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

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Date:	Wed, 9 May 2007 09:31:48 -0700
From:	yhlu <yhlu.kernel@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"Jeremy Fitzhardinge" <jeremy@...p.org>, vgoyal@...ibm.com,
	"Gerd Hoffmann" <kraxel@...hat.com>,
	"Jeff Garzik" <jeff@...zik.org>, patches@...-64.org,
	linux-kernel@...r.kernel.org,
	virtualization <virtualization@...ts.linux-foundation.org>,
	"Rusty Russell" <rusty@...tcorp.com.au>, "Andi Kleen" <ak@...e.de>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

On 5/9/07, Eric W. Biederman <ebiederm@...ssion.com> wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> We can look in /proc/ioports and see what has reserved
> the video resources.  That should give us a reasonable
> estimate of the video adapter.  We can do an ioctl to
> the console and see how many lines and columns we have.
>
> Reusing boot_params could be nice but if we have the information
> available in other ways digging it out that way is quite possibly
> better.

Another path:
LiuxBIOS+elfboot+payload, and payload is compressed elf
(vmlinux+initrd) via lzma.
and use kexec to boot final production kernel.
We don't need to use boot_params from the first tiny kernel.

YH
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