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=1794605704; b=1EdZZwNQFvMS5Kdifw6RyJ7CvUOPjSU5GLIuSM7JxfohoNA2INRMUcsNCP+DSnBp0okY mWmBR3J00tYlc+AqJadVBUCJNq7ClI6/UXAlcYH02r2lehmAZsdb7XZfSRDm9jw9Wi88x S0+e1ejM62PUbCrplcSXdZ85iq3HVb4fh3/gSbWddyOf130HhQUJRN8V3fVk0Q8Wr+C4b DT8aGncxm9b4HfaMQ+yUQ15+Yb2axh5p5ubljTXkcFlDlLXDbU0P/W+vcipJ8xsFq06EG G8O9+CkazibVthyu7mB63waNFppfQJ28h8ZbF0bYKlTjzuw7i0rc2vi5zAkBYfL0IEg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794605704; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=U0prbtWZkGCz0Wz/ro1qP1+MPQ0O/VcplEKjhOl43iE=; b=qprTnCLMQ6PLi+jvlT97BnFeDD6EkMquVXRU2bpQU8vjqB+nqwIIvLIztwNYlVVLN6Vj wrUJd6cP+j0IcBllKiqQhpoJc5jYTx18kj164lGGaUjP8VNqJD7KX3jA1EuZF2dYZTAog Zg/9Rws2oT2/8/YsqCl/JtXT8dDqwjfWL7PIMXFPeX9+22ZWEJQnjm59T0dghiIgW+KCP yubehqtt+UwJQyr8aKe5oIrAowtJ4JFW5drwdPh9TOCfSO121msJRnK8gJCiXNHJwc84c 6177l5qXNEApNI/k0eSOq6Xn0vndZHo0FM1mNXVrHxmoXi9StuRG7nnfjZIbwwvGLfQ== 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=QdrW4y5V; 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 EDA97606A327 for ; Fri, 13 Nov 2026 21:35:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=QdrW4y5V Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97DF91F000C5; Fri, 13 Nov 2026 21:35:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794605703; bh=U0prbtWZkGCz0Wz/ro1qP1+MPQ0O/VcplEKjhOl43iE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=QdrW4y5VwQ4n5UVL5mVGLzUQQuGMeg6xREwFszLt8Vh/xOseJJuk5qPGbzSHOqKLw Pv1C2R/RS8gpCuTqR8V1MVOZLmr4mfcFDxsHKf/wiW2zsCtbWISDQN4tGjlQuUjaXF PARnLoa7who0CucqRiK36Emy1TUlxekUfyWsnMinAii8DkrEQF5iBuqVOgbYNzjGn6 Vk4E6U/A9BEvqtPIre4NMyMZs2ko+uow52km9lIXO0i7SO7qYMKvdTmDd7xjSixDB3 ezLgngaOCCYA0kDvpt7ygQhbAPBwXcTYJy+TfZCuQBMHegElv8YCSWQbBlP+5WMwhC RH09INuvmCkVg== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH net v6 2/2] selftests: net: add a vhost-net test for the tun NAPI queue bound Reply-To: sashiko-reviews@lists.linux.dev To: "Antonio Quartulli" Cc: virtualization@lists.linux.dev, "Michael S. Tsirkin" , "Eugenio Perez" In-Reply-To: <20261113212237.1742984-3-antonio@mandelbit.com> References: <20261113212237.1742984-1-antonio@mandelbit.com> <20261113212237.1742984-3-antonio@mandelbit.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Nov 2026 21:35:03 +0000 X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Feed a tap device with IFF_NAPI from vhost-net with netdev_max_backlog > set to 8, in the three ways vhost-net passes packets to tun: batches of > XDP buffers, single packets with MSG_MORE and zerocopy buffers. Check > that excess packets are dropped and counted, that the queue keeps > draining and that every buffer comes back. >=20 > The wrapper loads vhost_net and, if it can reload it, also runs the > zerocopy variant with experimental_zcopytx=3D1. >=20 > Signed-off-by: Antonio Quartulli Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261113212237.1742= 984-1-antonio@mandelbit.com?part=3D2