Merge remote-tracking branch 'origin/tmp-917a9a9133a6' into lsk

* tmp-917a9:
  ARM/vdso: Mark the vDSO code read-only after init
  x86/vdso: Mark the vDSO code read-only after init
  lkdtm: Verify that '__ro_after_init' works correctly
  arch: Introduce post-init read-only memory
  x86/mm: Always enable CONFIG_DEBUG_RODATA and remove the Kconfig option
  mm/init: Add 'rodata=off' boot cmdline parameter to disable read-only kernel mappings
  asm-generic: Consolidate mark_rodata_ro()
  Linux 4.4.6
  ld-version: Fix awk regex compile failure
  target: Drop incorrect ABORT_TASK put for completed commands
  block: don't optimize for non-cloned bio in bio_get_last_bvec()
  MIPS: smp.c: Fix uninitialised temp_foreign_map
  MIPS: Fix build error when SMP is used without GIC
  ovl: fix getcwd() failure after unsuccessful rmdir
  ovl: copy new uid/gid into overlayfs runtime inode
  userfaultfd: don't block on the last VM updates at exit time
  powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
  powerpc/powernv: Add a kmsg_dumper that flushes console output on panic
  powerpc: Fix dedotify for binutils >= 2.26
  Revert "drm/radeon/pm: adjust display configuration after powerstate"
  drm/radeon: Fix error handling in radeon_flip_work_func.
  drm/amdgpu: Fix error handling in amdgpu_flip_work_func.
  Revert "drm/radeon: call hpd_irq_event on resume"
  x86/mm: Fix slow_virt_to_phys() for X86_PAE again
  gpu: ipu-v3: Do not bail out on missing optional port nodes
  mac80211: Fix Public Action frame RX in AP mode
  mac80211: check PN correctly for GCMP-encrypted fragmented MPDUs
  mac80211: minstrel_ht: fix a logic error in RTS/CTS handling
  mac80211: minstrel_ht: set default tx aggregation timeout to 0
  mac80211: fix use of uninitialised values in RX aggregation
  mac80211: minstrel: Change expected throughput unit back to Kbps
  iwlwifi: mvm: inc pending frames counter also when txing non-sta
  can: gs_usb: fixed disconnect bug by removing erroneous use of kfree()
  cfg80211/wext: fix message ordering
  wext: fix message delay/ordering
  ovl: fix working on distributed fs as lower layer
  ovl: ignore lower entries when checking purity of non-directory entries
  ASoC: wm8958: Fix enum ctl accesses in a wrong type
  ASoC: wm8994: Fix enum ctl accesses in a wrong type
  ASoC: samsung: Use IRQ safe spin lock calls
  ASoC: dapm: Fix ctl value accesses in a wrong type
  ncpfs: fix a braino in OOM handling in ncp_fill_cache()
  jffs2: reduce the breakage on recovery from halfway failed rename()
  dmaengine: at_xdmac: fix residue computation
  tracing: Fix check for cpu online when event is disabled
  s390/dasd: fix diag 0x250 inline assembly
  s390/mm: four page table levels vs. fork
  KVM: MMU: fix reserved bit check for ept=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0
  KVM: MMU: fix ept=0/pte.u=1/pte.w=0/CR0.WP=0/CR4.SMEP=1/EFER.NX=0 combo
  KVM: PPC: Book3S HV: Sanitize special-purpose register values on guest exit
  KVM: s390: correct fprs on SIGP (STOP AND) STORE STATUS
  KVM: VMX: disable PEBS before a guest entry
  kvm: cap halt polling at exactly halt_poll_ns
  PCI: Allow a NULL "parent" pointer in pci_bus_assign_domain_nr()
  ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property
  ARM: dts: dra7: do not gate cpsw clock due to errata i877
  ARM: mvebu: fix overlap of Crypto SRAM with PCIe memory window
  arm64: account for sparsemem section alignment when choosing vmemmap offset
  Linux 4.4.5
  drm/amdgpu: fix topaz/tonga gmc assignment in 4.4 stable
  modules: fix longstanding /proc/kallsyms vs module insertion race.
  drm/i915: refine qemu south bridge detection
  drm/i915: more virtual south bridge detection
  block: get the 1st and last bvec via helpers
  block: check virt boundary in bio_will_gap()
  drm/amdgpu: Use drm_calloc_large for VM page_tables array
  thermal: cpu_cooling: fix out of bounds access in time_in_idle
  i2c: brcmstb: allocate correct amount of memory for regmap
  ubi: Fix out of bounds write in volume update code
  cxl: Fix PSL timebase synchronization detection
  MIPS: traps: Fix SIGFPE information leak from `do_ov' and `do_trap_or_bp'
  MIPS: scache: Fix scache init with invalid line size.
  USB: serial: option: add support for Quectel UC20
  USB: serial: option: add support for Telit LE922 PID 0x1045
  USB: qcserial: add Sierra Wireless EM74xx device ID
  USB: qcserial: add Dell Wireless 5809e Gobi 4G HSPA+ (rev3)
  USB: cp210x: Add ID for Parrot NMEA GPS Flight Recorder
  usb: chipidea: otg: change workqueue ci_otg as freezable
  ALSA: timer: Fix broken compat timer user status ioctl
  ALSA: hdspm: Fix zero-division
  ALSA: hdsp: Fix wrong boolean ctl value accesses
  ALSA: hdspm: Fix wrong boolean ctl value accesses
  ALSA: seq: oss: Don't drain at closing a client
  ALSA: pcm: Fix ioctls for X32 ABI
  ALSA: timer: Fix ioctls for X32 ABI
  ALSA: rawmidi: Fix ioctls X32 ABI
  ALSA: hda - Fix mic issues on Acer Aspire E1-472
  ALSA: ctl: Fix ioctls for X32 ABI
  ALSA: usb-audio: Add a quirk for Plantronics DA45
  adv7604: fix tx 5v detect regression
  dmaengine: pxa_dma: fix cyclic transfers
  Fix directory hardlinks from deleted directories
  jffs2: Fix page lock / f->sem deadlock
  Revert "jffs2: Fix lock acquisition order bug in jffs2_write_begin"
  Btrfs: fix loading of orphan roots leading to BUG_ON
  pata-rb532-cf: get rid of the irq_to_gpio() call
  tracing: Do not have 'comm' filter override event 'comm' field
  ata: ahci: don't mark HotPlugCapable Ports as external/removable
  PM / sleep / x86: Fix crash on graph trace through x86 suspend
  arm64: vmemmap: use virtual projection of linear region
  Adding Intel Lewisburg device IDs for SATA
  writeback: flush inode cgroup wb switches instead of pinning super_block
  block: bio: introduce helpers to get the 1st and last bvec
  libata: Align ata_device's id on a cacheline
  libata: fix HDIO_GET_32BIT ioctl
  drm/amdgpu: return from atombios_dp_get_dpcd only when error
  drm/amdgpu/gfx8: specify which engine to wait before vm flush
  drm/amdgpu: apply gfx_v8 fixes to gfx_v7 as well
  drm/amdgpu/pm: update current crtc info after setting the powerstate
  drm/radeon/pm: update current crtc info after setting the powerstate
  drm/ast: Fix incorrect register check for DRAM width
  target: Fix WRITE_SAME/DISCARD conversion to linux 512b sectors
  iommu/vt-d: Use BUS_NOTIFY_REMOVED_DEVICE in hotplug path
  iommu/amd: Fix boot warning when device 00:00.0 is not iommu covered
  iommu/amd: Apply workaround for ATS write permission check
  arm/arm64: KVM: Fix ioctl error handling
  KVM: x86: fix root cause for missed hardware breakpoints
  vfio: fix ioctl error handling
  Fix cifs_uniqueid_to_ino_t() function for s390x
  CIFS: Fix SMB2+ interim response processing for read requests
  cifs: fix out-of-bounds access in lease parsing
  fbcon: set a default value to blink interval
  kvm: x86: Update tsc multiplier on change.
  mips/kvm: fix ioctl error handling
  parisc: Fix ptrace syscall number and return value modification
  PCI: keystone: Fix MSI code that retrieves struct pcie_port pointer
  block: Initialize max_dev_sectors to 0
  drm/amdgpu: mask out WC from BO on unsupported arches
  btrfs: async-thread: Fix a use-after-free error for trace
  btrfs: Fix no_space in write and rm loop
  Btrfs: fix deadlock running delayed iputs at transaction commit time
  drivers: sh: Restore legacy clock domain on SuperH platforms
  use ->d_seq to get coherency between ->d_inode and ->d_flags
  Linux 4.4.4
  iwlwifi: mvm: don't allow sched scans without matches to be started
  iwlwifi: update and fix 7265 series PCI IDs
  iwlwifi: pcie: properly configure the debug buffer size for 8000
  iwlwifi: dvm: fix WoWLAN
  security: let security modules use PTRACE_MODE_* with bitmasks
  IB/cma: Fix RDMA port validation for iWarp
  x86/irq: Plug vector cleanup race
  x86/irq: Call irq_force_move_complete with irq descriptor
  x86/irq: Remove outgoing CPU from vector cleanup mask
  x86/irq: Remove the cpumask allocation from send_cleanup_vector()
  x86/irq: Clear move_in_progress before sending cleanup IPI
  x86/irq: Remove offline cpus from vector cleanup
  x86/irq: Get rid of code duplication
  x86/irq: Copy vectormask instead of an AND operation
  x86/irq: Check vector allocation early
  x86/irq: Reorganize the search in assign_irq_vector
  x86/irq: Reorganize the return path in assign_irq_vector
  x86/irq: Do not use apic_chip_data.old_domain as temporary buffer
  x86/irq: Validate that irq descriptor is still active
  x86/irq: Fix a race in x86_vector_free_irqs()
  x86/irq: Call chip->irq_set_affinity in proper context
  x86/entry/compat: Add missing CLAC to entry_INT80_32
  x86/mpx: Fix off-by-one comparison with nr_registers
  hpfs: don't truncate the file when delete fails
  do_last(): ELOOP failure exit should be done after leaving RCU mode
  should_follow_link(): validate ->d_seq after having decided to follow
  xen/pcifront: Fix mysterious crashes when NUMA locality information was extracted.
  xen/pciback: Save the number of MSI-X entries to be copied later.
  xen/pciback: Check PF instead of VF for PCI_COMMAND_MEMORY
  xen/scsiback: correct frontend counting
  xen/arm: correctly handle DMA mapping of compound pages
  ARM: at91/dt: fix typo in sama5d2 pinmux descriptions
  ARM: OMAP2+: Fix onenand initialization to avoid filesystem corruption
  do_last(): don't let a bogus return value from ->open() et.al. to confuse us
  kernel/resource.c: fix muxed resource handling in __request_region()
  sunrpc/cache: fix off-by-one in qword_get()
  tracing: Fix showing function event in available_events
  powerpc/eeh: Fix partial hotplug criterion
  KVM: x86: MMU: fix ubsan index-out-of-range warning
  KVM: x86: fix conversion of addresses to linear in 32-bit protected mode
  KVM: x86: fix missed hardware breakpoints
  KVM: arm/arm64: vgic: Ensure bitmaps are long enough
  KVM: async_pf: do not warn on page allocation failures
  of/irq: Fix msi-map calculation for nonzero rid-base
  NFSv4: Fix a dentry leak on alias use
  nfs: fix nfs_size_to_loff_t
  block: fix use-after-free in dio_bio_complete
  bio: return EINTR if copying to user space got interrupted
  i2c: i801: Adding Intel Lewisburg support for iTCO
  phy: core: fix wrong err handle for phy_power_on
  writeback: keep superblock pinned during cgroup writeback association switches
  cgroup: make sure a parent css isn't offlined before its children
  cpuset: make mm migration asynchronous
  PCI/AER: Flush workqueue on device remove to avoid use-after-free
  ARCv2: SMP: Emulate IPI to self using software triggered interrupt
  ARCv2: STAR 9000950267: Handle return from intr to Delay Slot #2
  libata: fix sff host state machine locking while polling
  qla2xxx: Fix stale pointer access.
  spi: atmel: fix gpio chip-select in case of non-DT platform
  target: Fix race with SCF_SEND_DELAYED_TAS handling
  target: Fix remote-port TMR ABORT + se_cmd fabric stop
  target: Fix TAS handling for multi-session se_node_acls
  target: Fix LUN_RESET active TMR descriptor handling
  target: Fix LUN_RESET active I/O handling for ACK_KREF
  ALSA: hda - Fixing background noise on Dell Inspiron 3162
  ALSA: hda - Apply clock gate workaround to Skylake, too
  Revert "workqueue: make sure delayed work run in local cpu"
  workqueue: handle NUMA_NO_NODE for unbound pool_workqueue lookup
  mac80211: Requeue work after scan complete for all VIF types.
  rfkill: fix rfkill_fop_read wait_event usage
  tick/nohz: Set the correct expiry when switching to nohz/lowres mode
  perf stat: Do not clean event's private stats
  cdc-acm:exclude Samsung phone 04e8:685d
  Revert "Staging: panel: usleep_range is preferred over udelay"
  Staging: speakup: Fix getting port information
  sd: Optimal I/O size is in bytes, not sectors
  libceph: don't spam dmesg with stray reply warnings
  libceph: use the right footer size when skipping a message
  libceph: don't bail early from try_read() when skipping a message
  libceph: fix ceph_msg_revoke()
  seccomp: always propagate NO_NEW_PRIVS on tsync
  cpufreq: Fix NULL reference crash while accessing policy->governor_data
  cpufreq: pxa2xx: fix pxa_cpufreq_change_voltage prototype
  hwmon: (ads1015) Handle negative conversion values correctly
  hwmon: (gpio-fan) Remove un-necessary speed_index lookup for thermal hook
  hwmon: (dell-smm) Blacklist Dell Studio XPS 8000
  Thermal: do thermal zone update after a cooling device registered
  Thermal: handle thermal zone device properly during system sleep
  Thermal: initialize thermal zone device correctly
  IB/mlx5: Expose correct maximum number of CQE capacity
  IB/qib: Support creating qps with GFP_NOIO flag
  IB/qib: fix mcast detach when qp not attached
  IB/cm: Fix a recently introduced deadlock
  dmaengine: dw: disable BLOCK IRQs for non-cyclic xfer
  dmaengine: at_xdmac: fix resume for cyclic transfers
  dmaengine: dw: fix cyclic transfer callbacks
  dmaengine: dw: fix cyclic transfer setup
  nfit: fix multi-interface dimm handling, acpi6.1 compatibility
  ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot()
  ACPI: Revert "ACPI / video: Add Dell Inspiron 5737 to the blacklist"
  ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
  ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
  lib: sw842: select crc32
  uapi: update install list after nvme.h rename
  ideapad-laptop: Add Lenovo Yoga 700 to no_hw_rfkill dmi list
  ideapad-laptop: Add Lenovo ideapad Y700-17ISK to no_hw_rfkill dmi list
  toshiba_acpi: Fix blank screen at boot if transflective backlight is supported
  make sure that freeing shmem fast symlinks is RCU-delayed
  drm/radeon/pm: adjust display configuration after powerstate
  drm/radeon: Don't hang in radeon_flip_work_func on disabled crtc. (v2)
  drm: Fix treatment of drm_vblank_offdelay in drm_vblank_on() (v2)
  drm: Fix drm_vblank_pre/post_modeset regression from Linux 4.4
  drm: Prevent vblank counter bumps > 1 with active vblank clients. (v2)
  drm: No-Op redundant calls to drm_vblank_off() (v2)
  drm/radeon: use post-decrement in error handling
  drm/qxl: use kmalloc_array to alloc reloc_info in qxl_process_single_command
  drm/i915: fix error path in intel_setup_gmbus()
  drm/i915/dsi: don't pass arbitrary data to sideband
  drm/i915/dsi: defend gpio table against out of bounds access
  drm/i915/skl: Don't skip mst encoders in skl_ddi_pll_select()
  drm/i915: Don't reject primary plane windowing with color keying enabled on SKL+
  drm/i915/dp: fall back to 18 bpp when sink capability is unknown
  drm/i915: Make sure DC writes are coherent on flush.
  drm/i915: Init power domains early in driver load
  drm/i915: intel_hpd_init(): Fix suspend/resume reprobing
  drm/i915: Restore inhibiting the load of the default context
  drm: fix missing reference counting decrease
  drm/radeon: hold reference to fences in radeon_sa_bo_new
  drm/radeon: mask out WC from BO on unsupported arches
  drm: add helper to check for wc memory support
  drm/radeon: fix DP audio support for APU with DCE4.1 display engine
  drm/radeon: Add a common function for DFS handling
  drm/radeon: cleaned up VCO output settings for DP audio
  drm/radeon: properly byte swap vce firmware setup
  drm/radeon: clean up fujitsu quirks
  drm/radeon: Fix "slow" audio over DP on DCE8+
  drm/radeon: call hpd_irq_event on resume
  drm/radeon: Fix off-by-one errors in radeon_vm_bo_set_addr
  drm/dp/mst: deallocate payload on port destruction
  drm/dp/mst: Reverse order of MST enable and clearing VC payload table.
  drm/dp/mst: move GUID storage from mgr, port to only mst branch
  drm/dp/mst: Calculate MST PBN with 31.32 fixed point
  drm: Add drm_fixp_from_fraction and drm_fixp2int_ceil
  drm/dp/mst: fix in RAD element access
  drm/dp/mst: fix in MSTB RAD initialization
  drm/dp/mst: always send reply for UP request
  drm/dp/mst: process broadcast messages correctly
  drm/nouveau: platform: Fix deferred probe
  drm/nouveau/disp/dp: ensure sink is powered up before attempting link training
  drm/nouveau/display: Enable vblank irqs after display engine is on again.
  drm/nouveau/kms: take mode_config mutex in connector hotplug path
  drm/amdgpu/pm: adjust display configuration after powerstate
  drm/amdgpu: Don't hang in amdgpu_flip_work_func on disabled crtc.
  drm/amdgpu: use post-decrement in error handling
  drm/amdgpu: fix issue with overlapping userptrs
  drm/amdgpu: hold reference to fences in amdgpu_sa_bo_new (v2)
  drm/amdgpu: remove unnecessary forward declaration
  drm/amdgpu: fix s4 resume
  drm/amdgpu: remove exp hardware support from iceland
  drm/amdgpu: don't load MEC2 on topaz
  drm/amdgpu: drop topaz support from gmc8 module
  drm/amdgpu: pull topaz gmc bits into gmc_v7
  drm/amdgpu: The VI specific EXE bit should only apply to GMC v8.0 above
  drm/amdgpu: iceland use CI based MC IP
  drm/amdgpu: move gmc7 support out of CIK dependency
  drm/amdgpu: no need to load MC firmware on fiji
  drm/amdgpu: fix amdgpu_bo_pin_restricted VRAM placing v2
  drm/amdgpu: fix tonga smu resume
  drm/amdgpu: fix lost sync_to if scheduler is enabled.
  drm/amdgpu: call hpd_irq_event on resume
  drm/amdgpu: Fix off-by-one errors in amdgpu_vm_bo_map
  drm/vmwgfx: respect 'nomodeset'
  drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
  drm/vmwgfx: Fix an incorrect lock check
  virtio_pci: fix use after free on release
  virtio_balloon: fix race between migration and ballooning
  virtio_balloon: fix race by fill and leak
  regulator: mt6311: MT6311_REGULATOR needs to select REGMAP_I2C
  regulator: axp20x: Fix GPIO LDO enable value for AXP22x
  clk: exynos: use irqsave version of spin_lock to avoid deadlock with irqs
  cxl: use correct operator when writing pcie config space values
  sparc64: fix incorrect sign extension in sys_sparc64_personality
  EDAC, mc_sysfs: Fix freeing bus' name
  EDAC: Robustify workqueues destruction
  MIPS: Fix buffer overflow in syscall_get_arguments()
  MIPS: Fix some missing CONFIG_CPU_MIPSR6 #ifdefs
  MIPS: hpet: Choose a safe value for the ETIME check
  MIPS: Loongson-3: Fix SMP_ASK_C0COUNT IPI handler
  Revert "MIPS: Fix PAGE_MASK definition"
  cputime: Prevent 32bit overflow in time[val|spec]_to_cputime()
  time: Avoid signed overflow in timekeeping_get_ns()
  Bluetooth: 6lowpan: Fix handling of uncompressed IPv6 packets
  Bluetooth: 6lowpan: Fix kernel NULL pointer dereferences
  Bluetooth: Fix incorrect removing of IRKs
  Bluetooth: Add support of Toshiba Broadcom based devices
  Bluetooth: Use continuous scanning when creating LE connections
  Drivers: hv: vmbus: Fix a Host signaling bug
  tools: hv: vss: fix the write()'s argument: error -> vss_msg
  mmc: sdhci: Allow override of get_cd() called from sdhci_request()
  mmc: sdhci: Allow override of mmc host operations
  mmc: sdhci-pci: Fix card detect race for Intel BXT/APL
  mmc: pxamci: fix again read-only gpio detection polarity
  mmc: sdhci-acpi: Fix card detect race for Intel BXT/APL
  mmc: mmci: fix an ages old detection error
  mmc: core: Enable tuning according to the actual timing
  mmc: sdhci: Fix sdhci_runtime_pm_bus_on/off()
  mmc: mmc: Fix incorrect use of driver strength switching HS200 and HS400
  mmc: sdio: Fix invalid vdd in voltage switch power cycle
  mmc: sdhci: Fix DMA descriptor with zero data length
  mmc: sdhci-pci: Do not default to 33 Ohm driver strength for Intel SPT
  mmc: usdhi6rol0: handle NULL data in timeout
  clockevents/tcb_clksrc: Prevent disabling an already disabled clock
  posix-clock: Fix return code on the poll method's error path
  irqchip/gic-v3-its: Fix double ICC_EOIR write for LPI in EOImode==1
  irqchip/atmel-aic: Fix wrong bit operation for IRQ priority
  irqchip/mxs: Add missing set_handle_irq()
  irqchip/omap-intc: Add support for spurious irq handling
  coresight: checking for NULL string in coresight_name_match()
  dm: fix dm_rq_target_io leak on faults with .request_fn DM w/ blk-mq paths
  dm snapshot: fix hung bios when copy error occurs
  dm space map metadata: remove unused variable in brb_pop()
  tda1004x: only update the frontend properties if locked
  vb2: fix a regression in poll() behavior for output,streams
  gspca: ov534/topro: prevent a division by 0
  si2157: return -EINVAL if firmware blob is too big
  media: dvb-core: Don't force CAN_INVERSION_AUTO in oneshot mode
  rc: sunxi-cir: Initialize the spinlock properly
  namei: ->d_inode of a pinned dentry is stable only for positives
  mei: validate request value in client notify request ioctl
  mei: fix fasync return value on error
  rtlwifi: rtl8723be: Fix module parameter initialization
  rtlwifi: rtl8188ee: Fix module parameter initialization
  rtlwifi: rtl8192se: Fix module parameter initialization
  rtlwifi: rtl8723ae: Fix initialization of module parameters
  rtlwifi: rtl8192de: Fix incorrect module parameter descriptions
  rtlwifi: rtl8192ce: Fix handling of module parameters
  rtlwifi: rtl8192cu: Add missing parameter setup
  rtlwifi: rtl_pci: Fix kernel panic
  locks: fix unlock when fcntl_setlk races with a close
  um: link with -lpthread
  uml: fix hostfs mknod()
  uml: flush stdout before forking
  s390/fpu: signals vs. floating point control register
  s390/compat: correct restore of high gprs on signal return
  s390/dasd: fix performance drop
  s390/dasd: fix refcount for PAV reassignment
  s390/dasd: prevent incorrect length error under z/VM after PAV changes
  s390: fix normalization bug in exception table sorting
  btrfs: initialize the seq counter in struct btrfs_device
  Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots
  Btrfs: fix transaction handle leak on failure to create hard link
  Btrfs: fix number of transaction units required to create symlink
  Btrfs: send, don't BUG_ON() when an empty symlink is found
  btrfs: statfs: report zero available if metadata are exhausted
  Btrfs: igrab inode in writepage
  Btrfs: add missing brelse when superblock checksum fails
  KVM: s390: fix memory overwrites when vx is disabled
  s390/kvm: remove dependency on struct save_area definition
  clocksource/drivers/vt8500: Increase the minimum delta
  genirq: Validate action before dereferencing it in handle_irq_event_percpu()
  mm: numa: quickly fail allocations for NUMA balancing on full nodes
  mm: thp: fix SMP race condition between THP page fault and MADV_DONTNEED
  ocfs2: unlock inode if deleting inode from orphan fails
  drm/i915: shut up gen8+ SDE irq dmesg noise
  iw_cxgb3: Fix incorrectly returning error on success
  spi: omap2-mcspi: Prevent duplicate gpio_request
  drivers: android: correct the size of struct binder_uintptr_t for BC_DEAD_BINDER_DONE
  USB: option: add "4G LTE usb-modem U901"
  USB: option: add support for SIM7100E
  USB: cp210x: add IDs for GE B650V3 and B850V3 boards
  usb: dwc3: Fix assignment of EP transfer resources
  can: ems_usb: Fix possible tx overflow
  dm thin: fix race condition when destroying thin pool workqueue
  bcache: Change refill_dirty() to always scan entire disk if necessary
  bcache: prevent crash on changing writeback_running
  bcache: allows use of register in udev to avoid "device_busy" error.
  bcache: unregister reboot notifier if bcache fails to unregister device
  bcache: fix a leak in bch_cached_dev_run()
  bcache: clear BCACHE_DEV_UNLINK_DONE flag when attaching a backing device
  bcache: Add a cond_resched() call to gc
  bcache: fix a livelock when we cause a huge number of cache misses
  lib/ucs2_string: Correct ucs2 -> utf8 conversion
  efi: Add pstore variables to the deletion whitelist
  efi: Make efivarfs entries immutable by default
  efi: Make our variable validation list include the guid
  efi: Do variable name validation tests in utf8
  efi: Use ucs2_as_utf8 in efivarfs instead of open coding a bad version
  lib/ucs2_string: Add ucs2 -> utf8 helper functions
  ARM: 8457/1: psci-smp is built only for SMP
  drm/gma500: Use correct unref in the gem bo create function
  devm_memremap: Fix error value when memremap failed
  KVM: s390: fix guest fprs memory leak
  arm64: errata: Add -mpc-relative-literal-loads to build flags
  ARM: debug-ll: fix BCM63xx entry for multiplatform
  ext4: fix bh->b_state corruption
  sctp: Fix port hash table size computation
  unix_diag: fix incorrect sign extension in unix_lookup_by_ino
  tipc: unlock in error path
  rtnl: RTM_GETNETCONF: fix wrong return value
  IFF_NO_QUEUE: Fix for drivers not calling ether_setup()
  tcp/dccp: fix another race at listener dismantle
  route: check and remove route cache when we get route
  net_sched fix: reclassification needs to consider ether protocol changes
  pppoe: fix reference counting in PPPoE proxy
  l2tp: Fix error creating L2TP tunnels
  net/mlx4_en: Avoid changing dev->features directly in run-time
  net/mlx4_en: Choose time-stamping shift value according to HW frequency
  net/mlx4_en: Count HW buffer overrun only once
  qmi_wwan: add "4G LTE usb-modem U901"
  tcp: md5: release request socket instead of listener
  tipc: fix premature addition of node to lookup table
  af_unix: Guard against other == sk in unix_dgram_sendmsg
  af_unix: Don't set err in unix_stream_read_generic unless there was an error
  ipv4: fix memory leaks in ip_cmsg_send() callers
  bonding: Fix ARP monitor validation
  bpf: fix branch offset adjustment on backjumps after patching ctx expansion
  flow_dissector: Fix unaligned access in __skb_flow_dissector when used by eth_get_headlen
  net: Copy inner L3 and L4 headers as unaligned on GRE TEB
  sctp: translate network order to host order when users get a hmacid
  enic: increment devcmd2 result ring in case of timeout
  tg3: Fix for tg3 transmit queue 0 timed out when too many gso_segs
  net:Add sysctl_max_skb_frags
  tcp: do not drop syn_recv on all icmp reports
  unix: correctly track in-flight fds in sending process user_struct
  ipv6: fix a lockdep splat
  ipv6: addrconf: Fix recursive spin lock call
  ipv6/udp: use sticky pktinfo egress ifindex on connect()
  ipv6: enforce flowi6_oif usage in ip6_dst_lookup_tail()
  tcp: beware of alignments in tcp_get_info()
  switchdev: Require RTNL mutex to be held when sending FDB notifications
  inet: frag: Always orphan skbs inside ip_defrag()
  tipc: fix connection abort during subscription cancel
  net: dsa: fix mv88e6xxx switches
  sctp: allow setting SCTP_SACK_IMMEDIATELY by the application
  pptp: fix illegal memory access caused by multiple bind()s
  af_unix: fix struct pid memory leak
  tcp: fix NULL deref in tcp_v4_send_ack()
  lwt: fix rx checksum setting for lwt devices tunneling over ipv6
  tunnels: Allow IPv6 UDP checksums to be correctly controlled.
  net: dp83640: Fix tx timestamp overflow handling.
  gro: Make GRO aware of lightweight tunnels.
  af_iucv: Validate socket address length in iucv_sock_bind()

Conflicts:
	arch/arm64/Makefile
	arch/arm64/include/asm/cacheflush.h
	drivers/mmc/host/sdhci.c
	drivers/usb/dwc3/ep0.c
	drivers/usb/dwc3/gadget.c
	kernel/module.c
	sound/core/pcm_compat.c

CRs-Fixed: 1010239
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Change-Id: I41a28636fc9ad91f9d979b191784609476294cdf

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 68a62457e685..d473e6e07a7e 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -287,6 +287,12 @@ int handle_userfault(struct vm_area_struct *vma, unsigned long address,
 		goto out;
 
 	/*
+	 * We don't do userfault handling for the final child pid update.
+	 */
+	if (current->flags & PF_EXITING)
+		goto out;
+
+	/*
 	 * Check that we can return VM_FAULT_RETRY.
 	 *
 	 * NOTE: it should become possible to return VM_FAULT_RETRY