...
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree updates from Arnd Bergmann:
 "We get a moderate number of new machines this time, and only one new
  SoC variant (Actions S700):

  Actions:
   - S700 Soc and CubieBoard7 development board
   - Allo.com Sparky Single-board-computer

  Allwinner:
   - Orange Pi R1 development board
   - Libre Computer Board ALL-H3-CC H3 single-board computer

  ASpeed ast2x00:
   - Witherspoon: OpenPower Power9 server manufactured by IBM that uses the ASPEED ast2500
   - Zaius: OpenPower Power9 server manufactured by Invatech that uses the ASPEED ast2500
   - Q71L: Intel Xeon server manufactured by Qanta that uses the ASPEED ast2400

  AT91:
   - Axentia Nattis/Natte digital signage
   - sama5d2 PTC-ek Evaluation board

  Freescale/NXP i.MX:
   - SolidRun Humminboard2 development board
   - Variscite DART-MX6 SoM and Carrier-board
   - Technologic TS-4600 and TS-7970 development board
   - Toradex Colibri iMX7D SoM board
   - v1.5 variant of Solidrun Cubox-i and Hummingboard

  Freescale/NXP Layerscape:
   - Moxa UC-8410A Series industrial computer

  Gemini:
   - D-Link DNS-313 NAS enclosure

  OMAP:
   - LogicPD OMAP35xx SOM-LV devkit
   - LogicPD OMAP35xx Torpedo devkit

  Renesas:
   - r8a77970 (V3M) Starter Kit board
   - r8a7795 (M3-W) Salvator-XS board

  We finally managed to get the dtc warnings under control, with no more
  build-time warnings for bad device tree files. This includes fixes for
  the majority of platforms, including nomadik, samsung, lpc32xx, STi,
  spear, mediatek, freescale, qcom, realview, keystone, omap, kirkwood,
  renesas, hisilicon, and broadcom.

  Files get rearranged on a few platforms, in particular the Marvell
  Armada 7K/8K device tree files are changed in preparation for future
  SoC support, based on more than two of the same chips in one package,
  and some boards get renamed for oxnas for consistency.

  Finally, many existing SoCs gain descriptions for additional on-chip
  devices that we can now support with kernel drivers:

   - Allwinner A83t (drm, ethernet, i2c, ...), H3/H5 (USB-OTG)
   - Amlogic AXG family (clk, pinctrl, pwm, ...), and others (vpu, hdmi)
   - Aspeed clk controller support
   - Freescale LS1088A, LS1021A device support
   - Gemini Ethernet, PCI, TVE, panel
   - Keystone gpio, qspi, more uarts
   - Mediatek cpufreq, regulator, clock, reset
   - Marvell thermal, cpufreq, nand
   - Renesas SMP, thermal, timer, PWM, sound, phy, ipmmu
   - Rockchip Mipi, GPU, display
   - Samsung Exynos5433 PMU, power domain, nfc
   - Spreadtrum: sc9860 clocks
   - Tegra TX2 PSDI, HDMI, I2C,SMMU, display, fuse, ..."

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (690 commits)
  arm64: dts: stratix10: fix SPI settings
  ARM: dts: socfpga: add i2c reset signals
  arm64: dts: stratix10: add USB ECC reset bit
  arm64: dts: stratix10: enable USB on the devkit
  ARM: dts: socfpga: disable over-current for Arria10 USB devkit
  ARM: dts: Nokia N9: add support for up/down keys in the dts
  ARM: dts: nomadik: add interrupt-parent for clcd
  ARM: dts: Add ethernet to a bunch of platforms
  ARM: dts: Add ethernet to the Gemini SoC
  ARM: dts: rename oxnas dts files
  ARM: dts: s5pv210: add interrupt-parent for ohci
  ARM: lpc3250: fix uda1380 gpio numbers
  ARM: dts: STi: Add gpio polarity for "hdmi,hpd-gpio" property
  ARM: dts: dra7: Reduce shut down temperature of non-cpu thermal zones
  ARM: dts: n900: Add aliases for lcd and tvout displays
  ARM: dts: Update ti-sysc data for existing users
  ARM: dts: Fix smartreflex compatible for omap3 shared mpu-iva instance
  arm64: dts: marvell: armada-80x0: Fix pinctrl compatible string
  arm: spear13xx: Fix spics gpio controller's warning
  arm: spear13xx: Fix dmas cells
  ...
 2018-02-01 16:07:54 -08:00
Linus Torvalds
ab486bc9a5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk 
Pull printk updates from Petr Mladek:

 - Add a console_msg_format command line option:

     The value "default" keeps the old "[time stamp] text\n" format. The
     value "syslog" allows to see the syslog-like "<log
     level>[timestamp] text" format.

     This feature was requested by people doing regression tests, for
     example, 0day robot. They want to have both filtered and full logs
     at hands.

 - Reduce the risk of softlockup:

     Pass the console owner in a busy loop.

     This is a new approach to the old problem. It was first proposed by
     Steven Rostedt on Kernel Summit 2017. It marks a context in which
     the console_lock owner calls console drivers and could not sleep.
     On the other side, printk() callers could detect this state and use
     a busy wait instead of a simple console_trylock(). Finally, the
     console_lock owner checks if there is a busy waiter at the end of
     the special context and eventually passes the console_lock to the
     waiter.

     The hand-off works surprisingly well and helps in many situations.
     Well, there is still a possibility of the softlockup, for example,
     when the flood of messages stops and the last owner still has too
     much to flush.

     There is increasing number of people having problems with
     printk-related softlockups. We might eventually need to get better
     solution. Anyway, this looks like a good start and promising
     direction.

 - Do not allow to schedule in console_unlock() called from printk():

     This reverts an older controversial commit. The reschedule helped
     to avoid softlockups. But it also slowed down the console output.
     This patch is obsoleted by the new console waiter logic described
     above. In fact, the reschedule made the hand-off less effective.

 - Deprecate "%pf" and "%pF" format specifier:

     It was needed on ia64, ppc64 and parisc64 to dereference function
     descriptors and show the real function address. It is done
     transparently by "%ps" and "pS" format specifier now.

     Sergey Senozhatsky found that all the function descriptors were in
     a special elf section and could be easily detected.

 - Remove printk_symbol() API:

     It has been obsoleted by "%pS" format specifier, and this change
     helped to remove few continuous lines and a less intuitive old API.

 - Remove redundant memsets:

     Sergey removed unnecessary memset when processing printk.devkmsg
     command line option.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: (27 commits)
  printk: drop redundant devkmsg_log_str memsets
  printk: Never set console_may_schedule in console_trylock()
  printk: Hide console waiter logic into helpers
  printk: Add console owner and waiter logic to load balance console writes
  kallsyms: remove print_symbol() function
  checkpatch: add pF/pf deprecation warning
  symbol lookup: introduce dereference_symbol_descriptor()
  parisc64: Add .opd based function descriptor dereference
  powerpc64: Add .opd based function descriptor dereference
  ia64: Add .opd based function descriptor dereference
  sections: split dereference_function_descriptor()
  openrisc: Fix conflicting types for _exext and _stext
  lib: do not use print_symbol()
  irq debug: do not use print_symbol()
  sysfs: do not use print_symbol()
  drivers: do not use print_symbol()
  x86: do not use print_symbol()
  unicore32: do not use print_symbol()
  sh: do not use print_symbol()
  mn10300: do not use print_symbol()
  ...
 2018-02-01 13:36:15 -08:00
Linus Torvalds
562f36ed28 Kconfig updates for v4.16 
A pretty big batch of Kconfig updates. I have to mention the lexer
 and parser of Kconfig are now built from real .l and .y sources.
 So, flex and bison are the requirement for building the kernel.
 Both of them (unlike gperf) have been stable for a long time. This
 change has been tested several weeks in linux-next, and I did not
 receive any problem report about this.
 
 Summary:
 
 - Add checks for mistakes, like the choice default is not in
   choice, help is doubled
 
 - Document data structure and complex code
 
 - Fix various memory leaks
 
 - Change Makefile to build lexer and parser instead of using
   pre-generated C files
 
 - Drop 'boolean' keyword, which is equivalent to 'bool'
 
 - Use default 'yy' prefix and remove unneeded Make variables
 
 - Fix gettext() check for xconfig
 
 - Announce that oldnoconfig will be finally removed
 
 - Make 'Selected by:' and 'Implied by' readable in help and
   search result
 
 - Hide silentoldconfig from 'make help' to stop confusing people
 
 - Fix misc things and cleanups
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Merge tag 'kconfig-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:
 "A pretty big batch of Kconfig updates.

  I have to mention the lexer and parser of Kconfig are now built from
  real .l and .y sources. So, flex and bison are the requirement for
  building the kernel. Both of them (unlike gperf) have been stable for
  a long time. This change has been tested several weeks in linux-next,
  and I did not receive any problem report about this.

  Summary:

   - add checks for mistakes, like the choice default is not in choice,
     help is doubled

   - document data structure and complex code

   - fix various memory leaks

   - change Makefile to build lexer and parser instead of using
     pre-generated C files

   - drop 'boolean' keyword, which is equivalent to 'bool'

   - use default 'yy' prefix and remove unneeded Make variables

   - fix gettext() check for xconfig

   - announce that oldnoconfig will be finally removed

   - make 'Selected by:' and 'Implied by' readable in help and search
     result

   - hide silentoldconfig from 'make help' to stop confusing people

   - fix misc things and cleanups"

* tag 'kconfig-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (37 commits)
  kconfig: Remove silentoldconfig from help and docs; fix kconfig/conf's help
  kconfig: make "Selected by:" and "Implied by:" readable
  kconfig: announce removal of oldnoconfig if used
  kconfig: fix make xconfig when gettext is missing
  kconfig: Clarify menu and 'if' dependency propagation
  kconfig: Document 'if' flattening logic
  kconfig: Clarify choice dependency propagation
  kconfig: Document SYMBOL_OPTIONAL logic
  kbuild: remove unnecessary LEX_PREFIX and YACC_PREFIX
  kconfig: use default 'yy' prefix for lexer and parser
  kconfig: make conf_unsaved a local variable of conf_read()
  kconfig: make xfgets() really static
  kconfig: make input_mode static
  kconfig: Warn if there is more than one help text
  kconfig: drop 'boolean' keyword
  kconfig: use bool instead of boolean for type definition attributes, again
  kconfig: Remove menu_end_entry()
  kconfig: Document important expression functions
  kconfig: Document automatic submenu creation code
  kconfig: Fix choice symbol expression leak
  ...
 2018-02-01 11:45:49 -08:00
Linus Torvalds
2bed26606b DeviceTree updates for 4.16: 
- Convert to use memblock_virt_alloc in DT code which supports bootmem
   arches. With this we can remove the arch specific
   early_init_dt_alloc_memory_arch() functions.
 
 - Enable running the DT unittests on UML
 
 - Use SPDX license tags on DT files
 
 - Fix early FDT kconfig ifdef logic
 
 - Clean-up unittest Makefile
 
 - Fix function comment for of_irq_parse_raw
 
 - Add missing documentation for linux,initrd-{start,end} properties
 
 - Clean-up of binding examples using uppercase hex
 
 - Add trivial devices W83773G and Infineon TLV493D-A1B6
 
 - Add missing STM32 SoC bindings
 
 - Various small binding doc fixes
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Merge tag 'devicetree-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree updates from Rob Herring:

 - Convert to use memblock_virt_alloc in DT code which supports
   bootmem arches. With this we can remove the arch specific
   early_init_dt_alloc_memory_arch() functions.

 - Enable running the DT unittests on UML

 - Use SPDX license tags on DT files

 - Fix early FDT kconfig ifdef logic

 - Clean-up unittest Makefile

 - Fix function comment for of_irq_parse_raw

 - Add missing documentation for linux,initrd-{start,end} properties

 - Clean-up of binding examples using uppercase hex

 - Add trivial devices W83773G and Infineon TLV493D-A1B6

 - Add missing STM32 SoC bindings

 - Various small binding doc fixes

* tag 'devicetree-for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (23 commits)
  xtensa: remove arch specific early DT functions
  x86: remove arch specific early_init_dt_alloc_memory_arch
  nios2: remove arch specific early_init_dt_alloc_memory_arch
  mips: remove arch specific early_init_dt_alloc_memory_arch
  metag: remove arch specific early DT functions
  cris: remove arch specific early DT functions
  libfdt: remove unnecessary include directive from <linux/libfdt.h>
  of: unittest: refactor Makefile
  of/fdt: use memblock_virt_alloc for early alloc
  of: Use SPDX license tag for DT files
  of/fdt: Fix #ifdef dependency of early flattree declarations
  dt-bindings: h8300 clocksource: correct spelling of pulse
  dt-bindings: imx6q-pcie: Add required property for i.MX6SX
  mmc: Don't reference Linux-specific OF_GPIO_ACTIVE_LOW flag in DT binding
  dt-bindings: Use lower case hex in unit-addresses
  dt-bindings: display: panel: Fix compatible string for Toshiba LT089AC29000
  dt-bindings: Add Infineon TLV493D-A1B6
  dt-bindings: mailbox: ti,message-manager: Fix interrupt name error
  dt-bindings: chosen: Document linux,initrd-{start,end}
  dt-bindings: arm: document supported STM32 SoC family
  ...
 2018-02-01 10:57:45 -08:00
Linus Torvalds
eea43ed86f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 
Pull input layer updates from Dmitry Torokhov:

 - evdev interface has been adjusted to extend the life of timestamps on
   32 bit systems to the year of 2108

 - Synaptics RMI4 driver's PS/2 guest handling ha beed updated to
   improve chances of detecting trackpoints on the pass-through port

 - mms114 touchcsreen controller driver has been updated to support
   generic device properties and work with mms152 cntrollers

 - Goodix driver now supports generic touchscreen properties

 - couple of drivers for AVR32 architecture are gone as the architecture
   support has been removed from the kernel

 - gpio-tilt driver has been removed as there are no mainline users and
   the driver itself is using legacy APIs and relies on platform data

 - MODULE_LINECSE/MODULE_VERSION cleanups

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
  Input: goodix - use generic touchscreen_properties
  Input: mms114 - fix typo in definition
  Input: mms114 - use BIT() macro instead of explicit shifting
  Input: mms114 - replace mdelay with msleep
  Input: mms114 - add support for mms152
  Input: mms114 - drop platform data and use generic APIs
  Input: mms114 - mark as direct input device
  Input: mms114 - do not clobber interrupt trigger
  Input: edt-ft5x06 - fix error handling for factory mode on non-M06
  Input: stmfts - set IRQ_NOAUTOEN to the irq flag
  Input: auo-pixcir-ts - delete an unnecessary return statement
  Input: auo-pixcir-ts - remove custom log for a failed memory allocation
  Input: da9052_tsi - remove unused mutex
  Input: docs - use PROPERTY_ENTRY_U32() directly
  Input: synaptics-rmi4 - log when we create a guest serio port
  Input: synaptics-rmi4 - unmask F03 interrupts when port is opened
  Input: synaptics-rmi4 - do not delete interrupt memory too early
  Input: ad7877 - use managed resource allocations
  Input: stmfts,s6sy671 - add SPDX identifier
  Input: remove atmel-wm97xx touchscreen driver
  ...
 2018-02-01 10:49:58 -08:00
Linus Torvalds
f6cff79f1d Char/Misc driver patches for 4.16-rc1 
Here is the big pull request for char/misc drivers for 4.16-rc1.
 
 There's a lot of stuff in here.  Three new driver subsystems were added
 for various types of hardware busses:
 	- siox
 	- slimbus
 	- soundwire
 as well as a new vboxguest subsystem for the VirtualBox hypervisor
 drivers.
 
 There's also big updates from the FPGA subsystem, lots of Android binder
 fixes, the usual handful of hyper-v updates, and lots of other smaller
 driver updates.
 
 All of these have been in linux-next for a long time, with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big pull request for char/misc drivers for 4.16-rc1.

  There's a lot of stuff in here. Three new driver subsystems were added
  for various types of hardware busses:

   - siox
   - slimbus
   - soundwire

  as well as a new vboxguest subsystem for the VirtualBox hypervisor
  drivers.

  There's also big updates from the FPGA subsystem, lots of Android
  binder fixes, the usual handful of hyper-v updates, and lots of other
  smaller driver updates.

  All of these have been in linux-next for a long time, with no reported
  issues"

* tag 'char-misc-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (155 commits)
  char: lp: use true or false for boolean values
  android: binder: use VM_ALLOC to get vm area
  android: binder: Use true and false for boolean values
  lkdtm: fix handle_irq_event symbol for INT_HW_IRQ_EN
  EISA: Delete error message for a failed memory allocation in eisa_probe()
  EISA: Whitespace cleanup
  misc: remove AVR32 dependencies
  virt: vbox: Add error mapping for VERR_INVALID_NAME and VERR_NO_MORE_FILES
  soundwire: Fix a signedness bug
  uio_hv_generic: fix new type mismatch warnings
  uio_hv_generic: fix type mismatch warnings
  auxdisplay: img-ascii-lcd: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
  uio_hv_generic: add rescind support
  uio_hv_generic: check that host supports monitor page
  uio_hv_generic: create send and receive buffers
  uio: document uio_hv_generic regions
  doc: fix documentation about uio_hv_generic
  vmbus: add monitor_id and subchannel_id to sysfs per channel
  vmbus: fix ABI documentation
  uio_hv_generic: use ISR callback method
  ...
 2018-02-01 10:31:17 -08:00
Linus Torvalds
47fcc0360c Driver Core updates for 4.16-rc1 
Here is the set of "big" driver core patches for 4.16-rc1.
 
 The majority of the work here is in the firmware subsystem, with reworks
 to try to attempt to make the code easier to handle in the long run, but
 no functional change.  There's also some tree-wide sysfs attribute
 fixups with lots of acks from the various subsystem maintainers, as well
 as a handful of other normal fixes and changes.
 
 And finally, some license cleanups for the driver core and sysfs code.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of "big" driver core patches for 4.16-rc1.

  The majority of the work here is in the firmware subsystem, with
  reworks to try to attempt to make the code easier to handle in the
  long run, but no functional change. There's also some tree-wide sysfs
  attribute fixups with lots of acks from the various subsystem
  maintainers, as well as a handful of other normal fixes and changes.

  And finally, some license cleanups for the driver core and sysfs code.

  All have been in linux-next for a while with no reported issues"

* tag 'driver-core-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (48 commits)
  device property: Define type of PROPERTY_ENRTY_*() macros
  device property: Reuse property_entry_free_data()
  device property: Move property_entry_free_data() upper
  firmware: Fix up docs referring to FIRMWARE_IN_KERNEL
  firmware: Drop FIRMWARE_IN_KERNEL Kconfig option
  USB: serial: keyspan: Drop firmware Kconfig options
  sysfs: remove DEBUG defines
  sysfs: use SPDX identifiers
  drivers: base: add coredump driver ops
  sysfs: add attribute specification for /sysfs/devices/.../coredump
  test_firmware: fix missing unlock on error in config_num_requests_store()
  test_firmware: make local symbol test_fw_config static
  sysfs: turn WARN() into pr_warn()
  firmware: Fix a typo in fallback-mechanisms.rst
  treewide: Use DEVICE_ATTR_WO
  treewide: Use DEVICE_ATTR_RO
  treewide: Use DEVICE_ATTR_RW
  sysfs.h: Use octal permissions
  component: add debugfs support
  bus: simple-pm-bus: convert bool SIMPLE_PM_BUS to tristate
  ...
 2018-02-01 10:00:28 -08:00
Linus Torvalds
5d8515bc23 Staging/IIO patches for 4.16-rc1 
Here is the big Staging and IIO driver patches for 4.16-rc1.
 
 There is the normal amount of new IIO drivers added, like all releases.
 
 The networking IPX and the ncpfs filesystem are moved into the staging
 tree, as they are on their way out of the kernel due to lack of use
 anymore.
 
 The visorbus subsystem finall has started moving out of the staging tree
 to the "real" part of the kernel, and the most and fsl-mc codebases are
 almost ready to move out, that will probably happen for 4.17-rc1 if all
 goes well.
 
 Other than that, there is a bunch of license header cleanups in the
 tree, along with the normal amount of coding style churn that we all
 know and love for this codebase.  I also got frustrated at the
 Meltdown/Spectre mess and took it out on the dgnc tty driver, deleting
 huge chunks of it that were never even being used.
 
 Full details of everything is in the shortlog.
 
 All of these patches have been in linux-next for a while with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO updates from Greg KH:
 "Here is the big Staging and IIO driver patches for 4.16-rc1.

  There is the normal amount of new IIO drivers added, like all
  releases.

  The networking IPX and the ncpfs filesystem are moved into the staging
  tree, as they are on their way out of the kernel due to lack of use
  anymore.

  The visorbus subsystem finall has started moving out of the staging
  tree to the "real" part of the kernel, and the most and fsl-mc
  codebases are almost ready to move out, that will probably happen for
  4.17-rc1 if all goes well.

  Other than that, there is a bunch of license header cleanups in the
  tree, along with the normal amount of coding style churn that we all
  know and love for this codebase. I also got frustrated at the
  Meltdown/Spectre mess and took it out on the dgnc tty driver, deleting
  huge chunks of it that were never even being used.

  Full details of everything is in the shortlog.

  All of these patches have been in linux-next for a while with no
  reported issues"

* tag 'staging-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (627 commits)
  staging: rtlwifi: remove redundant initialization of 'cfg_cmd'
  staging: rtl8723bs: remove a couple of redundant initializations
  staging: comedi: reformat lines to 80 chars or less
  staging: lustre: separate a connection destroy from free struct kib_conn
  Staging: rtl8723bs: Use !x instead of NULL comparison
  Staging: rtl8723bs: Remove dead code
  Staging: rtl8723bs: Change names to conform to the kernel code
  staging: ccree: Fix missing blank line after declaration
  staging: rtl8188eu: remove redundant initialization of 'pwrcfgcmd'
  staging: rtlwifi: remove unused RTLHALMAC_ST and RTLPHYDM_ST
  staging: fbtft: remove unused FB_TFT_SSD1325 kconfig
  staging: comedi: dt2811: remove redundant initialization of 'ns'
  staging: wilc1000: fix alignments to match open parenthesis
  staging: wilc1000: removed unnecessary defined enums typedef
  staging: wilc1000: remove unnecessary use of parentheses
  staging: rtl8192u: remove redundant initialization of 'timeout'
  staging: sm750fb: fix CamelCase for dispSet var
  staging: lustre: lnet/selftest: fix compile error on UP build
  staging: rtl8723bs: hal_com_phycfg: Remove unneeded semicolons
  staging: rts5208: Fix "seg_no" calculation in reset_ms_card()
  ...
 2018-02-01 09:51:57 -08:00
Linus Torvalds
db5933225f TTY/Staging driver updates for 4.16-rc1 
Here is the big tty/serial driver update for 4.16-rc1.
 
 The usual number of various serial driver fixes and updates to try to
 get them to work with crazy hardware configurations (seriously, how many
 different ways are hardware engineers going to come up with to hook up a
 simple UART?)
 
 There is also some serdev bugfixes and updates, as well as a smattering
 of other small fixes in here.
 
 All have been in the linux-next tree for a while, with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/staging driver updates from Greg KH:
 "Here is the big tty/serial driver update for 4.16-rc1.

  The usual number of various serial driver fixes and updates to try to
  get them to work with crazy hardware configurations (seriously, how
  many different ways are hardware engineers going to come up with to
  hook up a simple UART?)

  There is also some serdev bugfixes and updates, as well as a
  smattering of other small fixes in here.

  All have been in the linux-next tree for a while, with no reported
  issues"

* tag 'tty-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (65 commits)
  tty: serial: exar: Relocate sleep wake-up handling
  tty: fix data race between tty_init_dev and flush of buf
  serial: imx: fix endless loop during suspend
  serial: core: mark port as initialized after successful IRQ change
  serdev: only match serdev devices
  serdev: do not generate modaliases for controllers
  serial: mxs-auart: don't use GPIOF_* with gpiod_get_direction
  serial: 8250_dw: Revert "Improve clock rate setting"
  MAINTAINERS: Add myself as designated reviewer for 8250_dw
  gpio: serial: max310x: Support open-drain configuration for GPIOs
  serdev: Fix serdev_uevent failure on ACPI enumerated serdev-controllers
  serial: 8250_ingenic: Parse earlycon options
  serial: 8250_ingenic: Add support for the JZ4770 SoC
  serial: core: Make uart_parse_options take const char* argument
  serial: 8250_of: fix return code when probe function fails to get reset
  serial: imx: Only wakeup via RTSDEN bit if the system has RTS/CTS
  serial: 8250_uniphier: fix error return code in uniphier_uart_probe()
  tty: n_gsm: Allow ADM response in addition to UA for control dlci
  tty: omap-serial: Fix initial on-boot RTS GPIO level
  tty: serial: jsm: Add one check against NULL pointer dereference
  ...
 2018-02-01 09:46:00 -08:00
Linus Torvalds
e4ee8b85b7 USB/PHY updates for 4.16-rc1 
Here is the big USB and PHY driver update for 4.16-rc1.
 
 Along with the normally expected XHCI, MUSB, and Gadget driver patches,
 there are some PHY driver fixes, license cleanups, sysfs attribute
 cleanups, usbip changes, and a raft of other smaller fixes and
 additions.
 
 Full details are in the shortlog.
 
 All of these have been in the linux-next tree for a long time with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big USB and PHY driver update for 4.16-rc1.

  Along with the normally expected XHCI, MUSB, and Gadget driver
  patches, there are some PHY driver fixes, license cleanups, sysfs
  attribute cleanups, usbip changes, and a raft of other smaller fixes
  and additions.

  Full details are in the shortlog.

  All of these have been in the linux-next tree for a long time with no
  reported issues"

* tag 'usb-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (137 commits)
  USB: serial: pl2303: new device id for Chilitag
  USB: misc: fix up some remaining DEVICE_ATTR() usages
  USB: musb: fix up one odd DEVICE_ATTR() usage
  USB: atm: fix up some remaining DEVICE_ATTR() usage
  USB: move many drivers to use DEVICE_ATTR_WO
  USB: move many drivers to use DEVICE_ATTR_RO
  USB: move many drivers to use DEVICE_ATTR_RW
  USB: misc: chaoskey: Use true and false for boolean values
  USB: storage: remove old wording about how to submit a change
  USB: storage: remove invalid URL from drivers
  usb: ehci-omap: don't complain on -EPROBE_DEFER when no PHY found
  usbip: list: don't list devices attached to vhci_hcd
  usbip: prevent bind loops on devices attached to vhci_hcd
  USB: serial: remove redundant initializations of 'mos_parport'
  usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()
  usb: gadget: compress return logic into one line
  usbip: vhci_hcd: update 'status' file header and format
  USB: serial: simple: add Motorola Tetra driver
  CDC-ACM: apply quirk for card reader
  usb: option: Add support for FS040U modem
  ...
 2018-02-01 09:40:49 -08:00
Linus Torvalds
ba49097e1d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 
Pull sparc updates from David Miller:
 "Of note is the addition of a driver for the Data Analytics
  Accelerator, and some small cleanups"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
  oradax: Fix return value check in dax_attach()
  sparc: vDSO: remove an extra tab
  sparc64: drop unneeded compat include
  sparc64: Oracle DAX driver
  sparc64: Oracle DAX infrastructure
 2018-02-01 09:34:52 -08:00
Linus Torvalds
255442c938 Documentation updates for 4.16. New stuff includes refcount_t 
documentation, errseq documentation, kernel-doc support for nested
 structure definitions, the removal of lots of crufty kernel-doc support for
 unused formats, SPDX tag documentation, the beginnings of a manual for
 subsystem maintainers, and lots of fixes and updates.
 
 As usual, some of the changesets reach outside of Documentation/ to effect
 kerneldoc comment fixes.  It also adds the new LICENSES directory, of which
 Thomas promises I do not need to be the maintainer.
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Merge tag 'docs-4.16' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Documentation updates for 4.16.

  New stuff includes refcount_t documentation, errseq documentation,
  kernel-doc support for nested structure definitions, the removal of
  lots of crufty kernel-doc support for unused formats, SPDX tag
  documentation, the beginnings of a manual for subsystem maintainers,
  and lots of fixes and updates.

  As usual, some of the changesets reach outside of Documentation/ to
  effect kerneldoc comment fixes. It also adds the new LICENSES
  directory, of which Thomas promises I do not need to be the
  maintainer"

* tag 'docs-4.16' of git://git.lwn.net/linux: (65 commits)
  linux-next: docs-rst: Fix typos in kfigure.py
  linux-next: DOC: HWPOISON: Fix path to debugfs in hwpoison.txt
  Documentation: Fix misconversion of #if
  docs: add index entry for networking/msg_zerocopy
  Documentation: security/credentials.rst: explain need to sort group_list
  LICENSES: Add MPL-1.1 license
  LICENSES: Add the GPL 1.0 license
  LICENSES: Add Linux syscall note exception
  LICENSES: Add the MIT license
  LICENSES: Add the BSD-3-clause "Clear" license
  LICENSES: Add the BSD 3-clause "New" or "Revised" License
  LICENSES: Add the BSD 2-clause "Simplified" license
  LICENSES: Add the LGPL-2.1 license
  LICENSES: Add the LGPL 2.0 license
  LICENSES: Add the GPL 2.0 license
  Documentation: Add license-rules.rst to describe how to properly identify file licenses
  scripts: kernel_doc: better handle show warnings logic
  fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at
  doc: md: Fix a file name to md-fault.c in fault-injection.txt
  errseq: Add to documentation tree
  ...
 2018-01-31 19:25:25 -08:00
Linus Torvalds
73da9e1a9f Merge branch 'akpm' (patches from Andrew) 
Merge updates from Andrew Morton:

 - misc fixes

 - ocfs2 updates

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
  mm: remove PG_highmem description
  tools, vm: new option to specify kpageflags file
  mm/swap.c: make functions and their kernel-doc agree
  mm, memory_hotplug: fix memmap initialization
  mm: correct comments regarding do_fault_around()
  mm: numa: do not trap faults on shared data section pages.
  hugetlb, mbind: fall back to default policy if vma is NULL
  hugetlb, mempolicy: fix the mbind hugetlb migration
  mm, hugetlb: further simplify hugetlb allocation API
  mm, hugetlb: get rid of surplus page accounting tricks
  mm, hugetlb: do not rely on overcommit limit during migration
  mm, hugetlb: integrate giga hugetlb more naturally to the allocation path
  mm, hugetlb: unify core page allocation accounting and initialization
  mm/memcontrol.c: try harder to decrease [memory,memsw].limit_in_bytes
  mm/memcontrol.c: make local symbol static
  mm/hmm: fix uninitialized use of 'entry' in hmm_vma_walk_pmd()
  include/linux/mmzone.h: fix explanation of lower bits in the SPARSEMEM mem_map pointer
  mm/compaction.c: fix comment for try_to_compact_pages()
  mm/page_ext.c: make page_ext_init a noop when CONFIG_PAGE_EXTENSION but nothing uses it
  zsmalloc: use U suffix for negative literals being shifted
  ...
 2018-01-31 18:46:22 -08:00
Michal Hocko
d6cb41cc44 mm, hugetlb: remove hugepages_treat_as_movable sysctl 
hugepages_treat_as_movable has been introduced by 396faf0303 ("Allow
huge page allocations to use GFP_HIGH_MOVABLE") to allow hugetlb
allocations from ZONE_MOVABLE even when hugetlb pages were not
migrateable.  The purpose of the movable zone was different at the time.
It aimed at reducing memory fragmentation and hugetlb pages being long
lived and large werre not contributing to the fragmentation so it was
acceptable to use the zone back then.

Things have changed though and the primary purpose of the zone became
migratability guarantee.  If we allow non migrateable hugetlb pages to
be in ZONE_MOVABLE memory hotplug might fail to offline the memory.

Remove the knob and only rely on hugepage_migration_supported to allow
movable zones.

Mel said:

: Primarily it was aimed at allowing the hugetlb pool to safely shrink with
: the ability to grow it again.  The use case was for batched jobs, some of
: which needed huge pages and others that did not but didn't want the memory
: useless pinned in the huge pages pool.
:
: I suspect that more users rely on THP than hugetlbfs for flexible use of
: huge pages with fallback options so I think that removing the option
: should be ok.

Link: http://lkml.kernel.org/r/20171003072619.8654-1-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: Alexandru Moise <00moses.alexander00@gmail.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Alexandru Moise <00moses.alexander00@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-01-31 17:18:37 -08:00
Roman Gushchin
fcb2b0c577 mm: show total hugetlb memory consumption in /proc/meminfo 
Currently we display some hugepage statistics (total, free, etc) in
/proc/meminfo, but only for default hugepage size (e.g.  2Mb).

If hugepages of different sizes are used (like 2Mb and 1Gb on x86-64),
/proc/meminfo output can be confusing, as non-default sized hugepages
are not reflected at all, and there are no signs that they are existing
and consuming system memory.

To solve this problem, let's display the total amount of memory,
consumed by hugetlb pages of all sized (both free and used).  Let's call
it "Hugetlb", and display size in kB to match generic /proc/meminfo
style.

For example, (1024 2Mb pages and 2 1Gb pages are pre-allocated):
  $ cat /proc/meminfo
  MemTotal:        8168984 kB
  MemFree:         3789276 kB
  <...>
  CmaFree:               0 kB
  HugePages_Total:    1024
  HugePages_Free:     1024
  HugePages_Rsvd:        0
  HugePages_Surp:        0
  Hugepagesize:       2048 kB
  Hugetlb:         4194304 kB
  DirectMap4k:       32632 kB
  DirectMap2M:     4161536 kB
  DirectMap1G:     6291456 kB

Also, this patch updates corresponding docs to reflect Hugetlb entry
meaning and difference between Hugetlb and HugePages_Total * Hugepagesize.

Link: http://lkml.kernel.org/r/20171115231409.12131-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-01-31 17:18:36 -08:00
Linus Torvalds
b2fe5fa686 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:

 1) Significantly shrink the core networking routing structures. Result
    of http://vger.kernel.org/~davem/seoul2017_netdev_keynote.pdf

 2) Add netdevsim driver for testing various offloads, from Jakub
    Kicinski.

 3) Support cross-chip FDB operations in DSA, from Vivien Didelot.

 4) Add a 2nd listener hash table for TCP, similar to what was done for
    UDP. From Martin KaFai Lau.

 5) Add eBPF based queue selection to tun, from Jason Wang.

 6) Lockless qdisc support, from John Fastabend.

 7) SCTP stream interleave support, from Xin Long.

 8) Smoother TCP receive autotuning, from Eric Dumazet.

 9) Lots of erspan tunneling enhancements, from William Tu.

10) Add true function call support to BPF, from Alexei Starovoitov.

11) Add explicit support for GRO HW offloading, from Michael Chan.

12) Support extack generation in more netlink subsystems. From Alexander
    Aring, Quentin Monnet, and Jakub Kicinski.

13) Add 1000BaseX, flow control, and EEE support to mvneta driver. From
    Russell King.

14) Add flow table abstraction to netfilter, from Pablo Neira Ayuso.

15) Many improvements and simplifications to the NFP driver bpf JIT,
    from Jakub Kicinski.

16) Support for ipv6 non-equal cost multipath routing, from Ido
    Schimmel.

17) Add resource abstration to devlink, from Arkadi Sharshevsky.

18) Packet scheduler classifier shared filter block support, from Jiri
    Pirko.

19) Avoid locking in act_csum, from Davide Caratti.

20) devinet_ioctl() simplifications from Al viro.

21) More TCP bpf improvements from Lawrence Brakmo.

22) Add support for onlink ipv6 route flag, similar to ipv4, from David
    Ahern.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1925 commits)
  tls: Add support for encryption using async offload accelerator
  ip6mr: fix stale iterator
  net/sched: kconfig: Remove blank help texts
  openvswitch: meter: Use 64-bit arithmetic instead of 32-bit
  tcp_nv: fix potential integer overflow in tcpnv_acked
  r8169: fix RTL8168EP take too long to complete driver initialization.
  qmi_wwan: Add support for Quectel EP06
  rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK
  ipmr: Fix ptrdiff_t print formatting
  ibmvnic: Wait for device response when changing MAC
  qlcnic: fix deadlock bug
  tcp: release sk_frag.page in tcp_disconnect
  ipv4: Get the address of interface correctly.
  net_sched: gen_estimator: fix lockdep splat
  net: macb: Handle HRESP error
  net/mlx5e: IPoIB, Fix copy-paste bug in flow steering refactoring
  ipv6: addrconf: break critical section in addrconf_verify_rtnl()
  ipv6: change route cache aging logic
  i40e/i40evf: Update DESC_NEEDED value to reflect larger value
  bnxt_en: cleanup DIM work on device shutdown
  ...
 2018-01-31 14:31:10 -08:00
Linus Torvalds
a103950e0d Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto updates from Herbert Xu:
 "API:
   - Enforce the setting of keys for keyed aead/hash/skcipher
     algorithms.
   - Add multibuf speed tests in tcrypt.

  Algorithms:
   - Improve performance of sha3-generic.
   - Add native sha512 support on arm64.
   - Add v8.2 Crypto Extentions version of sha3/sm3 on arm64.
   - Avoid hmac nesting by requiring underlying algorithm to be unkeyed.
   - Add cryptd_max_cpu_qlen module parameter to cryptd.

  Drivers:
   - Add support for EIP97 engine in inside-secure.
   - Add inline IPsec support to chelsio.
   - Add RevB core support to crypto4xx.
   - Fix AEAD ICV check in crypto4xx.
   - Add stm32 crypto driver.
   - Add support for BCM63xx platforms in bcm2835 and remove bcm63xx.
   - Add Derived Key Protocol (DKP) support in caam.
   - Add Samsung Exynos True RNG driver.
   - Add support for Exynos5250+ SoCs in exynos PRNG driver"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (166 commits)
  crypto: picoxcell - Fix error handling in spacc_probe()
  crypto: arm64/sha512 - fix/improve new v8.2 Crypto Extensions code
  crypto: arm64/sm3 - new v8.2 Crypto Extensions implementation
  crypto: arm64/sha3 - new v8.2 Crypto Extensions implementation
  crypto: testmgr - add new testcases for sha3
  crypto: sha3-generic - export init/update/final routines
  crypto: sha3-generic - simplify code
  crypto: sha3-generic - rewrite KECCAK transform to help the compiler optimize
  crypto: sha3-generic - fixes for alignment and big endian operation
  crypto: aesni - handle zero length dst buffer
  crypto: artpec6 - remove select on non-existing CRYPTO_SHA384
  hwrng: bcm2835 - Remove redundant dev_err call in bcm2835_rng_probe()
  crypto: stm32 - remove redundant dev_err call in stm32_cryp_probe()
  crypto: axis - remove unnecessary platform_get_resource() error check
  crypto: testmgr - test misuse of result in ahash
  crypto: inside-secure - make function safexcel_try_push_requests static
  crypto: aes-generic - fix aes-generic regression on powerpc
  crypto: chelsio - Fix indentation warning
  crypto: arm64/sha1-ce - get rid of literal pool
  crypto: arm64/sha2-ce - move the round constant table to .rodata section
  ...
 2018-01-31 14:22:45 -08:00
Linus Torvalds
3c29548f87 Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 
Pull integrity updates from James Morris:
 "This contains a mixture of bug fixes, code cleanup, and new
  functionality. Of note is the integrity cache locking fix, file change
  detection, and support for a new EVM portable and immutable signature
  type.

  The re-introduction of the integrity cache lock (iint) fixes the
  problem of attempting to take the i_rwsem shared a second time, when
  it was previously taken exclusively. Defining atomic flags resolves
  the original iint/i_rwsem circular locking - accessing the file data
  vs. modifying the file metadata. Although it fixes the O_DIRECT
  problem as well, a subsequent patch is needed to remove the explicit
  O_DIRECT prevention.

  For performance reasons, detecting when a file has changed and needs
  to be re-measured, re-appraised, and/or re-audited, was limited to
  after the last writer has closed, and only if the file data has
  changed. Detecting file change is based on i_version. For filesystems
  that do not support i_version, remote filesystems, or userspace
  filesystems, the file was measured, appraised and/or audited once and
  never re-evaluated. Now local filesystems, which do not support
  i_version or are not mounted with the i_version option, assume the
  file has changed and are required to re-evaluate the file. This change
  does not address detecting file change on remote or userspace
  filesystems.

  Unlike file data signatures, which can be included and distributed in
  software packages (eg. rpm, deb), the existing EVM signature, which
  protects the file metadata, could not be included in software
  packages, as it includes file system specific information (eg. i_ino,
  possibly the UUID). This pull request defines a new EVM portable and
  immutable file metadata signature format, which can be included in
  software packages"

* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  ima/policy: fix parsing of fsuuid
  ima: Use i_version only when filesystem supports it
  integrity: remove unneeded initializations in integrity_iint_cache entries
  ima: log message to module appraisal error
  ima: pass filename to ima_rdwr_violation_check()
  ima: Fix line continuation format
  ima: support new "hash" and "dont_hash" policy actions
  ima: re-introduce own integrity cache lock
  EVM: Add support for portable signature format
  EVM: Allow userland to permit modification of EVM-protected metadata
  ima: relax requiring a file signature for new files with zero length
 2018-01-31 13:07:35 -08:00
Linus Torvalds
e1c70f3238 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching 
Pull livepatching updates from Jiri Kosina:

 - handle 'infinitely'-long sleeping tasks, from Miroslav Benes

 - remove 'immediate' feature, as it turns out it doesn't provide the
   originally expected semantics, and brings more issues than value

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
  livepatch: add locking to force and signal functions
  livepatch: Remove immediate feature
  livepatch: force transition to finish
  livepatch: send a fake signal to all blocking tasks
 2018-01-31 13:02:18 -08:00
Linus Torvalds
183b6366cf Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 
Pull HID updates from Jiri Kosina:

 - remove hid_have_special_driver[] entry hard requirement for any newly
   supported VID/PID by a specific non-core hid driver, and general
   related cleanup of HID matching core, from Benjamin Tissoires

 - support for new Wacom devices and a few small fixups for already
   supported ones in Wacom driver, from Aaron Armstrong Skomra and Jason
   Gerecke

 - sysfs interface fix for roccat driver from Dan Carpenter

 - support for new Asus HW (T100TAF, T100HA, T200TA) from Hans de Goede

 - improved support for Jabra devices, from Niels Skou Olsen

 - other assorted small fixes and new device IDs

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
  HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working
  HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
  HID: asus: Fix special function keys on T200TA
  HID: asus: Add touchpad max x/y and resolution info for the T200TA
  HID: wacom: Add support for One by Wacom (CTL-472 / CTL-672)
  HID: wacom: Fix reporting of touch toggle (WACOM_HID_WD_MUTE_DEVICE) events
  HID: intel-ish-hid: Enable Cannon Lake and Coffee Lake laptop/desktop
  HID: elecom: rewrite report fixup for EX-G and future mice
  HID: sony: Report DS4 version info through sysfs
  HID: sony: Print reversed MAC address via %pMR
  HID: wacom: EKR: ensure devres groups at higher indexes are released
  HID: rmi: Support the Fujitsu R726 Pad dock using hid-rmi
  HID: add quirk for another PIXART OEM mouse used by HP
  HID: quirks: make array hid_quirks static
  HID: hid-multitouch: support fine-grain orientation reporting
  HID: asus: Add product-id for the T100TAF and T100HA keyboard docks
  HID: elo: clear BTN_LEFT mapping
  HID: multitouch: Combine all left-button events in a frame
  HID: multitouch: Only look at non touch fields in first packet of a frame
  HID: multitouch: Properly deal with Win8 PTP reports with 0 touches
  ...
 2018-01-31 13:00:01 -08:00
Linus Torvalds
972058ad79 power supply and reset changes for the v4.16 series 
* bq27xxx: add bq27521 support
  * drop unused imx-snvs-poweroff driver
  * improve axp288 driver
  * misc. fixes
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Merge tag 'for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - bq27xxx: add bq27521 support

 - drop unused imx-snvs-poweroff driver

 - improve axp288 driver

 - misc fixes

* tag 'for-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (32 commits)
  power: supply: max17042_battery: Always fall back to default platform-data
  power: supply: max17042_battery: Check battery current for status when supplied
  MAINTAINERS: Add AXP288 PMIC entry
  power: supply: axp288_fuel_gauge: Do not register our psy on (some) HDMI sticks
  power: supply: axp288_fuel_gauge: Optimize get_current()
  power: supply: axp288_fuel_gauge: Rework get_status()
  power: reset: account for const type of of_device_id.data
  power: supply: account for const type of of_device_id.data
  bq24190: Simplify code in property_is_writeable
  power: supply: axp288_fuel_gauge: Get iio-channels once during boot
  power: supply: axp288_charger: Properly stop work on probe-error / remove
  power: supply: axp288_charger: Simplify extcon cable handling
  power: supply: axp288_charger: Use the right property for the input current limit
  power: supply: axp288_charger: Pick lower input current limit not higher
  power: supply: axp288_charger: Do not cache input current limit value
  power: supply: axp288_charger: Remove no longer needed locking
  power: supply: axp288_charger: Use regmap_update_bits to set the input limits
  power: supply: axp288_charger: Cleanup some double empty lines
  power: supply: axp288_charger: Remove charger-enabled state tracking
  power: supply: axp288_charger: Add missing newlines to some messages
  ...
 2018-01-31 12:55:31 -08:00
Linus Torvalds
9798f5178f The is the bulk of GPIO changes for the v4.16 kernel cycle. 
Core changes:
 
 - Disallow open drain and open source flags to be set
   simultaneously. This doesn't make electrical sense, and would
   the hardware actually respond to this setting, the result
   would be short circuit.
 
 - ACPI GPIO has a new core infrastructure for handling quirks.
   The quirks are there to deal with broken ACPI tables centrally
   instead of pushing the work to individual drivers. In the world
   of BIOS writers, the ACPI tables are perfect. Until they find a
   mistake in it. When such a mistake is found, we can patch it
   with a quirk. It should never happen, the problem is that it
   happens. So we accomodate for it.
 
 - Several documentation updates.
 
 - Revert the patch setting up initial direction state from
   reading the device. This was causing bad things for drivers
   that can't read status on all its pins. It is only affecting
   debugfs information quality.
 
 - Label descriptors with the device name if no explicit label is
   passed in.
 
 - Pave the ground for transitioning SPI and regulators to use
   GPIO descriptors by implementing some quirks in the device tree
   GPIO parsing code.
 
 New drivers:
 
 - New driver for the Access PCIe IDIO 24 family.
 
 Other:
 
 - Major refactorings and improvements to the GPIO mockup driver
   used for test and verification.
 
 - Moved the AXP209 driver over to pin control since it gained a
   pin control back-end. These patches will appear (with the same
   hashes) in the pin control pull request as well.
 
 - Convert the onewire GPIO driver w1-gpio to use descriptors.
   This is merged here since the W1 maintainers send very few
   pull requests and he ACKed it.
 
 - Start to clean up driver headers using <linux/gpio.h> to just
   use <linux/gpio/driver.h> as appropriate.
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Merge tag 'gpio-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "The is the bulk of GPIO changes for the v4.16 kernel cycle. It is
  pretty calm this time around I think. I even got time to get to things
  like starting to clean up header includes.

  Core changes:

   - Disallow open drain and open source flags to be set simultaneously.
     This doesn't make electrical sense, and would the hardware actually
     respond to this setting, the result would be short circuit.

   - ACPI GPIO has a new core infrastructure for handling quirks. The
     quirks are there to deal with broken ACPI tables centrally instead
     of pushing the work to individual drivers. In the world of BIOS
     writers, the ACPI tables are perfect. Until they find a mistake in
     it. When such a mistake is found, we can patch it with a quirk. It
     should never happen, the problem is that it happens. So we
     accomodate for it.

   - Several documentation updates.

   - Revert the patch setting up initial direction state from reading
     the device. This was causing bad things for drivers that can't read
     status on all its pins. It is only affecting debugfs information
     quality.

   - Label descriptors with the device name if no explicit label is
     passed in.

   - Pave the ground for transitioning SPI and regulators to use GPIO
     descriptors by implementing some quirks in the device tree GPIO
     parsing code.

  New drivers:

   - New driver for the Access PCIe IDIO 24 family.

  Other:

   - Major refactorings and improvements to the GPIO mockup driver used
     for test and verification.

   - Moved the AXP209 driver over to pin control since it gained a pin
     control back-end. These patches will appear (with the same hashes)
     in the pin control pull request as well.

   - Convert the onewire GPIO driver w1-gpio to use descriptors. This is
     merged here since the W1 maintainers send very few pull requests
     and he ACKed it.

   - Start to clean up driver headers using <linux/gpio.h> to just use
     <linux/gpio/driver.h> as appropriate"

* tag 'gpio-v4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (103 commits)
  gpio: Timestamp events in hardirq handler
  gpio: Fix kernel stack leak to userspace
  gpio: Fix a documentation spelling mistake
  gpio: Documentation update
  gpiolib: remove redundant initialization of pointer desc
  gpio: of: Fix NPE from OF flags
  gpio: stmpe: Delete an unnecessary variable initialisation in stmpe_gpio_probe()
  gpio: stmpe: Move an assignment in stmpe_gpio_probe()
  gpio: stmpe: Improve a size determination in stmpe_gpio_probe()
  gpio: stmpe: Use seq_putc() in stmpe_dbg_show()
  gpio: No NULL owner
  gpio: stmpe: i2c transfer are forbiden in atomic context
  gpio: davinci: Include proper header
  gpio: da905x: Include proper header
  gpio: cs5535: Include proper header
  gpio: crystalcove: Include proper header
  gpio: bt8xx: Include proper header
  gpio: bcm-kona: Include proper header
  gpio: arizona: Include proper header
  gpio: amd8111: Include proper header
  ...
 2018-01-31 12:25:27 -08:00
Linus Torvalds
50081e4378 LED updates for 4.16-rc1 
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Merge tag 'leds_for_4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED updates from Jacek Anaszewski:
 "New LED class driver:
   - introduce LM3692x dual string driver

  New LED trigger:
   - introduce a NETDEV trigger

  leds-lp8860:
   - various fixes to align with LED framework
   - add regulator enable during init
   - DT support related improvements

  Minor fixes and cleanups to the LED class drivers:
   - leds-pwm
   - ledtrig-activity
   - leds-blinkm
   - leds-as3645a
   - ledtrig-transient"

* tag 'leds_for_4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: ledtrig-transient: Add SPDX license identifiers
  leds: lp8860: Various fixes to align with LED framework
  leds: lp8860: Add DT parsing to retrieve the trigger node
  dt: bindings: lp8860: Add trigger binding to the lp8860
  leds: lp8860: Update the dt parsing for LED labeling
  dt: bindings: lp8860: Update DT label binding
  dt: bindings: lp8860: Update bindings for lp8860
  leds: as3645a: Fix line over 80 characters
  leds: as3645a: Fix quoted string split warning
  leds: lm3692x: Introduce LM3692x dual string driver
  dt: bindings: lm3692x: Add bindings for lm3692x LED driver
  leds: trigger: Introduce a NETDEV trigger
  leds: blinkm: avoid uninitialized data use
  ledtrig-activity: Grammar s/a immediate/an immediate/
  leds: pwm: Remove unneeded header file
  leds: lp8860: Add regulator enable during init
  leds: lp8860: Fix linuxdoc format for structure
 2018-01-31 12:22:41 -08:00
Linus Torvalds
2155e69a9d DMAengine updates for v4.16-rc1 
This cycle we have small update for:
   - updates to xilinx and zynqmp dma controllers
   - update reside calculation for rcar controller
   - more RSTify fixes for documentation
   - Add support for race free transfer termination and updating
     for users for that
   - Support for new rev of hidma with addition new APIs to
     get device match data in ACPI/OF
   - Random updates to bunch of other drivers
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Merge tag 'dmaengine-4.16-rc1' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine updates from Vinod Koul:
 "This time is smallish update with updates mainly to drivers:

   - updates to xilinx and zynqmp dma controllers

   - update reside calculation for rcar controller

   - more RSTify fixes for documentation

   - add support for race free transfer termination and updating for
     users for that

   - support for new rev of hidma with addition new APIs to get device
     match data in ACPI/OF

   - random updates to bunch of other drivers"

* tag 'dmaengine-4.16-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (47 commits)
  dmaengine: dmatest: fix container_of member in dmatest_callback
  dmaengine: stm32-dmamux: Remove unnecessary platform_get_resource() error check
  dmaengine: sprd: statify 'sprd_dma_prep_dma_memcpy'
  dmaengine: qcom_hidma: simplify DT resource parsing
  dmaengine: xilinx_dma: Free BD consistent memory
  dmaengine: xilinx_dma: Fix warning variable prev set but not used
  dmaengine: xilinx_dma: properly configure the SG mode bit in the driver for cdma
  dmaengine: doc: format struct fields using monospace
  dmaengine: doc: fix bullet list formatting
  dmaengine: ti-dma-crossbar: Fix event mapping for TPCC_EVT_MUX_60_63
  dmaengine: cppi41: Fix channel queues array size check
  dmaengine: imx-sdma: Add MODULE_FIRMWARE
  dmaengine: xilinx_dma: Fix typos
  dmaengine: xilinx_dma: Differentiate probe based on the ip type
  dmaengine: xilinx_dma: fix style issues from checkpatch
  dmaengine: xilinx_dma: Fix kernel doc warnings
  dmaengine: xilinx_dma: Fix race condition in the driver for multiple descriptor scenario
  dmaeninge: xilinx_dma: Fix bug in multiple frame stores scenario in vdma
  dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor
  dmaengine: zynqmp_dma: Fix race condition in the probe
  ...
 2018-01-31 11:52:20 -08:00
Linus Torvalds
28bc6fb959 SCSI misc on 20180131 
This is mostly updates of the usual driver suspects: arcmsr,
 scsi_debug, mpt3sas, lpfc, cxlflash, qla2xxx, aacraid, megaraid_sas,
 hisi_sas.  We also have a rework of the libsas hotplug handling to
 make it more robust, a slew of 32 bit time conversions and fixes, and
 a host of the usual minor updates and style changes.  The biggest
 potential for regressions is the libsas hotplug changes, but so far
 they seem stable under testing.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly updates of the usual driver suspects: arcmsr,
  scsi_debug, mpt3sas, lpfc, cxlflash, qla2xxx, aacraid, megaraid_sas,
  hisi_sas.

  We also have a rework of the libsas hotplug handling to make it more
  robust, a slew of 32 bit time conversions and fixes, and a host of the
  usual minor updates and style changes. The biggest potential for
  regressions is the libsas hotplug changes, but so far they seem stable
  under testing"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (313 commits)
  scsi: qla2xxx: Fix logo flag for qlt_free_session_done()
  scsi: arcmsr: avoid do_gettimeofday
  scsi: core: Add VENDOR_SPECIFIC sense code definitions
  scsi: qedi: Drop cqe response during connection recovery
  scsi: fas216: fix sense buffer initialization
  scsi: ibmvfc: Remove unneeded semicolons
  scsi: hisi_sas: fix a bug in hisi_sas_dev_gone()
  scsi: hisi_sas: directly attached disk LED feature for v2 hw
  scsi: hisi_sas: devicetree: bindings: add LED feature for v2 hw
  scsi: megaraid_sas: NVMe passthrough command support
  scsi: megaraid: use ktime_get_real for firmware time
  scsi: fnic: use 64-bit timestamps
  scsi: qedf: Fix error return code in __qedf_probe()
  scsi: devinfo: fix format of the device list
  scsi: qla2xxx: Update driver version to 10.00.00.05-k
  scsi: qla2xxx: Add XCB counters to debugfs
  scsi: qla2xxx: Fix queue ID for async abort with Multiqueue
  scsi: qla2xxx: Fix warning for code intentation in __qla24xx_handle_gpdb_event()
  scsi: qla2xxx: Fix warning during port_name debug print
  scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout()
  ...
 2018-01-31 11:23:28 -08:00
Linus Torvalds
0be600a5ad - DM core fixes to ensure that bio submission follows a depth-first tree 
walk; this is critical to allow forward progress without the need to
   use the bioset's BIOSET_NEED_RESCUER.
 
 - Remove DM core's BIOSET_NEED_RESCUER based dm_offload infrastructure.
 
 - DM core cleanups and improvements to make bio-based DM more efficient
   (e.g. reduced memory footprint as well leveraging per-bio-data more).
 
 - Introduce new bio-based mode (DM_TYPE_NVME_BIO_BASED) that leverages
   the more direct IO submission path in the block layer; this mode is
   used by DM multipath and also optimizes targets like DM thin-pool that
   stack directly on NVMe data device.
 
 - DM multipath improvements to factor out legacy SCSI-only
   (e.g. scsi_dh) code paths to allow for more optimized support for NVMe
   multipath.
 
 - A fix for DM multipath path selectors (service-time and queue-length)
   to select paths in a more balanced way; largely academic but doesn't
   hurt.
 
 - Numerous DM raid target fixes and improvements.
 
 - Add a new DM "unstriped" target that enables Intel to workaround
   firmware limitations in some NVMe drives that are striped internally
   (this target also works when stacked above the DM "striped" target).
 
 - Various Documentation fixes and improvements.
 
 - Misc. cleanups and fixes across various DM infrastructure and targets
   (e.g. bufio, flakey, log-writes, snapshot).
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Merge tag 'for-4.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - DM core fixes to ensure that bio submission follows a depth-first
   tree walk; this is critical to allow forward progress without the
   need to use the bioset's BIOSET_NEED_RESCUER.

 - Remove DM core's BIOSET_NEED_RESCUER based dm_offload infrastructure.

 - DM core cleanups and improvements to make bio-based DM more efficient
   (e.g. reduced memory footprint as well leveraging per-bio-data more).

 - Introduce new bio-based mode (DM_TYPE_NVME_BIO_BASED) that leverages
   the more direct IO submission path in the block layer; this mode is
   used by DM multipath and also optimizes targets like DM thin-pool
   that stack directly on NVMe data device.

 - DM multipath improvements to factor out legacy SCSI-only (e.g.
   scsi_dh) code paths to allow for more optimized support for NVMe
   multipath.

 - A fix for DM multipath path selectors (service-time and queue-length)
   to select paths in a more balanced way; largely academic but doesn't
   hurt.

 - Numerous DM raid target fixes and improvements.

 - Add a new DM "unstriped" target that enables Intel to workaround
   firmware limitations in some NVMe drives that are striped internally
   (this target also works when stacked above the DM "striped" target).

 - Various Documentation fixes and improvements.

 - Misc cleanups and fixes across various DM infrastructure and targets
   (e.g. bufio, flakey, log-writes, snapshot).

* tag 'for-4.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (69 commits)
  dm cache: Documentation: update default migration_throttling value
  dm mpath selector: more evenly distribute ties
  dm unstripe: fix target length versus number of stripes size check
  dm thin: fix trailing semicolon in __remap_and_issue_shared_cell
  dm table: fix NVMe bio-based dm_table_determine_type() validation
  dm: various cleanups to md->queue initialization code
  dm mpath: delay the retry of a request if the target responded as busy
  dm mpath: return DM_MAPIO_DELAY_REQUEUE if QUEUE_IO or PG_INIT_REQUIRED
  dm mpath: return DM_MAPIO_REQUEUE on blk-mq rq allocation failure
  dm log writes: fix max length used for kstrndup
  dm: backfill missing calls to mutex_destroy()
  dm snapshot: use mutex instead of rw_semaphore
  dm flakey: check for null arg_name in parse_features()
  dm thin: extend thinpool status format string with omitted fields
  dm thin: fixes in thin-provisioning.txt
  dm thin: document representation of <highest mapped sector> when there is none
  dm thin: fix documentation relative to low water mark threshold
  dm cache: be consistent in specifying sectors and SI units in cache.txt
  dm cache: delete obsoleted paragraph in cache.txt
  dm cache: fix grammar in cache-policies.txt
  ...
 2018-01-31 11:05:47 -08:00
Linus Torvalds
040639b7fc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 
Pull MD updates from Shaohua Li:
 "Some small fixes for MD:

   - fix raid5-cache potential problems if raid5 cache isn't fully
     recovered

   - fix a wait-within-wait warning in raid1/10

   - make raid5-PPL support disks with writeback cache enabled"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  raid5-ppl: PPL support for disks with write-back cache enabled
  md/r5cache: print more info of log recovery
  md/raid1,raid10: silence warning about wait-within-wait
  md: introduce new personality funciton start()
 2018-01-31 11:03:38 -08:00
Linus Torvalds
19e7b5f994 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc vfs updates from Al Viro:
 "All kinds of misc stuff, without any unifying topic, from various
  people.

  Neil's d_anon patch, several bugfixes, introduction of kvmalloc
  analogue of kmemdup_user(), extending bitfield.h to deal with
  fixed-endians, assorted cleanups all over the place..."

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (28 commits)
  alpha: osf_sys.c: use timespec64 where appropriate
  alpha: osf_sys.c: fix put_tv32 regression
  jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
  dcache: delete unused d_hash_mask
  dcache: subtract d_hash_shift from 32 in advance
  fs/buffer.c: fold init_buffer() into init_page_buffers()
  fs: fold __inode_permission() into inode_permission()
  fs: add RWF_APPEND
  sctp: use vmemdup_user() rather than badly open-coding memdup_user()
  snd_ctl_elem_init_enum_names(): switch to vmemdup_user()
  replace_user_tlv(): switch to vmemdup_user()
  new primitive: vmemdup_user()
  memdup_user(): switch to GFP_USER
  eventfd: fold eventfd_ctx_get() into eventfd_ctx_fileget()
  eventfd: fold eventfd_ctx_read() into eventfd_read()
  eventfd: convert to use anon_inode_getfd()
  nfs4file: get rid of pointless include of btrfs.h
  uvc_v4l2: clean copyin/copyout up
  vme_user: don't use __copy_..._user()
  usx2y: don't bother with memdup_user() for 16-byte structure
  ...
 2018-01-31 09:25:20 -08:00
Jiri Kosina
c86aa0129c Merge branches 'for-4.16/upstream' and 'for-4.15/upstream-fixes' into for-linus 
Pull assorted small fixes queued for merge window.
 2018-01-31 16:23:58 +01:00
Jiri Kosina
e56236b0b2 Merge branch 'for-4.16/i2c-hid' into for-linus 2018-01-31 16:23:47 +01:00
Josh Poimboeuf
12c69f1e94 x86/paravirt: Remove 'noreplace-paravirt' cmdline option 
The 'noreplace-paravirt' option disables paravirt patching, leaving the
original pv indirect calls in place.

That's highly incompatible with retpolines, unless we want to uglify
paravirt even further and convert the paravirt calls to retpolines.

As far as I can tell, the option doesn't seem to be useful for much
other than introducing surprising corner cases and making the kernel
vulnerable to Spectre v2.  It was probably a debug option from the early
paravirt days.  So just remove it.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Jun Nakajima <jun.nakajima@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Asit Mallick <asit.k.mallick@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Link: https://lkml.kernel.org/r/20180131041333.2x6blhxirc2kclrq@treble
 2018-01-31 10:37:45 +01:00
Vinod Koul
c203f677c0 Merge branch 'topic/qcom' into for-linus 2018-01-31 13:50:35 +05:30
Linus Torvalds
3da90b159b f2fs-for-4.16-rc1 
In this round, we've followed up to support some generic features such as
 cgroup, block reservation, linking fscrypt_ops, delivering write_hints,
 and some ioctls. And, we could fix some corner cases in terms of power-cut
 recovery and subtle deadlocks.
 
 Enhancement:
  - bitmap operations to handle NAT blocks
  - readahead to improve readdir speed
  - switch to use fscrypt_*
  - apply write hints for direct IO
  - add reserve_root=%u,resuid=%u,resgid=%u to reserve blocks for root/uid/gid
  - modify b_avail and b_free to consider root reserved blocks
  - support cgroup writeback
  - support FIEMAP_FLAG_XATTR for fibmap
  - add F2FS_IOC_PRECACHE_EXTENTS to pre-cache extents
  - add F2FS_IOC_{GET/SET}_PIN_FILE to pin LBAs for data blocks
  - support inode creation time
 
 Bug fix:
  - sysfile-based quota operations
  - memory footprint accounting
  - allow to write data on partial preallocation case
  - fix deadlock case on fallocate
  - fix to handle fill_super errors
  - fix missing inode updates of fsync'ed file
  - recover renamed file which was fsycn'ed before
  - drop inmemory pages in corner error case
  - keep last_disk_size correctly
  - recover missing i_inline flags during roll-forward
 
 Various clean-up patches were added as well.
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Merge tag 'f2fs-for-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've followed up to support some generic features such
  as cgroup, block reservation, linking fscrypt_ops, delivering
  write_hints, and some ioctls. And, we could fix some corner cases in
  terms of power-cut recovery and subtle deadlocks.

  Enhancements:
   - bitmap operations to handle NAT blocks
   - readahead to improve readdir speed
   - switch to use fscrypt_*
   - apply write hints for direct IO
   - add reserve_root=%u,resuid=%u,resgid=%u to reserve blocks for root/uid/gid
   - modify b_avail and b_free to consider root reserved blocks
   - support cgroup writeback
   - support FIEMAP_FLAG_XATTR for fibmap
   - add F2FS_IOC_PRECACHE_EXTENTS to pre-cache extents
   - add F2FS_IOC_{GET/SET}_PIN_FILE to pin LBAs for data blocks
   - support inode creation time

  Bug fixs:
   - sysfile-based quota operations
   - memory footprint accounting
   - allow to write data on partial preallocation case
   - fix deadlock case on fallocate
   - fix to handle fill_super errors
   - fix missing inode updates of fsync'ed file
   - recover renamed file which was fsycn'ed before
   - drop inmemory pages in corner error case
   - keep last_disk_size correctly
   - recover missing i_inline flags during roll-forward

  Various clean-up patches were added as well"

* tag 'f2fs-for-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (72 commits)
  f2fs: support inode creation time
  f2fs: rebuild sit page from sit info in mem
  f2fs: stop issuing discard if fs is readonly
  f2fs: clean up duplicated assignment in init_discard_policy
  f2fs: use GFP_F2FS_ZERO for cleanup
  f2fs: allow to recover node blocks given updated checkpoint
  f2fs: recover some i_inline flags
  f2fs: correct removexattr behavior for null valued extended attribute
  f2fs: drop page cache after fs shutdown
  f2fs: stop gc/discard thread after fs shutdown
  f2fs: hanlde error case in f2fs_ioc_shutdown
  f2fs: split need_inplace_update
  f2fs: fix to update last_disk_size correctly
  f2fs: kill F2FS_INLINE_XATTR_ADDRS for cleanup
  f2fs: clean up error path of fill_super
  f2fs: avoid hungtask when GC encrypted block if io_bits is set
  f2fs: allow quota to use reserved blocks
  f2fs: fix to drop all inmem pages correctly
  f2fs: speed up defragment on sparse file
  f2fs: support F2FS_IOC_PRECACHE_EXTENTS
  ...
 2018-01-30 19:07:32 -08:00
Linus Torvalds
13ddd1667e Merge branch 'for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cgroup updates from Tejun Heo:
 "Nothing too interesting. Documentation updates and trivial changes;
  however, this pull request does containt he previusly discussed
  dropping of __must_check from strscpy()"

* 'for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  Documentation: Fix 'file_mapped' -> 'mapped_file'
  string: drop __must_check from strscpy() and restore strscpy() usages in cgroup
  cgroup, docs: document the root cgroup behavior of cpu and io controllers
  cgroup-v2.txt: fix typos
  cgroup: Update documentation reference
  Documentation/cgroup-v1: fix outdated programming details
  cgroup, docs: document cgroup v2 device controller
 2018-01-30 15:09:47 -08:00
Linus Torvalds
0aebc6a440 arm64 updates for 4.16: 
- Security mitigations:
   - variant 2: invalidating the branch predictor with a call to secure firmware
   - variant 3: implementing KPTI for arm64
 
 - 52-bit physical address support for arm64 (ARMv8.2)
 
 - arm64 support for RAS (firmware first only) and SDEI (software
   delegated exception interface; allows firmware to inject a RAS error
   into the OS)
 
 - Perf support for the ARM DynamIQ Shared Unit PMU
 
 - CPUID and HWCAP bits updated for new floating point multiplication
   instructions in ARMv8.4
 
 - Removing some virtual memory layout printks during boot
 
 - Fix initial page table creation to cope with larger than 32M kernel
   images when 16K pages are enabled
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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:
 "The main theme of this pull request is security covering variants 2
  and 3 for arm64. I expect to send additional patches next week
  covering an improved firmware interface (requires firmware changes)
  for variant 2 and way for KPTI to be disabled on unaffected CPUs
  (Cavium's ThunderX doesn't work properly with KPTI enabled because of
  a hardware erratum).

  Summary:

   - Security mitigations:
      - variant 2: invalidate the branch predictor with a call to
        secure firmware
      - variant 3: implement KPTI for arm64

   - 52-bit physical address support for arm64 (ARMv8.2)

   - arm64 support for RAS (firmware first only) and SDEI (software
     delegated exception interface; allows firmware to inject a RAS
     error into the OS)

   - perf support for the ARM DynamIQ Shared Unit PMU

   - CPUID and HWCAP bits updated for new floating point multiplication
     instructions in ARMv8.4

   - remove some virtual memory layout printks during boot

   - fix initial page table creation to cope with larger than 32M kernel
     images when 16K pages are enabled"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (104 commits)
  arm64: Fix TTBR + PAN + 52-bit PA logic in cpu_do_switch_mm
  arm64: Turn on KPTI only on CPUs that need it
  arm64: Branch predictor hardening for Cavium ThunderX2
  arm64: Run enable method for errata work arounds on late CPUs
  arm64: Move BP hardening to check_and_switch_context
  arm64: mm: ignore memory above supported physical address size
  arm64: kpti: Fix the interaction between ASID switching and software PAN
  KVM: arm64: Emulate RAS error registers and set HCR_EL2's TERR & TEA
  KVM: arm64: Handle RAS SErrors from EL2 on guest exit
  KVM: arm64: Handle RAS SErrors from EL1 on guest exit
  KVM: arm64: Save ESR_EL2 on guest SError
  KVM: arm64: Save/Restore guest DISR_EL1
  KVM: arm64: Set an impdef ESR for Virtual-SError using VSESR_EL2.
  KVM: arm/arm64: mask/unmask daif around VHE guests
  arm64: kernel: Prepare for a DISR user
  arm64: Unconditionally enable IESB on exception entry/return for firmware-first
  arm64: kernel: Survive corrected RAS errors notified by SError
  arm64: cpufeature: Detect CPU RAS Extentions
  arm64: sysreg: Move to use definitions for all the SCTLR bits
  arm64: cpufeature: __this_cpu_has_cap() shouldn't stop early
  ...
 2018-01-30 13:57:43 -08:00
John Pittman
9614e2ba91 dm cache: Documentation: update default migration_throttling value 
In commit f8350daf7a ("dm cache: tune migration throttling") the
value for DEFAULT_MIGRATION_THRESHOLD was decreased from 204800 to
2048.  Edit device-mapper/cache.txt to reflect the correct default
value for migration_threshold.

Signed-off-by: John Pittman <jpittman@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 2018-01-30 16:55:47 -05:00