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    SubjectRe: [PATCH 1/2] Use structs instead of hardcoded offsets in x86 boot decompressor.
    On Fri, 23 May 2008 23:17:01 -0700
    "H. Peter Anvin" <hpa@zytor.com> wrote:

    > Uhm... except it doesn't live at address zero, at all.
    >
    > It's called "zeropage" because we used to recycle it into
    > empty_zero_page, a long long time ago.
    >
    > The bootparms structure is pointed to by %esi being passed from the
    > setup code to the decompressor to the kernel.

    Then why does dereferencing the uninitialized
    pointer work, both in the code before and after
    the patch?

    What am I misssing?


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