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=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 3C4C4C433E0 for ; Sun, 14 Feb 2021 14:54:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F3D9D64E56 for ; Sun, 14 Feb 2021 14:54:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229792AbhBNOyl (ORCPT ); Sun, 14 Feb 2021 09:54:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229563AbhBNOyj (ORCPT ); Sun, 14 Feb 2021 09:54:39 -0500 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93B00C061574 for ; Sun, 14 Feb 2021 06:53:59 -0800 (PST) Received: by mail-pj1-x102c.google.com with SMTP id fa16so2261820pjb.1 for ; Sun, 14 Feb 2021 06:53:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=vw50znwU6REW59YMcJN+DgtH0CGqzi0DrUWq2GvV4dQ=; b=RAk+2B7b1fWhtDAoA8EF3LU0AeAUtXtsvOOdRORjDuVX7cGSeZ5jQhrsebmzFGmW4h eJ7eHugctRhuqR8us/bTBQdsIvMK0pl48PTmgWDgIek83hEJdl2NMysKz3601DiEf9Bm N4EMbVBHxzq/SzyTKys1aJB2pRoJ1LhTtuzVj22cJcAHCU2w7QV/EiY4lruFAf3rUD6d kzpABX+KQLvokHQpwwYrEsP0ctO9WN1ugUKabPtyKKD0Gl4zvdsYocc+PRXD3a6vIdZf FY664Atpkzt3EElzPZDeIGen2Qyy+hp7+PJSIuBKphEPJjQXiE+C5NvrmAavqz4rSi75 Iegw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=vw50znwU6REW59YMcJN+DgtH0CGqzi0DrUWq2GvV4dQ=; b=kzz1evK7MMDQU5EtswXOxulepFrWmh8MmE7yfh3ImJOH26R+jgYxQePLV06qHCRKfB 6yH5vVbaYMRmO7NKN/44LvFEWup28IT9gYTkoAIHuudoxVC6KQ7d/65hOGKDUpOBfX7O FqxAtAaxGMLusNIJQ2VDK/Y5rhYgyPSHNrYKRg+5A6b7zfliUvgwjOVJF+bWRniRAKN9 B9UM0maewLWvEQf3gMmW8Zq/T1r1NjjqZNcO/T/QSen94EJqCRgFCQ8yt3AZWNg1YeoE mryEzxmuOSYcLjj5cS6n6EkKbrNTw8WeRuS5k0QWA77ofelh+jAUCKyeIcPbY6C05L5p eEtA== X-Gm-Message-State: AOAM5300mqpePZMUxNBU53wIiJvV9sU+/yPTlW3u0BPIfIrVgsXtg57L fXGAqy6flGVF9/MfHQM6olQ= X-Google-Smtp-Source: ABdhPJwj6UxQQyGlu7pFqdkl1K5bKT9FfRVur7O4f6en7BAPG2PdBRfz6z8RsJp+jvVfhtUIgqIE5w== X-Received: by 2002:a17:902:c602:b029:e2:8422:ffbc with SMTP id r2-20020a170902c602b02900e28422ffbcmr11369732plr.78.1613314439091; Sun, 14 Feb 2021 06:53:59 -0800 (PST) Received: from [192.168.0.4] ([49.173.165.50]) by smtp.gmail.com with ESMTPSA id r5sm15069499pfh.13.2021.02.14.06.53.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 14 Feb 2021 06:53:58 -0800 (PST) Subject: Re: [PATCH net-next v2 3/7] mld: add a new delayed_work, mc_delrec_work To: Cong Wang Cc: David Miller , Jakub Kicinski , Linux Kernel Network Developers , jwi@linux.ibm.com, kgraul@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, Marek Lindner , sw@simonwunderlich.de, a@unstable.cc, sven@narfation.org, Hideaki YOSHIFUJI , dsahern@kernel.org, ap420073@gmail.com References: <20210213175148.28375-1-ap420073@gmail.com> From: Taehee Yoo Message-ID: <5bb93b2b-e59c-a7d6-b638-f12463b0bc04@gmail.com> Date: Sun, 14 Feb 2021 23:53:53 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > > By the way, if you do not use a delay, you can just use regular work. > The regular workqueue API couldn't be used in an atomic context, So I used delayed_work. If 0 delay is passed to delayed_work, it internally calls regular workqueue. So, I think there is no actual difference. Thanks!