- x86/tls: Validate TLS entries to protect espfix
  (bsc#909077,CVE-2014-8133).
- x86_64, traps: Fix the espfix64 #DF fixup and rewrite it in C
  (bsc#907818,CVE-2014-9090).
- x86_64, traps: Rework bad_iret (bsc#909077,CVE-2014-8133).
- x86_64, traps: Stop using IST for #SS (bsc#907818,
  CVE-2014-9090, CVE-2014-9322).
- Refresh patches.arch/x86_64-unwind-annotations.
- Refresh patches.xen/xen3-patch-2.6.31.
ext4: improve extents status tree trace point (bnc#893428).
ext4: track extent status tree shrinker delay statictics
(bnc#893428).
ext4: fix block reservation for bigalloc filesystems
(bnc#893428).
ext4: cache extent hole in extent status tree for
ext4_da_map_blocks() (bnc#893428).
ext4: change LRU to round-robin in extent status tree shrinker
(bnc#893428).
ext4: move handling of list of shrinkable inodes into extent
status code (bnc#893428).
ext4: limit number of scanned extents in status tree shrinker
(bnc#893428).
ext4: cleanup flag definitions for extent status tree
(bnc#893428).
ext4: introduce aging to extent status tree (bnc#893428).