Merge android-4.4-p.194 (2b29211) into msm-4.4

Merge android-4.4-p.194 (2b29211) into msm-4.4

* refs/heads/tmp-2b29211
  Revert "ANDROID: regression introduced override_creds=off"
  ANDROID: regression introduced override_creds=off
  Fix fallout from changes to bootparam_utils.h
  ANDROID: sched: Disallow WALT with CFS bandwidth control
  ANDROID: fiq_debugger: remove
  ANDROID: arm64: fix leftover RWX when using CONFIG_UNMAP_KERNEL_AT_EL0
  ANDROID: fix kernelci build-break in lowmemorykiller
  ANDROID: Avoid taking multiple locks in handle_lmk_event
  UPSTREAM: net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier
  ANDROID: fix binder change in merge of 4.4.183
  Fix overlayfs build break
  binder: binder: fix possible UAF when freeing buffer
  ANDROID: Revert "f2fs: avoid out-of-range memory access"
  ANDROID: overlayfs: Fix a regression in commit b24be4acd
  ANDROID: enable CONFIG_RTC_DRV_TEST on cuttlefish
  ANDROID: xfrm: remove in_compat_syscall() checks
  BACKPORT: binder: Set end of SG buffer area properly.
  UPSTREAM: binder: check for overflow when alloc for security context
  BACKPORT: binder: fix race between munmap() and direct reclaim
  ANDROID: cuttlefish 4.4: enable CONFIG_CRYPTO_AES_NI_INTEL=y
  ANDROID: cuttlefish_defconfig: Disable DEVTMPFS
  ANDROID: cuttlefish_defconfig: Enable CONFIG_CPUSETS and CONFIG_CGROUP_SCHEDTUNE
  ANDROID: cuttlefish_defconfig: Drop dead CRYPTO options
  UPSTREAM: virtio: new feature to detect IOMMU device quirk
  UPSTREAM: vring: Use the DMA API on Xen
  UPSTREAM: virtio_ring: Support DMA APIs
  UPSTREAM: vring: Introduce vring_use_dma_api()
  ANDROID: cuttlefish_defconfig: L2TP/PPTP to OLAC/OPNS
  ANDROID: cuttlefish_defconfig: Enable DEBUG_SET_MODULE_RONX
  ANDROID: Fix cuttlefish redundant vsock connection.
  ANDROID: cuttlefish_defconfig: Enable CONFIG_RTC_HCTOSYS
  ANDROID: Move from clang r349610 to r353983c.
  Make arm64 serial port config compatible with crosvm
  UPSTREAM: virt_wifi: Remove REGULATORY_WIPHY_SELF_MANAGED
  ANDROID: cuttlefish_defconfig: Add support for AC97 audio
  ANDROID: Move from clang r346389b to r349610.
  ANDROID: cuttlefish_defconfig: Enable vsock options
  UPSTREAM: vhost/vsock: fix reset orphans race with close timeout
  UPSTREAM: vhost/vsock: fix use-after-free in network stack callers
  UPSTREAM: vhost: correctly check the iova range when waking virtqueue
  UPSTREAM: vhost: synchronize IOTLB message with dev cleanup
  UPSTREAM: vhost: fix info leak due to uninitialized memory
  UPSTREAM: vhost: fix vhost_vq_access_ok() log check
  UPSTREAM: vhost: validate log when IOTLB is enabled
  UPSTREAM: vhost_net: add missing lock nesting notation
  UPSTREAM: vhost: use mutex_lock_nested() in vhost_dev_lock_vqs()
  UPSTREAM: vhost/vsock: fix uninitialized vhost_vsock->guest_cid
  UPSTREAM: vhost_net: correctly check tx avail during rx busy polling
  UPSTREAM: vsock: use new wait API for vsock_stream_sendmsg()
  UPSTREAM: vsock: cancel packets when failing to connect
  UPSTREAM: vhost-vsock: add pkt cancel capability
  UPSTREAM: vsock: track pkt owner vsock
  UPSTREAM: vhost: fix initialization for vq->is_le
  UPSTREAM: vhost/vsock: handle vhost_vq_init_access() error
  UPSTREAM: vsock: lookup and setup guest_cid inside vhost_vsock_lock
  UPSTREAM: vhost-vsock: fix orphan connection reset
  UPSTREAM: vsock/virtio: fix src/dst cid format
  UPSTREAM: VSOCK: Don't dec ack backlog twice for rejected connections
  UPSTREAM: vhost/vsock: drop space available check for TX vq
  UPSTREAM: virtio-vsock: fix include guard typo
  UPSTREAM: vhost/vsock: fix vhost virtio_vsock_pkt use-after-free
  UPSTREAM: VSOCK: Use kvfree()
  BACKPORT: vhost: split out vringh Kconfig
  UPSTREAM: vhost: drop vringh dependency
  UPSTREAM: vhost: drop vringh dependency
  UPSTREAM: vhost: detect 32 bit integer wrap around
  UPSTREAM: VSOCK: Add Makefile and Kconfig
  UPSTREAM: VSOCK: Introduce vhost_vsock.ko
  UPSTREAM: VSOCK: Introduce virtio_transport.ko
  BACKPORT: VSOCK: Introduce virtio_vsock_common.ko
  UPSTREAM: VSOCK: defer sock removal to transports
  UPSTREAM: VSOCK: transport-specific vsock_transport functions
  UPSTREAM: vsock: make listener child lock ordering explicit
  UPSTREAM: vhost: new device IOTLB API
  BACKPORT: vhost: convert pre sorted vhost memory array to interval tree
  UPSTREAM: vhost: introduce vhost memory accessors
  UPSTREAM: vhost_net: stop polling socket during rx processing
  UPSTREAM: VSOCK: constify vsock_transport structure
  UPSTREAM: vhost: lockless enqueuing
  UPSTREAM: vhost: simplify work flushing
  UPSTREAM: VSOCK: Only check error on skb_recv_datagram when skb is NULL
  BACKPORT: AF_VSOCK: Shrink the area influenced by prepare_to_wait
  UPSTREAM: vhost_net: basic polling support
  UPSTREAM: vhost: introduce vhost_vq_avail_empty()
  UPSTREAM: vhost: introduce vhost_has_work()
  UPSTREAM: vhost: rename vhost_init_used()
  UPSTREAM: vhost: rename cross-endian helpers
  UPSTREAM: vhost: fix error path in vhost_init_used()
  UPSTREAM: virtio: make find_vqs() checkpatch.pl-friendly
  UPSTREAM: net: move napi_hash[] into read mostly section
  ANDROID: cuttlefish_defconfig: Enable VIRTIO_INPUT
  ANDROID: cuttlefish_defconfig: Enable VIRT_WIFI
  FROMGIT, BACKPORT: mac80211-next: rtnetlink wifi simulation device
  ANDROID: Move from clang r328903 to r346389b.
  ANDROID: arm64 defconfig / build config for cuttlefish
  ANDROID: Communicates LMK events to userland where they can be logged
  Fix merge issue with 4.4.178
  Fix merge issue with 4.4.177
  FROMGIT: binder: create node flag to request sender's security context
  ion: Disable ION_HEAP_TYPE_SYSTEM_CONTIG
  ANDROID: uid_sys_stats: Copy task_struct comm field to bigger buffer
  UPSTREAM: binder: fix race that allows malicious free of live buffer
  Makefile: Tidy up 4.4.165 merge
  ANDROID: sdcardfs: Change current->fs under lock
  ANDROID: sdcardfs: Don't use OVERRIDE_CRED macro
  arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
  ANDROID: arm64: mm: fix 4.4.154 merge
  Fix backport of "tcp: detect malicious patterns in tcp_collapse_ofo_queue()"
  tcp: detect malicious patterns in tcp_collapse_ofo_queue()
  tcp: avoid collapses in tcp_prune_queue() if possible

Conflicts:
	Makefile
	arch/arm64/configs/cuttlefish_defconfig
	arch/arm64/include/asm/cpufeature.h
	arch/x86/configs/x86_64_cuttlefish_defconfig
	arch/x86/include/asm/uaccess_32.h
	drivers/net/wireless/virt_wifi.c
	drivers/staging/android/lowmemorykiller.c
	fs/f2fs/checkpoint.c
	fs/f2fs/data.c
	fs/f2fs/dir.c
	fs/f2fs/f2fs.h
	fs/f2fs/file.c
	fs/f2fs/inline.c
	fs/f2fs/inode.c
	fs/f2fs/node.c
	fs/f2fs/recovery.c
	fs/f2fs/segment.c
	fs/f2fs/segment.h
	fs/f2fs/super.c
	fs/squashfs/block.c
	include/linux/f2fs_fs.h
	include/linux/msm_mdp.h
	include/uapi/linux/android/binder.h
	include/uapi/linux/virtio_ids.h
	kernel/cpu.c

Change-Id: I3d8da865a81161d356b11f84344c27e172c3add3
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>