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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 0A845C2BA80 for ; Tue, 7 Apr 2020 18:45:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CAE4520730 for ; Tue, 7 Apr 2020 18:45:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RA82pSey" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726965AbgDGSpi (ORCPT ); Tue, 7 Apr 2020 14:45:38 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:33294 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726332AbgDGSph (ORCPT ); Tue, 7 Apr 2020 14:45:37 -0400 Received: by mail-ot1-f67.google.com with SMTP id 22so4263601otf.0; Tue, 07 Apr 2020 11:45:36 -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:user-agent; bh=gIwQXo30ZMAIkBOcVj8rGDbZtlax11guTXEso2ZEUsc=; b=RA82pSey4Yv0H/tle8kDxmXR1Vov50OhJn5NRQbpbw1I67v8xkwHPthpd4V10HbztQ Aw19NCLdMMIXdPYAThrTk+yRNTAt8tBNO8kYsYk19mqNveMh/U/ELa2zRJjehtIidXcw jPN1t1Gc6kz7F8T6uDLTKdf4zrQLCJ3sqeWWyN0vbZGaJWDRn4W5eyE5Ezbn9fXQQ3Gm TnbsV7wdykH4lXmT23nNjX1ymuHgmO2gQwEy8pPCw9hhnuCWFAKx6QxJG2O/Kb9Ce2J/ JceREjngPoabEWKMFQyPw0yHzC7iiLNox76+9P26cZsrAwgls69319SRaxyRW2hL2JYH qU2w== 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:user-agent; bh=gIwQXo30ZMAIkBOcVj8rGDbZtlax11guTXEso2ZEUsc=; b=SlGlQ+7YnCP73POLQhgoZPGJAlk01gOqxeV58LrnhnZKxSdwfo0I4zX31NyFkSr+bn AjdjodhS02h+3/kCvgXlILu2eGP5SdPe9sTi19X3ykEloKRzsReuni38fIFCdaEF/UHh /E2hSwL1+UnEl4cA8WPZSCEPVYPLpA+ZmvGdBk+h+zOXDixMuafG4KFjpmX7xxD1eMbh hjzC8BV0yLJC4y6gdtcoa5Z1h0WmBvdYQEYZT3VoeBE9/6+Y68llQA9c+x0Z00ufxoFn BqnYfiUn1vB1vPVdVI+LrNAoqym8/5raohDv5DVD/0Gq7/KoMUGoNc/RK+X6kUUacbj/ urww== X-Gm-Message-State: AGi0PuaQLDpoO0W8Pa0D0xQGY3tOZ5HAAxOThvzG3fTT4c8v9rYNOAMZ w09hOdUuYWP6ylR7WStBWag= X-Google-Smtp-Source: APiQypJdxahdG65tvuwC7Cm01mkk7QWp7VED5VN28r2S+3MBIbGJmdDYHkwOCW+U36ThYHo/KTaj1g== X-Received: by 2002:a05:6830:1348:: with SMTP id r8mr2688095otq.57.1586285135559; Tue, 07 Apr 2020 11:45:35 -0700 (PDT) Received: from ubuntu-s3-xlarge-x86 ([2604:1380:4111:8b00::3]) by smtp.gmail.com with ESMTPSA id k132sm5609593oih.9.2020.04.07.11.45.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 07 Apr 2020 11:45:35 -0700 (PDT) Date: Tue, 7 Apr 2020 11:45:33 -0700 From: Nathan Chancellor To: Masahiro Yamada Cc: linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com, Jonathan Corbet , Michal Marek , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] kbuild: replace AS=clang with LLVM_IA=1 Message-ID: <20200407184533.GA48427@ubuntu-s3-xlarge-x86> References: <20200407184336.14612-1-masahiroy@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200407184336.14612-1-masahiroy@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 08, 2020 at 03:43:35AM +0900, Masahiro Yamada wrote: > The 'AS' variable is unused for building the kernel. Only the remaining > usage is to turn on the integrated assembler. A boolean flag is a better > fit for this purpose. > > AS=clang was added for experts. So, I replaced it with LLVM_IA=1, > breaking the backward compatibility. > > Suggested-by: Nick Desaulniers > Signed-off-by: Masahiro Yamada Reviewed-by: Nathan Chancellor