linux-kernel - Re: [BUG] x86 kenel won't boot under Virtual PC

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Date:	Mon, 8 Sep 2008 17:57:21 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux@...dersweb.net, linux-kernel@...r.kernel.org,
	the arch/x86 maintainers <x86@...nel.org>,
	Andi Kleen <andi-suse@...stfloor.org>
Subject: Re: [BUG] x86 kenel won't boot under Virtual PC

On Mon, Sep 08, 2008 at 08:50:46AM -0700, H. Peter Anvin wrote:
> Andi Kleen wrote:
> >>The help text is indeed out of date.  I did a patch yesterday to, among 
> >>other things, update it; I also want to verify that we are disabling all 
> >>options that can cause gcc or binutils to generate nopl's; I plan to 
> >>push it today.
> >
> >You (or whoever did those changes) likely broke a lot of distribution 
> >setups subtly then. Hopefully the changes were worth that.
> 
> Likely broke a lot of distribution setups how?

Previously they could set CPU x and it would still run on other CPUs
even if that option was not set. If that's not the case anymore then
they will have some unhappy users once they update their kernels.

-Andi
-- 
ak@...ux.intel.com
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