[GIT PULL] x86/cpu for v3.9-rc1 [take 2]

Hi Linus, This is a corrected attempt at the x86/cpu branch, this time with the fixes in that makes it not break on KVM (current or past), or any other virtualizer which traps on this configuration. Again, the biggest change here is enabling the WC+ memory type on AMD processors, if the BIOS

[GIT PULL] x86/cpu for v3.9-rc1 [take 2]

Hi Linus, This is a corrected attempt at the x86/cpu branch, this time with the fixes in that makes it not break on KVM (current or past), or any other virtualizer which traps on this configuration. Again, the biggest change here is enabling the WC+ memory type on AMD processors, if the BIOS