kernel security and bug fix update

[2.6.9-78.0.22.0.1.EL]

• [xen] fix for hung JVM thread after #GPF [orabug 7916406] (Chuck Anderson)
• fix entropy flag in bnx2 driver to generate entropy pool (John Sobecki)
  [orabug 5931647]
• 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]
• fix per_cpu() api bug_on with rds (Zach Brown) [orabug 5760648]
• backout patch sysrq-b that queues upto keventd thread (Guru Anbalagane)
  [orabug 6125546]
• netrx/netpoll race avoidance (Tina Yang) [orabug 6143381]
• fix guest spinning in xen (Herbert van den Bergh) [orabug 7004010]
• fix serial port lock recursion (Herbert van den Bergh) [orabug 6761872]
• [XEN] Fix elf_core_dump (Tina Yang) [orabug 6995928]
• fix in nfs_attribute_timeout() (Trond Myklebust) [orabug 7378108]
• 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]
• port Red Hat bug 472572: HVM crash in net/core/dev.c during boot [orabug 7653948]
  The following Red Hat patches were ported from the source RPM at:
  http://people.redhat.com/vgoyal/rhel4/SRPMS.kernel/kernel-2.6.9-78.22.EL.src.rpm
  linux-2.6.9-xen-fix-netfront-mem-leak.patch
  linux-2.6.9-xen-xen-vnif-stops-working-on-reception-of-duplicat.patch
• fix kernel null dereference in ap_suspend() during migration [orabug 7635625]
  Ported from the el5u2 xenpv-0.1-9.0.1.el5 patch
  ovs-bugz7262-fix-migration-hang-due-to-write-lock-starvation.patch.
  In el5u2, the fix is to the xenpv driver. For el4u7, the xenpv driver
  was moved into the kernel.
• port el4u6 xenpv patch (orabug 7442030) for live migration hang
  [orabug 7458244]
• [xen]: port el5u2 patch that allows 64-bit PVHVM guest to boot with 32-bit
  dom0 [orabug 7452107]
• [mm] update shrink_zone patch to allow 100% swap utilization (John Sobecki,
  Chris Mason, Chuck Anderson, Dave McCracken) [orabug 7566319,6086839]
• [nfs] update fix for attribute caching when using actimeo=0 (Chuck Lever,
  John Sobecki) [ORABUG 7131141,7156607,7388056] [RHBZ 446083,476726]
• [kernel] backport report_lost_ticks patch from EL5.2 (John Sobecki)
  [orabug 6110605]
• 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 show_partition using RCU (Wen gang Wang) [orabug 8423936]
  [2.6.9-78.0.22]
  -nmi watchdog: fix LAPIC mode detection on cpus with supported performance counters (John Villalovos) [497330 491338]
  [2.6.9-78.0.21]
  -igb: prevent deadlock while executing netdump (Andy Gospodarek) [480579 435886]
  [2.6.9-78.0.20]
  -mce: do not clear status registers in fatal conditions (Aristeu Rozanski) [494915 489695]
  [2.6.9-78.0.19]
  -xen: guest will crash if rtl8139 nic is only one specified (Don Dutile) [477146 472572]
  -fix CLONE_PARENT and parent_exec_id interaction (Don Howard) [479961 479962] {CVE-2009-0028}
  -x86_64: syscall_audit: fix 32/64 syscall hole (Jerome Marchand) [487999 488000] {CVE-2009-0834}
  -x86_64: backport is_compat_task (Jerome Marchand) [487999 488000] {CVE-2009-0834}
  -megaraid: fix a bug in reset handler (Tomas Henzl) [493420 481662]
  -ext3: ext3_symlink should use gfp_nofs allocations inside (Flavio Leitner) [493422 489768]
  [2.6.9-78.0.18]
  -igb: prevent deadlock while executing netdump (Andy Gospodarek) [480579 435886]
  -nfs: fix pages of a memory mapped nfs file get corrupted (Peter Staubach) [490119 432974]
  -aio: fix race in aio_complete that leads to a process hang (Jeff Moyer) [489935 456686]
  -mptfusion: remove check for type disk (Tomas Henzl) [487399 465514]
  -kernel: fix kernel memory disclosure in getsockopt() with option SO_BSDCOMPAT (Don Howard) [486515 486516] {CVE-2009-0676}
  -ia64: fix deadlock in ia64 sys_ptrace (Jerome Marchand) [484904 442816]
  -nfs: remove bogus lock if signalled case (Bryn M. Reeves) [456284 456285] {CVE-2008-4307}
  -nmi watchdog: generate load on all cpus while testing if the watchdog works (Aristeu Rozanski) [479184 488018]
  -nmi watchdog: move check_nmi_watchdog to later in boot time (Aristeu Rozanski) [479184 458859]