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[209.132.180.67]) by mx.google.com with ESMTP id u5si2799602plq.207.2019.08.15.16.54.39; Thu, 15 Aug 2019 16:54:54 -0700 (PDT) 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=@google.com header.s=20161025 header.b=cPrbVHFE; 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; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387620AbfHOXFb (ORCPT + 99 others); Thu, 15 Aug 2019 19:05:31 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:37497 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729807AbfHOXFb (ORCPT ); Thu, 15 Aug 2019 19:05:31 -0400 Received: by mail-pg1-f194.google.com with SMTP id d1so1366722pgp.4 for ; Thu, 15 Aug 2019 16:05:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=cPt+lD53UMmWuKSJSUmfcWxGBTRSp/XxZ/GGdWGHTvg=; b=cPrbVHFEyHC+uvkIilU4GIY9SyYx/S0ZZtKFPQAt4vRxN/T5cNs5cO+Ihx54yxNs9y d5hpJS6osCY3OrNh3cPpLfWemfKgqQ6cXt2lKm286OHdPaAPus4hwQc31PT7QFQyJ/f4 TEZ6ekHrzcQ8HflG8Di+MA1uPRbKplWE/ZSg37dWv5AcLrB4HMXzVQ0VpAyfoLw+z+AV 610gol6FrJP7CHIZKxfiDv4GKmuTohad7BYwTOEZPRHc+pz36khtHygP/4uzoF/ZXfpL LZ0kCaH0bxBa+7ELQz29uwSzs+3PKATciJTbkYv3yk6GUDZs/Z6Yj5ew630EzyMdiuE1 3cRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cPt+lD53UMmWuKSJSUmfcWxGBTRSp/XxZ/GGdWGHTvg=; b=rYLRotBgPM4l23Ce2CNR19crSkjh/jHl4z6iQB9E60ZOMZVXoXGWbYtpluRXPEimug f8A1G7+wr1T70E4uX71Nz+NypiR0CLMOCdivOvE0Fi4CIHi8owOcKQjhFcGBGbsV14m4 sBoHVlqUzb+9Pex+f0rdW48NOurLMTmDsUqh72wc23xwNDXUNPSpc/f2RnhaTEFyWakN rwdpEAJ5NJ1hIFZG8FSEj3H/IVwORO7aLSOPuvTG4gSTZHSfHCuS6elXgy1de72xYGSm 8cs65kviA0DExAaJ5xFCg6wuuJVTvoy9uuvIxCOud5Q33qXU3O+NgI9PUTII5SekDr6T 1E6A== X-Gm-Message-State: APjAAAUdb/SmAh12piKso6c9EKpYD1GdqIg4a+kk21G/u3Y+Oyz9PY9z FTX4NPdh1EiB/W7pxWATv+R2oWVyJOtj+hs4Tpc6nQ== X-Received: by 2002:a63:61cd:: with SMTP id v196mr5358843pgb.263.1565910330216; Thu, 15 Aug 2019 16:05:30 -0700 (PDT) MIME-Version: 1.0 References: <20190815182029.197604-1-nhuck@google.com> <20190815204529.GA69414@archlinux-threadripper> In-Reply-To: From: Nick Desaulniers Date: Thu, 15 Aug 2019 16:05:19 -0700 Message-ID: Subject: Re: [PATCH] kbuild: Require W=1 for -Wimplicit-fallthrough with clang To: Miguel Ojeda Cc: Nathan Chancellor , Nathan Huckleberry , Masahiro Yamada , Michal Marek , Joe Perches , Linux Kbuild mailing list , linux-kernel , clang-built-linux 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 On Thu, Aug 15, 2019 at 3:59 PM Miguel Ojeda wrote: > > On Thu, Aug 15, 2019 at 10:45 PM Nathan Chancellor > wrote: > > * Revert commit bfd77145f35c ("Makefile: Convert -Wimplicit-fallthrough=3 > > to just -Wimplicit-fallthrough for clang") for the time being and just > > rely on adding -Wimplicit-fallthrough to KCFLAGS for testing. > > I would avoid applying commits that will have to be reverted just for > Clang, particularly since it is not fully supported yet. "not fully supported yet" you say? *drops monocle* https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/MAINTAINERS?h=v5.3-rc4#n4001 -- Thanks, ~Nick Desaulniers