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Subject: Re: [virtio-comment] Re: [PATCH 09/11] transport-pci: Describe PCI MMR dev config registers
On Fri, Apr 14, 2023 at 03:51:01AM +0000, Parav Pandit wrote: > > > > From: Jason Wang <jasowang@redhat.com> > > Sent: Thursday, April 13, 2023 11:38 PM > > > > > 1) spec doesn't enforce the size of a specific structure > > > Spec will be extended in coming time. > > > > It's too late to do any new restriction without introducing a flag. > We are really diverging from the topic. > I donât think it is late. The work in this area of PCI VF has not even begun fully. I think Jason means that any new feature needs some kind of approach for compatibility, given a huge installed base, a flag day where all old drivers stop working on new devices does not look acceptable to him. -- MST
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