From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-138.mta0.migadu.com [91.218.175.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 633842FD7D3 for ; Thu, 13 Aug 2026 03:07:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.138 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786590475; cv=none; b=NCEmbWqijRZJ6xxP6kHj/8kizaD+yYwcIMGl2QYjohhFqpyWHx14hLLKSzpWcBSCtRGmfHWFY3IEPQPxLTqu9QhYy1qXMYJNwRt3dfuE/eFwr3Wy0TSgZFZaQMHSAJxv9lbHENNyiiq2QiaVJYbam/P0Iawu9plAHWqlGpQggOI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786590475; c=relaxed/simple; bh=lXnloeSbbqWuH3Qf3c89IHAlxgiJWBJWSJnssm6ktuU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jwOYREyvXDohKjEMoaf8iQ7jx7uS71BZM7V/FApZ68WLn5JU0+PgY5W7ne9VAVpXjf98RgF5zuFoa7WQCiDQyVjp4Ye26xD2NjzBjWEu2/n6xVsLyY7QZUUvMMih2hmpwyfMs/AIJpp0mmkj/Ky80FtzJukxqoj4XyoL3u6coj0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=nizKRrDG; arc=none smtp.client-ip=91.218.175.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="nizKRrDG" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=lXnloeSbbqWuH3Qf3c89IHAlxgiJWBJWSJnssm6ktuU=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1786590471; v=1; x=1787195271; b=nizKRrDG4UgWEYESwESoleiT4iM0bJ3hgc07Syk6WYcfhVt6ME7Aq70qvMLVKGdrl5vpvjsS eqQuInNkI7vTD8nIzbXQK6rzU1TG8iyulO8+BlNJ5LCMcYFJUHaUehmdR9W5LJpBfD6Sh0zsboz +JP4m74YDkZXFmw2UCbeYP5I= X-Envelope-To: linux-kernel@vger.kernel.org Received: from [10.54.25.56] (222.72.143.228) by smtp.migadu.com with ESMTPS id 34f956225baabe53; Thu, 13 Aug 2026 03:07:51 +0000 X-Migadu-Flow: FLOW_OUT Message-ID: <7a41da7b-62ba-4417-967b-cc4218ed1c17@linux.dev> Date: Thu, 13 Aug 2026 11:07:43 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next] net: core: avoid WARN_ONCE for stale RX queue mappings To: Jakub Kicinski Cc: Li Xiasong , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, yuehaibing@huawei.com, zhangchangzhong@huawei.com, weiyongjun1@huawei.com References: <20260810125029.1567742-1-lixiasong1@huawei.com> <156834bb-8e40-496e-9443-9d515fa18eab@linux.dev> <20260812190324.74c7330f@kernel.org> From: Jiayuan Chen In-Reply-To: <20260812190324.74c7330f@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 8/13/26 10:03 AM, Jakub Kicinski wrote: > On Tue, 11 Aug 2026 14:58:31 +0800 Jiayuan Chen wrote: >> I just run ethtool -L rx 2 on my host and got such message.. > Looks like veth fails to restamp the queues, tho, doesn't it? > If so it's not an accidental race, the drivers are buggy and should > be fixed.. Yes, you're right. My test only triggered a mismatch between veth's rx and tx queue counts, which is not a race condition, unlike the one this patch addresses.