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yhlu wrote: > 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. A better way, probably, would be for the kernel to export the boot_params structure so kexec can reuse it. -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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