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

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Message-Id: <1177995014.28659.54.camel@localhost.localdomain>
Date:	Tue, 01 May 2007 14:50:14 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Jeff Garzik <jeff@...zik.org>, Andi Kleen <ak@...e.de>,
	patches@...-64.org, Vivek Goyal <vgoyal@...ibm.com>,
	linux-kernel@...r.kernel.org,
	virtualization <virtualization@...ts.linux-foundation.org>
Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for
	relocatable bzImage

On Mon, 2007-04-30 at 21:00 -0700, H. Peter Anvin wrote:
> H. Peter Anvin wrote:
> > Rusty Russell wrote:
> >> It'd be nicer if there were a "struct boot_params" declaration, but we
> >> can't have everything.
> > 
> > It's in my patchset-under-development.
> > 
> > (Preview snapshot:
> > http://userweb.kernel.org/~hpa/setup-snapshot-2007.04.30.patch)
> 
> Just pushed out a git tree:
> 
> http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-newsetup.git;a=summary

Any chance of splitting off a "struct boot_params" header (includable by
non-kernel code) for inclusion immediately?  The rest can wait until
2.6.23, but it'd be sweet to get this in place sooner.

BTW, wrt. a new "platform type" field, should it go something like this?

-0235/3	N/A	pad2		Unused
+0235/1	2.07+	platform_type	Runtime platform (see below)
+0236/2	N/A	pad2		Unused
...
+  platform_type:
+	For kernels which can boot on multiple platforms.  Currently
+	0 == native (normal), 1 == lguest (paravirtualized).

Thanks,
Rusty.


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