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

Pull leftover x86 fixes from Ingo Molnar:
 "Two leftover fixes that did not make it into v3.13"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Add check for number of available vectors before CPU down
  x86, cpu, amd: Add workaround for family 16h, erratum 793

diff --cc arch/x86/kernel/cpu/amd.c
Simple merge

diff --cc arch/x86/kernel/irq.c
Simple merge

diff --cc arch/x86/kernel/smpboot.c
Simple merge