Merge branches 'stable/mmu.fixes.rebased' and 'stable/bug.fixes-3.2.rebased' into...

Merge branches 'stable/mmu.fixes.rebased' and 'stable/bug.fixes-3.2.rebased' into uek2-merge

* stable/mmu.fixes.rebased:
  xen-gntalloc: signedness bug in add_grefs()
  xen-gntalloc: integer overflow in gntalloc_ioctl_alloc()
  xen-gntdev: integer overflow in gntdev_alloc_map()
  xen:pvhvm: enable PVHVM VCPU placement when using more than 32 CPUs.
  xen/balloon: Avoid OOM when requesting highmem

* stable/bug.fixes-3.2.rebased:
  xen: Remove hanging references to CONFIG_XEN_PLATFORM_PCI