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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 8C3EDC43461 for ; Thu, 10 Sep 2020 20:11:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5743220829 for ; Thu, 10 Sep 2020 20:11:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726741AbgIJULY (ORCPT ); Thu, 10 Sep 2020 16:11:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726662AbgIJUJH (ORCPT ); Thu, 10 Sep 2020 16:09:07 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3923EC061756 for ; Thu, 10 Sep 2020 13:09:07 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 5C18312A3707D; Thu, 10 Sep 2020 12:52:19 -0700 (PDT) Date: Thu, 10 Sep 2020 13:09:04 -0700 (PDT) Message-Id: <20200910.130904.152565664606570.davem@davemloft.net> To: kuba@kernel.org Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, kernel-team@fb.com Subject: Re: [PATCH net-next 0/3] netpoll: make sure napi_list is safe for RCU traversal From: David Miller In-Reply-To: <20200909173753.229124-1-kuba@kernel.org> References: <20200909173753.229124-1-kuba@kernel.org> X-Mailer: Mew version 6.8 on Emacs 27.1 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-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Thu, 10 Sep 2020 12:52:19 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jakub Kicinski Date: Wed, 9 Sep 2020 10:37:50 -0700 > This series is a follow-up to the fix in commit 96e97bc07e90 ("net: > disable netpoll on fresh napis"). To avoid any latent race conditions > convert dev->napi_list to a proper RCU list. We need minor restructuring > because it looks like netif_napi_del() used to be idempotent, and > it may be quite hard to track down everyone who depends on that. Series applied, thanks Jakub.