From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794575288; b=V1MCMUMKODaqqBEvtHYqXwzS5NMpjZv3B7mBh1hYCsQuJRPKu1hb+nkTF7hs0OO9OmdE Y445w0YrD7/Bsf2m1DnExx+tul7C8EQEw9/SUcQ3s+/FQFCQfY/Esc4B/ayoDAAdfr1yU DgmZ9ZOG6+9BEK1n3BYv2Rl7FUCjYYIwWLphyQWFhR04tj8FEyH1LEzdgB1mviXnn6LOb nRFD3rxx1MTPWmffbOATrum1pzoQUFU3wcUN5w82xJ+wxX++Id7HQceQEKpBoRw5KeOvD ybgnOOw3J8mE6p7iR81rL5enT/HOD9rsN7MP3OGmEkBUyHJ0/7FW74oXDMNAQBmNvDg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794575288; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=l+Oevkm40WhwJIy4qr+IyYY8C5l6MjjJGzsnPyxvGpE=; b=UYvIFCjVpXDPSxTRrOln9QzNVDazTSWbp6dFiRJODl4rAkgmpF6gqB5FDAtd6rONBleh 6maDu5wjOXuAshAHN8xRVKRuzlELlVVzj7+l4AIQrrH4/s/yYViYRpZEeIUukNTB2S9Bz IczoEdHXZoAoVILi+y+WqvUe7gJLZ4DdkV2Avuqzm5aNshvvWmOqaC1/HRLOm/Bc/ArUe BnWmJhwIS91Ns+JYVUQnTu5GGC8kCTn4pToUbaBpTXhfBSEoz8UtS7FqJ13+Ue0BqXpFW TRlxKkO+3qQWT1RXLDLjSBpptukBsEuypFEaKHv0o5UD4XKjBpo+gQH86D+OPYm8dpg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=XcQulqrk; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 18AA4606A327 for ; Fri, 13 Nov 2026 13:08:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=XcQulqrk Received: by smtp.kernel.org (Postfix) with ESMTPSA id 838041F000C4; Fri, 13 Nov 2026 13:08:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794575287; bh=l+Oevkm40WhwJIy4qr+IyYY8C5l6MjjJGzsnPyxvGpE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=XcQulqrkBlH+1t3TOknl2U7JGHAL/Y0OIx0RoU0FDnxuQBgSJL/BmZjZEG6xSso7N nhqxGKL8oSgEZTysJKbotLF3yVX3eDxJZK3XCoZwqwKWL+zHOI/OJwOTesyK6catfG MvdWrRVg3vV4Re9k+VzNahB5RzhrCJgHb1L3atLbXWxAVzPEtaS8kVaASY/UqqEJXc Af508QloFjCiS5ugAIJvp34FoxAP16DF9QIIAnBNpT30umjFstomION45v7VBRIUnK DfodLr05Xfv97Tv6rf0xF9EArxMlXPObcxX6LL9ubaAWTvwT0ol1Rb0pCGUk/px/WW Z9/rObX/+sLzw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC v2 4/8] vsock/virtio: negotiate datagram support on the guest Reply-To: sashiko-reviews@lists.linux.dev To: "Sergio Lopez" Cc: virtualization@lists.linux.dev, "Michael S. Tsirkin" , "Eugenio Perez" In-Reply-To: <20261113-vsock-dgram-support-v2-4-bacfc85b71ce@redhat.com> References: <20261113-vsock-dgram-support-v2-0-bacfc85b71ce@redhat.com> <20261113-vsock-dgram-support-v2-4-bacfc85b71ce@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Nov 2026 13:08:07 +0000 X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Advertise VIRTIO_VSOCK_F_DGRAM and record whether the device > negotiated it. Gate datagram socket initialization and destination > checks on the negotiated feature and the transport's supported network > namespace mode. >=20 > Perform device capability checks at socket creation without requiring > a remote address, which is not yet known for an unconnected datagram > socket. The common virtio implementation provides the datagram data > path. >=20 > Discard received datagrams when the device has not negotiated support, > including when a socket was initialized through another transport. > Reject packets addressed to a different CID using the full 64-bit wire > value before bound-socket lookup narrows it or matches a wildcard. >=20 > Signed-off-by: Sergio Lopez Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261113-vsock-dgra= m-support-v2-0-bacfc85b71ce@redhat.com?part=3D4