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=1792614827; b=hqcofNyWN1uYpT8Gr/ZhuBD0MsYGx+gA0Z0bIGaMuXdZqZ5MtM7rwk9/UtRAxZzslRwz BGddB2Yn997Zuttge5UNFrNA1CyK8bdl5hmcHu3c5oe9XyhLfSbTSxrJjdoCDgxEhK6Br SQVRjv3JhLYYzTjzKDhoaQJOLDXeYwBy6bcxFyydSIoWiF8eHON2O+epNVLadlaAoNqWI qTp0bMI4xfSbqi+E6JDTpo1XCOeB+E5c5dlWMrGh+b4qWBdOL1tfDX5o/5KugzuEEd+TZ gbdmnCuxRHL7cJq2gy5jIzGfh6KUqH54ejvf45a2Ltq4/bGA4HMK1f36mx6DLdtty8w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792614827; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=DluZQQKZu2NAKH4Hu7D74hf+x8OtGDSfG/3odA2ccQQ=; b=JyY3EbNFVBl903l6rx1F4xby1iY6D5c9Dxt7daZW7YVJTSMekJOMtLdHi9leowGagS7H eZUb3LYpe+P/k/096tFyX3e/qz+XfRox6gPIA8iN/22G7db9agzihVEpLkE+FJgJSzr2d PIwRRli0LWqkYmOBpy6Wg1eFhTe1G2+wSgWD8Bpyj4sPmzbqdZcQK9pgJCD33oACRtUfu lGJBNnfs7yOndih9iN35ojhAB9LonDRZoMwdMYTCkzXC8vlo+EvdvZaF8fqq8RX3vwXPd wqhLBSJrR3GLuiUxDswcI3EdFMlT12CHrytNPnXSsH7peHKXCBO9Bl1NFwV5ebZlEzw== 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=DlDZYiAG; 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 B8C3C606A31A; Wed, 21 Oct 2026 20:33:46 +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=DlDZYiAG Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E5121F000C1; Wed, 21 Oct 2026 20:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792614826; bh=DluZQQKZu2NAKH4Hu7D74hf+x8OtGDSfG/3odA2ccQQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=DlDZYiAGFngETCjv71rJv+w03lnhQa6yO0w43vIp0K/MhLSZPpLUw59uQpTBLl0VP +tfx9lZetH67RAl7NVZcFWFz3WbRsGQSHpGZj0sMgOn+KQQFwoJCHhyQ5fNjpdlePq 74X2EukRAU63iGkU6Gc17totcU7zG8TTE/oTSkJb0VEkKTcpG7BcSL45LETsxPC+GN UDyV6ddXrojPkYjT93oPBe36Vdj111ivTFncvgotTy4btsa2eeoJqFNjwDO60NKGdR bIMGkPCKawzZpxD2OoUcPxTl+F0RiPeAdLDUOvcCwUwpj5t2SHeR2DA4axSDQL2y5S nAbrVm44mc0Jg== Date: Wed, 21 Oct 2026 13:33:45 -0700 From: Jakub Kicinski To: Qiliang Yuan Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] veth: set the real number of queues before registering the devices Message-ID: <20261021133345.3e9e72d7@kernel.org> In-Reply-To: <20261016-bug-veth-init-queues-before-register-v1-1-f48eb2bb25a0@gmail.com> References: <20261016-bug-veth-init-queues-before-register-v1-1-f48eb2bb25a0@gmail.com> X-Mailing-List: linux-kernel@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-Transfer-Encoding: 7bit On Fri, 16 Oct 2026 14:51:05 +0800 Qiliang Yuan wrote: > Since commit 9d3684c24a52 ("veth: create by default nr_possible_cpus > queues"), each veth device is allocated with one rx and one tx queue > per possible CPU, and veth_newlink() reduces the real number of queues > to one unless the user asked for a number. Please repost this after the merge window