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

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

* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, vdso: Don't quote $nm in the script for checking vdso references
  x86, vdso: Error out if the vdso contains external references