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 42DBBC43460 for ; Mon, 26 Apr 2021 17:46:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 042E26105A for ; Mon, 26 Apr 2021 17:46:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236983AbhDZRrj (ORCPT ); Mon, 26 Apr 2021 13:47:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234754AbhDZRri (ORCPT ); Mon, 26 Apr 2021 13:47:38 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 566C4C061574; Mon, 26 Apr 2021 10:46:54 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id a22-20020a05600c2256b029014294520f18so1163094wmm.1; Mon, 26 Apr 2021 10:46:54 -0700 (PDT) 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=4XKAccquTkn2r9S6tK2dd4VsmZ5JwMPtXDxEVgO3+sU=; b=BVKc7Elf+DJwmd8DO+dUSUES1VeE5m6YInxlMRS46RgdxiEpEF5zQpB4636NUI2Gj3 iEhS5h0T0BFf1FyjI+oVe4z9l8C0xi9oANZBNkg4wHhVqeNnisv+DRCp6h5/v+nvNQqg iPD9IBcxrp0t4BSw+Vsx/c33RLo0qKLFgC3RAr9Wg0pWbuY3KYKnm9Z6GVwhFbXnLy1V d1gPd0YtxaDhmxudXE/6avEjdSd/aJ5dEF2mj9Wnxf0wjFKP9F1CNi30nquSqjsvBHLR zpjYavSaYHJs3nv61k01H4CQQTGre1fiNKPOJJGONiSUrkm3CdkzRrTOVX1K595n6sgH 1clQ== 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=4XKAccquTkn2r9S6tK2dd4VsmZ5JwMPtXDxEVgO3+sU=; b=VNUzc3iINib6aO2pSLN8260qekCqRLnrQMHUZgryMuHCbUsnNNn1rqyHCmL5A6rW8O 7h0c2Q+LWR91wsmwIdTog9LfsG7wTtEf6U2QRclFhdbcQDoOowcp2yNbmUmDf/Ydsa+h iEs5XP/uDVzTjXGiehSmf1+cluvXK+dPvgR8ol7BT4SSUZJL1fxdKCXdDf/JrvVPMROl PEeQWFckp4s1xEh85txrB1Q/RaV78DjfweX0BnRcAecm89+oHJrl8zS2O8+QSgo2zVQC V1uWpMA7nf5snntIRqhgfagGRwuv4a2afTWmeWBHe+oZqCO/aR1CM6tZgmH53Ciqfl0+ ak1w== X-Gm-Message-State: AOAM530hRyvuuTzS6V8IjcSNXq3/JbiBlvf3o1Ps0nT1Wo1OOB9YEXhi f/42CmKmh9Ozmbudug/FD8OrD/LaHYY= X-Google-Smtp-Source: ABdhPJyBTVMEkJVcz7ZsgiS7yXAcyiYnLgSQV4HKlQvUuplG6/YeQfRhYQb/dLRC2hGhs72gw1CxxA== X-Received: by 2002:a05:600c:40c4:: with SMTP id m4mr206472wmh.25.1619459212987; Mon, 26 Apr 2021 10:46:52 -0700 (PDT) Received: from [10.8.0.106] ([195.53.121.100]) by smtp.gmail.com with ESMTPSA id u8sm933072wrp.66.2021.04.26.10.46.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Apr 2021 10:46:52 -0700 (PDT) Subject: Re: [RFC] bpf.2: Use standard types and attributes To: Joseph Myers Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org, gcc-patches@gcc.gnu.org, libc-alpha@sourceware.org, linux-kernel@vger.kernel.org References: <20210423230609.13519-1-alx.manpages@gmail.com> From: "Alejandro Colomar (man-pages)" Message-ID: Date: Mon, 26 Apr 2021 19:46:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 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: linux-kernel@vger.kernel.org Hi Joseph, On 4/26/21 7:19 PM, Joseph Myers wrote: > On Sat, 24 Apr 2021, Alejandro Colomar via Libc-alpha wrote: > >> Some pages also document attributes, using GNU syntax >> '__attribute__((xxx))'. Update those to use the shorter and more >> portable C2x syntax, which hasn't been standardized yet, but is >> already implemented in GCC, and available through either --std=c2x >> or any of the --std=gnu... options. > > If you mention alignment in the manpage at all, the same reasoning would > say you should use _Alignas(8) not [[gnu::aligned(8)]], in any context > where _Alignas is valid. > Agree. I just didn't know 'alignas()' (a.k.a. '_Alignas()'), so I used attributes and only changed the syntax. But yes, we should use that C11 feature. Given that we already used 'noreturn' and not '_Noreturn' (see exit(3) and its family), I'll use 'alignas()'. I'll send a v2 with those changes. Thanks, Alex -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/