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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 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 AA653C433E3 for ; Tue, 21 Jul 2020 01:51:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 89B1A2072E for ; Tue, 21 Jul 2020 01:51:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726890AbgGUBvS (ORCPT ); Mon, 20 Jul 2020 21:51:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:48658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726021AbgGUBvS (ORCPT ); Mon, 20 Jul 2020 21:51:18 -0400 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EF74D20658; Tue, 21 Jul 2020 01:51:16 +0000 (UTC) Date: Mon, 20 Jul 2020 21:51:15 -0400 From: Steven Rostedt To: "Ahmed S. Darwish" Cc: Peter Zijlstra , Ingo Molnar , Will Deacon , Thomas Gleixner , "Paul E. McKenney" , "Sebastian A. Siewior" , LKML , Jonathan Corbet , linux-doc@vger.kernel.org Subject: Re: [PATCH v4 01/24] Documentation: locking: Describe seqlock design and usage Message-ID: <20200720215115.4c5276db@oasis.local.home> In-Reply-To: <20200720214400.5ec6a028@oasis.local.home> References: <20200519214547.352050-1-a.darwish@linutronix.de> <20200720155530.1173732-1-a.darwish@linutronix.de> <20200720155530.1173732-2-a.darwish@linutronix.de> <20200720214400.5ec6a028@oasis.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 20 Jul 2020 21:44:00 -0400 Steven Rostedt wrote: > > - * This is not as cache friendly as brlock. Also, this may not work well > > - * for data that contains pointers, because any writer could > > - * invalidate a pointer that a reader was following. > > + * See Documentation/locking/seqlock.rst > > I absolutely hate it when I see this. > > I much rather have the documentation next to the code. Because > honestly, I trust that comments next to the code will get updated if > the code changes much more likely than comments buried in the > Documentation directory. > > It's also more likely that I wont even bother looking at the doc > (because I wont trust it to be up to date) and just read the code and > try to figure it out. Or look at how others have used it. Never mind, I see that kerneldoc is added in patch 5, which helps. -- Steve