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

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Message-ID: <48C54839.8050304@zytor.com>
Date:	Mon, 08 Sep 2008 08:43:53 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	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

Andi Kleen wrote:
> On Mon, Sep 08, 2008 at 08:09:48AM -0700, Linus Torvalds wrote:
>> On Sun, 7 Sep 2008, H. Peter Anvin wrote:
>>> Under that logic we shouldn't even have CPU configurables, since you want it
>>> to "just work" whatever crap you're running on.  That is EXACTLY what
>>> CONFIG_X86_GENERIC means
>> I dunno.. Event he help-text doesn't actually agree with that:
> 
> The help text matches in how I wrote this option originally.
> The original use case was the 128 byte P4 cache lines.
> 

The help text is indeed out of date.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.

	-hpa
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