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

[H. Peter Anvin]

yhlu wrote:
> On 5/8/07, H. Peter Anvin <hpa@xxxxxxxxx> 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.

A better way, probably, would be for the kernel to export the
boot_params structure so kexec can reuse it.

	-hpa
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