linux-kernel - Re: [RFC PATCH 1/3] Replace paravirt_probe with "platform type" boot header field

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Date:	Fri, 04 May 2007 08:52:00 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Rusty Russell <rusty@...tcorp.com.au>, Andi Kleen <ak@...e.de>,
	Chris Wright <chrisw@...s-sol.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Zachary Amsden <zach@...are.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 1/3] Replace paravirt_probe with "platform type" boot
 header field

Eric W. Biederman wrote:
> 
> Unlikely.  Unless we expect that this offset will come in non-zero.
> 

You might have to worry about that.  Historically, the "zero-page" was
really just the setup code overwritten, and it's still true for a big
chunk of it.

One of the major changes in my setup code rewrite is to start out with
an all-zero chunk of memory for this.

	-hpa
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