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=-2.7 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,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 22759C433ED for ; Tue, 20 Apr 2021 19:38:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3AD8613AE for ; Tue, 20 Apr 2021 19:38:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233675AbhDTTjW (ORCPT ); Tue, 20 Apr 2021 15:39:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233619AbhDTTjU (ORCPT ); Tue, 20 Apr 2021 15:39:20 -0400 Received: from mail-qt1-x82f.google.com (mail-qt1-x82f.google.com [IPv6:2607:f8b0:4864:20::82f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38A1BC06174A; Tue, 20 Apr 2021 12:38:48 -0700 (PDT) Received: by mail-qt1-x82f.google.com with SMTP id q4so1207251qtn.5; Tue, 20 Apr 2021 12:38:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=VnARtP+uP1DchxUYKI/5VcNMJQIOlS/yRqSiMEZtvXs=; b=gwBN8QKDOZbIX5Xw/3NQFidpiuNssHneim4IycyV9/mPUC0tGy93UFvFItssSptJBZ mBGiskvSZCxJjPMKtaFLexvc+XIcy/5VuzA1GeyQE9KFNOH6fBEQe9YhlscprGOh7XeD YJwy7GnzZIUQ66LFgPKwywVwVsEaYiqnoDwRHX6aSEj1mKKN88aGUPYIz8q9YxhENuOx 24z+FTyq0SrHfUd0Dyq9NujbrYKxXPZiBIIe/9f5/ectNRSKebjD56UZVSKlFt/OMERG +adsY7QVWKTjYaaQYSgNyHU/bzlO7+Me7zqpo0k8m+ZBS18UJlQBkDWmdFoywcC+Tigj PPPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=VnARtP+uP1DchxUYKI/5VcNMJQIOlS/yRqSiMEZtvXs=; b=KrequED5RjvGOhhg4S6056pPofX6oGWeK3xDFaAPg15PGxpvzv8HNlZeWWGgT6TkX/ cZB2Mr4wBKeB1P0nH1YLYTHfQMRnboSAYga1Ot40fyZA5T5HCIF/XnWfDIotxdfw+aiL 8O6oFVX4YgsECHmbTbUlJYlHil9rrSDpH6CMLAgAQ8bouSX0H7hs4I3CzP/0YZvF3IkR w8DCU2bNAjzYrYIUX66AxvBlU9JuA1oW6Ag2gp4bejg6fbne+95Djk0Pef2M8W9UQp2z 65FCAj3Zzlj0RtrjR60uPKJJO56LZkFMtmg9dzAaZbrnxkbdbork4rTksmFAP6BCRUOD K3bQ== X-Gm-Message-State: AOAM533+UwCem6+jQcB8oc+DWyf/xEj6TIB4IOXhLg9Hw1RFCYom2CTL 88xAbAmtYWKCPIFRDrAiUvR0BfKzFc4= X-Google-Smtp-Source: ABdhPJy7CkrW8SNRn4LAWJ2HO6RCjd9DHJZesyG6EfmDwFWVOF96advIZN4W2gll4lWBWphHWJ8ELA== X-Received: by 2002:ac8:78b:: with SMTP id l11mr9571993qth.321.1618947527395; Tue, 20 Apr 2021 12:38:47 -0700 (PDT) Received: from localhost ([207.98.216.60]) by smtp.gmail.com with ESMTPSA id j9sm1117853qtl.12.2021.04.20.12.38.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Apr 2021 12:38:47 -0700 (PDT) Date: Tue, 20 Apr 2021 12:38:46 -0700 From: Yury Norov To: Andy Shevchenko Cc: linux-kernel@vger.kernel.org, rcu@vger.kernel.org, linux-doc@vger.kernel.org, Andrew Morton , "Paul E. McKenney" , Joel Fernandes , Jonathan Corbet , Lai Jiangshan , Mathieu Desnoyers , Palmer Dabbelt , Paul Gortmaker , Randy Dunlap , Rasmus Villemoes , Steven Rostedt Subject: Re: [PATCH 2/2] rcu/tree_plugin: don't handle the case of 'all' CPU range Message-ID: <20210420193846.GB61766@yury-ThinkPad> References: <20210420000131.21038-1-yury.norov@gmail.com> <20210420000131.21038-3-yury.norov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, Apr 20, 2021 at 01:18:40PM +0300, Andy Shevchenko wrote: > On Mon, Apr 19, 2021 at 05:01:31PM -0700, Yury Norov wrote: > > The 'all' semantics is now supported by the bitmap_parselist() so we can > > drop supporting it as a special case in RCU code. This patch does not > > add any functional changes for existing users. > > > - if (!strcasecmp(str, "all")) /* legacy: use "0-N" instead */ > > Perhaps move comment as well to new location. I actually wanted to remove this comment. The reason is that 'all' is verbose, clear and proven to be useful for at least RCU. In v2 I'll mention it explicitly in commit comment.