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Tsirkin" Cc: Stefano Garzarella , Jakub Kicinski , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Stefan Hajnoczi , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , Bryan Tan , Vishnu Dasa , Broadcom internal kernel review list , "David S. Miller" , virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v2 0/3] vsock: add namespace support to vhost-vsock Message-ID: References: <20250312-vsock-netns-v2-0-84bffa1aa97a@gmail.com> <20250321154922-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250321154922-mutt-send-email-mst@kernel.org> On Fri, Mar 21, 2025 at 03:49:38PM -0400, Michael S. Tsirkin wrote: > On Wed, Mar 12, 2025 at 01:59:34PM -0700, Bobby Eshleman wrote: > > Picking up Stefano's v1 [1], this series adds netns support to > > vhost-vsock. Unlike v1, this series does not address guest-to-host (g2h) > > namespaces, defering that for future implementation and discussion. > > > > Any vsock created with /dev/vhost-vsock is a global vsock, accessible > > from any namespace. Any vsock created with /dev/vhost-vsock-netns is a > > "scoped" vsock, accessible only to sockets in its namespace. If a global > > vsock or scoped vsock share the same CID, the scoped vsock takes > > precedence. > > > > If a socket in a namespace connects with a global vsock, the CID becomes > > unavailable to any VMM in that namespace when creating new vsocks. If > > disconnected, the CID becomes available again. > > > yea that's a sane way to do it. > Thanks! > Sgtm, thank you! Best, Bobby