From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8393617579; Thu, 3 Oct 2024 00:17:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727914630; cv=none; b=mRQAVNu8U+HjrYPsMPDTYnxPx7iyzz89Xl4F1aJIvkfwdRNBGhk49wbO8hC5N9VdAIaoZCs5rqkrE8PrBVEolcHwd6bMtQcO1AR0fFBc9jQEhqHTdYM+hgB0EyvQLoy1Y+YVUr40QzySpPqOpVGzhQtUfz6a02B8ulTtSaGhgaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727914630; c=relaxed/simple; bh=tWyRm8Lfa+rKaFfoZA2cLzbpCCMrkqGI33lmc8D7c20=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=SVv8MNizbeUIjzpBfu0CzFt5U/A9Y8Ori3v8yb5Z8UC2W/3y7/E8SGQ48lv5w5rJUtONkFBMBtyW1NC1XLq3AKSbymnRXOOTBu4nZgi0+Ux1rN6+cFO3o1ez2AiMkGCBPub+CSvQOsBSLE4VvVMuaemU00efK0+UPQJalI0imgY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I4upehMH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I4upehMH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 963C2C4CEC2; Thu, 3 Oct 2024 00:17:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727914630; bh=tWyRm8Lfa+rKaFfoZA2cLzbpCCMrkqGI33lmc8D7c20=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=I4upehMHvwfyxCLST9zMsz/vsgtgezf2qmeud5SfMeBoRUG5sW6Rnwzg+5P8SUtdn xDwQCtITBL4j/mbeQHJe83llLZjMLtr/Re2hpUtCAFQ1/c+dRR35iydsC7NPo0q6gT ZT+Zo16akYVqLboeQgTFpaL3Hvg+nZ63U+4Eeao7ZSK0851Rl6Z8R8b165GCTZFbCt n2RT/yVUQBgwab7X0pSqnax19o5GXxebnswYbA193yLXFiqazhF+n/JoVk9HfLbLr0 pnGeOxIZ2X5HkrSMr5P9Xs2PX27uWoiYd38H6OVL56wQA5KBTvVuXlMcVri9ARk1TN my8fhzgcoAPFg== Date: Wed, 2 Oct 2024 17:17:08 -0700 From: Jakub Kicinski To: yushengjin Cc: pablo@netfilter.org, kadlec@netfilter.org, roopa@nvidia.com, razor@blackwall.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, bridge@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, gouhao@uniontech.com Subject: Re: [PATCH v4] net/bridge: Optimizing read-write locks in ebtables.c Message-ID: <20241002171708.05f46286@kernel.org> In-Reply-To: References: Precedence: bulk X-Mailing-List: bridge@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 25 Sep 2024 16:37:45 +0800 yushengjin wrote: > When conducting WRK testing, the softirq of the system will be very high. > forwarding through a bridge, if the network load is too high, it may > cause abnormal load on the ebt_do_table of the kernel ebtable module, leading > to excessive soft interrupts and sometimes even directly causing CPU soft > lockup. FTR I'm leaving this one to netfliter folks. -- pw-bot: au