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=-4.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 2E4CAC43461 for ; Tue, 4 May 2021 02:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00A4C61168 for ; Tue, 4 May 2021 02:14:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229499AbhEDCPA (ORCPT ); Mon, 3 May 2021 22:15:00 -0400 Received: from conssluserg-04.nifty.com ([210.131.2.83]:41841 "EHLO conssluserg-04.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229693AbhEDCO7 (ORCPT ); Mon, 3 May 2021 22:14:59 -0400 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) (authenticated) by conssluserg-04.nifty.com with ESMTP id 1442Ddm3026036; Tue, 4 May 2021 11:13:40 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-04.nifty.com 1442Ddm3026036 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1620094420; bh=Flpk8WY3fI6JRVmVx74VCPIcuW76pW3yvcKLrKEQfcI=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=RcPTKSEZuzsHuullksFe1HmFYdJqmuQDvmRuMVscMUnbTGD1IAHfFUx7dg5iV8m8S JVq+4OeY8GmRwgM90uoiXxUQ8GBU6DS/UE7YNkMpCRhQjemtdM4gmVoWnXnKkMsZ6P wNzX+lqAga+GQCDJEkaLa0RsqmlOeV3Hv1gGqW3xwLbgXdat/s+21f6w35/UYErAzg eYPRP+7AosJUwZ/dFtrG0VhYQzao1oonlLYcj98QF0Z/lCQfak8N8Dj6/pM0Hyk1Rm 0dH6xOgeIDzXhHXf/pxV1d72yKjZLx4ffhCHSdxGwxklgz893YkuvQdstcmBJwRsxN 0RDuMm6MsEa/Q== X-Nifty-SrcIP: [209.85.215.178] Received: by mail-pg1-f178.google.com with SMTP id m37so5336661pgb.8; Mon, 03 May 2021 19:13:40 -0700 (PDT) X-Gm-Message-State: AOAM533WjKcCD2h0juyeAku81YcMg25NZe5V3yJ2z4UrhUyJeQWXVbdt 2uWke3Q4JS3wAL8bFYzCw27r1xiGI0n05PZjyBw= X-Google-Smtp-Source: ABdhPJzeIVApSQix0BuMNREdE8BGMBMEs/IGqBZW9NLCxeXtWVZOIBXs6zvGuxchr2x095EnqC+MdArD+HY3m1+ob/s= X-Received: by 2002:a63:e044:: with SMTP id n4mr21297348pgj.47.1620094419287; Mon, 03 May 2021 19:13:39 -0700 (PDT) MIME-Version: 1.0 References: <20210501151538.145449-1-masahiroy@kernel.org> <8b5f1d57-1357-affd-565f-f4826f3ecbdf@csgroup.eu> In-Reply-To: <8b5f1d57-1357-affd-565f-f4826f3ecbdf@csgroup.eu> From: Masahiro Yamada Date: Tue, 4 May 2021 11:13:01 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 To: Christophe Leroy Cc: Linux Kernel Mailing List , Linus Torvalds , Albert Ou , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , "open list:DOCUMENTATION" , linuxppc-dev , Palmer Dabbelt , Paul Walmsley , Catalin Marinas , Miguel Ojeda , Paul Mackerras , "open list:SIFIVE DRIVERS" , Will Deacon , linux-arm-kernel Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 3, 2021 at 3:17 PM Christophe Leroy wrote: > > > > Le 01/05/2021 =C3=A0 17:15, Masahiro Yamada a =C3=A9crit : > > The current minimum GCC version is 4.9 except ARCH=3Darm64 requiring > > GCC 5.1. > > > > When we discussed last time, we agreed to raise the minimum GCC version > > to 5.1 globally. [1] > > > > I'd like to propose GCC 5.2 to clean up arch/powerpc/Kconfig as well. > > One point I missed when I saw your patch first time, but I realised durin= g the discussion: > > Up to 4.9, GCC was numbered with 3 digits, we had 4.8.0, 4.8.1, ... 4.8.5= , 4.9.0, 4.9.1, .... 4.9.4 > > Then starting at 5, GCC switched to a 2 digits scheme, with 5.0, 5.1, 5.2= , ... 5.5 > > So, that is not GCC 5.1 or 5.2 that you should target, but only GCC 5. > Then it is up to the user to use the latest available version of GCC 5, w= hich is 5.5 at the time > begin, just like the user would have selected 4.9.4 when 4.9 was the mini= mum GCC version. > > Christophe One line below in Documentation/process/changes.rst, I see Clang/LLVM (optional) 10.0.1 clang --version Clang 10.0.1 is a bug fix release of Clang 10 I do not think GCC 5.2 is strange when we want to exclude the initial release of GCC 5. --=20 Best Regards Masahiro Yamada 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=-4.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 02B41C433ED for ; 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charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Albert Ou , Catalin Marinas , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , "open list:DOCUMENTATION" , Linux Kernel Mailing List , linuxppc-dev , Will Deacon , Palmer Dabbelt , Paul Walmsley , Miguel Ojeda , Paul Mackerras , "open list:SIFIVE DRIVERS" , Linus Torvalds , linux-arm-kernel Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, May 3, 2021 at 3:17 PM Christophe Leroy wrote: > > > > Le 01/05/2021 =C3=A0 17:15, Masahiro Yamada a =C3=A9crit : > > The current minimum GCC version is 4.9 except ARCH=3Darm64 requiring > > GCC 5.1. > > > > When we discussed last time, we agreed to raise the minimum GCC version > > to 5.1 globally. [1] > > > > I'd like to propose GCC 5.2 to clean up arch/powerpc/Kconfig as well. > > One point I missed when I saw your patch first time, but I realised durin= g the discussion: > > Up to 4.9, GCC was numbered with 3 digits, we had 4.8.0, 4.8.1, ... 4.8.5= , 4.9.0, 4.9.1, .... 4.9.4 > > Then starting at 5, GCC switched to a 2 digits scheme, with 5.0, 5.1, 5.2= , ... 5.5 > > So, that is not GCC 5.1 or 5.2 that you should target, but only GCC 5. > Then it is up to the user to use the latest available version of GCC 5, w= hich is 5.5 at the time > begin, just like the user would have selected 4.9.4 when 4.9 was the mini= mum GCC version. > > Christophe One line below in Documentation/process/changes.rst, I see Clang/LLVM (optional) 10.0.1 clang --version Clang 10.0.1 is a bug fix release of Clang 10 I do not think GCC 5.2 is strange when we want to exclude the initial release of GCC 5. --=20 Best Regards Masahiro Yamada 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=-4.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 C320AC433B4 for ; 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