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[209.132.180.67]) by mx.google.com with ESMTP id s1-v6si365134plr.503.2018.02.27.17.41.05; Tue, 27 Feb 2018 17:41:19 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=K80yPnz9; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751835AbeB1Bbt (ORCPT + 99 others); Tue, 27 Feb 2018 20:31:49 -0500 Received: from conssluserg-03.nifty.com ([210.131.2.82]:32142 "EHLO conssluserg-03.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751784AbeB1Bbq (ORCPT ); Tue, 27 Feb 2018 20:31:46 -0500 Received: from mail-vk0-f42.google.com (mail-vk0-f42.google.com [209.85.213.42]) (authenticated) by conssluserg-03.nifty.com with ESMTP id w1S1VdSn004987 for ; Wed, 28 Feb 2018 10:31:40 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com w1S1VdSn004987 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1519781500; bh=sjq8uaZvFHT3II3uW2VyOc35/ShvM5TNKEOqpOD6YdQ=; h=In-Reply-To:References:From:Date:Subject:To:Cc:From; b=K80yPnz94uI7Q8YVEkKNyAYjYiHvHgDPhZPZwj8xl1A3X831MVbKdieB8UmikwLmP TuXeXDU183oN2OCr30OsRpPXFyiABlvehM/Rx7oiqy2EEFQDRX2UABe6xxZh93Z9wr dVfKoGqVexi1vnBOBu5w6eQ7y598wvWacK6UguhTjjgKEoOHajkzs2DaBEseYQFmgG jZ/qVsnAVGvKnjR3GmCa4/j8+CxgJ7008MTQhV/WGDZBEfOAq1/3QifgneDhbsNGkw lKzpIq/3BOhv9QpTmu4evSYuUOmVyWu/8THbt7594td4AwPioH/bjQEmUbRsP259Of j+3rxQnofMNgw== X-Nifty-SrcIP: [209.85.213.42] Received: by mail-vk0-f42.google.com with SMTP id q7so520204vkh.3 for ; Tue, 27 Feb 2018 17:31:40 -0800 (PST) X-Gm-Message-State: APf1xPDPo4uaq0PYCZ3ObLKTpU2MkrE3Lx0be1l8g6sT+ntFx8B/I0+O aZWuOnG6vDGYlceYBXuLnM3W3yL9ms19ZYQkGM4= X-Received: by 10.31.33.68 with SMTP id h65mr11832661vkh.65.1519781499044; Tue, 27 Feb 2018 17:31:39 -0800 (PST) MIME-Version: 1.0 Received: by 10.176.32.138 with HTTP; Tue, 27 Feb 2018 17:30:58 -0800 (PST) In-Reply-To: <20180227223611.vglxasfco524cdy7@ltop.local> References: <20180227194828.GA29918@bombadil.infradead.org> <5a85a7cf-c59c-f338-2087-c9de799adbe8@infradead.org> <20180227223611.vglxasfco524cdy7@ltop.local> From: Masahiro Yamada Date: Wed, 28 Feb 2018 10:30:58 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] sparse doesn't support indirect_branch attribute To: Luc Van Oostenryck Cc: Linus Torvalds , Randy Dunlap , Matthew Wilcox , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2018-02-28 7:36 GMT+09:00 Luc Van Oostenryck : > On Tue, Feb 27, 2018 at 02:12:28PM -0800, Linus Torvalds wrote: >> On Tue, Feb 27, 2018 at 12:18 PM, Randy Dunlap wrote: >> > >> > I don't mind the patch, but I did send a patch for this attribute on Feb. 13, 2018, >> > to the sparse mailing list. >> >> I think the sparse plan is to just stop warning about unknown >> attributes, because it doesn't really help users (at most it's a note >> to a sparse developer). >> >> But sparse doesn't have the same regular releases the kernel has. Oh well. > > To compensate this, I sent a patch to use '-Wno-unknown-attribute' for kernel > builds. Masahiro Yamada has already taken it to the linux-kbuild tree. > I'm not sure if it's planned for the next -rc or for 4.17, though. > > -- Luc Van Oostenryck I am planning to send it in the next MW (i.e. v4.17-rc1) If you want me to send this earlier as fixes PR, please let me know. -- Best Regards Masahiro Yamada