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Re: [Xen-devel] Re: [PATCH] remove _PS0 from the DSDTo

To: Jason Kwon <jason.kwon@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] remove _PS0 from the DSDTo
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Fri, 18 Mar 2011 11:45:08 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, Jean Guyader <Jean.Guyader@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>
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References: <alpine.DEB.2.00.1102231405070.17894@kaball-desktop> <987664A83D2D224EAE907B061CE93D53019D874BA3@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <alpine.DEB.2.00.1102281115590.19277@kaball-desktop> <4D6BCFC4.9000805@xxxxxxxxxx> <alpine.DEB.2.00.1102281640160.2917@kaball-desktop> <4D82539B.9080708@xxxxxxxxxxxx> <alpine.DEB.2.00.1103171838540.3382@kaball-desktop> <4D825D15.5020107@xxxxxxxxxxxx> <alpine.DEB.2.00.1103171915150.3382@kaball-desktop> <4D827B6D.7070006@xxxxxxxxxxxx>
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On Thu, 17 Mar 2011, Jason Kwon wrote:
> Does this mean VF passthrough will not be supported for guests running 
> kernels older than 2.6.39 (or whichever kernel incorporates these 
> patches)?  I was happy with the hvmloader patch, in that it allowed me 
> to use VF passthrough with older kernels.
Unfortunately the hvmloader patch caused troubles when assigning PCI
devices to Windows guests.
I hope that after the two patches are applied to the 2.6.39 tree they'll
be backported to the stable trees as critical bug fixes.

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