Re: [Xen-devel] [PATCH][VTD] fixed a timing issue on DELL calpella laptop while doing graphics pass-through

[Jean Guyader <jean.guyader@xxxxxxxxxxxxx>]

On Fri, Jun 04, 2010 at 09:30:40PM +0100, Konrad Rzeszutek Wilk wrote:
> > 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,
> 
> Please send it to me as well so I can stick in the proper pv-ops tree.

Thanks Konrad.

Here is the patch for a 2.6.27 kernel.

pciback: Verify write when restoring the pci config space after FLR

Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxxxxx>

Attachment: pciback-verify-write-after-flr
Description: Text document

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