kernel security and bug fix update

[2.6.9-89.0.7.0.1.EL]

• fix skb alignment that was causing sendto() to fail with EFAULT (Olaf Kirch)
  [orabug 6845794]
  fix enomem due to larger mtu size page alloc (Zach Brown) [orabug 5486128]
• backout patch sysrq-b that queues upto keventd thread (Guru Anbalagane)
  [orabug 6125546]
• netrx/netpoll race avoidance (Tina Yang) [orabug 6143381]
• [XEN] Fix elf_core_dump (Tina Yang) [orabug 6995928]
• use lfence instead of cpuid instruction to implement memory barriers
  (Herbert van den Bergh) [orabug 7452412]
• add netpoll support to xen netfront (Tina Yang) [orabz 7261]
• [xen] execshield: fix endless GPF fault loop (Stephen Tweedie) [orabug 7175395]
• [xen]: port el5u2 patch that allows 64-bit PVHVM guest to boot with 32-bit
  dom0 [orabug 7452107] xenstore
• [mm] update shrink_zone patch to allow 100% swap utilization (John Sobecki,
  Chris Mason, Chuck Anderson, Dave McCracken) [orabug 7566319,6086839]
• [kernel] backport report_lost_ticks patch from EL5.2 (John Sobecki)
  [orabug 6110605]
• [xen] fix for hung JVM thread after #GPF [orabug 7916406] (Chuck Anderson)
• port EL5U3 patch to adjust totalhigh_pages in the balloon driver [orabug 8300888]
• check to see if hypervisor supports memory reservation change (Chuck Anderson) [orabug7556514]
• [XEN] use hypercall to fixmap pte updates (Mukesh Rathor) [orabug 8433329]
• [XEN] Extend physical mask to 40bit for machine above 64G [orabug 8312526]
  [2.6.9-89.0.7]
  -Revert: eliminate deadlock with echo 1 > /proc/sys/vm/drop_caches (Larry Woodman) [505649 495861]
  [2.6.9-89.0.6]
  -r8169: fix crash when large packets are received (Ivan Vecera) [504729 504730] {CVE-2009-1389}
  -block: block initialize request struct (Tomas Henzl) [513189 505506]
  -scsi: do not fastfail device errors (Mike Christie) [514007 505122]
  [2.6.9-89.0.5]
  -mm: clear hugeptes properly (James Paradis) [513182 497204]
  -block: protect the per gendisk partition array with rcu (Jeff Moyer) [512310 495858]
  [2.6.9-89.0.4]
  -cifs: fix unicode alignment and buffer sizing problems (Jeff Layton) [494277 494278] {CVE-2009-1439}
  -cifs: fix potential buffer overruns when converting strings (Jeff Layton) [496574 496575] {CVE-2009-1633}
  -eliminate deadlock with echo 1 > /proc/sys/vm/drop_caches (Larry Woodman) [505649 495861]
  -net: bonding: select current active slave when enslaving device for mode tlb and alb (Jiri Pirko) [507563 500637]
  -fix cast in time keeping code (Prarit Bhargava) [508835 491147]