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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Will Xen change the mapping after PCIe reset for the VT-d device?
On Wed, Oct 1, 2008 at 10:52 PM, Neo Jia <neojia@xxxxxxxxx> wrote: > Could you show me where the PCI manager in the Xen hypervisor? I do not know but I doubt if it is in there yet. Maybe someone better can ans this question. What I said was from simple SR-IOV specification. Thanks, > > Thanks, > Neo > > On Wed, Oct 1, 2008 at 12:53 AM, pradeep singh rautela > <rautelap@xxxxxxxxx> wrote: >> On Wed, Oct 1, 2008 at 12:33 PM, Neo Jia <neojia@xxxxxxxxx> wrote: >>> hi, >>> >>> After a secondary bus reset Xen will restore the PCI configure space >>> for the VT-d device, will the mapping still valid as we are using the >>> original BARs? >>> >>> Let's assume the guest device driver will not change the BARs as Xen >>> only save the register after guest shutdown/reset. >> >> Won't SR(MR) PCI Manager take care of this? ( provided it sits in the >> Xen hypervisor) >> >> Thanks, >> --Pradeep >>> >>> Thanks, >>> Neo >>> -- >>> I would remember that if researchers were not ambitious >>> probably today we haven't the technology we are using! >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> Xen-devel@xxxxxxxxxxxxxxxxxxx >>> http://lists.xensource.com/xen-devel >>> >> >> >> >> -- >> Pradeep Singh Rautela >> http://eagain.wordpress.com >> http://emptydomain.googlepages.com >> > > > > -- > I would remember that if researchers were not ambitious > probably today we haven't the technology we are using! > -- Pradeep Singh Rautela http://eagain.wordpress.com http://emptydomain.googlepages.com _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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