From mboxrd@z Thu Jan 1 00:00:00 1970 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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,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 0ACBDC433F5 for ; Mon, 20 Sep 2021 18:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9DAB611ED for ; Mon, 20 Sep 2021 18:40:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382644AbhITSmM (ORCPT ); Mon, 20 Sep 2021 14:42:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:53128 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381640AbhITSjB (ORCPT ); Mon, 20 Sep 2021 14:39:01 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 24F7D63326; Mon, 20 Sep 2021 17:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632159020; bh=hjQw1FsWVyVIKSRoQkKjd5yOzPMsspegKkmUG41isls=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mzjdNEEToXcPB/NhuqOi152aAmdX0ItPO4MPvx8YElR9CikuD+pUG4/UfOuVXSWba +VYBu5sH8M9HZp6gpJbDdbVqsxe6iUJbw0zpraZlcyrx75l1eEFoevPU7a3Nqwqp/E KCYxIsz4d9893FBT1rWpiyNG31WSA0JqX4/g4CC4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eli Cohen , "David S. Miller" Subject: [PATCH 5.14 040/168] net/{mlx5|nfp|bnxt}: Remove unnecessary RTNL lock assert Date: Mon, 20 Sep 2021 18:42:58 +0200 Message-Id: <20210920163922.968661000@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163921.633181900@linuxfoundation.org> References: <20210920163921.633181900@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eli Cohen commit 7c3a0a018e672a9723a79b128227272562300055 upstream. Remove the assert from the callback priv lookup function since it does not require RTNL lock and is already protected by flow_indr_block_lock. This will avoid warnings from being emitted to dmesg if the driver registers its callback after an ingress qdisc was created for a netdevice. The warnings started after the following patch was merged: commit 74fc4f828769 ("net: Fix offloading indirect devices dependency on qdisc order creation") Signed-off-by: Eli Cohen Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 3 --- drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c | 3 --- drivers/net/ethernet/netronome/nfp/flower/offload.c | 3 --- 3 files changed, 9 deletions(-) --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -1870,9 +1870,6 @@ bnxt_tc_indr_block_cb_lookup(struct bnxt { struct bnxt_flower_indr_block_cb_priv *cb_priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &bp->tc_indr_block_list, list) if (cb_priv->tunnel_netdev == netdev) return cb_priv; --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c @@ -300,9 +300,6 @@ mlx5e_rep_indr_block_priv_lookup(struct { struct mlx5e_rep_indr_block_priv *cb_priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &rpriv->uplink_priv.tc_indr_block_priv_list, list) --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -1766,9 +1766,6 @@ nfp_flower_indr_block_cb_priv_lookup(str struct nfp_flower_indr_block_cb_priv *cb_priv; struct nfp_flower_priv *priv = app->priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &priv->indr_block_cb_priv, list) if (cb_priv->netdev == netdev) return cb_priv;