Unbreakable Enterprise kernel security and bugfix update

[2.6.39-400.21.1]

• SPEC: v2.6.39-400.21.1 (Maxim Uvarov)
• xen/mmu: On early bootup, flush the TLB when changing RO->RW bits Xen provided pagetables. (Konrad Rzeszutek Wilk)
  [2.6.39-400.20.1]
• SPEC: v2.6.39-400.20.1 (Maxim Uvarov)
• PCI: Set device power state to PCI_D0 for device without native PM support (Ajaykumar Hotchandani) [Orabug: 16482495]
• sched: Fix cgroup movement of waking process (Daisuke Nishimura) [Orabug: 13740515]
• sched: Fix cgroup movement of newly created process (Daisuke Nishimura) [Orabug: 13740515]
• sched: Fix cgroup movement of forking process (Daisuke Nishimura) [Orabug: 13740515]
  [2.6.39-400.19.1]
• IB/core: Allow device-specific per-port sysfs files (Ralph Campbell)
• RDMA/cma: Pass QP type into rdma_create_id() (Sean Hefty)
• IB: Rename RAW_ETY to RAW_ETHERTYPE (Aleksey Senin)
• IB: Warning Resolution. (Ajaykumar Hotchandani)
• mlx4_core: fix FMR flags in free MTT range (Saeed Mahameed)
• mlx4_core/ib: sriov fmr bug fixes (Saeed Mahameed)
• mlx4_core: Change bitmap allocator to work in round-robin fashion (Saeed
  Mahameed)
• mlx4_vnic: move host admin vnics to closed state when closing the vnic.
  (Saeed Mahameed)
• mlx4_ib: make sure to flush clean_wq while closing sriov device (Saeed
  Mahameed)
• ib_sdp: fix deadlock when sdp_cma_handler is called while socket is being
  closed (Saeed Mahameed)
• ib_sdp: add unhandled events to rdma_cm_event_str (Saeed Mahameed)
• mlx4_core: use dev->sriov instead of hardcoed 127 vfs when initializing FMR
  MPT tables (Saeed Mahameed)
• mlx4_vnic: print vnic keep alive info in mlx4_vnic_info (Saeed Mahameed)
• rds: Congestion flag does not get cleared causing the connection to hang
  (Bang Nguyen) [Orabug: 16424692]
• dm table: set flush capability based on underlying devices (Mike Snitzer)
  [Orabug: 16392584]
• wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED task
  (Oleg Nesterov) [Orabug: 16405869] {CVE-2013-0871}
• ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL (Oleg
  Nesterov) [Orabug: 16405869] {CVE-2013-0871}
• ptrace: introduce signal_wake_up_state() and ptrace_signal_wake_up() (Oleg
  Nesterov) [Orabug: 16405869] {CVE-2013-0871}
• drm/i915: bounds check execbuffer relocation count (Kees Cook) [Orabug:
  16482650] {CVE-2013-0913}
• NLS: improve UTF8 -> UTF16 string conversion routine (Alan Stern) [Orabug:
  16425571] {CVE-2013-1773}
• ipmi: make kcs timeout parameters as module options (Pavel Bures) [Orabug:
  16470881]
• drm/i915/lvds: ditch ->prepare special case (Daniel Vetter) [Orabug:
  14394113]
• drm/i915: Leave LVDS registers unlocked (Keith Packard) [Orabug: 14394113]
• drm/i915: dont clobber the pipe param in sanitize_modesetting (Daniel
  Vetter) [Orabug: 14394113]
• drm/i915: Sanitize BIOS debugging bits from PIPECONF (Chris Wilson) [Orabug:
  14394113]
  [2.6.39-400.18.1]
• SPEC: fix doc build (Guru Anbalagane)
• floppy: Fix a crash during rmmod (Vivek Goyal) [Orabug: 16040504]
• x86: ignore changes to paravirt_lazy_mode while in an interrupt context
  (Chuck Anderson) [Orabug: 16417326]
• x86/msr: Add capabilities check (Alan Cox) [Orabug: 16405007] {CVE-2013-0268}
• spec: unique debuginfo (Maxim Uvarov) [Orabug: 16245366]
• xfs: Use preallocation for inodes with extsz hints (Dave Chinner) [Orabug:
  16307993]
• Add SIOCRDSGETTOS to get the current TOS for the socket (bang.nguyen)
  [Orabug: 16397197]
• Changes to connect/TOS interface (bang.nguyen) [Orabug: 16397197]
• floppy: Cleanup disk->queue before caling put_disk() if add_disk() was never
  called (Vivek Goyal) [Orabug: 16040504]