Messages in this thread |  | | Date | Sun, 25 May 2008 00:03:30 -0400 | | From | Rik van Riel <> | | | Subject | Re: [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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