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Date: Fri, 04 May 2007 10:48:38 -0600 From: ebiederm@...ssion.com (Eric W. Biederman) To: "H. Peter Anvin" <hpa@...or.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 "H. Peter Anvin" <hpa@...or.com> writes: > 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. Well as long as we are in sync with setup.S we are fine. The issue is people generating the real-mode data from scratch, when using the 32bit entry point. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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