Merge branch 'x86-fixes-for-linus' of...

Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, pci, mrst: Add extra sanity check in walking the PCI extended cap chain
  x86: Fix x2apic preenabled system with kexec
  x86: Force HPET readback_cmp for all ATI chipsets