Received: by 2002:a05:6a10:9afc:0:0:0:0 with SMTP id t28csp1908528pxm; Fri, 4 Mar 2022 05:57:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJz9n5vVRPDs/Cq2Uq/L5i0GoV9o6Sflw3j2fB88bXH2jlwvuYA5NDJD0LMMxQ94/+qvTpUm X-Received: by 2002:a17:906:3083:b0:6da:83a7:e251 with SMTP id 3-20020a170906308300b006da83a7e251mr8152930ejv.103.1646402225413; Fri, 04 Mar 2022 05:57:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1646402225; cv=none; d=google.com; s=arc-20160816; b=rKYO4fcdVCwhtrzClpVuu4QwSZkwc1Js0m+n8Hws/YQ1LcpfpPxOd+8HRMoWiB1Ivd 0AmaXCmyk00i5rkEDgqSkEEdn+B9juiO+NHcltlWuOJJlCqssvWbvrzwxnaB10jRNh8+ NZJKgpSN1WJbu6rZDUjI9QjnBf/Uod2aoerx95Le/g7u4bdGZMluhRDIvNiosk06PGOi ju2XkiVjRBUO0z5FpWrUt1jHS0oFYsxBTKh63mcCJpZtFqjJaXUvogsXBIP734z+wJZN IF2g3DN7tHDbLsteVcB2eG2nEDP53GkzAZbA7D1wvXP9sYeAHgSidlQccISUwp1V2d2c vWgg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=WfR455UNDrRP+hPALu/Pk9TFHwa0z/nJY9vLabnbRPM=; b=Jony8Aq+SNc9yH9gfdpDZmJVL9ftSWO618U+URkFyi8Rd/phKRO/6pMJyyUnoINNsh MZEt2gwWg8S5D00CUcPmT/+3MXvWHsFDOrg5J6kQYCrVG6Y2OXghyksemviuRR/JLg4z DpQCMETM3sdmaEBtm37z6sbU7lWoI/4WPzq0dzkq7i2eqDAPn/oX8W6JoIbUp5JPrrCe cMEEYZ+Li+y0E7xEJd703vxZ7/Z9s/1hSoVIrQiaQftcHQYWiYlLtdG9usZSqzM9swPr U92vFbjVoHCfnbgq1W+aC9Z+pz0ud2FG29TCUU7VCluk/MMQ2HZ0j0bycS+zjgQ0Wp2M VdBA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id qw31-20020a1709066a1f00b006dac2523569si995915ejc.1004.2022.03.04.05.56.42; Fri, 04 Mar 2022 05:57:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235778AbiCDM0o (ORCPT + 99 others); Fri, 4 Mar 2022 07:26:44 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:41992 "EHLO mail.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233126AbiCDM0m (ORCPT ); Fri, 4 Mar 2022 07:26:42 -0500 Received: from localhost (cpc147930-brnt3-2-0-cust60.4-2.cable.virginm.net [86.15.196.61]) by mail.monkeyblade.net (Postfix) with ESMTPSA id 6057C841902D; Fri, 4 Mar 2022 04:25:52 -0800 (PST) Date: Fri, 04 Mar 2022 12:25:47 +0000 (GMT) Message-Id: <20220304.122547.1342402483120688005.davem@davemloft.net> To: dongli.zhang@oracle.com Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, kuba@kernel.org, rostedt@goodmis.org, mingo@redhat.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, imagedong@tencent.com, joao.m.martins@oracle.com, joe.jin@oracle.com, dsahern@gmail.com, edumazet@google.com Subject: Re: [PATCH net-next v5 0/4] tun/tap: use kfree_skb_reason() to trace dropped skb From: David Miller In-Reply-To: <20220304063307.1388-1-dongli.zhang@oracle.com> References: <20220304063307.1388-1-dongli.zhang@oracle.com> X-Mailer: Mew version 6.8 on Emacs 27.2 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (mail.monkeyblade.net [0.0.0.0]); Fri, 04 Mar 2022 04:25:56 -0800 (PST) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dongli Zhang Date: Thu, 3 Mar 2022 22:33:03 -0800 > The commit c504e5c2f964 ("net: skb: introduce kfree_skb_reason()") has > introduced the kfree_skb_reason() to help track the reason. > > The tun and tap are commonly used as virtio-net/vhost-net backend. This is to > use kfree_skb_reason() to trace the dropped skb for those two drivers. This patch series does not apply cleanly against net-next, plewase respin. Thank you.