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Re: [Xen-devel] [PATCH][VTD] fixed a timing issue on DELL calpella lapt

To: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH][VTD] fixed a timing issue on DELL calpella laptop while doing graphics pass-through
From: Jean Guyader <jean.guyader@xxxxxxxxx>
Date: Fri, 4 Jun 2010 09:53:55 +0100
Cc: "ian.pratt@xxxxxxxxxxxxx" <ian.pratt@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Han, Weidong" <weidong.han@xxxxxxxxx>, "jean.guyader@xxxxxxxxxx" <jean.guyader@xxxxxxxxxx>, "Ross.Philipson@xxxxxxxxxx" <Ross.Philipson@xxxxxxxxxx>
Delivery-date: Fri, 04 Jun 2010 01:55:30 -0700
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On 4 June 2010 01:22, Kay, Allen M <allen.m.kay@xxxxxxxxx> wrote:
> Added additional sleep time between FLR and PCI config restore.
>
>
>
> Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx>
>

Yes, to take more time to do an FLR on those platform, but I don't think
this is a proper fix. The fix we have for that in our tree (XCI) is to make
sure the value we write when we restore the pci config space stick in
pciback.

I'll send the patch later today,
Jean

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