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=-5.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 123B5C388F9 for ; Sun, 8 Nov 2020 01:10:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B9AF620885 for ; Sun, 8 Nov 2020 01:10:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="Ew4nXuew" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728506AbgKHBKb (ORCPT ); Sat, 7 Nov 2020 20:10:31 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:2447 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725838AbgKHBKb (ORCPT ); Sat, 7 Nov 2020 20:10:31 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Sat, 07 Nov 2020 17:10:34 -0800 Received: from [10.2.62.222] (172.20.13.39) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Sun, 8 Nov 2020 01:10:29 +0000 Subject: Re: [PATCH] mm/gup_benchmark: GUP_BENCHMARK depends on DEBUG_FS To: Randy Dunlap , "Song Bao Hua (Barry Song)" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" CC: Linuxarm , Ralph Campbell , John Garry References: <20201104100552.20156-1-song.bao.hua@hisilicon.com> <9286e2d0e17a47a1874dc4a96d83a38f@hisilicon.com> <2c968615-587c-b978-7961-8391c70382b2@nvidia.com> <1c8b6d14-7d14-4bd6-0eac-c60fa98aec0b@infradead.org> From: John Hubbard Message-ID: <1269bf18-2b29-b380-3fd1-092534866c1d@nvidia.com> Date: Sat, 7 Nov 2020 17:10:29 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <1c8b6d14-7d14-4bd6-0eac-c60fa98aec0b@infradead.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [172.20.13.39] X-ClientProxiedBy: HQMAIL107.nvidia.com (172.20.187.13) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1604797834; bh=cz8PmIrnacq8HnNrXgr4efiH0i+u9qmb15T6lj4ZmiU=; h=Subject:To:CC:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Content-Language: Content-Transfer-Encoding:X-Originating-IP:X-ClientProxiedBy; b=Ew4nXuewQa7EhaPQBn3qHDLdhmvA6ZHB72mMbjh+mJOgboQHlWSO8II1ghOeEXpH7 6vSTPLiEKByEomyFaGgvrOGjzDR5WhMpjXTPqMPSiuAiMbHUIPpKyp0Pb4GkbZ86yb Hk2tZjOC6q9/JvODwxgY4durlIrzG16nk14kSE98qsL9tsI7t0uPHkkqci7J9ZKzKW idZ8sru/KeWfItnI+AdjD+TgEWxyQr+lEW7cNZXfoS8NhCQ4vcq71PlmrDNfTS2Y87 TiWESsJfEOx1WSUgAWUp9RFyqrQ4HxoN37UVSwYVlHHmVgaqzj+URihtMeKDp60zEK gYa5EZkNPp0Iw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/7/20 4:24 PM, Randy Dunlap wrote: > On 11/7/20 4:03 PM, John Hubbard wrote: >> On 11/7/20 2:20 PM, Randy Dunlap wrote: >>> On 11/7/20 11:16 AM, John Hubbard wrote: >>>> On 11/7/20 11:05 AM, Song Bao Hua (Barry Song) wrote: ... > OK, thanks, I see how you get that list now. > > JFTR, those are not 42 independent users of DEBUG_FS. There are lots of &&s > and a few ||s in that list. > You are right, and that means that I have to withdraw my earlier claim that "42 committers" made such a decision. > > xconfig shows this for DEBUG_FS: (13 selects for x86_64 allmodconfig) > ...maybe only 13 committers and dependency chain, then. :) thanks, -- John Hubbard NVIDIA