Merge tag 'v4.1.38' into 4.1-2.0.x-imx

Linux 4.1.38

* tag 'v4.1.38': (109 commits)
  Linux 4.1.38
  gro: Allow tunnel stacking in the case of FOU/GUE
  tunnels: Don't apply GRO to multiple layers of encapsulation.
  net: ipv4: Convert IP network timestamps to be y2038 safe
  ipip: Properly mark ipip GRO packets as encapsulated.
  sg_write()/bsg_write() is not fit to be called under KERNEL_DS
  fs: exec: apply CLOEXEC before changing dumpable task flags
  IB/cma: Fix a race condition in iboe_addr_get_sgid()
  Revert "ALSA: usb-audio: Fix race at stopping the stream"
  kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
  drivers/gpu/drm/ast: Fix infinite loop if read fails
  target/user: Fix use-after-free of tcmu_cmds if they are expired
  kernel/debug/debug_core.c: more properly delay for secondary CPUs
  scsi: avoid a permanent stop of the scsi device's request queue
  IB/multicast: Check ib_find_pkey() return value
  IPoIB: Avoid reading an uninitialized member variable
  block_dev: don't test bdev->bd_contains when it is not stable
  btrfs: limit async_work allocation and worker func duration
  mm/vmscan.c: set correct defer count for shrinker
  Input: drv260x - fix input device's parent assignment
  ...

4 files changed, 11 insertions, 3 deletions

diff --git a/Documentation/arm/CCN.txt b/Documentation/arm/CCN.txt
index 0632b3aad83e..715776f06df6 100644
--- a/Documentation/arm/CCN.txt
+++ b/Documentation/arm/CCN.txt
@@ -38,7 +38,7 @@ Example of perf tool use:
 / # perf list | grep ccn
   ccn/cycles/                                        [Kernel PMU event]
 <...>
-  ccn/xp_valid_flit/                                 [Kernel PMU event]
+  ccn/xp_valid_flit,xp=?,port=?,vc=?,dir=?/          [Kernel PMU event]
 <...>
 
 / # perf stat -C 0 -e ccn/cycles/,ccn/xp_valid_flit,xp=1,port=0,vc=1,dir=1/ \
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index e69274de8d0c..0500895b768f 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -287,8 +287,8 @@ implementing on-disk size changes.  Start with a copy of the old inode_setattr
 and vmtruncate, and the reorder the vmtruncate + foofs_vmtruncate sequence to
 be in order of zeroing blocks using block_truncate_page or similar helpers,
 size update and on finally on-disk truncation which should not fail.
-inode_change_ok now includes the size checks for ATTR_SIZE and must be called
-in the beginning of ->setattr unconditionally.
+setattr_prepare (which used to be inode_change_ok) now includes the size checks
+for ATTR_SIZE and must be called in the beginning of ->setattr unconditionally.
 
 [mandatory]
 
diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt
index 302b5ed616a6..35e17f748ca7 100644
--- a/Documentation/sysctl/fs.txt
+++ b/Documentation/sysctl/fs.txt
@@ -265,6 +265,13 @@ aio-nr can grow to.
 
 ==============================================================
 
+mount-max:
+
+This denotes the maximum number of mounts that may exist
+in a mount namespace.
+
+==============================================================
+
 
 2. /proc/sys/fs/binfmt_misc
 ----------------------------------------------------------
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 9fa2bf8c3f6f..7830f1c34a7d 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1955,6 +1955,7 @@ registers, find a list below:
   PPC   | KVM_REG_PPC_TM_VSCR           | 32
   PPC   | KVM_REG_PPC_TM_DSCR           | 64
   PPC   | KVM_REG_PPC_TM_TAR            | 64
+  PPC   | KVM_REG_PPC_TM_XER            | 64
         |                               |
   MIPS  | KVM_REG_MIPS_R0               | 64
           ...