Re: [PATCH] i386: always clear bss

From: H. Peter Anvin
Date: Fri May 04 2007 - 19:17:41 EST


Eric W. Biederman wrote:
>
> My notes show 0x5c reserved for additional apm_bios_info, although
> of the top of my head I don't know how realistic that is.
>
> 0x1e4 does look available.
>
> It has been a long time since I made that choice, and I do see that
> looking at struct screen_info I did remember to document that I was
> using 0x3c, even in your structure.
>
> It is all internal to our boot process and external code isn't going
> to use it so we can change it if we feel like.
>

I don't see the actual instruction that does that anywhere in my tree,
which was branched from Andi's "for-linus" git tree, but I have reserved
0x1e4 for that purpose as "scratch".

-hpa
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