The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/kernel/+/be965af2b99524cfd6229624f87685632e7e3218

commit be965af2b99524cfd6229624f87685632e7e3218
Author: Guenter Roeck <groeck@chromium.org>
Date: Mon Sep 10 16:37:04 2018

CHROMIUM: Merge 'v4.4.155' into chromeos-4.4

Merge of v4.4.155 into chromeos-4.4

Changelog:
----------------------------------------------------------------
Adrian Hunter (1):
      perf auxtrace: Fix queue resize

Al Viro (1):
      osf_getdomainname(): use copy_to_user()

Alexander Aring (2):
      net: 6lowpan: fix reserved space for single frames
      net: mac802154: tx: expand tailroom if necessary

Bartosz Golaszewski (1):
      spi: davinci: fix a NULL pointer dereference

Ben Hutchings (1):
      net: lan78xx: Fix misplaced tasklet_schedule() call

Chirantan Ekbote (1):
      9p/net: Fix zero-copy path in the 9p virtio transport

Christian Brauner (1):
      getxattr: use correct xattr length

Dan Carpenter (1):
      pnfs/blocklayout: off by one in bl_map_stripe()

Dave Airlie (2):
      x86/io: add interface to reserve io memtype for a resource range. (v1.1)
      drm/drivers: add support for using the arch wc mapping API.

Greg Kroah-Hartman (1):
      Linux 4.4.155

Guenter Roeck (1):
      Merge remote-tracking branch 'origin/linux/v4.4.155' into merge/chromeos-4.4-v4.4.155

Hari Bathini (1):
      powerpc/fadump: handle crash memory ranges array index overflow

Jacob Pan (2):
      iommu/vt-d: Add definitions for PFSID
      iommu/vt-d: Fix dev iotlb pfsid use

Jann Horn (2):
      sys: don't hold uts_sem while accessing userspace memory
      userns: move user access out of the mutex

Jeremy Cline (1):
      fs/quota: Fix spectre gadget in do_quotactl

Jiri Slaby (1):
      x86/mm/pat: Fix L1TF stable backport for CPA, 2nd call

Jon Hunter (1):
      ARM: tegra: Fix Tegra30 Cardhu PCA954x reset

Lars-Peter Clausen (2):
      iio: ad9523: Fix displayed phase
      iio: ad9523: Fix return value for ad952x_store()

Mahesh Salgaonkar (1):
      powerpc/pseries: Fix endianness while restoring of r3 in MCE handler.

Matthew Auld (1):
      drm/i915/userptr: reject zero user_size

Mike Snitzer (1):
      dm cache metadata: save in-core policy_hint_size to on-disk superblock

Mikulas Patocka (2):
      fb: fix lost console when the user unplugs a USB adapter
      udlfb: set optimal write delay

Nadav Amit (4):
      vmw_balloon: fix inflation of 64-bit GFNs
      vmw_balloon: do not use 2MB without batching
      vmw_balloon: VMCI_DOORBELL_SET does not check status
      vmw_balloon: fix VMCI use when balloon built into kernel

Peter Zijlstra (1):
      mm/tlb: Remove tlb_remove_table() non-concurrent condition

Richard Weinberger (4):
      ubifs: Fix memory leak in lprobs self-check
      Revert "UBIFS: Fix potential integer overflow in allocation"
      ubifs: Check data node size before truncate
      ubifs: Fix synced_i_size calculation for xattr inodes

Shan Hai (1):
      bcache: release dc->writeback_lock properly in bch_writeback_thread()

Snild Dolkow (1):
      kthread, tracing: Don't expose half-written comm when creating kthreads

Steven Rostedt (VMware) (3):
      tracing: Do not call start/stop() functions when tracing_on does not change
      tracing/blktrace: Fix to allow setting same value
      uprobes: Use synchronize_rcu() not synchronize_sched()

Tomas Bortoli (3):
      net/9p/client.c: version pointer uninitialized
      net/9p/trans_fd.c: fix race-condition by flushing workqueue before the kfree()
      9p: fix multiple NULL-pointer-dereferences

Vignesh R (1):
      pwm: tiehrpwm: Fix disabling of output of PWMs

jiangyiwen (1):
      9p/virtio: fix off-by-one error in sg list bounds check

piaojun (1):
      fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed

zhangyi (F) (1):
      PM / sleep: wakeup: Fix build error caused by missing SRCU support

 Makefile                                   |  2 +-
 arch/alpha/kernel/osf_sys.c                | 64 +++++++++-----------
 arch/arm/boot/dts/tegra30-cardhu.dtsi      |  1 +
 arch/powerpc/include/asm/fadump.h          |  3 -
 arch/powerpc/kernel/fadump.c               | 92 ++++++++++++++++++++++++-----
 arch/powerpc/platforms/pseries/ras.c       |  2 +-
 arch/sparc/kernel/sys_sparc_32.c           | 22 ++++---
 arch/sparc/kernel/sys_sparc_64.c           | 20 ++++---
 arch/x86/include/asm/io.h                  |  6 ++
 arch/x86/mm/pageattr.c                     |  2 +-
 arch/x86/mm/pat.c                          | 14 +++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c |  5 ++
 drivers/gpu/drm/ast/ast_ttm.c              |  6 ++
 drivers/gpu/drm/cirrus/cirrus_ttm.c        |  7 +++
 drivers/gpu/drm/i915/i915_gem_userptr.c    |  3 +
 drivers/gpu/drm/mgag200/mgag200_ttm.c      |  7 +++
 drivers/gpu/drm/nouveau/nouveau_ttm.c      |  8 +++
 drivers/gpu/drm/radeon/radeon_object.c     |  5 ++
 drivers/iio/frequency/ad9523.c             |  4 +-
 drivers/iommu/dmar.c                       |  6 +-
 drivers/iommu/intel-iommu.c                | 18 +++++-
 drivers/md/bcache/writeback.c              |  4 +-
 drivers/md/dm-cache-metadata.c             |  3 +-
 drivers/misc/vmw_balloon.c                 | 67 +++++++++++++--------
 drivers/net/usb/lan78xx.c                  |  4 +-
 drivers/pwm/pwm-tiehrpwm.c                 |  2 +
 drivers/spi/spi-davinci.c                  |  2 +-
 drivers/video/fbdev/core/fbmem.c           | 38 ++++++++++--
 fs/9p/xattr.c                              |  6 +-
 fs/nfs/blocklayout/dev.c                   |  2 +-
 fs/quota/quota.c                           |  2 +
 fs/ubifs/journal.c                         | 18 +++++-
 fs/ubifs/lprops.c                          |  8 +--
 fs/xattr.c                                 |  2 +-
 include/linux/intel-iommu.h                |  8 ++-
 include/linux/io.h                         | 22 +++++++
 include/video/udlfb.h                      |  2 +-
 kernel/kthread.c                           |  8 ++-
 kernel/power/Kconfig                       |  1 +
 kernel/sys.c                               | 95 ++++++++++++++----------------
 kernel/trace/blktrace.c                    |  4 ++
 kernel/trace/trace.c                       |  4 +-
 kernel/trace/trace_uprobe.c                |  2 +-
 kernel/user_namespace.c                    | 39 ++++++------
 kernel/utsname_sysctl.c                    | 41 ++++++++-----
 mm/memory.c                                |  9 ---
 net/9p/client.c                            |  2 +-
 net/9p/trans_fd.c                          |  7 ++-
 net/9p/trans_rdma.c                        |  3 +
 net/9p/trans_virtio.c                      | 13 +++-
 net/ieee802154/6lowpan/tx.c                | 21 ++++++-
 net/mac802154/tx.c                         | 15 ++++-
 tools/perf/util/auxtrace.c                 |  3 +
 53 files changed, 519 insertions(+), 235 deletions(-)

BUG= chromium:882008 
TEST=Build and test on various affected systems

Change-Id: Icd60f0ce44166e52432535db8c6f6d22a2cb5c16
Signed-off-by: Guenter Roeck <groeck@chromium.org>