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=1793203923; b=R24XezsCYFMoz2M5REAmMourClEiGcjrVFlvIOEsgTDIXchfRdGGRlABscjWartzlnye 8CSaNhWTjUKAXeWwka2idrw4QGyK6tGVB44w+JB03/nW0Qx5eFxHd55D2PdA355mqaz1f qCXFYavaB9AVTUgCKB7+pOtqgtR9RXAtYf50AgtdPXYDda8bTRe1XMzGOcCgnJIU2/Vn8 9TlZeIMnUxBFbdmP12e092GKr55LbUL70lEIP1j9/1LenP7Ju5n/8VEFjSfWMMeNX6O0p qMWJ3TwGJvTZ8PxpZM+vo68yqsbPe763OUmA1HgXd7URS+f5Lt2xQVFQmA4XOW9KeLQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793203923; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=GPLY75xbvQfteqIkWugfas8ty8khlOP2EQ/uAUihMMs=; b=xdyI/bR7Y2zJ5wROlBi/IIjbPrAPs1118Quw1gydnpodYRdaaRYMtqt+oVBvzpA6Xuez E+DQkWFLFhcaq881sYSdh52h1upbm654/3Vsj+/yTuofasUQbqkiPmhR6kXn5hOb52nRG /czVawi1lf/Q1vjkW/C1AVF2MFbqd3UKOUy9yRWaN+5v1I64pzv36HoOelmj3+c9YiGcr jfB7ZZP7MH0kyWgaD32LfvoisSewHqF60xSMouyIC1GyXRxbjM1HPrw+43aFn4D9nuS7m AGcr6o3T1ebH4uAS6O+P/mlXTROTPMqNI47LS8oC2uxHsZ3okSIIQ26SxzHGlAvbGAQ== 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=Su3ToomQ; 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 51232606A31D for ; Wed, 28 Oct 2026 16:12:03 +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=Su3ToomQ Received: by smtp.kernel.org (Postfix) with ESMTPSA id C63161F01825; Wed, 28 Oct 2026 16:12:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793203923; bh=GPLY75xbvQfteqIkWugfas8ty8khlOP2EQ/uAUihMMs=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Su3ToomQndUbKaeh1Zls6s2839juscLdIuFzgnY/EZiu/CqYZvi1QDkv2J8MgUnkB 9fmE296AfWj5Ps4pRu873Y06zsCfabK0UBj8f05lfo3dFJCePpImsNLkNMSLCxZ19U YqlUMY4oBQ0Y7k4FOSO+QFcN2hVdoksmTMQCKR/ASVzEH88p7sQvrpan5tyPzEF4Hz VVonzqHPVswpGE2twKqkHrJvJvJfn2jY5NZUoUr2AA/PzVl38ciwuraGDCRYxLUSkL UoRXTN+Kn3aeoh6ZRSLf3jD7x7EtQX2aYRgYWc7N6fSqJrzMzigOUygOd1zc9GSF7T Cx//zMdg/O0zw== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH RFC 2/8] vsock: report datagram receive and send queue state Reply-To: sashiko-reviews@lists.linux.dev To: "Sergio Lopez" Cc: virtualization@lists.linux.dev, "Michael S. Tsirkin" , "Eugenio Perez" In-Reply-To: <20261028-vsock-dgram-support-v1-2-e457cf7cee78@sinrega.org> References: <20261028-vsock-dgram-support-v1-0-e457cf7cee78@sinrega.org> <20261028-vsock-dgram-support-v1-2-e457cf7cee78@sinrega.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 28 Oct 2026 16:12:02 +0000 X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Datagram receive queues hold whole messages, and transports may charge > queued datagrams to the socket send buffer. Report the size of the > next datagram payload for SIOCINQ under the receive-queue lock, so > concurrent recvmsg() cannot free the skb during the query. Let > transports override the length calculation to exclude headers such as > VMCI's. >=20 > Report datagram write readiness only while the send buffer has space. > Set the asynchronous no-space flag when it is full so freeing pending > send buffers can wake poll waiters. >=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/20261028-vsock-dgra= m-support-v1-0-e457cf7cee78@sinrega.org?part=3D2