mvebu arm for 5.2 (part 1)

 - remove improper error message on kirkwood
 - a couple a clean-up patch generated from automatic tools
 - clean-up in assembly code allowing using LLVM

* tag 'mvebu-arm-5.2-1' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: drop return from void function
  ARM: mvebu: prefix coprocessor operand with p
  ARM: mvebu: drop unnecessary label
  ARM: mvebu: fix a leaked reference by adding missing of_node_put
  ARM: mvebu: kirkwood: remove error message when retrieving mac address
Signed-off-by: Olof Johansson <olof@lixom.net>

Merge tag 'omap-for-v5.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late

Two regression fixes for omaps

Two one-liners to fix board-ams-delta booting regression and
logicpd-som-lv MMC card detect to use GPIO_ACTIVE_LOW instead of
IRQ_TYPE_LEVEL_LOW. Note that the board-ams-delta regression has
been in there already since v5.0, so if necessary these can wait
for the merge window.

* tag 'omap-for-v5.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: logicpd-som-lv: Fix MMC1 card detect
  ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled
Signed-off-by: Olof Johansson <olof@lixom.net>

Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

The devm_ioremap_resource() function doesn't retunr NULL, it returns
error pointers.

Fixes: ecc133c6 ("soc: ixp4xx: qmgr: Pass resources")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

Pull ARM SoC defconfig updates from Olof Johansson:
 "Mostly the usual churn due to options being reordered or not added in
  the right locations.

  Some various enabling of new drivers, etc.

  ... i.e. the usual updates, nothing particularly sticks out"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (23 commits)
  arm64: defconfig: Update UFSHCD for Hi3660 soc
  ARM: multi_v7_defconfig: Enable support for STPMIC1
  ARM: multi_v7_defconfig: Enable missing drivers for supported Chromebooks
  arm64: defconfig: enable mv-xor driver
  ARM: Enable Trusted Foundations for multiplatform ARM v7
  ARM: tegra: Enable Trusted Foundations by default
  ARM: tegra: Update default configuration for v5.1-rc1
  ARM: multi_v7_defconfig: Update for moved options
  ARM: multi_v7_defconfig: Update for dropped options
  ARM: shmobile: Enable USB [EO]HCI HCD PLATFORM support in shmobile_defconfig
  ARM: shmobile: Enable PHY_RCAR_GEN3_USB2 in shmobile_defconfig
  ARM: qcom_defconfig: add options for LG Nexus 5 phone
  arm64: defconfig: include the Agilex platform to the arm64 defconfig
  arm64: defconfig: Add PWM Fan support
  arm64: defconfig: Enable Tegra HDA support
  ARM: multi_v7_defconfig: Enable support for CFI NOR FLASH
  ARM: shmobile: defconfig: Enable support for CFI NOR FLASH
  ARM: shmobile: defconfig: Refresh for v5.1-rc1
  ARM: multi_v7_defconfig: enable the Amlogic Meson ADC and eFuse drivers
  arm64: defconfig: enable fpga and service layer
  ...

Pull ARM SoC-related driver updates from Olof Johansson:
 "Various driver updates for platforms and a couple of the small driver
  subsystems we merge through our tree:

  Among the larger pieces:

   - Power management improvements for TI am335x and am437x (RTC
     suspend/wake)

   - Misc new additions for Amlogic (socinfo updates)

   - ZynqMP FPGA manager

   - Nvidia improvements for reset/powergate handling

   - PMIC wrapper for Mediatek MT8516

   - Misc fixes/improvements for ARM SCMI, TEE, NXP i.MX SCU drivers"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
  soc: aspeed: fix Kconfig
  soc: add aspeed folder and misc drivers
  spi: zynqmp: Fix build break
  soc: imx: Add generic i.MX8 SoC driver
  MAINTAINERS: Update email for Qualcomm SoC maintainer
  memory: tegra: Fix a typos for "fdcdwr2" mc client
  Revert "ARM: tegra: Restore memory arbitration on resume from LP1 on Tegra30+"
  memory: tegra: Replace readl-writel with mc_readl-mc_writel
  memory: tegra: Fix integer overflow on tick value calculation
  memory: tegra: Fix missed registers values latching
  ARM: tegra: cpuidle: Handle tick broadcasting within cpuidle core on Tegra20/30
  optee: allow to work without static shared memory
  soc/tegra: pmc: Move powergate initialisation to probe
  soc/tegra: pmc: Remove reset sysfs entries on error
  soc/tegra: pmc: Fix reset sources and levels
  soc: amlogic: meson-gx-pwrc-vpu: Add support for G12A
  soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask
  fpga manager: Adding FPGA Manager support for Xilinx zynqmp
  dt-bindings: fpga: Add bindings for ZynqMP fpga driver
  firmware: xilinx: Add fpga API's
  ...

Pull ARM Device-tree updates from Olof Johansson:
 "Besides new bindings and additional descriptions of hardware blocks
  for various SoCs and boards, the main new contents here is:

  SoCs:
   - Intel Agilex (SoCFPGA)
   - NXP i.MX8MM (Quad Cortex-A53 with media/graphics focus)

  New boards:
   - Allwinner:
      + RerVision H3-DVK (H3)
      + Oceanic 5205 5inMFD (H6)
      + Beelink GS2 (H6)
      + Orange Pi 3 (H6)
   - Rockchip:
      + Orange Pi RK3399
      + Nanopi NEO4
      + Veyron-Mighty Chromebook variant
   - Amlogic:
      + SEI Robotics SEI510
   - ST Micro:
      + stm32mp157a discovery1
      + stm32mp157c discovery2
   - NXP:
      + Eckelmann ci4x10 (i.MX6DL)
      + i.MX8MM EVK (i.MX8MM)
      + ZII i.MX7 RPU2 (i.MX7)
      + ZII SPB4 (VF610)
      + Zii Ultra (i.MX8M)
      + TQ TQMa7S (i.MX7Solo)
      + TQ TQMa7D (i.MX7Dual)
      + Kobo Aura (i.MX50)
      + Menlosystems M53 (i.MX53)j
   - Nvidia:
      + Jetson Nano (Tegra T210)"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (593 commits)
  arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge
  arm64: dts: bitmain: Add pinctrl support for BM1880 SoC
  arm64: dts: bitmain: Add GPIO Line names for Sophon Edge board
  arm64: dts: bitmain: Add GPIO support for BM1880 SoC
  ARM: dts: gemini: Indent DIR-685 partition table
  dt-bindings: hwmon (pwm-fan) Remove dead "cooling-*-state" properties
  ARM: dts: qcom-apq8064: Set 'cxo_board' as ref clock of the DSI PHY
  arm64: dts: msm8998: thermal: Restrict thermal zone name length to under 20
  arm64: dts: msm8998: thermal: Fix number of supported sensors
  arm64: dts: msm8998-mtp: thermal: Remove skin and battery thermal zones
  arm64: dts: exynos: Move fixed-clocks out of soc
  arm64: dts: exynos: Move pmu and timer nodes out of soc
  ARM: dts: s5pv210: Fix camera clock provider on Goni board
  ARM: dts: exynos: Properly override node to use MDMA0 on Universal C210
  ARM: dts: exynos: Move fixed-clocks out of soc on Exynos3250
  ARM: dts: exynos: Remove unneeded address/size cells from fixed-clock on Exynos3250
  ARM: dts: exynos: Move pmu and timer nodes out of soc
  arm64: dts: rockchip: fix IO domain voltage setting of APIO5 on rockpro64
  arm64: dts: db820c: Add sound card support
  arm64: dts: apq8096-db820c: Add HDMI display support
  ...

Pull ARM SoC platform updates from Olof Johansson:
 "SoC updates, mostly refactorings and cleanups of old legacy platforms.

  Major themes this release:

   - Conversion of ixp4xx to a modern platform (drivers, DT, bindings)

   - Moving some of the ep93xx headers around to get it closer to
     multiplatform enabled.

   - Cleanups of Davinci

  This also contains a few patches that were queued up as fixes before
  5.1 but I didn't get sent in before release"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
  ARM: debug-ll: add default address for digicolor
  ARM: u300: regulator: add MODULE_LICENSE()
  ARM: ep93xx: move private headers out of mach/*
  ARM: ep93xx: move pinctrl interfaces into include/linux/soc
  ARM: ep93xx: keypad: stop using mach/platform.h
  ARM: ep93xx: move network platform data to separate header
  ARM: stm32: add AMBA support for stm32 family
  MAINTAINERS: update arch/arm/mach-davinci
  ARM: rockchip: add missing of_node_put in rockchip_smp_prepare_pmu
  ARM: dts: Add queue manager and NPE to the IXP4xx DTSI
  soc: ixp4xx: qmgr: Add DT probe code
  soc: ixp4xx: qmgr: Add DT bindings for IXP4xx qmgr
  soc: ixp4xx: npe: Add DT probe code
  soc: ixp4xx: Add DT bindings for IXP4xx NPE
  soc: ixp4xx: qmgr: Pass resources
  soc: ixp4xx: Remove unused functions
  soc: ixp4xx: Uninline several functions
  soc: ixp4xx: npe: Pass addresses as resources
  ARM: ixp4xx: Turn the QMGR into a platform device
  ARM: ixp4xx: Turn the NPE into a platform device
  ...

Pull thermal soc updates from Eduardo Valentin:

 - thermal core has a new devm_* API for registering cooling devices. I
   took the entire series, that is why you see changes on drivers/hwmon
   in this pull (Guenter Roeck)

 - rockchip thermal driver gains support to PX30 SoC (Elaine Zhang)

 - the generic-adc thermal driver now considers the lookup table DT
   property as optional (Jean-Francois Dagenais)

 - Refactoring of tsens thermal driver (Amit Kucheria)

 - Cleanups on cpu cooling driver (Daniel Lezcano)

 - broadcom thermal driver dropped support to ACPI (Srinath Mannam)

 - tegra thermal driver gains support to OC hw throttle and GPU throtle
   (Wei Ni)

 - Fixes in several thermal drivers.

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: (59 commits)
  hwmon: (pwm-fan) Use devm_thermal_of_cooling_device_register
  hwmon: (npcm750-pwm-fan) Use devm_thermal_of_cooling_device_register
  hwmon: (mlxreg-fan) Use devm_thermal_of_cooling_device_register
  hwmon: (gpio-fan) Use devm_thermal_of_cooling_device_register
  hwmon: (aspeed-pwm-tacho) Use devm_thermal_of_cooling_device_register
  thermal: rcar_gen3_thermal: Fix to show correct trip points number
  thermal: rcar_thermal: update calculation formula for R-Car Gen3 SoCs
  thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
  thermal: rockchip: Support the PX30 SoC in thermal driver
  dt-bindings: rockchip-thermal: Support the PX30 SoC compatible
  thermal: rockchip: fix up the tsadc pinctrl setting error
  thermal: broadcom: Remove ACPI support
  thermal: Fix build error of missing devm_ioremap_resource on UM
  thermal/drivers/cpu_cooling: Remove pointless field
  thermal/drivers/cpu_cooling: Add Software Package Data Exchange (SPDX)
  thermal/drivers/cpu_cooling: Fixup the header and copyright
  thermal/drivers/cpu_cooling: Remove pointless test in power2state()
  thermal: rcar_gen3_thermal: disable interrupt in .remove
  thermal: rcar_gen3_thermal: fix interrupt type
  thermal: Introduce devm_thermal_of_cooling_device_register
  ...

Pull drm fixes from Dave Airlie:
 "A bunch of fixes for the merge window closure, doesn't seem to be
  anything too major or serious in there.

  It does add TU117 turing modesetting to nouveau but it's just an
  enable for preexisting code.

  amdgpu:
   - gpu reset at load crash fix
   - ATPX hotplug fix for when dGPU is off
   - SR-IOV fixes

  radeon:
   - r5xx pll fixes

  i915:
   - GVT (MCHBAR, buffer alignment, misc warnings fixes)
   - Fixes for newly enabled semaphore code
   - Geminilake disable framebuffer compression
   - HSW edp fast modeset fix
   - IRQ vs RCU race fix

  nouveau:
   - Turing modesetting fixes
   - TU117 support

  msm:
   - SDM845 bringup fixes

  panfrost:
   - static checker fixes

  pl111:
   - spinlock init fix.

  bridge:
   - refresh rate register fix for adv7511"

* tag 'drm-next-2019-05-16' of git://anongit.freedesktop.org/drm/drm: (36 commits)
  drm/msm: Upgrade gxpd checks to IS_ERR_OR_NULL
  drm/msm/dpu: Remove duplicate header
  drm/pl111: Initialize clock spinlock early
  drm/msm: correct attempted NULL pointer dereference in debugfs
  drm/msm: remove resv fields from msm_gem_object struct
  drm/nouveau: fix duplication of nv50_head_atom struct
  drm/nouveau/disp/dp: respect sink limits when selecting failsafe link configuration
  drm/nouveau/core: initial support for boards with TU117 chipset
  drm/nouveau/core: allow detected chipset to be overridden
  drm/nouveau/kms/gf119-gp10x: push HeadSetControlOutputResource() mthd when encoders change
  drm/nouveau/kms/nv50-: fix bug preventing non-vsync'd page flips
  drm/nouveau/kms/gv100-: fix spurious window immediate interlocks
  drm/bridge: adv7511: Fix low refresh rate selection
  drm/panfrost: Add missing _fini() calls in panfrost_device_fini()
  drm/panfrost: Only put sync_out if non-NULL
  drm/i915: Seal races between async GPU cancellation, retirement and signaling
  drm/i915: Fix fastset vs. pfit on/off on HSW EDP transcoder
  drm/i915/fbc: disable framebuffer compression on GeminiLake
  drm/amdgpu/psp: move psp version specific function pointers to early_init
  drm/radeon: prefer lower reference dividers
  ...

Merge in a few pending fixes from pre-5.1 that didn't get sent in:

MAINTAINERS: update arch/arm/mach-davinci
ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
ARM: dts: imx6q-logicpd: Reduce inrush current on USBH1
ARM: dts: imx6q-logicpd: Reduce inrush current on start
ARM: dts: imx: Fix the AR803X phy-mode
ARM: dts: sun8i: a33: Reintroduce default pinctrl muxing
arm64: dts: allwinner: a64: Rename hpvcc-supply to cpvdd-supply
ARM: sunxi: fix a leaked reference by adding missing of_node_put
ARM: sunxi: fix a leaked reference by adding missing of_node_put
Signed-off-by: Olof Johansson <olof@lixom.net>

Pull libnvdimm updates from Dan Williams:
 "Just a small collection of fixes this time around.

  The new virtio-pmem driver is nearly ready, but some last minute
  device-mapper acks and virtio questions made it prudent to await v5.3.

  Other major topics that were brewing on the linux-nvdimm mailing list
  like sub-section hotplug, and other devm_memremap_pages() reworks will
  go upstream through Andrew's tree.

  Summary:

   - Fix a long standing namespace label corruption scenario when
     re-provisioning capacity for a namespace.

   - Restore the ability of the dax_pmem module to be built-in.

   - Harden the build for the 'nfit_test' unit test modules so that the
     userspace test harness can ensure all required test modules are
     available"

* tag 'libnvdimm-fixes-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  drivers/dax: Allow to include DEV_DAX_PMEM as builtin
  libnvdimm/namespace: Fix label tracking error
  tools/testing/nvdimm: add watermarks for dax_pmem* modules
  dax/pmem: Fix whitespace in dax_pmem

Pull power supply and reset updates from Sebastian Reichel:
 "Core:
   - Add over-current health state
   - Add standard, adaptive and custom charge types
   - Add new properties for start/end charge threshold

  New Drivers / Hardware:
   - UCS1002 Programmable USB Port Power Controller
   - Ingenic JZ47xx Battery Fuel Gauge
   - AXP20x USB Power: Add AXP813 support
   - AT91 poweroff: Add SAM9X60 support
   - OLPC battery: Add XO-1.5 and XO-1.75 support

  Misc Changes:
   - syscon-reboot: support mask property
   - AXP288 fuel gauge: Blacklist ACEPC T8/T11. Looks like some vendor
     thought it's a good idea to build a desktop system with a fuel
     gauge, that slowly "discharges"...
   - cpcap-battery: Fix calculation errors
   - misc fixes"

* tag 'for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (54 commits)
  power: supply: olpc_battery: force the le/be casts
  power: supply: ucs1002: Fix build error without CONFIG_REGULATOR
  power: supply: ucs1002: Fix wrong return value checking
  power: supply: Add driver for Microchip UCS1002
  dt-bindings: power: supply: Add bindings for Microchip UCS1002
  power: supply: core: Add POWER_SUPPLY_HEALTH_OVERCURRENT constant
  power: supply: core: fix clang -Wunsequenced
  power: supply: core: Add missing documentation for CHARGE_CONTROL_* properties
  power: supply: core: Add CHARGE_CONTROL_{START_THRESHOLD,END_THRESHOLD} properties
  power: supply: core: Add Standard, Adaptive, and Custom charge types
  power: supply: axp288_fuel_gauge: Add ACEPC T8 and T11 mini PCs to the blacklist
  power: supply: bq27xxx_battery: Notify also about status changes
  power: supply: olpc_battery: Have the framework register sysfs files for us
  power: supply: olpc_battery: Add OLPC XO 1.75 support
  power: supply: olpc_battery: Avoid using platform_info
  power: supply: olpc_battery: Use devm_power_supply_register()
  power: supply: olpc_battery: Move priv data to a struct
  power: supply: olpc_battery: Use DT to get battery version
  x86/platform/olpc: Use a correct version when making up a battery node
  x86/platform/olpc: Trivial code move in DT fixup
  ...

Pull xen updates from Juergen Gross:

 - some minor cleanups

 - two small corrections for Xen on ARM

 - two fixes for Xen PVH guest support

 - a patch for a new command line option to tune virtual timer handling

* tag 'for-linus-5.2b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/arm: Use p2m entry with lock protection
  xen/arm: Free p2m entry if fail to add it to RB tree
  xen/pvh: correctly setup the PV EFI interface for dom0
  xen/pvh: set xen_domain_type to HVM in xen_pvh_init
  xenbus: drop useless LIST_HEAD in xenbus_write_watch() and xenbus_file_write()
  xen-netfront: mark expected switch fall-through
  xen: xen-pciback: fix warning Using plain integer as NULL pointer
  x86/xen: Add "xen_timer_slop" command line option

Generic kernels feed many operation through the "machvec" logic to get
the correct form of the operation for the current system.  "mmiowb()" is
one of those operations.

Although machvec is initialized very early in boot, it isn't early
enough for a recent upstream kernel change that added mmiowb to the
spin_unlock() path.

Statically initialize the mmiowb field of machvec so that we won't die
with a call through a NULL pointer.  This should be safe because we do
the real initialization of machvec before bringing up any addtional CPUs
or doing any I/O.

Fixes: 49ca6462 ("ia64/mmiowb: Add unconditional mmiowb() to arch_spin_unlock()")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Pull nfsd updates from Bruce Fields:
 "This consists mostly of nfsd container work:

  Scott Mayhew revived an old api that communicates with a userspace
  daemon to manage some on-disk state that's used to track clients
  across server reboots. We've been using a usermode_helper upcall for
  that, but it's tough to run those with the right namespaces, so a
  daemon is much friendlier to container use cases.

  Trond fixed nfsd's handling of user credentials in user namespaces. He
  also contributed patches that allow containers to support different
  sets of NFS protocol versions.

  The only remaining container bug I'm aware of is that the NFS reply
  cache is shared between all containers. If anyone's aware of other
  gaps in our container support, let me know.

  The rest of this is miscellaneous bugfixes"

* tag 'nfsd-5.2' of git://linux-nfs.org/~bfields/linux: (23 commits)
  nfsd: update callback done processing
  locks: move checks from locks_free_lock() to locks_release_private()
  nfsd: fh_drop_write in nfsd_unlink
  nfsd: allow fh_want_write to be called twice
  nfsd: knfsd must use the container user namespace
  SUNRPC: rsi_parse() should use the current user namespace
  SUNRPC: Fix the server AUTH_UNIX userspace mappings
  lockd: Pass the user cred from knfsd when starting the lockd server
  SUNRPC: Temporary sockets should inherit the cred from their parent
  SUNRPC: Cache the process user cred in the RPC server listener
  nfsd: Allow containers to set supported nfs versions
  nfsd: Add custom rpcbind callbacks for knfsd
  SUNRPC: Allow further customisation of RPC program registration
  SUNRPC: Clean up generic dispatcher code
  SUNRPC: Add a callback to initialise server requests
  SUNRPC/nfs: Fix return value for nfs4_callback_compound()
  nfsd: handle legacy client tracking records sent by nfsdcld
  nfsd: re-order client tracking method selection
  nfsd: keep a tally of RECLAIM_COMPLETE operations when using nfsdcld
  nfsd: un-deprecate nfsdcld
  ...

Merge tag 'drm-misc-next-fixes-2019-05-15' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

- A couple new panfrost fixes
- Fix the low refresh rate register in adv7511
- A handful of msm fixes that fell out of 5.1 bringup on SDM845
- Fix spinlock initialization in pl111
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190515201729.GA89093@art_vandelay

Merge tag 'drm-intel-next-fixes-2019-05-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

- Disable framebuffer compression on Geminilake
- Fixes for HSW EDP fastset and a IRQ handler vs. RCU race
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190515074817.GA10472@jlahtine-desk.ger.corp.intel.com

Pull more ktest updates from Steven Rostedt:

 - Add support for grub2bls boot loader

 - Show name and test iteration number in error message sent in mail

 - Minor fixes and clean ups

* tag 'ktest-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: update sample.conf for grub2bls
  ktest: remove get_grub2_index
  ktest: pass KERNEL_VERSION to POST_KTEST
  ktest: introduce grub2bls REBOOT_TYPE option
  ktest: cleanup get_grub_index
  ktest: introduce _get_grub_index

Pull tracing updates from Steven Rostedt:
 "The major changes in this tracing update includes:

   - Removal of non-DYNAMIC_FTRACE from 32bit x86

   - Removal of mcount support from x86

   - Emulating a call from int3 on x86_64, fixes live kernel patching

   - Consolidated Tracing Error logs file

  Minor updates:

   - Removal of klp_check_compiler_support()

   - kdb ftrace dumping output changes

   - Accessing and creating ftrace instances from inside the kernel

   - Clean up of #define if macro

   - Introduction of TRACE_EVENT_NOP() to disable trace events based on
     config options

  And other minor fixes and clean ups"

* tag 'trace-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (44 commits)
  x86: Hide the int3_emulate_call/jmp functions from UML
  livepatch: Remove klp_check_compiler_support()
  ftrace/x86: Remove mcount support
  ftrace/x86_32: Remove support for non DYNAMIC_FTRACE
  tracing: Simplify "if" macro code
  tracing: Fix documentation about disabling options using trace_options
  tracing: Replace kzalloc with kcalloc
  tracing: Fix partial reading of trace event's id file
  tracing: Allow RCU to run between postponed startup tests
  tracing: Fix white space issues in parse_pred() function
  tracing: Eliminate const char[] auto variables
  ring-buffer: Fix mispelling of Calculate
  tracing: probeevent: Fix to make the type of $comm string
  tracing: probeevent: Do not accumulate on ret variable
  tracing: uprobes: Re-enable $comm support for uprobe events
  ftrace/x86_64: Emulate call function while updating in breakpoint handler
  x86_64: Allow breakpoints to emulate call instructions
  x86_64: Add gap to int3 to allow for call emulation
  tracing: kdb: Allow ftdump to skip all but the last few entries
  tracing: Add trace_total_entries() / trace_total_entries_cpu()
  ...

dev_pm_domain_attach_by_name() can return NULL, so we should check for
that case when we're about to dereference gxpd.

Fixes: 9325d426 ("drm/msm/gpu: Attach to the GPU GX power domain")
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeauorora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190515170104.155525-1-sean@poorly.run

Remove dpu_kms.h which is included more than once
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/5cda6de6.1c69fb81.a3ae5.836a@mx.google.com

Pull Kconfig updates from Masahiro Yamada:

 - error out if a user specifies a directory instead of a file from
   "Save" menu of GUI interfaces

 - do not overwrite .config if there is no change in the configuration

 - create parent directories as needed when a user specifies a new file
   path from "Save" menu of menuconfig/nconfig

 - fix potential buffer overflow

 - some trivial cleanups

* tag 'kconfig-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: make conf_get_autoconfig_name() static
  kconfig: use snprintf for formatting pathnames
  kconfig: remove useless NULL pointer check in conf_write_dep()
  kconfig: make parent directories for the saved .config as needed
  kconfig: do not write .config if the content is the same
  kconfig: do not accept a directory for configuration output
  kconfig: remove trailing whitespaces
  kconfig: Make nconf-cfg.sh executable

Pull more ACPI updates from Rafael Wysocki:
 "These fix two regressions introduced during the 5.0 cycle, in ACPICA
  and in device PM, cause the values returned by _ADR to be stored in 64
  bits and fix two ACPI documentation issues.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20190509
     including one regression fix:
       * Prevent excessive ACPI debug messages from being printed by
         moving the ACPI_DEBUG_DEFAULT definition to the right place
         (Erik Schmauss).

   - Set the enable_for_wake bits for wakeup GPEs during suspend to idle
     to allow acpi_enable_all_wakeup_gpes() to enable them as
     aproppriate and make wakeup devices sighaling events through ACPI
     GPEs work with suspend-to-idle again (Rajat Jain).

   - Use 64 bits to store the return values of _ADR which are assumed to
     be 64-bit by some bus specs and may contain nonzero bits in the
     upper 32 bits part for some devices (Pierre-Louis Bossart).

   - Fix two minor issues with the ACPI documentation (Sakari Ailus)"

* tag 'acpi-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: PM: Set enable_for_wake for wakeup GPEs during suspend-to-idle
  Documentation: ACPI: Direct references are allowed to devices only
  Documentation: ACPI: Use tabs for graph ASL indentation
  ACPICA: Update version to 20190509
  ACPICA: Linux: move ACPI_DEBUG_DEFAULT flag out of ifndef
  ACPI: bus: change _ADR representation to 64 bits

Pull more power management updates from Rafael Wysocki:
 "These fix a recent regression causing kernels built with CONFIG_PM
  unset to crash on systems that support the Performance and Energy Bias
  Hint (EPB), clean up the cpufreq core and some users of transition
  notifiers and introduce a new power domain flag into the generic power
  domains framework (genpd).

  Specifics:

   - Fix recent regression causing kernels built with CONFIG_PM unset to
     crash on systems that support the Performance and Energy Bias Hint
     (EPB) by avoiding to compile the EPB-related code depending on
     CONFIG_PM when it is unset (Rafael Wysocki).

   - Clean up the transition notifier invocation code in the cpufreq
     core and change some users of cpufreq transition notifiers
     accordingly (Viresh Kumar).

   - Change MAINTAINERS to cover the schedutil governor as part of
     cpufreq (Viresh Kumar).

   - Simplify cpufreq_init_policy() to avoid redundant computations (Yue
     Hu).

   - Add explanatory comment to the cpufreq core (Rafael Wysocki).

   - Introduce a new flag, GENPD_FLAG_RPM_ALWAYS_ON, to the generic
     power domains (genpd) framework along with the first user of it
     (Leonard Crestez)"

* tag 'pm-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  soc: imx: gpc: Use GENPD_FLAG_RPM_ALWAYS_ON for ERR009619
  PM / Domains: Add GENPD_FLAG_RPM_ALWAYS_ON flag
  cpufreq: Update MAINTAINERS to include schedutil governor
  cpufreq: Don't find governor for setpolicy drivers in cpufreq_init_policy()
  cpufreq: Explain the kobject_put() in cpufreq_policy_alloc()
  cpufreq: Call transition notifier only once for each policy
  x86: intel_epb: Take CONFIG_PM into account

Pull crypto fixes from Herbert Xu:
 "This fixes a number of issues in the chelsio and caam drivers"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  Revert "crypto: caam/jr - Remove extra memory barrier during job ring dequeue"
  crypto: caam - fix caam_dump_sg that iterates through scatterlist
  crypto: caam - fix DKP detection logic
  MAINTAINERS: Maintainer for Chelsio crypto driver
  crypto: chelsio - count incomplete block in IV
  crypto: chelsio - Fix softlockup with heavy I/O
  crypto: chelsio - Fix NULL pointer dereference

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

This patch aims to suppress 3 missing-break-in-switch false positives
on some architectures.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Jann Horn <jannh@google.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

* pm-cpufreq:
  cpufreq: Update MAINTAINERS to include schedutil governor
  cpufreq: Don't find governor for setpolicy drivers in cpufreq_init_policy()
  cpufreq: Explain the kobject_put() in cpufreq_policy_alloc()
  cpufreq: Call transition notifier only once for each policy

* pm-domains:
  soc: imx: gpc: Use GENPD_FLAG_RPM_ALWAYS_ON for ERR009619
  PM / Domains: Add GENPD_FLAG_RPM_ALWAYS_ON flag

* acpi-bus:
  ACPI: bus: change _ADR representation to 64 bits

* acpi-doc:
  Documentation: ACPI: Direct references are allowed to devices only
  Documentation: ACPI: Use tabs for graph ASL indentation

* acpi-pm:
  ACPI: PM: Set enable_for_wake for wakeup GPEs during suspend-to-idle

Pull more rdma updates from Jason Gunthorpe:
 "This is being sent to get a fix for the gcc 9.1 build warnings, and
  I've also pulled in some bug fix patches that were posted in the last
  two weeks.

   - Avoid the gcc 9.1 warning about overflowing a union member

   - Fix the wrong callback type for a single response netlink to doit

   - Bug fixes from more usage of the mlx5 devx interface"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  net/mlx5: Set completion EQs as shared resources
  IB/mlx5: Verify DEVX general object type correctly
  RDMA/core: Change system parameters callback from dumpit to doit
  RDMA: Directly cast the sockaddr union to sockaddr

Mostly fixes for a number of modesetting-related issues that have been
reported, as well as initial support for TU117 modesetting.  TU116
also exists these days, but is not officially supported, as I don't
have HW yet to verify against.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <skeggsb@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv77U7_bWYy9CUVGU8zAE0NZcKOLp6kUgppgq9HPd0tBnw@mail.gmail.com

Merge more updates from Andrew Morton:

 - a couple of hotfixes

 - almost all of the rest of MM

 - lib/ updates

 - binfmt_elf updates

 - autofs updates

 - quite a lot of misc fixes and updates
    - reiserfs, fatfs
    - signals
    - exec
    - cpumask
    - rapidio
    - sysctl
    - pids
    - eventfd
    - gcov
    - panic
    - pps

 - gdb script updates

 - ipc updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (126 commits)
  mm: memcontrol: fix NUMA round-robin reclaim at intermediate level
  mm: memcontrol: fix recursive statistics correctness & scalabilty
  mm: memcontrol: move stat/event counting functions out-of-line
  mm: memcontrol: make cgroup stats and events query API explicitly local
  drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl
  drivers/virt/fsl_hypervisor.c: dereferencing error pointers in ioctl
  mm, memcg: rename ambiguously named memory.stat counters and functions
  arch: remove <asm/sizes.h> and <asm-generic/sizes.h>
  treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h>
  fs/block_dev.c: Remove duplicate header
  fs/cachefiles/namei.c: remove duplicate header
  include/linux/sched/signal.h: replace `tsk' with `task'
  fs/coda/psdev.c: remove duplicate header
  ipc: do cyclic id allocation for the ipc object.
  ipc: conserve sequence numbers in ipcmni_extend mode
  ipc: allow boot time extension of IPCMNI from 32k to 16M
  ipc/mqueue: optimize msg_get()
  ipc/mqueue: remove redundant wq task assignment
  ipc: prevent lockup on alloc_msg and free_msg
  scripts/gdb: print cached rate in lx-clk-summary
  ...

When a cgroup is reclaimed on behalf of a configured limit, reclaim
needs to round-robin through all NUMA nodes that hold pages of the memcg
in question.  However, when assembling the mask of candidate NUMA nodes,
the code only consults the *local* cgroup LRU counters, not the
recursive counters for the entire subtree.  Cgroup limits are frequently
configured against intermediate cgroups that do not have memory on their
own LRUs.  In this case, the node mask will always come up empty and
reclaim falls back to scanning only the current node.

If a cgroup subtree has some memory on one node but the processes are
bound to another node afterwards, the limit reclaim will never age or
reclaim that memory anymore.

To fix this, use the recursive LRU counts for a cgroup subtree to
determine which nodes hold memory of that cgroup.

The code has been broken like this forever, so it doesn't seem to be a
problem in practice.  I just noticed it while reviewing the way the LRU
counters are used in general.

Link: http://lkml.kernel.org/r/20190412151507.2769-5-hannes@cmpxchg.orgSigned-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Right now, when somebody needs to know the recursive memory statistics
and events of a cgroup subtree, they need to walk the entire subtree and
sum up the counters manually.

There are two issues with this:

1. When a cgroup gets deleted, its stats are lost. The state counters
   should all be 0 at that point, of course, but the events are not.
   When this happens, the event counters, which are supposed to be
   monotonic, can go backwards in the parent cgroups.

2. During regular operation, we always have a certain number of lazily
   freed cgroups sitting around that have been deleted, have no tasks,
   but have a few cache pages remaining. These groups' statistics do not
   change until we eventually hit memory pressure, but somebody
   watching, say, memory.stat on an ancestor has to iterate those every
   time.

This patch addresses both issues by introducing recursive counters at
each level that are propagated from the write side when stats change.

Upward propagation happens when the per-cpu caches spill over into the
local atomic counter.  This is the same thing we do during charge and
uncharge, except that the latter uses atomic RMWs, which are more
expensive; stat changes happen at around the same rate.  In a sparse
file test (page faults and reclaim at maximum CPU speed) with 5 cgroup
nesting levels, perf shows __mod_memcg_page state at ~1%.

Link: http://lkml.kernel.org/r/20190412151507.2769-4-hannes@cmpxchg.orgSigned-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

These are getting too big to be inlined in every callsite.  They were
stolen from vmstat.c, which already out-of-lines them, and they have
only been growing since.  The callsites aren't that hot, either.

Move __mod_memcg_state()
     __mod_lruvec_state() and
     __count_memcg_events() out of line and add kerneldoc comments.

Link: http://lkml.kernel.org/r/20190412151507.2769-3-hannes@cmpxchg.orgSigned-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Patch series "mm: memcontrol: memory.stat cost & correctness".

The cgroup memory.stat file holds recursive statistics for the entire
subtree.  The current implementation does this tree walk on-demand
whenever the file is read.  This is giving us problems in production.

1. The cost of aggregating the statistics on-demand is high.  A lot of
   system service cgroups are mostly idle and their stats don't change
   between reads, yet we always have to check them.  There are also always
   some lazily-dying cgroups sitting around that are pinned by a handful
   of remaining page cache; the same applies to them.

   In an application that periodically monitors memory.stat in our
   fleet, we have seen the aggregation consume up to 5% CPU time.

2. When cgroups die and disappear from the cgroup tree, so do their
   accumulated vm events.  The result is that the event counters at
   higher-level cgroups can go backwards and confuse some of our
   automation, let alone people looking at the graphs over time.

To address both issues, this patch series changes the stat
implementation to spill counts upwards when the counters change.

The upward spilling is batched using the existing per-cpu cache.  In a
sparse file stress test with 5 level cgroup nesting, the additional cost
of the flushing was negligible (a little under 1% of CPU at 100% CPU
utilization, compared to the 5% of reading memory.stat during regular
operation).

This patch (of 4):

memcg_page_state(), lruvec_page_state(), memcg_sum_events() are
currently returning the state of the local memcg or lruvec, not the
recursive state.

In practice there is a demand for both versions, although the callers
that want the recursive counts currently sum them up by hand.

Per default, cgroups are considered recursive entities and generally we
expect more users of the recursive counters, with the local counts being
special cases.  To reflect that in the name, add a _local suffix to the
current implementations.

The following patch will re-incarnate these functions with recursive
semantics, but with an O(1) implementation.

[hannes@cmpxchg.org: fix bisection hole]
  Link: http://lkml.kernel.org/r/20190417160347.GC23013@cmpxchg.org
Link: http://lkml.kernel.org/r/20190412151507.2769-2-hannes@cmpxchg.orgSigned-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

The "param.count" value is a u64 thatcomes from the user.  The code
later in the function assumes that param.count is at least one and if
it's not then it leads to an Oops when we dereference the ZERO_SIZE_PTR.

Also the addition can have an integer overflow which would lead us to
allocate a smaller "pages" array than required.  I can't immediately
tell what the possible run times implications are, but it's safest to
prevent the overflow.

Link: http://lkml.kernel.org/r/20181218082129.GE32567@kadam
Fixes: 6db71994 ("drivers/virt: introduce Freescale hypervisor management driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Timur Tabi <timur@freescale.com>
Cc: Mihai Caraman <mihai.caraman@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

strndup_user() returns error pointers on error, and then in the error
handling we pass the error pointers to kfree().  It will cause an Oops.

Link: http://lkml.kernel.org/r/20181218082003.GD32567@kadam
Fixes: 6db71994 ("drivers/virt: introduce Freescale hypervisor management driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Timur Tabi <timur@freescale.com>
Cc: Mihai Caraman <mihai.caraman@freescale.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

I spent literally an hour trying to work out why an earlier version of
my memory.events aggregation code doesn't work properly, only to find
out I was calling memcg->events instead of memcg->memory_events, which
is fairly confusing.

This naming seems in need of reworking, so make it harder to do the
wrong thing by using vmevents instead of events, which makes it more
clear that these are vm counters rather than memcg-specific counters.

There are also a few other inconsistent names in both the percpu and
aggregated structs, so these are all cleaned up to be more coherent and
easy to understand.

This commit contains code cleanup only: there are no logic changes.

[akpm@linux-foundation.org: fix it for preceding changes]
Link: http://lkml.kernel.org/r/20190208224319.GA23801@chrisdown.nameSigned-off-by: Chris Down <chris@chrisdown.name>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Roman Gushchin <guro@fb.com>
Cc: Dennis Zhou <dennis@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Now that all instances of #include <asm/sizes.h> have been replaced with
#include <linux/sizes.h>, we can remove these.

Link: http://lkml.kernel.org/r/1553267665-27228-2-git-send-email-yamada.masahiro@socionext.comSigned-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>