[ELSA-2012-0481] kernel security, bug fix, and enhancement update

[2.6.32-220.13.1.el6]
- Revert: [fs] NFSv4: include bitmap in nfsv4 get acl data (Sachin Prabhu) [753231 753232] {CVE-2011-4131}

[2.6.32-220.12.1.el6]
- [net] net_sched: qdisc_alloc_handle() can be too slow (Jiri Pirko) [805458 785891]
- [fs] procfs: add hidepid= and gid= mount options (Jerome Marchand) [770651 770652]
- [fs] procfs: parse mount options (Jerome Marchand) [770651 770652]
- [fs] fuse: add O_DIRECT support (Josef Bacik) [800552 753798]
- [kernel] sysctl: restrict write access to dmesg_restrict (Phillip Lougher) [749248 749251]
- [block] dm io: fix discard support (Mike Snitzer) [799943 758404]
- [net] netlink: wrong size was calculated for vfinfo list blob (Andy Gospodarek) [790338 772136]
- [netdrv] mlx4_en: fix endianness with blue frame support (Steve Best) [789911 750166]
- [usb] Fix deadlock in hid_reset when Dell iDRAC is reset (Shyam Iyer) [797205 782374]
- [virt] vmxnet3: Cap the length of the pskb_may_pull on transmit (bz 790673) (Neil Horman) [801723 790673]
- [scsi] megaraid_sas: Fix instance access in megasas_reset_timer (Tomas Henzl) [790341 759318]
- [netdrv] macvtap: Fix the minor device number allocation (Steve Best) [796828 786518]
- [net] tcp: bind() fix autoselection to share ports (Flavio Leitner) [787764 784671]
- [fs] cifs: change oplock break slow work to very slow work (Jeff Layton) [789373 772874]
- [net] sunrpc: remove xpt_pool (J. Bruce Fields) [795338 753301]
- [net] Potential null skb->dev dereference (Flavio Leitner) [795335 769590]
- [net] pkt_sched: Fix sch_sfq vs tcf_bind_filter oops (Jiri Pirko) [786873 667925]
- [net] mac80211: cancel auth retries when deauthenticating (John Linville) [797241 754356]

[2.6.32-220.11.1.el6]
- [netdrv] igb: reset PHY after recovering from PHY power down (Frantisek Hrbata) [789371 737714]
- [drm] Ivybridge force wake fixes (Dave Airlie) [790007 786272]
- [fs] xfs: fix inode lookup race (Dave Chinner) [804961 796277]
- [kernel] regset: Return -EFAULT, not -EIO, on host-side memory fault (Jerome Marchand) [799212 799213] {CVE-2012-1097}
- [kernel] regset: Prevent null pointer reference on readonly regsets (Jerome Marchand) [799212 799213] {CVE-2012-1097}
- [block] Fix io_context leak after failure of clone with CLONE_IO (Vivek Goyal) [796846 791125] {CVE-2012-0879}
- [block] Fix io_context leak after clone with CLONE_IO (Vivek Goyal) [796846 791125] {CVE-2012-0879}
- [fs] cifs: fix dentry refcount leak when opening a FIFO on lookup (Sachin Prabhu) [798298 781893] {CVE-2012-1090}
- [fs] NFSv4: include bitmap in nfsv4 get acl data (Sachin Prabhu) [753231 753232] {CVE-2011-4131}
- [mm] fix nrpages assertion (Josef Bacik) [797182 766861]
- [mm] Eliminate possible panic in page compaction code (Larry Woodman) [802430 755885]
- [mm] Prevent panic on 2-node x3850 X5 w/2 MAX5 memory drawers panics while running certification tests caused by page list corruption (Larry Woodman) [802430 755885]
- [sched] Fix cgroup movement of waking process (Larry Woodman) [795326 773517]
- [sched] Fix cgroup movement of forking process (Larry Woodman) [795326 773517]
- [sched] Fix cgroup movement of newly created process (Larry Woodman) [795326 773517]
- [sched] Fix ->min_vruntime calculation in dequeue_entity() (Larry Woodman) [795326 773517]
- [sched] cgroup: Fixup broken cgroup movement (Larry Woodman) [795326 773517]
- [kernel] Prevent system deadlock when moving tasks between cgroups (Larry Woodman) [789060 773522]
- [kernel] sched: fix {s,u}time values decrease (Stanislaw Gruszka) [789061 748559]
- [mm] mempolicy.c: refix mbind_range() vma issue (Motohiro Kosaki) [802379 727700]
- [mm] mempolicy.c: fix pgoff in mbind vma merge (Motohiro Kosaki) [802379 727700]

[2.6.32-220.10.1.el6]
- [sched] Fix Kernel divide by zero panic in find_busiest_group() (Larry Woodman) [801718 785959]

[2.6.32-220.9.1.el6]
- [x86] Fix c-state transitions when !NOHZ (Prarit Bhargava) [798572 767753]
- [x86] tsc: Skip TSC synchronization checks for tsc=reliable (Prarit Bhargava) [798572 767753]

[2.6.32-220.8.1.el6]
- [fs] nfs: don't try to migrate pages with active requests (Jeff Layton) [790905 739811]