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    SubjectRe: [PATCH v2 1/3] x86, boot: add mmio serial during compressed boot
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    On Tue, Jul 16, 2013 at 12:41 PM, H. Peter Anvin <hpa@zytor.com> wrote:
    > On 07/16/2013 12:40 PM, Kees Cook wrote:
    >>>
    >>> I think setting up a dynamic #PF handler is the right thing for the
    >>> decompressor, we already did for the kernel proper.
    >>
    >> I'm not sure how to accomplish this yet. I'm still trying to
    >> understand how the page tables are arranged. :)
    >>
    >
    > Look at the handler at the top of arch/x86/kernel/head64.c.

    could extract code from arch/x86/kernel/{head64.c, head_64.S},
    and share them with arch/x86/boot/compressed/{misc.c, head_64.S}

    Yinghai


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