Merge android-4.9-172 (2dbf78bc) into msm-4.9

* refs/heads/tmp-2dbf78bc:
  Linux 4.9.172
  Documentation: Add nospectre_v1 parameter
  powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
  net: IP6 defrag: use rbtrees in nf_conntrack_reasm.c
  net: IP6 defrag: use rbtrees for IPv6 defrag
  ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module
  net: IP defrag: encapsulate rbtree defrag code into callable functions
  ipv6: frags: fix a lockdep false positive
  ipv4: set the tcp_min_rtt_wlen range from 0 to one day
  net: stmmac: move stmmac_check_ether_addr() to driver probe
  team: fix possible recursive locking when add slaves
  net: rds: exchange of 8K and 1M pool
  net/mlx5e: ethtool, Remove unsupported SFP EEPROM high pages query
  mlxsw: spectrum: Fix autoneg status in ethtool
  ipv4: add sanity checks in ipv4_link_failure()
  Revert "block/loop: Use global lock for ioctl() operation."
  tipc: check link name with right length in tipc_nl_compat_link_set
  tipc: check bearer name with right length in tipc_nl_compat_bearer_enable
  fm10k: Fix a potential NULL pointer dereference
  netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
  NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
  fs/proc/proc_sysctl.c: Fix a NULL pointer dereference
  intel_th: gth: Fix an off-by-one in output unassigning
  slip: make slhc_free() silently accept an error pointer
  tipc: handle the err returned from cmd header function
  vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock
  USB: Consolidate LPM checks to avoid enabling LPM twice
  USB: Add new USB LPM helpers
  drm/vc4: Fix compilation error reported by kbuild test bot
  drm/vc4: Fix memory leak during gpu reset.
  ARM: 8857/1: efi: enable CP15 DMB instructions before cleaning the cache
  dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
  Input: synaptics-rmi4 - write config register values to the right offset
  sunrpc: don't mark uninitialised items as VALID.
  nfsd: Don't release the callback slot unless it was actually held
  ceph: fix ci->i_head_snapc leak
  ceph: ensure d_name stability in ceph_dentry_hash()
  sched/numa: Fix a possible divide-by-zero
  IB/rdmavt: Fix frwr memory registration
  trace: Fix preempt_enable_no_resched() abuse
  MIPS: scall64-o32: Fix indirect syscall number load
  tracing: Fix a memory leak by early error exit in trace_pid_write()
  cifs: do not attempt cifs operation on smb2+ rename error
  kbuild: simplify ld-option implementation

Conflicts:
	net/ipv4/sysctl_net_ipv4.c

Change-Id: I538fb990f557d35cf77821a86aab0bc4647c6ce8
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>