kernel security and bug fix update

[2.6.9-89.0.23.0.1]

• [XEN] fix cpu hotplug crash (Joe Jin) [orabug 7521308]
• [XEN] Bring up vcpus before khelper init (Joe Jin) [orabug 7521308]
• [XEN] flush the tlb cache immediately (Dave McCracken, Scott Shi) [orabug 9138767]
• 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]
• fix oops in nlmclnt_mark_reclaim (Trond Myklebust) [orabug 8568878]
• [x86_64] Allowed machine_reboot running on boot_cpu (Joe Jin) [orabug 8425237]
• FP register state is corrupted during the handling a SIGSEGV (Chuck Anderson)
  [orabug 7708133]
• [x86_64]: fix x86_64 largesmp kernel reboot hang (Joe Jin) [orabug bug9126592]
• [nfs]: fix file attribute caching (Chuck Lever, Herbert van den Bergh)
  [orabug 8449921]
• [mm] revert patch #2042 (John Sobecki) [orabug 8895251]
  [2.6.9-89.0.23]
  -e1000e: fix broken wake up on LAN functionality due to other e1000e patch (Andy Gospodarek) [565496 558607]
  [2.6.9-89.0.22]
  -net: fix sctp ootb packet deinal of service (Neil Horman) [555662 555663] {CVE-2010-0008}
  -e1000e: fix broken wake up on LAN functionality due to other e1000e patch (Andy Gospodarek) [565496 558607]
  -signal: fix kernel information leak with print-fatal-signals=1 (Danny Feng) [554581 554582] {CVE-2010-0003}
  -netfilter: ebtables: enforce CAP_NET_ADMIN for modifications to ebtables (Danny Feng) [555240 555241] {CVE-2010-0007}
  -lpfc: lpfc driver doesn t acquire lock when searching hba for target (Rob Evers) [561453 548496]
  -ext3: replace lock/unlock_super() with an explicit lock for resizing (Lachlan McIlroy) [553135 547213]
  -kernel: fix DOS on x86_64, load_elf_binary() (Danny Feng) [560550 560551] {CVE-2010-0307}
  -scsi: make sure to enable ordered mode on scsi drives with write cache enabled (Josef Bacik) [560563 537475]
  [2.6.9-89.0.21]
  -ia32: fix kernel panic when coredump VDSO page for 32bit process (Amerigo Wang) [549230 549231] {CVE-2009-4271}