From patchwork Tue Nov 24 10:49:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 11927927 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17961C64E7B for ; Tue, 24 Nov 2020 10:53:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE19D208B8 for ; Tue, 24 Nov 2020 10:53:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732254AbgKXKxO (ORCPT ); Tue, 24 Nov 2020 05:53:14 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:7975 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731759AbgKXKxO (ORCPT ); Tue, 24 Nov 2020 05:53:14 -0500 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4CgLTN6t1Qzhd7x; Tue, 24 Nov 2020 18:52:56 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Tue, 24 Nov 2020 18:53:02 +0800 From: Yunsheng Lin To: , , , , , , , , , , , , , , , , CC: , , Subject: [PATCH net-next v3 0/2] Add an assert in napi_consume_skb() Date: Tue, 24 Nov 2020 18:49:27 +0800 Message-ID: <1606214969-97849-1-git-send-email-linyunsheng@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org This patch introduces a lockdep_assert_in_softirq() interface and uses it to assert the case when napi_consume_skb() is not called in the softirq context. Changelog: V3: add comment to emphasize the ambiguous semantics V2: Use lockdep instead of one-off Kconfig knob Yunsheng Lin (2): lockdep: Introduce in_softirq lockdep assert net: Use lockdep_assert_in_softirq() in napi_consume_skb() include/linux/lockdep.h | 8 ++++++++ net/core/skbuff.c | 2 ++ 2 files changed, 10 insertions(+)