* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, asm: Clean up desc.h a bit
x86, amd: Do not enable ARAT feature on AMD processors below family 0x12
x86: Move do_page_fault()'s error path under unlikely()
x86, efi: Retain boot service code until after switching to virtual mode
x86: Remove unnecessary check in detect_ht()
x86: Reorder mm_context_t to remove x86_64 alignment padding and thus shrink mm_struct
x86, UV: Clean up uv_tlb.c
x86, UV: Add support for SGI UV2 hub chip
x86, cpufeature: Update CPU feature RDRND to RDRAND
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