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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 414DBC63777 for ; Thu, 3 Dec 2020 09:19:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A5BE2217A0 for ; Thu, 3 Dec 2020 09:19:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5BE2217A0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 06D4C6B005D; Thu, 3 Dec 2020 04:19:17 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 01DD76B006C; Thu, 3 Dec 2020 04:19:16 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E76046B006E; Thu, 3 Dec 2020 04:19:16 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0049.hostedemail.com [216.40.44.49]) by kanga.kvack.org (Postfix) with ESMTP id D2ECA6B005D for ; Thu, 3 Dec 2020 04:19:16 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 8C7C7180AD807 for ; Thu, 3 Dec 2020 09:19:16 +0000 (UTC) X-FDA: 77551422312.19.rose43_3415df5273ba Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin19.hostedemail.com (Postfix) with ESMTP id 70A5A1AD1BA for ; Thu, 3 Dec 2020 09:19:16 +0000 (UTC) X-HE-Tag: rose43_3415df5273ba X-Filterd-Recvd-Size: 3396 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Thu, 3 Dec 2020 09:19:15 +0000 (UTC) Received: from zn.tnic (p200300ec2f0dc500e3882204d739572d.dip0.t-ipconnect.de [IPv6:2003:ec:2f0d:c500:e388:2204:d739:572d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id E21EE1EC0445; Thu, 3 Dec 2020 10:19:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1606987154; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=Wwv5G443TsDdbXBzoiZmkw5jQa4JBgiUS1Z73lJ+AgU=; b=cxiF//WXSd6Th8WQd2lMn4NUaCvLTtCeFfbHmK2GQibJsZUFu6rkvjwRcfRxwgFzeXKu3D +msowrzH4sfz20eFGyxBUnUYYPpLi7FxmZjsF/5WEHrzwIWSc8g9FMcOPULuldGQ1aWdhs 4UHAwqLZgyjEBFupmE8noZH3G8oLr/s= Date: Thu, 3 Dec 2020 10:19:10 +0100 From: Borislav Petkov To: Yu-cheng Yu Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu , Dave Hansen Subject: Re: [PATCH v15 06/26] x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW Message-ID: <20201203091910.GE3059@zn.tnic> References: <20201110162211.9207-1-yu-cheng.yu@intel.com> <20201110162211.9207-7-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20201110162211.9207-7-yu-cheng.yu@intel.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Nov 10, 2020 at 08:21:51AM -0800, Yu-cheng Yu wrote: > Before introducing _PAGE_COW for non-hardware memory management purposes in > the next patch, rename _PAGE_DIRTY to _PAGE_DIRTY_HW and _PAGE_BIT_DIRTY to > _PAGE_BIT_DIRTY_HW to make meanings more clear. There are no functional > changes from this patch. There's no guarantee for "next" or "this" patch when a patch gets applied so reword your commit message pls. Also, I fail to understand here what _PAGE_DIRTY_HW makes more clear? The page dirty bit is clear enough to me so why the churn? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette