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Fri, 13 Nov 2026 13:34:09 -0800 (PST) Received: from localhost (2620:10d:c0a8:fe::f072) by mail.thefacebook.com (2620:10d:c0a9:6f::8fd4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.56; Fri, 13 Nov 2026 21:34:08 +0000 Date: Fri, 13 Nov 2026 13:34:07 -0800 From: Bobby Eshleman To: Stephen Hemminger CC: , David Ahern , Stefano Garzarella , Subject: Re: [PATCH RFC iproute2-next 2/2] ip: add "ip vsock" to move the guest vsock device to a netns Message-ID: References: <20261105-vsock-guest-ns-v1-0-b1c11b3b69c7@meta.com> <20261105-vsock-guest-ns-v1-2-b1c11b3b69c7@meta.com> <20261106102659.77f8ba56@stephen-xps.local> X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20261106102659.77f8ba56@stephen-xps.local> X-Authority-Analysis: v=2.4 cv=ZYiIpcVA c=1 sm=1 tr=0 ts=6af78251 cx=c_pps a=MfjaFnPeirRr97d5FC5oHw==:117 a=MfjaFnPeirRr97d5FC5oHw==:17 a=VEq9NWtHcDJz48dA:21 a=kj9zAlcOel0A:10 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=7x6HtfJdh03M6CCDgxCd:22 a=PAz_-FQ8hEVmOPYdF0yf:22 a=VabnemYjAAAA:8 a=CHgJ09IQ0WI7wAN8FdwA:9 a=CjuIK1q_8ugA:10 a=gKebqoRLp9LExxC7YDUY:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEzMDA4NiBTYWx0ZWRfX5Z5p0Euxs9l+ /bhvQMcF0Zg6ZK/uveYj+A6LBfv4ti7wKaJO5Pd+OGpB5j9Pzp3jsnX7wSJDS6zm54/zCiRM186 aoAWjkmdsp0Vfww0D54tQRzSltAcvskAxcmWnetl2LYaIMLmHc7y2hwYoUIVwT0Jmv2nFrjpCmG iQzStNW7KfomHy3Per7itCtAZ9nl2Dt+gSWPlosM7FQAL/p8c6/hrhBmHUjjc0cNyzP1SA4d3Q+ IgyIMCvgXRdV90XxDbrTxWbGSvmhLUKKphRe25/W+x1gvLqFVFh9xwjZkgDTVbp81tjgznsIy4v pcLDyCzD4CNECwcXZXTVVOVWX/t0a1d2e3A04cp8N1y9Rd1056IKbJqG9rwAOmPu7GOFmEIlIid Na0dq+mka1SxM7T37/FMkkd9gJyH+Wxf8tKr/FmJh+NWY6yw8LdM4wY6sYa9ZK/vKgRPD7yc6wW MAZUtvZvbGTliQYrw5g== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEzMDA4NiBTYWx0ZWRfX4TywDtri0zbc Wlm3dGExtVxp/vKlAOZKKdo98ypAA+9o3GudS8mb7sKZinI5d0M21nZ4DwRbAdG5ogIaEctcUO7 5mtfpmO+zWp/h/V6T9f7/r4V7egNc1U= X-Proofpoint-ORIG-GUID: YV-5JhPTdzAdUtJaZ2Bbc67y_UtXtXyH X-Proofpoint-GUID: YV-5JhPTdzAdUtJaZ2Bbc67y_UtXtXyH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-13_06,2026-11-11_03,2025-10-01_01 On Fri, Nov 06, 2026 at 10:26:59AM +0100, Stephen Hemminger wrote: > On Thu, 5 Nov 2026 11:30:36 -0800 > Bobby Eshleman wrote: > > > + * The guest's vsock device is not a netdev, so rtnetlink cannot move it. > > + * The "vsock" generic netlink family moves it with VSOCK_CMD_DEV_NETNS_SET > > + * and reports where it is with VSOCK_CMD_DEV_NETNS_GET. There is nothing to > > + * name in a request: the kernel serves it in the namespace of the socket it > > + * arrived on, so the destination is chosen by sending it from there, and the > > + * reported namespace is an nsid relative to the sender. > > + */ > > Please be more concise in comments, AI seems to think it gets paid by word. True, will definitely shrink this down. Best, Bobby