Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

[yhlu <yhlu.kernel@gmail.com>]

On 5/8/07, H. Peter Anvin <hpa@zytor.com> wrote:
> H. Peter Anvin wrote:
> Of course, one could argue that since all of those were obsolete by the
> time Linux was first created, that it probably doesn't matter and that
> isVGA == 0 pretty much means the more obvious thing.
>
> MDA/HGC stuck around for quite a while for debugging, since it was
> non-conflicting with VGA, but even if it is, the reason people put it in
> their system is to have something that the OS doesn't readily see.
so the kexec tools need to scan the pci devices list, and find out how
to set real_mode.isVGA and orig_video_mode, also need to parse the
comand line about vga console.

YH
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