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Re: [Qemu-devel] [PATCH] Remove hardcoded xen-platform device initializa

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] Remove hardcoded xen-platform device initialization
Date: Fri, 14 Jun 2013 09:52:36 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

Il 14/06/2013 04:50, Paul Durrant ha scritto:
>> > This patch is problematic because we can't know for sure the version of
>> > upstream QEMU that is going to be used with Xen.
>> > If we apply this patch and QEMU 1.5 is going to be used with Xen 4.2,
>> > guests won't be able to use PV drivers.
>> > 
> Is there not a compatibility matrix? The hardcoded init. is just blatantly 
> the wrong thing to be doing and it needs to go.
> Could my accompanying toolstack patch not be backported to the next 4.2 
> release as mitigation?

I think Ian is right.  You should revert the toolstack patch and not
apply this one for now.  Then aim at using "-M pc" in 4.4 (and require
1.6 or 1.7), so that there is no need for a compatibility matrix.


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