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Author SHA1 Message Date
Tobin C. Harding 553d8e8b10 docs: correct documentation for %pK 
Current documentation indicates that %pK prints a leading '0x'. This is
not the case.

Correct documentation for printk specifier %pK.

Signed-off-by: Tobin C. Harding <me@tobin.cc>
 2017-11-29 12:02:58 +11:00
Linus Torvalds 02fc87b117 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull misc x86 fixes from Ingo Molnar:
 - topology enumeration fixes
 - KASAN fix
 - two entry fixes (not yet the big series related to KASLR)
 - remove obsolete code
 - instruction decoder fix
 - better /dev/mem sanity checks, hopefully working better this time
 - pkeys fixes
 - two ACPI fixes
 - 5-level paging related fixes
 - UMIP fixes that should make application visible faults more debuggable
 - boot fix for weird virtualization environment

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86/decoder: Add new TEST instruction pattern
  x86/PCI: Remove unused HyperTransport interrupt support
  x86/umip: Fix insn_get_code_seg_params()'s return value
  x86/boot/KASLR: Remove unused variable
  x86/entry/64: Add missing irqflags tracing to native_load_gs_index()
  x86/mm/kasan: Don't use vmemmap_populate() to initialize shadow
  x86/entry/64: Fix entry_SYSCALL_64_after_hwframe() IRQ tracing
  x86/pkeys/selftests: Fix protection keys write() warning
  x86/pkeys/selftests: Rename 'si_pkey' to 'siginfo_pkey'
  x86/mpx/selftests: Fix up weird arrays
  x86/pkeys: Update documentation about availability
  x86/umip: Print a warning into the syslog if UMIP-protected instructions are used
  x86/smpboot: Fix __max_logical_packages estimate
  x86/topology: Avoid wasting 128k for package id array
  perf/x86/intel/uncore: Cache logical pkg id in uncore driver
  x86/acpi: Reduce code duplication in mp_override_legacy_irq()
  x86/acpi: Handle SCI interrupts above legacy space gracefully
  x86/boot: Fix boot failure when SMP MP-table is based at 0
  x86/mm: Limit mmap() of /dev/mem to valid physical addresses
  x86/selftests: Add test for mapping placement for 5-level paging
  ...
 2017-11-26 14:11:54 -08:00
Linus Torvalds 6830c8db58 Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull scheduler fixes from Ingo Molnar:
 "Misc fixes: a documentation fix, a Sparse warning fix and a debugging
  fix"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/debug: Fix task state recording/printout
  sched/deadline: Don't use dubious signed bitfields
  sched/deadline: Fix the description of runtime accounting in the documentation
 2017-11-26 13:43:25 -08:00
Linus Torvalds 844056fd74 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull timer updates from Thomas Gleixner:

 - The final conversion of timer wheel timers to timer_setup().

   A few manual conversions and a large coccinelle assisted sweep and
   the removal of the old initialization mechanisms and the related
   code.

 - Remove the now unused VSYSCALL update code

 - Fix permissions of /proc/timer_list. I still need to get rid of that
   file completely

 - Rename a misnomed clocksource function and remove a stale declaration

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
  m68k/macboing: Fix missed timer callback assignment
  treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts
  timer: Remove redundant __setup_timer*() macros
  timer: Pass function down to initialization routines
  timer: Remove unused data arguments from macros
  timer: Switch callback prototype to take struct timer_list * argument
  timer: Pass timer_list pointer to callbacks unconditionally
  Coccinelle: Remove setup_timer.cocci
  timer: Remove setup_*timer() interface
  timer: Remove init_timer() interface
  treewide: setup_timer() -> timer_setup() (2 field)
  treewide: setup_timer() -> timer_setup()
  treewide: init_timer() -> setup_timer()
  treewide: Switch DEFINE_TIMER callbacks to struct timer_list *
  s390: cmm: Convert timers to use timer_setup()
  lightnvm: Convert timers to use timer_setup()
  drivers/net: cris: Convert timers to use timer_setup()
  drm/vc4: Convert timers to use timer_setup()
  block/laptop_mode: Convert timers to use timer_setup()
  net/atm/mpc: Avoid open-coded assignment of timer callback function
  ...
 2017-11-25 08:37:16 -10:00
Linus Torvalds 5e2fda4776 Kbuild updates for v4.15 (2nd) 
- Use pwd instead of /bin/pwd for portability
 
 - Clean up Makefiles
 
 - Fix ld-option for clang
 
 - Fix malloc'ed data size in Kconfig
 
 - Fix parallel building along with coccicheck
 
 - Fix a minor issue of package building
 
 - Prompt to use "rpm-pkg" instead of "rpm"
 
 - Clean up *.i and *.lst patterns by "make clean"
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Merge tag 'kbuild-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - use 'pwd' instead of '/bin/pwd' for portability

 - clean up Makefiles

 - fix ld-option for clang

 - fix malloc'ed data size in Kconfig

 - fix parallel building along with coccicheck

 - fix a minor issue of package building

 - prompt to use "rpm-pkg" instead of "rpm"

 - clean up *.i and *.lst patterns by "make clean"

* tag 'kbuild-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: drop $(extra-y) from real-objs-y
  kbuild: clean up *.i and *.lst patterns by make clean
  kbuild: rpm: prompt to use "rpm-pkg" if "rpm" target is used
  kbuild: pkg: use --transform option to prefix paths in tar
  coccinelle: fix parallel build with CHECK=scripts/coccicheck
  kconfig/symbol.c: use correct pointer type argument for sizeof
  kbuild: Set KBUILD_CFLAGS before incl. arch Makefile
  kbuild: remove all dummy assignments to obj-
  kbuild: create built-in.o automatically if parent directory wants it
  kbuild: /bin/pwd -> pwd
 2017-11-25 08:06:30 -10:00
Linus Torvalds 7753ea0964 Trimmed second batch of KVM changes for Linux 4.15 
* GICv4 Support for KVM/ARM
 
 All ARM patches were in next-20171113.  I have postponed most x86 fixes
 to 4.15-rc2 and UMIP to 4.16, but there are fixes that would be good to
 have already in 4.15-rc1:
 
 * re-introduce support for CPUs without virtual NMI (cc stable)
   and allow testing of KVM without virtual NMI on available CPUs
 
 * fix long-standing performance issues with assigned devices on AMD
   (cc stable)
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Merge tag 'kvm-4.15-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Radim Krčmář:
 "Trimmed second batch of KVM changes for Linux 4.15:

   - GICv4 Support for KVM/ARM

   - re-introduce support for CPUs without virtual NMI (cc stable) and
     allow testing of KVM without virtual NMI on available CPUs

   - fix long-standing performance issues with assigned devices on AMD
     (cc stable)"

* tag 'kvm-4.15-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (30 commits)
  kvm: vmx: Allow disabling virtual NMI support
  kvm: vmx: Reinstate support for CPUs without virtual NMI
  KVM: SVM: obey guest PAT
  KVM: arm/arm64: Don't queue VLPIs on INV/INVALL
  KVM: arm/arm64: Fix GICv4 ITS initialization issues
  KVM: arm/arm64: GICv4: Theory of operations
  KVM: arm/arm64: GICv4: Enable VLPI support
  KVM: arm/arm64: GICv4: Prevent userspace from changing doorbell affinity
  KVM: arm/arm64: GICv4: Prevent a VM using GICv4 from being saved
  KVM: arm/arm64: GICv4: Enable virtual cpuif if VLPIs can be delivered
  KVM: arm/arm64: GICv4: Hook vPE scheduling into vgic flush/sync
  KVM: arm/arm64: GICv4: Use the doorbell interrupt as an unblocking source
  KVM: arm/arm64: GICv4: Add doorbell interrupt handling
  KVM: arm/arm64: GICv4: Use pending_last as a scheduling hint
  KVM: arm/arm64: GICv4: Handle INVALL applied to a vPE
  KVM: arm/arm64: GICv4: Propagate property updates to VLPIs
  KVM: arm/arm64: GICv4: Handle MOVALL applied to a vPE
  KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI
  KVM: arm/arm64: GICv4: Propagate affinity changes to the physical ITS
  KVM: arm/arm64: GICv4: Unmap VLPI when freeing an LPI
  ...
 2017-11-24 19:44:25 -10:00
Linus Torvalds c353bfc6eb fixes/cleanups for rc1, non-desktop flags for VR 
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Merge tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linux

Pull more drm updates from Dave Airlie:
 "Fixes/cleanups for rc1, non-desktop flags for VR

   - remove the MSM dt-bindings file Rob managed to push in the previous
     pull.

   - add a property/edid quirk to denote HMD devices, I had these
     hanging around for a few weeks and Keith had done some work on
     them, they are fairly self contained and small, and only affect
     people using HTC Vive VR headsets so far.

   - amdgpu, tegra, tilcdc, fsl fixes

   - some imx-drm cleanups I missed, these seemed pretty small, and no
     reason to hold off.

  I have one TTM regression fix (fixes bochs-vga in qemu) sitting
  locally awaiting review I'll probably send that in a separate pull
  request tomorrow"

* tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linux: (33 commits)
  dt-bindings: remove file that was added accidentally
  drm/edid: quirk HTC vive headset as non-desktop. [v2]
  drm/fb: add support for not enabling fbcon on non-desktop displays [v2]
  drm: add connector info/property for non-desktop displays [v2]
  drm/amdgpu: fix rmmod KCQ disable failed error
  drm/amdgpu: fix kernel hang when starting VNC server
  drm/amdgpu: don't skip attributes when powerplay is enabled
  drm/amd/pp: fix typecast error in powerplay.
  drm/tilcdc: Remove obsolete "ti,tilcdc,slave" dts binding support
  drm/tegra: sor: Reimplement pad clock
  Revert "drm/radeon: dont switch vt on suspend"
  drm/amd/amdgpu: fix over-bound accessing in amdgpu_cs_wait_any_fence
  drm/amd/powerplay: fix unfreeze level smc message for smu7
  drm/amdgpu:fix memleak
  drm/amdgpu:fix memleak in takedown
  drm/amd/pp: fix dpm randomly failed on Vega10
  drm/amdgpu: set f_mapping on exported DMA-bufs
  drm/amdgpu: Properly allocate VM invalidate eng v2
  drm/fsl-dcu: enable IRQ before drm_atomic_helper_resume()
  drm/fsl-dcu: avoid disabling pixel clock twice on suspend
  ...
 2017-11-23 21:04:56 -10:00
Linus Torvalds 1d3bc6363a A few late-arriving docs updates that have no real reason to wait. There's 
a new "Co-Developed-by" tag described by Greg, and a build enhancement from
 Willy to generate docs warnings during a kernel build (but only when
 additional warnings have been requested in general).
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Merge tag 'docs-4.15-2' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "A few late-arriving docs updates that have no real reason to wait.

  There's a new "Co-Developed-by" tag described by Greg, and a build
  enhancement from Willy to generate docs warnings during a kernel build
  (but only when additional warnings have been requested in general)"

* tag 'docs-4.15-2' of git://git.lwn.net/linux:
  Add optional check for bad kernel-doc comments
  Documentation: fix profile= options in kernel-parameters.txt
  documentation/svga.txt: update outdated file
  kokr/memory-barriers.txt: Fix typo in paring example
  kokr/memory-barriers/txt: Replace uses of "transitive"
  Documentation/process: add Co-Developed-by: tag for patches with multiple authors
 2017-11-23 21:01:32 -10:00
James Morris ce44cd8dfc Keys devel 
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Merge tag 'keys-next-20171123' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into next-keys

Merge keys subsystem changes from David Howells, for v4.15.
 2017-11-24 11:54:11 +11:00
Linus Torvalds 5a787756b8 pwm: Changes for v4.15-rc1 
The changes for this release include power management improvements for
 the pwm-img driver, support for the backup mode on pwm-atmel-tcb as well
 as support for more hardware with the R-Car and Mediatek drivers.
 
 To round things off there's a bit of cleanup for sunxi and stm32-lp.
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Merge tag 'pwm/for-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "The changes for this release include power management improvements for
  the pwm-img driver, support for the backup mode on pwm-atmel-tcb as
  well as support for more hardware with the R-Car and Mediatek drivers.

  To round things off there's a bit of cleanup for sunxi and stm32-lp"

* tag 'pwm/for-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: stm32-lp: Remove pwm_is_enabled() check before calling pwm_disable()
  pwm: mediatek: Add MT2712/MT7622 support
  pwm: sunxi: Use of_device_get_match_data()
  pwm: atmel-tcb: Support backup mode
  dt-bindings: pwm: Add R-Car D3 device tree bindings
  pwm: img: Add runtime PM
  pwm: img: Add suspend / resume handling
 2017-11-22 21:09:18 -10:00
Linus Torvalds 1b8c5cd890 RTC for 4.15 
Subsystem:
  - Fix setting the alarm to the next expiring timer
 
 New driver:
  - Mediatek MT7622 RTC
  - NXP PCF85363
  - Spreadtrum SC27xx PMIC RTC
 
 Drivers:
  - Use generic nvmem to expose the Non volatile ram for ds1305, ds1511,
  m48t86 and omap
  - abx80x: solve possible race condition at probe
  - armada38x: support trimming the RTC oscillator
  - at91rm9200: fix reading the alarm value at boot
  - ds1511: allow waking platform
  - m41t80: rework square wave output
  - pcf8523: support trimming the RTC oscillator
  - pcf8563: fix clock output rate
  - pl031: make interrupt optional
  - xgene: fix suspend/resume
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Merge tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "There is nothing scary this cycle, mostly driver fixes and updates.

  The core fix has been in for a while and has been tested on multiple
  kernel revisions by multiple teams.

  Core:
   - Fix setting the alarm to the next expiring timer

  New drivers:
   - Mediatek MT7622 RTC
   - NXP PCF85363
   - Spreadtrum SC27xx PMIC RTC

  Drivers updates:
   - Use generic nvmem to expose the Non volatile ram for ds1305,
     ds1511, m48t86 and omap
   - abx80x: solve possible race condition at probe
   - armada38x: support trimming the RTC oscillator
   - at91rm9200: fix reading the alarm value at boot
   - ds1511: allow waking platform
   - m41t80: rework square wave output
   - pcf8523: support trimming the RTC oscillator
   - pcf8563: fix clock output rate
   - pl031: make interrupt optional
   - xgene: fix suspend/resume"

* tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
  dt-bindings: rtc: imxdi: Improve the bindings text
  rtc: sc27xx: Add Spreadtrum SC27xx PMIC RTC driver
  dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation
  rtc: at91rm9200: fix reading alarm value
  rtc: at91rm9200: stop calculating yday in at91_rtc_readalarm
  rtc: sysfs: Use time64_t variables to set time/alarm
  rtc: xgene: mark PM functions as __maybe_unused
  rtc: xgene: Fix suspend/resume
  rtc: pcf8563: don't alway enable the alarm
  rtc: pcf8563: fix output clock rate
  rtc: rx8010: Fix for incorrect return value
  rtc: rx8010: Specify correct address for RX8010_RESV31
  rtc: rx8010: Remove duplicate define
  rtc: m41t80: remove unneeded checks from m41t80_sqw_set_rate
  rtc: m41t80: avoid i2c read in m41t80_sqw_is_prepared
  rtc: m41t80: avoid i2c read in m41t80_sqw_recalc_rate
  rtc: m41t80: fix m41t80_sqw_round_rate return value
  rtc: m41t80: m41t80_sqw_set_rate should return 0 on success
  rtc: add support for NXP PCF85363 real-time clock
  rtc: omap: Support scratch registers
  ...
 2017-11-22 20:58:23 -10:00
Linus Torvalds 14b661ebb6 This pull request contains the following core changes: 
General changes:
    * Unconfuse get_unmapped_area and point/unpoint driver methods
    * New partition parser: sharpslpart
    * Kill GENERIC_IO
    * Various fixes
 
 NAND changes:
    * Add a flag to mark NANDs that require 3 address cycles to encode a
      page address
    * Set a default ECC/free layout when NAND_ECC_NONE is requested
    * Fix a bug in panic_nand_write()
    * Another batch of cleanups for the denali driver
    * Fix PM support in the atmel driver
    * Remove support for platform data in the omap driver
    * Fix subpage write in the omap driver
    * Fix irq handling in the mtk driver
    * Change link order of mtk_ecc and mtk_nand drivers to speed up boot
      time
    * Change log level of ECC error messages in the mxc driver
    * Patch the pxa3xx driver to support Armada 8k platforms
    * Add BAM DMA support to the qcom driver
    * Convert gpio-nand to the GPIO desc API
    * Fix ECC handling in the mt29f driver
 
 SPI-NOR changes:
    * Introduce system power management support
    * New mechanism to select the proper .quad_enable() hook by JEDEC ID,
      when needed, instead of only by manufacturer ID
    * Add support to new memory parts from Gigadevice, Winbond, Macronix and
      Everspin
    * Maintainance for Cadence, Intel, Mediatek and STM32 drivers
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Merge tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd

Pull MTD updates from Richard Weinberger:
 "General changes:
   -  Unconfuse get_unmapped_area and point/unpoint driver methods
   -  New partition parser: sharpslpart
   -  Kill GENERIC_IO
   -  Various fixes

  NAND changes:
   -  Add a flag to mark NANDs that require 3 address cycles to encode a
      page address
   -  Set a default ECC/free layout when NAND_ECC_NONE is requested
   -  Fix a bug in panic_nand_write()
   -  Another batch of cleanups for the denali driver
   -  Fix PM support in the atmel driver
   -  Remove support for platform data in the omap driver
   -  Fix subpage write in the omap driver
   -  Fix irq handling in the mtk driver
   -  Change link order of mtk_ecc and mtk_nand drivers to speed up boot
      time
   -  Change log level of ECC error messages in the mxc driver
   -  Patch the pxa3xx driver to support Armada 8k platforms
   -  Add BAM DMA support to the qcom driver
   -  Convert gpio-nand to the GPIO desc API
   -  Fix ECC handling in the mt29f driver

  SPI-NOR changes:
   -  Introduce system power management support
   -  New mechanism to select the proper .quad_enable() hook by JEDEC
      ID, when needed, instead of only by manufacturer ID
   -  Add support to new memory parts from Gigadevice, Winbond, Macronix
      and Everspin
   -  Maintainance for Cadence, Intel, Mediatek and STM32 drivers"

*  tag 'for-linus-20171120' of git://git.infradead.org/linux-mtd: (85 commits)
  mtd: Avoid probe failures when mtd->dbg.dfs_dir is invalid
  mtd: sharpslpart: Add sharpslpart partition parser
  mtd: Add sanity checks in mtd_write/read_oob()
  mtd: remove the get_unmapped_area method
  mtd: implement mtd_get_unmapped_area() using the point method
  mtd: chips/map_rom.c: implement point and unpoint methods
  mtd: chips/map_ram.c: implement point and unpoint methods
  mtd: mtdram: properly handle the phys argument in the point method
  mtd: mtdswap: fix spelling mistake: 'TRESHOLD' -> 'THRESHOLD'
  mtd: slram: use memremap() instead of ioremap()
  kconfig: kill off GENERIC_IO option
  mtd: Fix C++ comment in include/linux/mtd/mtd.h
  mtd: constify mtd_partition
  mtd: plat-ram: Replace manual resource management by devm
  mtd: nand: Fix writing mtdoops to nand flash.
  mtd: intel-spi: Add Intel Lewisburg PCH SPI super SKU PCI ID
  mtd: nand: mtk: fix infinite ECC decode IRQ issue
  mtd: spi-nor: Add support for mr25h128
  mtd: nand: mtk: change the compile sequence of mtk_nand.o and mtk_ecc.o
  mtd: spi-nor: enable 4B opcodes for mx66l51235l
  ...
 2017-11-22 20:46:06 -10:00
Dave Airlie af5ecb53c8 drm/imx: various cleanups 
- Switch to drm_*_get/put() helpers
 - Use correct parallel-display connector enum: DPI instead of VGA
 - Remove incorrect unit name from device tree binding documentation example
 - Remove an unused variable
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Merge tag 'imx-drm-next-2017-10-18' of git://git.pengutronix.de/git/pza/linux into drm-next

drm/imx: various cleanups

- Switch to drm_*_get/put() helpers
- Use correct parallel-display connector enum: DPI instead of VGA
- Remove incorrect unit name from device tree binding documentation example
- Remove an unused variable

* tag 'imx-drm-next-2017-10-18' of git://git.pengutronix.de/git/pza/linux:
  gpu: ipu-v3: ipu-dc: Remove unused 'di' variable
  dt-bindings: fsl-imx-drm: Remove incorrect "@di0" usage
  drm/imx: parallel-display: use correct connector enum
  drm/imx: switch to drm_*_get(), drm_*_put() helpers
 2017-11-23 08:56:34 +10:00
Kees Cook 7eeb6b893b timer: Remove init_timer() interface 
All users of init_timer() have been updated. Remove the ancient interface.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
 2017-11-21 15:57:09 -08:00
Dave Hansen c51ff2c7fc x86/pkeys: Update documentation about availability 
Now that CPUs that implement Memory Protection Keys are publicly
available we can be a bit less oblique about where it is available.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20171111001228.DC748A10@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2017-11-21 09:34:52 +01:00
Linus Torvalds e1d1ea549b fbdev changes for v4.15: 
- convert timers to use timer_setup() (Kees Cook, Thierry Reding)
 
 - fix panels support on iMX boards in mxsfb driver (Stefan Agner)
 
 - fix timeout on EDID read in udlfb driver (Ladislav Michl)
 
 - add missing modes to fix out of bounds access in controlfb driver
   (Geert Uytterhoeven)
 
 - update initialisation paths in sa1100fb driver to be more robust
   (Russell King)
 
 - fix error handling path of ->probe method in au1200fb driver
   (Christophe JAILLET)
 
 - fix handling of cases when either panel or crt is defined in sm501fb
   driver (Sudip Mukherjee, Colin Ian King)
 
 - add ability to the Goldfish FB driver to be recognized by OS via DT
   (Aleksandar Markovic)
 
 - structures constifications (Bhumika Goyal)
 
 - misc fixes (Allen Pais, Gustavo A. R. Silva, Dan Carpenter)
 
 - misc cleanups (Colin Ian King, Himanshu Jha, Markus Elfring)
 
 - remove dead igafb driver
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Merge tag 'fbdev-v4.15' of git://github.com/bzolnier/linux

Pull fbdev updates from Bartlomiej Zolnierkiewicz:
 "There is nothing really major here (though removal of the dead igafb
  driver stands out in diffstat).

  Summary:

   - convert timers to use timer_setup() (Kees Cook, Thierry Reding)

   - fix panels support on iMX boards in mxsfb driver (Stefan Agner)

   - fix timeout on EDID read in udlfb driver (Ladislav Michl)

   - add missing modes to fix out of bounds access in controlfb driver
     (Geert Uytterhoeven)

   - update initialisation paths in sa1100fb driver to be more robust
     (Russell King)

   - fix error handling path of ->probe method in au1200fb driver
     (Christophe JAILLET)

   - fix handling of cases when either panel or crt is defined in
     sm501fb driver (Sudip Mukherjee, Colin Ian King)

   - add ability to the Goldfish FB driver to be recognized by OS via DT
     (Aleksandar Markovic)

   - structures constifications (Bhumika Goyal)

   - misc fixes (Allen Pais, Gustavo A. R. Silva, Dan Carpenter)

   - misc cleanups (Colin Ian King, Himanshu Jha, Markus Elfring)

   - remove dead igafb driver"

* tag 'fbdev-v4.15' of git://github.com/bzolnier/linux: (42 commits)
  OMAPFB: prevent buffer underflow in omapfb_parse_vram_param()
  video: fbdev: sm501fb: fix potential null pointer dereference on fbi
  fbcon: Initialize ops->info early
  video: fbdev: Convert timers to use timer_setup()
  video: fbdev: pxa3xx_gcu: Convert timers to use timer_setup()
  fbdev: controlfb: Add missing modes to fix out of bounds access
  video: fbdev: sis_main: mark expected switch fall-throughs
  video: fbdev: cirrusfb: mark expected switch fall-throughs
  video: fbdev: aty: radeon_pm: mark expected switch fall-throughs
  video: fbdev: sm501fb: mark expected switch fall-through in sm501fb_blank_crt
  video: fbdev: intelfb: remove redundant variables
  video/fbdev/dnfb: Use common error handling code in dnfb_probe()
  sm501fb: suspend and resume fb if it exists
  sm501fb: unregister framebuffer only if registered
  sm501fb: deallocate colormap only if allocated
  video: goldfishfb: Add support for device tree bindings
  Documentation: Add device tree binding for Goldfish FB driver
  video: udlfb: Fix read EDID timeout
  video: fbdev: remove dead igafb driver
  video: fbdev: mxsfb: fix pixelclock polarity
  ...
 2017-11-20 21:50:24 -10:00
Linus Torvalds c633e898bd DeviceTree fixes for 4.15: 
- Remove mc13892 as a trivial device
 
 - Improve of_find_node_by_name() documentation
 
 - Fix unit test dtc warnings
 
 - Clean-ups of USB binding documentation
 
 - Fix potential NULL deref in of_pci_map_rid
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Merge tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - Remove mc13892 as a trivial device

 - Improve of_find_node_by_name() documentation

 - Fix unit test dtc warnings

 - Clean-ups of USB binding documentation

 - Fix potential NULL deref in of_pci_map_rid

* tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: trivial-devices: Remove fsl,mc13892
  of: Document exactly what of_find_node_by_name() puts
  of: unittest: disable interrupts_property warning
  of: unittest: let dtc generate __local_fixups__
  dt-bindings: usb: document hub and host-controller properties
  dt-bindings: usb: clean up compatible property
  dt-bindings: usb: fix reg-property port-number range
  dt-bindings: usb: fix example hub node name
  of/pci: Fix theoretical NULL dereference
 2017-11-20 21:38:41 -10:00
Fabio Estevam 87c9fd8182 dt-bindings: rtc: imxdi: Improve the bindings text 
Improve the bindings text by doing the following changes:

- Remove the i.MX53 reference, as the RTC on i.MX53 is a different hardware
- Add 'clocks' to the list of required properties
- Explain that the optional security violation irq is the second entry
- Use the real unit address and irq numbers for i.MX25

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Juergen Borleis <jbe@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
 2017-11-20 22:48:20 +01:00
Jonathan Neuschäfer def4db33e6 dt-bindings: trivial-devices: Remove fsl,mc13892 
This device's bindings are not trivial: Additional properties are
documented in in Documentation/devicetree/bindings/mfd/mc13xxx.txt.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
 2017-11-20 12:26:23 -06:00
Randy Dunlap e7e61fc0ba Documentation: fix profile= options in kernel-parameters.txt 
Correctly the formatting of several additions to the profile= option
that have been added by using <profiletype> and listing the choices
for it.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2017-11-20 11:05:08 -07:00
Randy Dunlap 0cf9bb67f5 documentation/svga.txt: update outdated file 
Drop CONFIG_VIDEO_400_HACK info completely.
Drop CONFIG_VIDEO_RETAIN and CONFIG_VIDEO_LOCAL completely.
Drop CONFIG_VIDEO_COMPACT and CONFIG_VIDEO_VESA info completely.
Drop CONFIG_VIDEO_SVGA info since it has been removed.
Drop chapter number & section number references since they are wrong.
Drop (bad) ftp URL for 800x600 Thinkpad XF86Config.

Rename CONFIG_VIDEO_GFX_HACK to VIDEO_GFX_HACK since it is not a
Kconfig symbol. And to match the source code.

Build options are controlled by the kernel kconfig utility.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-By: Martin Mares <mj@ucw.cz>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2017-11-20 10:45:50 -07:00
SeongJae Park 80416fb43e kokr/memory-barriers.txt: Fix typo in paring example 
This commit applies an upstream change, commit d92f842bb3
("memory-barriers.txt: Fix typo in pairing example") to the Korean
translation.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2017-11-20 10:44:22 -07:00
SeongJae Park 578152da87 kokr/memory-barriers/txt: Replace uses of "transitive" 
This commit applies two upstream change, commit f1ab25a30c
("memory-barriers: Replace uses of "transitive"") and commit 0902b1f44a
("memory-barriers: Rework multicopy-atomicity section") to the Korean
translation.  Those two changes are applied with this signle commit
because the second change is improvement of the first one.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2017-11-20 10:44:10 -07:00
Greg Kroah-Hartman 8ee25f6fcf Documentation/process: add Co-Developed-by: tag for patches with multiple authors 
Sometimes a single patch is the result of multiple authors.  As git only
can have one "author" of a patch, it is still good to properly give
credit to the other developers of a commit.  To address this, document
the "Co-Developed-by:" tag which can be used to show other authors of
the patch.

Note, these other authors must also provide a Signed-off-by: tag as it
is their work that is being submitted here.

Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 2017-11-20 10:43:06 -07:00
Linus Torvalds c8a0739b18 Support for the switchtec ntb and related changes. Also, a couple of 
bug fixes.
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Merge tag 'ntb-4.15' of git://github.com/jonmason/ntb

Pull ntb updates from Jon Mason:
 "Support for the switchtec ntb and related changes. Also, a couple of
  bug fixes"

[ The timing isn't great. I had asked people to send me pull requests
  before my family vacation, and this code has not even been in
  linux-next as far as I can tell. But Logan Gunthorpe pleaded for its
  inclusion because the Switchtec driver has apparently been around for
  a while, just never in linux-next - Linus ]

* tag 'ntb-4.15' of git://github.com/jonmason/ntb:
  ntb: intel: remove b2b memory window workaround for Skylake NTB
  NTB: make idt_89hpes_cfg const
  NTB: switchtec_ntb: Update switchtec documentation with notes for NTB
  NTB: switchtec_ntb: Add memory window support
  NTB: switchtec_ntb: Implement scratchpad registers
  NTB: switchtec_ntb: Implement doorbell registers
  NTB: switchtec_ntb: Add link management
  NTB: switchtec_ntb: Add skeleton NTB driver
  NTB: switchtec_ntb: Initialize hardware for doorbells and messages
  NTB: switchtec_ntb: Initialize hardware for memory windows
  NTB: switchtec_ntb: Introduce initial NTB driver
  NTB: Add check and comment for link up to mw_count() and mw_get_align()
  NTB: Ensure ntb_mw_get_align() is only called when the link is up
  NTB: switchtec: Add link event notifier callback
  NTB: switchtec: Add NTB hardware register definitions
  NTB: switchtec: Export class symbol for use in upper layer driver
  NTB: switchtec: Move structure definitions into a common header
  ntb: update maintainer list for Intel NTB driver
 2017-11-19 20:41:53 -10:00
Logan Gunthorpe d0450244a4 NTB: switchtec_ntb: Update switchtec documentation with notes for NTB 
The switchtec_ntb driver has a couple requirements on the switchec's
hardware configuration so we add these notes to the documentation.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Bates <sbates@raithlin.com>
Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
 2017-11-18 20:37:13 -05:00
Linus Torvalds 07c455ee22 platform-drivers-x86 for v4.15-1 
For this cycle we have quite an update for the Dell SMBIOS driver
 including WMI work to provide an interface for SMBIOS tokens via sysfs
 and WMI support for 2017+ Dell laptop models. SMM dispatcher code is
 split into a separate driver followed by a new WMI dispatcher.
 The latter provides a character device interface to user space.
 
 The pull request contains a merge of immutable branch from Wolfram Sang
 in order to apply a dependent fix to the Intel CherryTrail Battery
 Management driver.
 
 Other Intel drivers got a lot of cleanups. The Turbo Boost Max 3.0
 support is added for Intel Skylake.
 
 Peaq WMI hotkeys driver gets its own maintainer and white list of
 supported models.
 
 Silead DMI is expanded to support few additional platforms.
 
 Tablet mode via GMMS ACPI method is added to support some ThinkPad
 tablets.
 
 Two commits appear here which were previously merged during the
 v4.14-rcX cycle:
 
 - d7ca5ebf24 platform/x86: intel_pmc_ipc: Use devm_* calls in driver probe function
 - e3075fd6f8 platform/x86: intel_pmc_ipc: Use spin_lock to protect GCR updates
 
 Add driver to force WMI Thunderbolt controller power status:
  - Add driver to force WMI Thunderbolt controller power status
 
 asus-wmi:
  -  Add lightbar led support
 
 dell-laptop:
  -  Allocate buffer before rfkill use
 
 dell-smbios:
  -  fix string overflow
  -  Add filtering support
  -  Introduce dispatcher for SMM calls
  -  Add a sysfs interface for SMBIOS tokens
  -  only run if proper oem string is detected
  -  Prefix class/select with cmd_
  -  Add pr_fmt definition to driver
 
 dell-smbios-smm:
  -  test for WSMT
 
 dell-smbios-wmi:
  -  release mutex lock on WMI call failure
  -  introduce userspace interface
  -  Add new WMI dispatcher driver
 
 dell-smo8800:
  -  remove redundant assignments to byte_data
 
 dell-wmi:
  -  don't check length returned
  -  clean up wmi descriptor check
  -  increase severity of some failures
  -  Do not match on descriptor GUID modalias
  -  Label driver as handling notifications
 
 dell-*wmi*:
  -  Relay failed initial probe to dependent drivers
 
 dell-wmi-descriptor:
  -  check if memory was allocated
  -  split WMI descriptor into it's own driver
 
 fujitsu-laptop:
  -  Fix radio LED detection
  -  Don't oops when FUJ02E3 is not presnt
 
 hp_accel:
  -  Add quirk for HP ProBook 440 G4
 
 hp-wmi:
  -  Fix tablet mode detection for convertibles
 
 ideapad-laptop:
  -  Add Lenovo Yoga 920-13IKB to no_hw_rfkill dmi list
 
 intel_cht_int33fe:
  -  Update fusb302 type string, add properties
  -  make a couple of local functions static
  -  Work around BIOS bug on some devices
 
 intel-hid:
  -  Power button suspend on Dell Latitude 7275
 
 intel_ips:
  -  Convert timers to use timer_setup()
  -  Remove FSF address from GPL notice
  -  Remove unneeded fields and label
  -  Keep pointer to struct device
  -  Use PCI_VDEVICE() macro
  -  Switch to new PCI IRQ allocation API
  -  Simplify error handling via devres API
 
 intel_pmc_ipc:
  -  Revert Use MFD framework to create dependent devices
  -  Use MFD framework to create dependent devices
  -  Use spin_lock to protect GCR updates
  -  Use devm_* calls in driver probe function
 
 intel_punit_ipc:
  -  Fix resource ioremap warning
 
 intel_telemetry:
  -  Remove useless default in Kconfig
  -  Add needed inclusion
  -  cleanup redundant headers
  -  Fix typos
  -  Fix load failure info
 
 intel_telemetry_debugfs:
  -  Use standard ARRAY_SIZE() macro
 
 intel_turbo_max_3:
  -  Add Skylake platform
 
 intel-wmi-thunderbolt:
  -  Silence error cases
 
 MAINTAINERS:
  -  Add entry for the PEAQ WMI hotkeys driver
 
 mlx-platform:
  -  make a couple of structures static
 
 peaq_wmi:
  -  Fix missing terminating entry for peaq_dmi_table
 
 peaq-wmi:
  -  Remove unnecessary checks from peaq_wmi_exit
  -  Add DMI check before binding to the WMI interface
  -  Revert Blacklist Lenovo ideapad 700-15ISK
  -  Blacklist Lenovo ideapad 700-15ISK
 
 silead_dmi:
  -  Add silead, home-button property to some tablets
  -  Add entry for the Digma e200 tablet
  -  Fix GP-electronic T701 entry
  -  Add entry for the Chuwi Hi8 Pro tablet
 
 sony-laptop:
  -  Drop variable assignment in sony_nc_setup_rfkill()
  -  Fix error handling in sony_nc_setup_rfkill()
 
 thinkpad_acpi:
  -  Implement tablet mode using GMMS method
 
 tools/wmi:
  -  add a sample for dell smbios communication over WMI
 
 wmi:
  -  release mutex on module acquistion failure
  -  create userspace interface for drivers
  -  Don't allow drivers to get each other's GUIDs
  -  Add new method wmidev_evaluate_method
  -  Destroy on cleanup rather than unregister
  -  Cleanup exit routine in reverse order of init
  -  Sort include list
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Merge tag 'platform-drivers-x86-v4.15-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Andy Shevchenko:
 "Here is the collected material against Platform Drivers x86 subsystem.
  It's rather bit busy cycle for PDx86, mostly due to Dell SMBIOS driver
  activity

  For this cycle we have quite an update for the Dell SMBIOS driver
  including WMI work to provide an interface for SMBIOS tokens via sysfs
  and WMI support for 2017+ Dell laptop models. SMM dispatcher code is
  split into a separate driver followed by a new WMI dispatcher. The
  latter provides a character device interface to user space.

  The git history also contains a merge of immutable branch from Wolfram
  Sang in order to apply a dependent fix to the Intel CherryTrail
  Battery Management driver.

  Other Intel drivers got a lot of cleanups. The Turbo Boost Max 3.0
  support is added for Intel Skylake.

  Peaq WMI hotkeys driver gets its own maintainer and white list of
  supported models.

  Silead DMI is expanded to support few additional platforms.

  Tablet mode via GMMS ACPI method is added to support some ThinkPad
  tablets.

  new driver:
   - Add driver to force WMI Thunderbolt controller power status

  asus-wmi:
   -  Add lightbar led support

  dell-laptop:
   -  Allocate buffer before rfkill use

  dell-smbios:
   -  fix string overflow
   -  Add filtering support
   -  Introduce dispatcher for SMM calls
   -  Add a sysfs interface for SMBIOS tokens
   -  only run if proper oem string is detected
   -  Prefix class/select with cmd_
   -  Add pr_fmt definition to driver

  dell-smbios-smm:
   -  test for WSMT

  dell-smbios-wmi:
   -  release mutex lock on WMI call failure
   -  introduce userspace interface
   -  Add new WMI dispatcher driver

  dell-smo8800:
   -  remove redundant assignments to byte_data

  dell-wmi:
   -  don't check length returned
   -  clean up wmi descriptor check
   -  increase severity of some failures
   -  Do not match on descriptor GUID modalias
   -  Label driver as handling notifications

  dell-*wmi*:
   -  Relay failed initial probe to dependent drivers

  dell-wmi-descriptor:
   -  check if memory was allocated
   -  split WMI descriptor into it's own driver

  fujitsu-laptop:
   -  Fix radio LED detection
   -  Don't oops when FUJ02E3 is not presnt

  hp_accel:
   -  Add quirk for HP ProBook 440 G4

  hp-wmi:
   -  Fix tablet mode detection for convertibles

  ideapad-laptop:
   -  Add Lenovo Yoga 920-13IKB to no_hw_rfkill dmi list

  intel_cht_int33fe:
   -  Update fusb302 type string, add properties
   -  make a couple of local functions static
   -  Work around BIOS bug on some devices

  intel-hid:
   -  Power button suspend on Dell Latitude 7275

  intel_ips:
   -  Convert timers to use timer_setup()
   -  Remove FSF address from GPL notice
   -  Remove unneeded fields and label
   -  Keep pointer to struct device
   -  Use PCI_VDEVICE() macro
   -  Switch to new PCI IRQ allocation API
   -  Simplify error handling via devres API

  intel_pmc_ipc:
   -  Revert Use MFD framework to create dependent devices
   -  Use MFD framework to create dependent devices
   -  Use spin_lock to protect GCR updates
   -  Use devm_* calls in driver probe function

  intel_punit_ipc:
   -  Fix resource ioremap warning

  intel_telemetry:
   -  Remove useless default in Kconfig
   -  Add needed inclusion
   -  cleanup redundant headers
   -  Fix typos
   -  Fix load failure info

  intel_telemetry_debugfs:
   -  Use standard ARRAY_SIZE() macro

  intel_turbo_max_3:
   -  Add Skylake platform

  intel-wmi-thunderbolt:
   -  Silence error cases

  mlx-platform:
   -  make a couple of structures static

  peaq_wmi:
   -  Fix missing terminating entry for peaq_dmi_table

  peaq-wmi:
   -  Remove unnecessary checks from peaq_wmi_exit
   -  Add DMI check before binding to the WMI interface
   -  Revert Blacklist Lenovo ideapad 700-15ISK
   -  Blacklist Lenovo ideapad 700-15ISK

  silead_dmi:
   -  Add silead, home-button property to some tablets
   -  Add entry for the Digma e200 tablet
   -  Fix GP-electronic T701 entry
   -  Add entry for the Chuwi Hi8 Pro tablet

  sony-laptop:
   -  Drop variable assignment in sony_nc_setup_rfkill()
   -  Fix error handling in sony_nc_setup_rfkill()

  thinkpad_acpi:
   -  Implement tablet mode using GMMS method

  tools/wmi:
   -  add a sample for dell smbios communication over WMI

  wmi:
   -  release mutex on module acquistion failure
   -  create userspace interface for drivers
   -  Don't allow drivers to get each other's GUIDs
   -  Add new method wmidev_evaluate_method
   -  Destroy on cleanup rather than unregister
   -  Cleanup exit routine in reverse order of init
   -  Sort include list"

* tag 'platform-drivers-x86-v4.15-1' of git://git.infradead.org/linux-platform-drivers-x86: (74 commits)
  platform/x86: silead_dmi: Add silead, home-button property to some tablets
  platform/x86: dell-laptop: Allocate buffer before rfkill use
  platform/x86: dell-*wmi*: Relay failed initial probe to dependent drivers
  platform/x86: dell-wmi-descriptor: check if memory was allocated
  platform/x86: Revert intel_pmc_ipc: Use MFD framework to create dependent devices
  platform/x86: dell-smbios-wmi: release mutex lock on WMI call failure
  platform/x86: wmi: release mutex on module acquistion failure
  platform/x86: dell-smbios: fix string overflow
  platform/x86: intel_pmc_ipc: Use MFD framework to create dependent devices
  platform/x86: intel_punit_ipc: Fix resource ioremap warning
  platform/x86: dell-smo8800: remove redundant assignments to byte_data
  platform/x86: hp-wmi: Fix tablet mode detection for convertibles
  platform/x86: intel_ips: Convert timers to use timer_setup()
  platform/x86: sony-laptop: Drop variable assignment in sony_nc_setup_rfkill()
  platform/x86: sony-laptop: Fix error handling in sony_nc_setup_rfkill()
  tools/wmi: add a sample for dell smbios communication over WMI
  platform/x86: dell-smbios-wmi: introduce userspace interface
  platform/x86: wmi: create userspace interface for drivers
  platform/x86: dell-smbios: Add filtering support
  platform/x86: dell-smbios-smm: test for WSMT
  ...
 2017-11-18 10:26:57 -08:00
Linus Torvalds 4f88bd23ba remoteproc updates for v4.15 
This adds an interface for configuring Qualcomm's "secure SMMU" and adds
 support for booting the modem Hexagon on MSM8996.
 
 Two new debugfs entries are added in the remoteproc core to introspect the list
 of memory carveouts and the loaded resource table.
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Merge tag 'rproc-v4.15' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This adds an interface for configuring Qualcomm's "secure SMMU" and
  adds support for booting the modem Hexagon on MSM8996.

  Two new debugfs entries are added in the remoteproc core to introspect
  the list of memory carveouts and the loaded resource table"

* tag 'rproc-v4.15' of git://github.com/andersson/remoteproc:
  remoteproc: qcom: Fix error handling paths in order to avoid memory leaks
  remoteproc: qcom: Drop pr_err in q6v5_xfer_mem_ownership()
  remoteproc: debug: add carveouts list dump feature
  remoteproc: debug: add resource table dump feature
  remoteproc: qcom: Add support for mss remoteproc on msm8996
  remoteproc: qcom: Make secure world call for mem ownership switch
  remoteproc: qcom: refactor mss fw image loading sequence
  firmware: scm: Add new SCM call API for switching memory ownership
 2017-11-17 20:14:10 -08:00
Linus Torvalds bedf571986 rpmsg updates for v4.15 
This turn RPMSG_VIRTIO into a user selectable config, fixes a few bugs in GLINK
 and provides the support for specifying initial buffer sizes for GLINK
 channels.
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Merge tag 'rpmsg-v4.15' of git://github.com/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:

 - turn RPMSG_VIRTIO into a user selectable config

 - fix few bugs in GLINK

 - provide the support for specifying initial buffer sizes for GLINK
   channels.

* tag 'rpmsg-v4.15' of git://github.com/andersson/remoteproc:
  rpmsg: glink: The mbox client knows_txdone
  rpmsg: glink: Add missing MODULE_LICENSE
  rpmsg: glink: Use best fit intent during tx
  rpmsg: glink: Add support to preallocate intents
  dt-bindings: soc: qcom: Support GLINK intents
  rpmsg: glink: Initialize the "intent_req_comp" completion variable
  rpmsg: Allow RPMSG_VIRTIO to be enabled via menuconfig or defconfig
 2017-11-17 20:12:08 -08:00
Linus Torvalds fc35c1966e We have two changes to the core framework this time around. The first being a 
large change that introduces runtime PM support to the clk framework. Now we
 properly call runtime PM operations on the device providing a clk when the clk
 is in use. This helps on SoCs where the clks provided by a device need
 something to be powered on before using the clks, like power domains or
 regulators. It also helps power those things down when clks aren't in use. The
 other core change is a devm API addition for clk providers so we can get rid of
 a bunch of clk driver remove functions that are just doing
 of_clk_del_provider().
 
 Outside of the core, we have the usual addition of clk drivers and smattering
 of non-critical fixes to existing drivers. The biggest diff is support for
 Mediatek MT2712 and MT7622 SoCs, but those patches really just add a bunch
 of data.
 
 By the way, we're trying something new here where we build the tree up with
 topic branches. We plan to work this into our workflow so that we don't step
 on each other's toes, and so the fixes branch can be merged on an as-needed
 basis.
 
 Core:
  - Runtime PM support for clk providers
  - devm API for of_clk_add_hw_provider()
 
 New Drivers:
  - Mediatek MT2712 and MT7622
  - Renesas R-Car V3M SoC
 
 Updates:
  - Runtime PM support for Samsung exynos5433/exynos4412 providers
  - Removal of clkdev aliases on Samsung SoCs
  - Convert clk-gpio to use gpio descriptors
  - Various driver cleanups to match kernel coding style
  - Amlogic Video Processing Unit VPU and VAPB clks
  - Sigma-delta modulation for Allwinner audio PLLs
  - Allwinner A83t Display clks
  - Support for the second display unit clock on Renesas RZ/G1E
  - Suspend/resume support for Renesas R-Car Gen3 CPG/MSSR
  - New clock ids for Rockchip rk3188 and rk3368 SoCs
  - Various 'const' markings on clk_ops structures
  - RPM clk support on Qualcomm MSM8996/MSM8660 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:
 "We have two changes to the core framework this time around.

  The first being a large change that introduces runtime PM support to
  the clk framework. Now we properly call runtime PM operations on the
  device providing a clk when the clk is in use. This helps on SoCs
  where the clks provided by a device need something to be powered on
  before using the clks, like power domains or regulators. It also helps
  power those things down when clks aren't in use.

  The other core change is a devm API addition for clk providers so we
  can get rid of a bunch of clk driver remove functions that are just
  doing of_clk_del_provider().

  Outside of the core, we have the usual addition of clk drivers and
  smattering of non-critical fixes to existing drivers. The biggest diff
  is support for Mediatek MT2712 and MT7622 SoCs, but those patches
  really just add a bunch of data.

  By the way, we're trying something new here where we build the tree up
  with topic branches. We plan to work this into our workflow so that we
  don't step on each other's toes, and so the fixes branch can be merged
  on an as-needed basis.

  Summary:

  Core:
   - runtime PM support for clk providers
   - devm API for of_clk_add_hw_provider()

  New Drivers:
   - Mediatek MT2712 and MT7622
   - Renesas R-Car V3M SoC

  Updates:
   - runtime PM support for Samsung exynos5433/exynos4412 providers
   - removal of clkdev aliases on Samsung SoCs
   - convert clk-gpio to use gpio descriptors
   - various driver cleanups to match kernel coding style
   - Amlogic Video Processing Unit VPU and VAPB clks
   - sigma-delta modulation for Allwinner audio PLLs
   - Allwinner A83t Display clks
   - support for the second display unit clock on Renesas RZ/G1E
   - suspend/resume support for Renesas R-Car Gen3 CPG/MSSR
   - new clock ids for Rockchip rk3188 and rk3368 SoCs
   - various 'const' markings on clk_ops structures
   - RPM clk support on Qualcomm MSM8996/MSM8660 SoCs"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits)
  clk: stm32h7: fix test of clock config
  clk: pxa: fix building on older compilers
  clk: sunxi-ng: a83t: Fix i2c buses bits
  clk: ti: dra7-atl-clock: fix child-node lookups
  clk: qcom: common: fix legacy board-clock registration
  clk: uniphier: fix DAPLL2 clock rate of Pro5
  clk: uniphier: fix parent of miodmac clock data
  clk: hi3798cv200: correct parent mux clock for 'clk_sdio0_ciu'
  clk: hisilicon: Delete an error message for a failed memory allocation in hisi_register_clkgate_sep()
  clk: hi3660: fix incorrect uart3 clock freqency
  clk: kona-setup: Delete error messages for failed memory allocations
  ARC: clk: fix spelling mistake: "configurarion" -> "configuration"
  clk: cdce925: remove redundant check for non-null parent_name
  clk: versatile: Improve sizeof() usage
  clk: versatile: Delete error messages for failed memory allocations
  clk: ux500: Improve sizeof() usage
  clk: ux500: Delete error messages for failed memory allocations
  clk: spear: Delete error messages for failed memory allocations
  clk: ti: Delete error messages for failed memory allocations
  clk: mmp: Adjust checks for NULL pointers
  ...
 2017-11-17 20:04:24 -08:00
Bjørn Forsman 16f8259ca7 kbuild: /bin/pwd -> pwd 
Most places use pwd and rely on $PATH lookup. Moving the remaining
absolute path /bin/pwd users over for consistency.

Also, a reason for doing /bin/pwd -> pwd instead of the other way around
is because I believe build systems should make little assumptions on
host filesystem layout. Case in point, we do this kind of patching
already in NixOS.

Ref. commit 028568d84d
("kbuild: revert $(realpath ...) to $(shell cd ... && /bin/pwd)").

Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2017-11-18 11:32:27 +09:00
Linus Torvalds 2ce079f04d Kbuild misc updates for v4.15 
- Clean up and fix RPM package build
 
 - Fix a warning in DEB package build
 
 - Improve coccicheck script
 
 - Improve some semantic patches
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Merge tag 'kbuild-misc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild misc updates from Masahiro Yamada:

 - Clean up and fix RPM package build

 - Fix a warning in DEB package build

 - Improve coccicheck script

 - Improve some semantic patches

* tag 'kbuild-misc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  docs: dev-tools: coccinelle: delete out of date wiki reference
  coccinelle: orplus: reorganize to improve performance
  coccinelle: use exists to improve efficiency
  builddeb: Pass the kernel:debarch substvar to dpkg-genchanges
  Coccinelle: use false positive annotation
  coccinelle: fix verbose message about .cocci file being run
  coccinelle: grep Options and Requires fields more precisely
  Coccinelle: make DEBUG_FILE option more useful
  coccinelle: api: detect identical chip data arrays
  coccinelle: Improve setup_timer.cocci matching
  Coccinelle: setup_timer: improve messages from setup_timer
  kbuild: rpm-pkg: do not force -jN in submake
  kbuild: rpm-pkg: keep spec file until make mrproper
  kbuild: rpm-pkg: fix jobserver unavailable warning
  kbuild: rpm-pkg: replace $RPM_BUILD_ROOT with %{buildroot}
  kbuild: rpm-pkg: fix build error when CONFIG_MODULES is disabled
  kbuild: rpm-pkg: refactor mkspec with here doc
  kbuild: rpm-pkg: clean up mkspec
  kbuild: rpm-pkg: install vmlinux.bz2 unconditionally
  kbuild: rpm-pkg: remove ppc64 specific image handling
 2017-11-17 17:51:33 -08:00
Linus Torvalds fa7f578076 Merge branch 'akpm' (patches from Andrew) 
Merge more updates from Andrew Morton:

 - a bit more MM

 - procfs updates

 - dynamic-debug fixes

 - lib/ updates

 - checkpatch

 - epoll

 - nilfs2

 - signals

 - rapidio

 - PID management cleanup and optimization

 - kcov updates

 - sysvipc updates

 - quite a few misc things all over the place

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits)
  EXPERT Kconfig menu: fix broken EXPERT menu
  include/asm-generic/topology.h: remove unused parent_node() macro
  arch/tile/include/asm/topology.h: remove unused parent_node() macro
  arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro
  arch/sh/include/asm/topology.h: remove unused parent_node() macro
  arch/ia64/include/asm/topology.h: remove unused parent_node() macro
  drivers/pcmcia/sa1111_badge4.c: avoid unused function warning
  mm: add infrastructure for get_user_pages_fast() benchmarking
  sysvipc: make get_maxid O(1) again
  sysvipc: properly name ipc_addid() limit parameter
  sysvipc: duplicate lock comments wrt ipc_addid()
  sysvipc: unteach ids->next_id for !CHECKPOINT_RESTORE
  initramfs: use time64_t timestamps
  drivers/watchdog: make use of devm_register_reboot_notifier()
  kernel/reboot.c: add devm_register_reboot_notifier()
  kcov: update documentation
  Makefile: support flag -fsanitizer-coverage=trace-cmp
  kcov: support comparison operands collection
  kcov: remove pointless current != NULL check
  kernel/panic.c: add TAINT_AUX
  ...
 2017-11-17 16:56:17 -08:00
Victor Chibotaru c512ac01d8 kcov: update documentation 
The updated documentation describes new KCOV mode for collecting
comparison operands.

Link: http://lkml.kernel.org/r/20171011095459.70721-3-glider@google.com
Signed-off-by: Victor Chibotaru <tchibo@google.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: <syzkaller@googlegroups.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-11-17 16:10:04 -08:00
Kangmin Park 2743232c0c Documentation/sysctl/vm.txt: fix typo 
Link: http://lkml.kernel.org/r/CAKW4uUyCi=PnKf3epgFVz8z=1tMtHSOHNm+fdNxrNw3-THvRCA@mail.gmail.com
Signed-off-by: Kangmin Park <l4stpr0gr4m@gmail.com>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-11-17 16:10:03 -08:00
Randy Dunlap 8c188759fb dynamic_debug documentation: minor fixes 
Fix minor typo.

Fix missing words in explaining parsing of last line number.

Link: http://lkml.kernel.org/r/ebb7ff42-4945-103f-d5b4-f07a6f3343a7@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-11-17 16:10:01 -08:00
Andi Kleen b1fca27d38 kernel debug: support resetting WARN*_ONCE 
I like _ONCE warnings because it's guaranteed that they don't flood the
log.

During testing I find it useful to reset the state of the once warnings,
so that I can rerun tests and see if they trigger again, or can
guarantee that a test run always hits the same warnings.

This patch adds a debugfs interface to reset all the _ONCE warnings so
that they appear again:

  echo 1 > /sys/kernel/debug/clear_warn_once

This is implemented by putting all the warning booleans into a special
section, and clearing it.

[akpm@linux-foundation.org: coding-style fixes]
Link: http://lkml.kernel.org/r/20171017221455.6740-1-andi@firstfloor.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-11-17 16:10:00 -08:00
Roman Gushchin c643401218 proc, coredump: add CoreDumping flag to /proc/pid/status 
Right now there is no convenient way to check if a process is being
coredumped at the moment.

It might be necessary to recognize such state to prevent killing the
process and getting a broken coredump.  Writing a large core might take
significant time, and the process is unresponsive during it, so it might
be killed by timeout, if another process is monitoring and
killing/restarting hanging tasks.

We're getting a significant number of corrupted coredump files on
machines in our fleet, just because processes are being killed by
timeout in the middle of the core writing process.

We do have a process health check, and some agent is responsible for
restarting processes which are not responding for health check requests.
Writing a large coredump to the disk can easily exceed the reasonable
timeout (especially on an overloaded machine).

This flag will allow the agent to distinguish processes which are being
coredumped, extend the timeout for them, and let them produce a full
coredump file.

To provide an ability to detect if a process is in the state of being
coredumped, we can expose a boolean CoreDumping flag in
/proc/pid/status.

Example:
$ cat core.sh
  #!/bin/sh

  echo "|/usr/bin/sleep 10" > /proc/sys/kernel/core_pattern
  sleep 1000 &
  PID=$!

  cat /proc/$PID/status | grep CoreDumping
  kill -ABRT $PID
  sleep 1
  cat /proc/$PID/status | grep CoreDumping

$ ./core.sh
  CoreDumping:	0
  CoreDumping:	1

[guro@fb.com: document CoreDumping flag in /proc/<pid>/status]
  Link: http://lkml.kernel.org/r/20170928135357.GA8470@castle.DHCP.thefacebook.com
Link: http://lkml.kernel.org/r/20170920230634.31572-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-11-17 16:10:00 -08:00
Linus Torvalds e75080f185 Two power management fixes for v4.15-rc1 
This is the change making /proc/cpuinfo on x86 report current
 CPU frequency in "cpu MHz" again in all cases and an additional
 one dealing with an overzealous check in one of the helper
 routines in the runtime PM framework.
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Merge tag 'pm-fixes-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull two power management fixes from Rafael Wysocki:
 "This is the change making /proc/cpuinfo on x86 report current CPU
  frequency in "cpu MHz" again in all cases and an additional one
  dealing with an overzealous check in one of the helper routines in the
  runtime PM framework"

* tag 'pm-fixes-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / runtime: Drop children check from __pm_runtime_set_status()
  x86 / CPU: Always show current CPU frequency in /proc/cpuinfo
 2017-11-17 14:49:25 -08:00
Linus Torvalds f6705bf959 amdgpu DC display code for Vega. 
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Merge tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux

Pull amdgpu DC display code for Vega from Dave Airlie:
 "This is the pull request for the AMD DC (display code) layer which is
  a requirement to program the display engines on the new Vega and Raven
  based GPUs. It also contains support for all amdgpu supported GPUs
  (CIK, VI, Polaris), which has to be enabled. It is also a kms atomic
  modesetting compatible driver (unlike the current in-tree display
  code).

  I've kept it separate from drm-next because it may have some things
  that cause you to reject it.

  Background story:

  AMD have an internal team creating a shared OS codebase for display at
  hw bring up time using information from their hardware teams. This
  process doesn't lead to the most Linux friendly/looking code but we
  have worked together on cleaning a lot of it up and dealing with
  sparse/smatch/checkpatch, and having their team internally adhere to
  Linux coding standards.

  This tree is a complete history rebased since they started opening it,
  we decided not to squash it down as the history may have some value.
  Some of the commits therefore might not reach kernel standards, and we
  are steadily training people in AMD to better write commit msgs.

  There is a major bunch of generated bandwidth calculation and
  verification code that comes from their hardware team. On Vega and
  before this is float calculations, on Raven (DCN10) this is double
  based. They do the required things to do FP in the kernel, and I could
  understand this might raise some issues. Rewriting the bandwidth would
  be a major undertaken in reverification, it's non-trivial to work out
  if a display can handle the complete set of mode information thrown at
  it.

  Future story:

  There is a TODO list with this, and it address most of the remaining
  things that would be nice to refine/remove. The DCN10 code is still
  under development internally and they push out a lot of patches quite
  regularly and are supporting this code base with their display team. I
  think we've reached the point where keeping it out of tree is going to
  motivate distributions to start carrying the code, so I'd prefer we
  get it in tree. I think this code is slightly better than STAGING
  quality but not massively so, I'd really like to see that float/double
  magic gone and fixed point used, but AMD don't seem to think the
  accuracy and revalidation of the code is worth the effort"

* tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux: (1110 commits)
  drm/amd/display: fix MST link training fail division by 0
  drm/amd/display: Fix formatting for null pointer dereference fix
  drm/amd/display: Remove dangling planes on dc commit state
  drm/amd/display: add flip_immediate to commit update for stream
  drm/amd/display: Miss register MST encoder cbs
  drm/amd/display: Fix warnings on S3 resume
  drm/amd/display: use num_timing_generator instead of pipe_count
  drm/amd/display: use configurable FBC option in dm
  drm/amd/display: fix AZ clock not enabled before program AZ endpoint
  amdgpu/dm: Don't use DRM_ERROR in amdgpu_dm_atomic_check
  amd/display: Fix potential null dereference in dce_calcs.c
  amdgpu/dm: Remove unused forward declaration
  drm/amdgpu: Remove unused dc_stream from amdgpu_crtc
  amdgpu/dc: Fix double unlock in amdgpu_dm_commit_planes
  amdgpu/dc: Fix missing null checks in amdgpu_dm.c
  amdgpu/dc: Fix potential null dereferences in amdgpu_dm.c
  amdgpu/dc: fix more indentation warnings
  amdgpu/dc: handle allocation failures in dc_commit_planes_to_stream.
  amdgpu/dc: fix indentation warning from smatch.
  amdgpu/dc: fix non-ansi function decls.
  ...
 2017-11-17 14:34:42 -08:00
Linus Torvalds bec04432cb Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 
Pull thermal management updates from Zhang Rui:

 - introduce brcmstb AVS TMON thermal driver (Brian Norris)

 - add Rockchip RV1108 support in rockchip thermal driver (Rocky Hao)

 - major rework on HISI driver plus additional support of hisi3660
   (Daniel Lezcano)

 - add nvmem-cells binding on imx6sx (Leonard Crestez)

 - fix a NULL pointer dereference on ti thermal driver unloading (Tony
   Lindgren)

 - improve tmon tool to make it easier to cross-compile tmon (Markus
   Mayer)

 - add Coffee Lake and Cannon Lake support for intel processor and pch
   thermal drivers (Srinivas Pandruvada)

 - other small fixes and cleanups (Arvind Yadav, Colin Ian King, Allen
   Wild, Nicolin Chen, Baruch SiachNiklas Söderlund, Arnd Bergmann)

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (44 commits)
  thermal: pch: Add Cannon Lake support
  thermal: int340x: processor_thermal: Add Coffee Lake support
  thermal: int340x: processor_thermal: Add Cannon Lake support
  thermal: bxt: remove redundant variable trip
  thermal: cpu_cooling: pr_err() strings should end with newlines
  thermal: add brcmstb AVS TMON driver
  Documentation: devicetree: add binding for Broadcom STB AVS TMON
  thermal/drivers/hisi: Add support for hi3660 SoC
  thermal/drivers/hisi: Prepare to add support for other hisi platforms
  thermal/drivers/hisi: Add platform prefix to function name
  thermal/drivers/hisi: Put platform code together
  thermal/drivers/qcom-spmi: Use devm_iio_channel_get
  thermal/drivers/generic-iio-adc: Switch tz request to devm version
  thermal/drivers/step_wise: Fix temperature regulation misbehavior
  thermal/drivers/hisi: Use round up step value
  thermal/drivers/hisi: Move the clk setup in the corresponding functions
  thermal/drivers/hisi: Remove mutex_lock in the code
  thermal/drivers/hisi: Remove thermal data back pointer
  thermal/drivers/hisi: Convert long to int
  thermal/drivers/hisi: Rename and remove unused field
  ...
 2017-11-17 14:31:27 -08:00
Linus Torvalds cbda1b270f Merge branch 'work.cramfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull cramfs updates from Al Viro:
 "Nicolas Pitre's cramfs work"

* 'work.cramfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  cramfs: rehabilitate it
  cramfs: add mmap support
  cramfs: implement uncompressed and arbitrary data block positioning
  cramfs: direct memory access support
 2017-11-17 13:20:41 -08:00
Linus Torvalds ca5b857cb0 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull misc vfs updates from Al Viro:
 "Assorted stuff, really no common topic here"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  vfs: grab the lock instead of blocking in __fd_install during resizing
  vfs: stop clearing close on exec when closing a fd
  include/linux/fs.h: fix comment about struct address_space
  fs: make fiemap work from compat_ioctl
  coda: fix 'kernel memory exposure attempt' in fsync
  pstore: remove unneeded unlikely()
  vfs: remove unneeded unlikely()
  stubs for mount_bdev() and kill_block_super() in !CONFIG_BLOCK case
  make vfs_ustat() static
  do_handle_open() should be static
  elf_fdpic: fix unused variable warning
  fold destroy_super() into __put_super()
  new helper: destroy_unused_super()
  fix address space warnings in ipc/
  acct.h: get rid of detritus
 2017-11-17 12:54:01 -08:00
Linus Torvalds 06ede5f608 Merge branch 'for-linus' of git://git.kernel.dk/linux-block 
Pull more block layer updates from Jens Axboe:
 "A followup pull request, with some parts that either needed a bit more
  testing before going in, merge sync, or just later arriving fixes.
  This contains:

   - Timer related updates from Kees. These were purposefully delayed
     since I didn't want to pull in a later v4.14-rc tag to my block
     tree.

   - ide-cd prep sense buffer fix from Bart. Also delayed, as not to
     clash with the late fix we put into 4.14-rc.

   - Small BFQ updates series from Luca and Paolo.

   - Single nvmet fix from James, fixing a non-functional case there.

   - Bio fast clone fix from Michael, which made bcache return the wrong
     data for some cases.

   - Legacy IO path regression hang fix from Ming"

* 'for-linus' of git://git.kernel.dk/linux-block:
  bio: ensure __bio_clone_fast copies bi_partno
  nvmet_fc: fix better length checking
  block: wake up all tasks blocked in get_request()
  block, bfq: move debug blkio stats behind CONFIG_DEBUG_BLK_CGROUP
  block, bfq: update blkio stats outside the scheduler lock
  block, bfq: add missing invocations of bfqg_stats_update_io_add/remove
  doc, block, bfq: update max IOPS sustainable with BFQ
  ide: Make ide_cdrom_prep_fs() initialize the sense buffer pointer
  md: Convert timers to use timer_setup()
  block: swim3: Convert timers to use timer_setup()
  block/aoe: Convert timers to use timer_setup()
  amifloppy: Convert timers to use timer_setup()
  block/floppy: Convert callback to pass timer_list
 2017-11-17 10:56:56 -08:00
Paolo Bonzini fc3790fa07 GICv4 Support for KVM/ARM for v4.15 
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Merge tag 'kvm-arm-gicv4-for-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

GICv4 Support for KVM/ARM for v4.15
 2017-11-17 13:20:01 +01:00
Linus Torvalds cf9b0772f2 ARM: SoC driver updates for v4.15 
This branch contains platform-related driver updates for ARM and ARM64,
 these are the areas that bring the changes:
 
 New drivers:
  - Driver support for Renesas R-Car V3M (R8A77970)
  - Power management support for Amlogic GX
  - A new driver for the Tegra BPMP thermal sensor
  - A new bus driver for Technologic Systems NBUS
 
 Changes for subsystems that prefer to merge through arm-soc:
  - The usual updates for reset controller drivers from Philipp Zabel,
    with five added drivers for SoCs in the arc, meson, socfpa, uniphier
    and mediatek families.
  - Updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
    Heiner Kallweit and Lorenzo Pieralisi.
 
 Changes specific to some ARM-based SoC
  - The Freescale/NXP DPAA QBMan drivers from PowerPC can now work
    on ARM as well.
  - Several changes for power management on Broadcom SoCs
  - Various improvements on Qualcomm, Broadcom, Amlogic, Atmel, Mediatek
  - Minor Cleanups for Samsung, TI OMAP SoCs
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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:
 "This branch contains platform-related driver updates for ARM and
  ARM64, these are the areas that bring the changes:

  New drivers:

   - driver support for Renesas R-Car V3M (R8A77970)

   - power management support for Amlogic GX

   - a new driver for the Tegra BPMP thermal sensor

   - a new bus driver for Technologic Systems NBUS

  Changes for subsystems that prefer to merge through arm-soc:

   - the usual updates for reset controller drivers from Philipp Zabel,
     with five added drivers for SoCs in the arc, meson, socfpa,
     uniphier and mediatek families

   - updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
     Heiner Kallweit and Lorenzo Pieralisi

  Changes specific to some ARM-based SoC

   - the Freescale/NXP DPAA QBMan drivers from PowerPC can now work on
     ARM as well

   - several changes for power management on Broadcom SoCs

   - various improvements on Qualcomm, Broadcom, Amlogic, Atmel,
     Mediatek

   - minor Cleanups for Samsung, TI OMAP SoCs"

[ NOTE! This doesn't work without the previous ARM SoC device-tree pull,
  because the R8A77970 driver is missing a header file that came from
  that pull.

  The fact that this got merged afterwards only fixes it at this point,
  and bisection of that driver will fail if/when you walk into the
  history of that driver.           - Linus ]

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (96 commits)
  soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
  bus: add driver for the Technologic Systems NBUS
  memory: omap-gpmc: Remove deprecated gpmc_update_nand_reg()
  soc: qcom: remove unused label
  soc: amlogic: gx pm domain: add PM and OF dependencies
  drivers/firmware: psci_checker: Add missing destroy_timer_on_stack()
  dt-bindings: power: add amlogic meson power domain bindings
  soc: amlogic: add Meson GX VPU Domains driver
  soc: qcom: Remote filesystem memory driver
  dt-binding: soc: qcom: Add binding for rmtfs memory
  of: reserved_mem: Accessor for acquiring reserved_mem
  of/platform: Generalize /reserved-memory handling
  soc: mediatek: pwrap: fix fatal compiler error
  soc: mediatek: pwrap: fix compiler errors
  arm64: mediatek: cleanup message for platform selection
  soc: Allow test-building of MediaTek drivers
  soc: mediatek: place Kconfig for all SoC drivers under menu
  soc: mediatek: pwrap: add support for MT7622 SoC
  soc: mediatek: pwrap: add common way for setup CS timing extenstion
  soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
  ..
 2017-11-16 16:05:01 -08:00
Linus Torvalds 527d147074 ARM: Device-tree updates for 4.15 
We add device tree files for a couple of additional SoCs in various areas:
 
 Allwinner R40/V40 for entertainment, Broadcom Hurricane 2 for networking,
 Amlogic A113D for audio, and Renesas R-Car V3M for automotive.
 
 As usual, lots of new boards get added based on those and other SoCs:
 
  - Actions S500 based CubieBoard6 single-board computer
 
  - Amlogic Meson-AXG A113D based development board
  - Amlogic S912 based Khadas VIM2 single-board computer
  - Amlogic S912 based Tronsmart Vega S96 set-top-box
 
  - Allwinner H5 based NanoPi NEO Plus2 single-board computer
  - Allwinner R40 based Banana Pi M2 Ultra and Berry single-board computers
  - Allwinner A83T based TBS A711 Tablet
 
  - Broadcom Hurricane 2 based Ubiquiti UniFi Switch 8
  - Broadcom bcm47xx based Luxul XAP-1440/XAP-810/ABR-4500/XBR-4500
      wireless access points and routers
 
  - NXP i.MX51 based Zodiac Inflight Innovations RDU1 board
  - NXP i.MX53 based GE Healthcare PPD biometric monitor
  - NXP i.MX6 based Pistachio single-board computer
  - NXP i.MX6 based Vining-2000 automotive diagnostic interface
  - NXP i.MX6 based Ka-Ro TX6 Computer-on-Module in additional variants
 
  - Qualcomm MSM8974 (Snapdragon 800) based Fairphone 2 phone
  - Qualcomm MSM8974pro (Snapdragon 801) based Sony Xperia Z2 Tablet
 
  - Realtek RTD1295 based set-top-boxes MeLE V9 and PROBOX2 AVA
 
  - Renesas R-Car V3M (R8A77970) SoC and "Eagle" reference board
  - Renesas H3ULCB and M3ULCB "Kingfisher" extension infotainment boards
  - Renasas r8a7745 based iWave G22D-SODIMM SoM
 
  - Rockchip rk3288 based Amarula Vyasa single-board computer
 
  - Samsung Exynos5800 based Odroid HC1 single-board computer
 
 For existing SoC support, there was a lot of ongoing work, as usual
 most of that concentrated on the Renesas, Rockchip, OMAP, i.MX, Amlogic
 and Allwinner platforms, but others were also active.
 
 Rob Herring and many others worked on reducing the number of issues that
 the latest version of 'dtc' now warns about. Unfortunately there is still
 a lot left to do.
 
 A rework of the ARM foundation model introduced several new files
 for common variations of the model.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM device-tree updates from Arnd Bergmann:
 "We add device tree files for a couple of additional SoCs in various
  areas:

  Allwinner R40/V40 for entertainment, Broadcom Hurricane 2 for
  networking, Amlogic A113D for audio, and Renesas R-Car V3M for
  automotive.

  As usual, lots of new boards get added based on those and other SoCs:

   - Actions S500 based CubieBoard6 single-board computer

   - Amlogic Meson-AXG A113D based development board
   - Amlogic S912 based Khadas VIM2 single-board computer
   - Amlogic S912 based Tronsmart Vega S96 set-top-box

   - Allwinner H5 based NanoPi NEO Plus2 single-board computer
   - Allwinner R40 based Banana Pi M2 Ultra and Berry single-board computers
   - Allwinner A83T based TBS A711 Tablet

   - Broadcom Hurricane 2 based Ubiquiti UniFi Switch 8
   - Broadcom bcm47xx based Luxul XAP-1440/XAP-810/ABR-4500/XBR-4500
     wireless access points and routers

   - NXP i.MX51 based Zodiac Inflight Innovations RDU1 board
   - NXP i.MX53 based GE Healthcare PPD biometric monitor
   - NXP i.MX6 based Pistachio single-board computer
   - NXP i.MX6 based Vining-2000 automotive diagnostic interface
   - NXP i.MX6 based Ka-Ro TX6 Computer-on-Module in additional variants

   - Qualcomm MSM8974 (Snapdragon 800) based Fairphone 2 phone
   - Qualcomm MSM8974pro (Snapdragon 801) based Sony Xperia Z2 Tablet

   - Realtek RTD1295 based set-top-boxes MeLE V9 and PROBOX2 AVA

   - Renesas R-Car V3M (R8A77970) SoC and "Eagle" reference board
   - Renesas H3ULCB and M3ULCB "Kingfisher" extension infotainment boards
   - Renasas r8a7745 based iWave G22D-SODIMM SoM

   - Rockchip rk3288 based Amarula Vyasa single-board computer

   - Samsung Exynos5800 based Odroid HC1 single-board computer

  For existing SoC support, there was a lot of ongoing work, as usual
  most of that concentrated on the Renesas, Rockchip, OMAP, i.MX,
  Amlogic and Allwinner platforms, but others were also active.

  Rob Herring and many others worked on reducing the number of issues
  that the latest version of 'dtc' now warns about. Unfortunately there
  is still a lot left to do.

  A rework of the ARM foundation model introduced several new files for
  common variations of the model"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (599 commits)
  arm64: dts: uniphier: route on-board device IRQ to GPIO controller for PXs3
  dt-bindings: bus: Add documentation for the Technologic Systems NBUS
  arm64: dts: actions: s900-bubblegum-96: Add fake uart5 clock
  ARM: dts: owl-s500: Add CubieBoard6
  dt-bindings: arm: actions: Add CubieBoard6
  ARM: dts: owl-s500-guitar-bb-rev-b: Add fake uart3 clock
  ARM: dts: owl-s500: Set power domains for CPU2 and CPU3
  arm: dts: mt7623: remove unused compatible string for pio node
  arm: dts: mt7623: update usb related nodes
  arm: dts: mt7623: update crypto node
  ARM: dts: sun8i: a711: Enable USB OTG
  ARM: dts: sun8i: a711: Add regulator support
  ARM: dts: sun8i: a83t: bananapi-m3: Enable AP6212 WiFi on mmc1
  ARM: dts: sun8i: a83t: cubietruck-plus: Enable AP6330 WiFi on mmc1
  ARM: dts: sun8i: a83t: Move mmc1 pinctrl setting to dtsi file
  ARM: dts: sun8i: a83t: allwinner-h8homlet-v2: Add AXP818 regulator nodes
  ARM: dts: sun8i: a83t: bananapi-m3: Add AXP813 regulator nodes
  ARM: dts: sun8i: a83t: cubietruck-plus: Add AXP818 regulator nodes
  ARM: dts: sunxi: Add dtsi for AXP81x PMIC
  arm64: dts: allwinner: H5: Restore EMAC changes
  ...
 2017-11-16 15:48:26 -08:00
Linus Torvalds 8c60969856 ARM: SoC platform updates for 4.15 
Most of the commits are for defconfig changes, to enable newly added
 drivers or features that people have started using. For the changed
 lines lines, we have mostly cleanups, the affected platforms are
 OMAP, Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
 
 The largest single change is the introduction of the TI "sysc" bus
 driver, with the intention of cleaning up more legacy code.
 
 Two new SoC platforms get added this time:
 - Allwinner R40 is a modernized version of the A20 chip, now
   with a Quad-Core ARM Cortex-A7. According to the manufacturer,
   it is intended for "Smart Hardware"
 - Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family
   of chips meant for managed gigabit ethernet switches, based
   around a Cortex-A9 CPU.
 
 Finally, we gain SMP support for two platforms: Renesas R-Car E2
 and Amlogic Meson8/8b, which were previously added but only supported
 uniprocessor operation.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "Most of the commits are for defconfig changes, to enable newly added
  drivers or features that people have started using. For the changed
  lines lines, we have mostly cleanups, the affected platforms are OMAP,
  Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.

  The largest single change is the introduction of the TI "sysc" bus
  driver, with the intention of cleaning up more legacy code.

  Two new SoC platforms get added this time:

   - Allwinner R40 is a modernized version of the A20 chip, now with a
     Quad-Core ARM Cortex-A7. According to the manufacturer, it is
     intended for "Smart Hardware"

   - Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family of
     chips meant for managed gigabit ethernet switches, based around a
     Cortex-A9 CPU.

  Finally, we gain SMP support for two platforms: Renesas R-Car E2 and
  Amlogic Meson8/8b, which were previously added but only supported
  uniprocessor operation"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits)
  ARM: multi_v7_defconfig: Select RPMSG_VIRTIO as module
  ARM: multi_v7_defconfig: enable CONFIG_GPIO_UNIPHIER
  arm64: defconfig: enable CONFIG_GPIO_UNIPHIER
  ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b
  ARM: meson: Add SMP bringup code for Meson8 and Meson8b
  ARM: smp_scu: allow the platform code to read the SCU CPU status
  ARM: smp_scu: add a helper for powering on a specific CPU
  dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation
  ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init()
  ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init()
  ARM: defconfig: select the right SX150X driver
  arm64: defconfig: Enable QCOM_IOMMU
  arm64: Add ThunderX drivers to defconfig
  arm64: defconfig: Enable Tegra PCI controller
  cpufreq: imx6q: Move speed grading check to cpufreq driver
  arm64: defconfig: re-enable Qualcomm DB410c USB
  ARM: configs: stm32: Add MDMA support in STM32 defconfig
  ARM: imx: Enable cpuidle for i.MX6DL starting at 1.1
  bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
  bus: ti-sysc: mark PM functions as __maybe_unused
  ...
 2017-11-16 14:05:12 -08:00
Rafael J. Wysocki f8817f61e8 PM / runtime: Drop children check from __pm_runtime_set_status() 
The check for "active" children in __pm_runtime_set_status(), when
trying to set the parent device status to "suspended", doesn't
really make sense, because in fact it is not invalid to set the
status of a device with runtime PM disabled to "suspended" in any
case.  It is invalid to enable runtime PM for a device with its
status set to "suspended" while its child_count reference counter
is nonzero, but the check in __pm_runtime_set_status() doesn't
really cover that situation.

For this reason, drop the children check from __pm_runtime_set_status()
and add a check against child_count reference counters of "suspended"
devices to pm_runtime_enable().

Fixes: a8636c8964 (PM / Runtime: Don't allow to suspend a device with an active child)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
 2017-11-16 22:51:22 +01:00
Linus Torvalds 974aa5630b First batch of KVM changes for 4.15 
Common:
  - Python 3 support in kvm_stat
 
  - Accounting of slabs to kmemcg
 
 ARM:
  - Optimized arch timer handling for KVM/ARM
 
  - Improvements to the VGIC ITS code and introduction of an ITS reset
    ioctl
 
  - Unification of the 32-bit fault injection logic
 
  - More exact external abort matching logic
 
 PPC:
  - Support for running hashed page table (HPT) MMU mode on a host that
    is using the radix MMU mode;  single threaded mode on POWER 9 is
    added as a pre-requisite
 
  - Resolution of merge conflicts with the last second 4.14 HPT fixes
 
  - Fixes and cleanups
 
 s390:
  - Some initial preparation patches for exitless interrupts and crypto
 
  - New capability for AIS migration
 
  - Fixes
 
 x86:
  - Improved emulation of LAPIC timer mode changes, MCi_STATUS MSRs, and
    after-reset state
 
  - Refined dependencies for VMX features
 
  - Fixes for nested SMI injection
 
  - A lot of cleanups
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Merge tag 'kvm-4.15-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Radim Krčmář:
 "First batch of KVM changes for 4.15

  Common:
   - Python 3 support in kvm_stat
   - Accounting of slabs to kmemcg

  ARM:
   - Optimized arch timer handling for KVM/ARM
   - Improvements to the VGIC ITS code and introduction of an ITS reset
     ioctl
   - Unification of the 32-bit fault injection logic
   - More exact external abort matching logic

  PPC:
   - Support for running hashed page table (HPT) MMU mode on a host that
     is using the radix MMU mode; single threaded mode on POWER 9 is
     added as a pre-requisite
   - Resolution of merge conflicts with the last second 4.14 HPT fixes
   - Fixes and cleanups

  s390:
   - Some initial preparation patches for exitless interrupts and crypto
   - New capability for AIS migration
   - Fixes

  x86:
   - Improved emulation of LAPIC timer mode changes, MCi_STATUS MSRs,
     and after-reset state
   - Refined dependencies for VMX features
   - Fixes for nested SMI injection
   - A lot of cleanups"

* tag 'kvm-4.15-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (89 commits)
  KVM: s390: provide a capability for AIS state migration
  KVM: s390: clear_io_irq() requests are not expected for adapter interrupts
  KVM: s390: abstract conversion between isc and enum irq_types
  KVM: s390: vsie: use common code functions for pinning
  KVM: s390: SIE considerations for AP Queue virtualization
  KVM: s390: document memory ordering for kvm_s390_vcpu_wakeup
  KVM: PPC: Book3S HV: Cosmetic post-merge cleanups
  KVM: arm/arm64: fix the incompatible matching for external abort
  KVM: arm/arm64: Unify 32bit fault injection
  KVM: arm/arm64: vgic-its: Implement KVM_DEV_ARM_ITS_CTRL_RESET
  KVM: arm/arm64: Document KVM_DEV_ARM_ITS_CTRL_RESET
  KVM: arm/arm64: vgic-its: Free caches when GITS_BASER Valid bit is cleared
  KVM: arm/arm64: vgic-its: New helper functions to free the caches
  KVM: arm/arm64: vgic-its: Remove kvm_its_unmap_device
  arm/arm64: KVM: Load the timer state when enabling the timer
  KVM: arm/arm64: Rework kvm_timer_should_fire
  KVM: arm/arm64: Get rid of kvm_timer_flush_hwstate
  KVM: arm/arm64: Avoid phys timer emulation in vcpu entry/exit
  KVM: arm/arm64: Move phys_timer_emulate function
  KVM: arm/arm64: Use kvm_arm_timer_set/get_reg for guest register traps
  ...
 2017-11-16 13:00:24 -08:00