linux-kernel - Re: Boot failures on Qemu due to P6

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Message-ID: <20080821160746.GA21967@torres.zugschlus.de>
Date:	Thu, 21 Aug 2008 18:07:46 +0200
From:	Marc Haber <mh+linux-kernel@...schlus.de>
To:	linux-kernel@...r.kernel.org
Subject: Re: Boot failures on Qemu due to P6_NOPS

On Mon, Jul 07, 2008 at 11:01:58AM -0700, H. Peter Anvin wrote:
> It is a Qemu bug.  Microsoft Virtual Server 2005 have it too.
> 
> One *major* problems with virtualizers is that they uniformly use an 
> existing CPU identifier, even though they might have their own sets of 
> bugs.  This makes it much harder to work around bugs in them.

But it would be possible to have kernel command line options to enable
the workarounds. Having this would be great to enhance Linux'
compatibility.

For people who are uniformly using Microsoft, Linux not running on
Virtual Server is a Linux problem, and they're going to ditch Linux if
it doesn't run there.

Greetings
Marc

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