From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Guyader Subject: Re: [PATCH][VTD] fixed a timing issue on DELL calpella laptop while doing graphics pass-through Date: Fri, 4 Jun 2010 09:53:55 +0100 Message-ID: References: <987664A83D2D224EAE907B061CE93D530114C3D636@orsmsx505.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <987664A83D2D224EAE907B061CE93D530114C3D636@orsmsx505.amr.corp.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Kay, Allen M" Cc: "ian.pratt@eu.citrix.com" , "xen-devel@lists.xensource.com" , "Han, Weidong" , "jean.guyader@citrix.com" , "Ross.Philipson@citrix.com" List-Id: xen-devel@lists.xenproject.org On 4 June 2010 01:22, Kay, Allen M wrote: > Added additional sleep time between FLR and PCI config restore. > > > > Signed-off-by: Allen Kay > 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