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Tsirkin" To: Christoph Hellwig Subject: Re: [PATCH vfio 10/11] vfio/virtio: Expose admin commands over virtio device Message-ID: <20231011041155-mutt-send-email-mst@kernel.org> References: <20231010131031.GJ3952@nvidia.com> <20231010094756-mutt-send-email-mst@kernel.org> <20231010140849.GL3952@nvidia.com> <20231010105339-mutt-send-email-mst@kernel.org> <20231010111339-mutt-send-email-mst@kernel.org> <20231010155937.GN3952@nvidia.com> <20231011021454-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: kvm@vger.kernel.org, maorg@nvidia.com, virtualization@lists.linux-foundation.org, Jason Gunthorpe , jiri@nvidia.com, leonro@nvidia.com X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Tue, Oct 10, 2023 at 11:59:26PM -0700, Christoph Hellwig wrote: > On Wed, Oct 11, 2023 at 02:43:37AM -0400, Michael S. Tsirkin wrote: > > > Btw, what is that intel thing everyone is talking about? And why > > > would the virtio core support vendor specific behavior like that? > > > > It's not a thing it's Zhu Lingshan :) intel is just one of the vendors > > that implemented vdpa support and so Zhu Lingshan from intel is working > > on vdpa and has also proposed virtio spec extensions for migration. > > intel's driver is called ifcvf. vdpa composes all this stuff that is > > added to vfio in userspace, so it's a different approach. > > Well, so let's call it virtio live migration instead of intel. > > And please work all together in the virtio committee that you have > one way of communication between controlling and controlled functions. > If one extension does it one way and the other a different way that's > just creating a giant mess. Absolutely, this is exactly what I keep suggesting. Thanks for bringing this up, will help me drive the point home! -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization