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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 69FA0C433B4 for ; Sun, 2 May 2021 22:31:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4670C6120E for ; Sun, 2 May 2021 22:31:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232421AbhEBWcY (ORCPT ); Sun, 2 May 2021 18:32:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232372AbhEBWcW (ORCPT ); Sun, 2 May 2021 18:32:22 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5A5DC06174A; Sun, 2 May 2021 15:31:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sxg9T1l2P1TCAt0KGvVd11DgxmUSs0be5EJPC9/f71E=; b=udzO03mH7WI7B+E+YTdUOwtAf1 pjHtqAcqFvgk6A/VPnylKxmrsD2lIsft1hfQrFKrFeNBtjNS6w+ZE+mHiu5d5gHPflr/5ZEY0rMY3 j/Vp83jF/iLnG6XdNPzIyF+mF5/lYl4l1cbzzG1WNvagPbMrY6WOJxtjqyegDj+NUVKUcLudh1Jxj aIs6ARBcGAieZGWtA+1xInBrNjRM1WzTAXphw3z434iaMpsXozUAAxgXsgOVhK/ROYowwzYtHNMjt qTvAIs7sHWprczN8zI56TNESOK3PApv5dUV0ZiJ8bjyK89wcLViH+1YjrBh3jVl2hZIW2BIswvKuA GSIUL4Rg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbH-00EKpr-87; Sun, 02 May 2021 22:30:19 +0000 Date: Sun, 2 May 2021 23:30:07 +0100 From: Matthew Wilcox To: Linus Torvalds Cc: Segher Boessenkool , Joe Perches , Miguel Ojeda , Masahiro Yamada , Albert Ou , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , Linux Doc Mailing List , linux-kernel , Palmer Dabbelt , Paul Walmsley , Catalin Marinas , Miguel Ojeda , Paul Mackerras , linux-riscv@lists.infradead.org, linuxppc-dev , Will Deacon , Linux ARM Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 Message-ID: <20210502223007.GZ1847222@casper.infradead.org> References: <20210501151538.145449-1-masahiroy@kernel.org> <3943bc020f6227c8801907317fc113aa13ad4bad.camel@perches.com> <20210502183030.GF10366@gate.crashing.org> <81a926a3bdb70debe3ae2b13655ea8d249fb9991.camel@perches.com> <20210502203253.GH10366@gate.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 02, 2021 at 02:08:31PM -0700, Linus Torvalds wrote: > What is relevant is what version of gcc various distributions actually > have reasonably easily available, and how old and relevant the > distributions are. We did decide that (just as an example) RHEL 7 was > too old to worry about when we updated the gcc version requirement > last time. > > Last year, Arnd and Kirill (maybe others were involved too) made a > list of distros and older gcc versions. But I don't think anybody > actually _maintains_ such a list. It would be perhaps interesting to > have some way to check what compiler versions are being offered by > different distros. fwiw, Debian 9 aka Stretch released June 2017 had gcc 6.3 Debian 10 aka Buster released June 2019 had gcc 7.4 *and* 8.3. Debian 8 aka Jessie had gcc-4.8.4 and gcc-4.9.2. So do we care about people who haven't bothered to upgrade userspace since 2017? If so, we can't go past 4.9. 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=-4.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 270A9C433ED for ; Sun, 2 May 2021 22:32:54 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 69FDC61244 for ; Sun, 2 May 2021 22:32:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 69FDC61244 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=thDVam/qpRN2Ny7IqTILqOvV77+OUDgwGxZR7DLjM68=; b=eocPCPzhXXRFiUPC3ESP1zEhy ArVXQ4I0iQoxExnxQR7GMkFjx4HQ6B7gTNiXwZ2Y9j30wO8fLCSRbgUkKQRBSy7gzy0eZ8AKTJMNm MzSQI/2lguC3bqrZI3MXTS+dQn4ma5JJJCmH18Gdxoae2VkmQ6sS/91ZXfwHMPkVyTeoYjyAr3C7R ZJwNmJZiFFEneBEpIy6QVHcU+JLcFOFtrUOdeBIcg1bziXpVzYvFEQC+XJzTO58Iploqsnz7br9R4 7mJZ/EldyKVoH0cNAj7q2LqlFPVnwx1lSsRAVMnurdcbTgxhgMFgWBgE1GehXwsk/qn7tlgLqVwk/ Poc45KdeQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1ldKcP-00CcoF-Jd; Sun, 02 May 2021 22:31:38 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbs-00Ccmn-7z; Sun, 02 May 2021 22:30:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sxg9T1l2P1TCAt0KGvVd11DgxmUSs0be5EJPC9/f71E=; b=udzO03mH7WI7B+E+YTdUOwtAf1 pjHtqAcqFvgk6A/VPnylKxmrsD2lIsft1hfQrFKrFeNBtjNS6w+ZE+mHiu5d5gHPflr/5ZEY0rMY3 j/Vp83jF/iLnG6XdNPzIyF+mF5/lYl4l1cbzzG1WNvagPbMrY6WOJxtjqyegDj+NUVKUcLudh1Jxj aIs6ARBcGAieZGWtA+1xInBrNjRM1WzTAXphw3z434iaMpsXozUAAxgXsgOVhK/ROYowwzYtHNMjt qTvAIs7sHWprczN8zI56TNESOK3PApv5dUV0ZiJ8bjyK89wcLViH+1YjrBh3jVl2hZIW2BIswvKuA GSIUL4Rg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbH-00EKpr-87; Sun, 02 May 2021 22:30:19 +0000 Date: Sun, 2 May 2021 23:30:07 +0100 From: Matthew Wilcox To: Linus Torvalds Cc: Segher Boessenkool , Joe Perches , Miguel Ojeda , Masahiro Yamada , Albert Ou , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , Linux Doc Mailing List , linux-kernel , Palmer Dabbelt , Paul Walmsley , Catalin Marinas , Miguel Ojeda , Paul Mackerras , linux-riscv@lists.infradead.org, linuxppc-dev , Will Deacon , Linux ARM Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 Message-ID: <20210502223007.GZ1847222@casper.infradead.org> References: <20210501151538.145449-1-masahiroy@kernel.org> <3943bc020f6227c8801907317fc113aa13ad4bad.camel@perches.com> <20210502183030.GF10366@gate.crashing.org> <81a926a3bdb70debe3ae2b13655ea8d249fb9991.camel@perches.com> <20210502203253.GH10366@gate.crashing.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Sun, May 02, 2021 at 02:08:31PM -0700, Linus Torvalds wrote: > What is relevant is what version of gcc various distributions actually > have reasonably easily available, and how old and relevant the > distributions are. We did decide that (just as an example) RHEL 7 was > too old to worry about when we updated the gcc version requirement > last time. > > Last year, Arnd and Kirill (maybe others were involved too) made a > list of distros and older gcc versions. But I don't think anybody > actually _maintains_ such a list. It would be perhaps interesting to > have some way to check what compiler versions are being offered by > different distros. fwiw, Debian 9 aka Stretch released June 2017 had gcc 6.3 Debian 10 aka Buster released June 2019 had gcc 7.4 *and* 8.3. Debian 8 aka Jessie had gcc-4.8.4 and gcc-4.9.2. So do we care about people who haven't bothered to upgrade userspace since 2017? If so, we can't go past 4.9. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 2D317C433B4 for ; Sun, 2 May 2021 22:32:44 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6289F61244 for ; Sun, 2 May 2021 22:32:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6289F61244 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FYLTP6L0nz30Dk for ; Mon, 3 May 2021 08:32:41 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=udzO03mH; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=infradead.org (client-ip=2001:8b0:10b:1236::1; helo=casper.infradead.org; envelope-from=willy@infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=udzO03mH; dkim-atps=neutral Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4FYLSm5bKfz2xZ9 for ; Mon, 3 May 2021 08:32:06 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sxg9T1l2P1TCAt0KGvVd11DgxmUSs0be5EJPC9/f71E=; b=udzO03mH7WI7B+E+YTdUOwtAf1 pjHtqAcqFvgk6A/VPnylKxmrsD2lIsft1hfQrFKrFeNBtjNS6w+ZE+mHiu5d5gHPflr/5ZEY0rMY3 j/Vp83jF/iLnG6XdNPzIyF+mF5/lYl4l1cbzzG1WNvagPbMrY6WOJxtjqyegDj+NUVKUcLudh1Jxj aIs6ARBcGAieZGWtA+1xInBrNjRM1WzTAXphw3z434iaMpsXozUAAxgXsgOVhK/ROYowwzYtHNMjt qTvAIs7sHWprczN8zI56TNESOK3PApv5dUV0ZiJ8bjyK89wcLViH+1YjrBh3jVl2hZIW2BIswvKuA GSIUL4Rg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbH-00EKpr-87; Sun, 02 May 2021 22:30:19 +0000 Date: Sun, 2 May 2021 23:30:07 +0100 From: Matthew Wilcox To: Linus Torvalds Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 Message-ID: <20210502223007.GZ1847222@casper.infradead.org> References: <20210501151538.145449-1-masahiroy@kernel.org> <3943bc020f6227c8801907317fc113aa13ad4bad.camel@perches.com> <20210502183030.GF10366@gate.crashing.org> <81a926a3bdb70debe3ae2b13655ea8d249fb9991.camel@perches.com> <20210502203253.GH10366@gate.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 , Masahiro Yamada , Jonathan Corbet , Linux Doc Mailing List , linux-kernel , Miguel Ojeda , Will Deacon , Palmer Dabbelt , Paul Walmsley , Joe Perches , Paul Mackerras , linux-riscv@lists.infradead.org, Miguel Ojeda , linuxppc-dev , Linux ARM Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sun, May 02, 2021 at 02:08:31PM -0700, Linus Torvalds wrote: > What is relevant is what version of gcc various distributions actually > have reasonably easily available, and how old and relevant the > distributions are. We did decide that (just as an example) RHEL 7 was > too old to worry about when we updated the gcc version requirement > last time. > > Last year, Arnd and Kirill (maybe others were involved too) made a > list of distros and older gcc versions. But I don't think anybody > actually _maintains_ such a list. It would be perhaps interesting to > have some way to check what compiler versions are being offered by > different distros. fwiw, Debian 9 aka Stretch released June 2017 had gcc 6.3 Debian 10 aka Buster released June 2019 had gcc 7.4 *and* 8.3. Debian 8 aka Jessie had gcc-4.8.4 and gcc-4.9.2. So do we care about people who haven't bothered to upgrade userspace since 2017? If so, we can't go past 4.9. 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=-4.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 C0D77C433B4 for ; Sun, 2 May 2021 22:39:27 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7292A61245 for ; Sun, 2 May 2021 22:39:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7292A61245 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S6UeToE3+coRSWuxMJwUWZD0Cw0xz4eFl939OYbneIU=; b=X5l9VfSOoO36b185ho5O+XRb0 8O/Zex/ijw3Hx91S9W1JO0oc38TkA4RJdHou/HjcYyr25oejjF20pl88PFQF/o39xKiCNFDmw7DzN wsQ2n8lpnbLhTcOZd3vRh7r7dwyW18NwN//nX0TBfRbA8Ul1QyQ6u8evixY4zpDFAXTBXefmUmjEp znElsU9G5M7A+oZM2p69SdImnXOBSva/dCTIpkAVy5rW531lJA+Y5gXhIOJUfOlrqGkQCXIEyenG4 fG/Aga1/qAEDrn7DJlaH4346ChsWacwhYXevx6Bu3YVjH5ArPJlDsA1PdaJcWqdue6+LIzJXnU5uU 1NMX4qRSQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1ldKdn-00Ccun-5A; Sun, 02 May 2021 22:32:48 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbs-00Ccmn-7z; Sun, 02 May 2021 22:30:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=sxg9T1l2P1TCAt0KGvVd11DgxmUSs0be5EJPC9/f71E=; b=udzO03mH7WI7B+E+YTdUOwtAf1 pjHtqAcqFvgk6A/VPnylKxmrsD2lIsft1hfQrFKrFeNBtjNS6w+ZE+mHiu5d5gHPflr/5ZEY0rMY3 j/Vp83jF/iLnG6XdNPzIyF+mF5/lYl4l1cbzzG1WNvagPbMrY6WOJxtjqyegDj+NUVKUcLudh1Jxj aIs6ARBcGAieZGWtA+1xInBrNjRM1WzTAXphw3z434iaMpsXozUAAxgXsgOVhK/ROYowwzYtHNMjt qTvAIs7sHWprczN8zI56TNESOK3PApv5dUV0ZiJ8bjyK89wcLViH+1YjrBh3jVl2hZIW2BIswvKuA GSIUL4Rg==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1ldKbH-00EKpr-87; Sun, 02 May 2021 22:30:19 +0000 Date: Sun, 2 May 2021 23:30:07 +0100 From: Matthew Wilcox To: Linus Torvalds Cc: Segher Boessenkool , Joe Perches , Miguel Ojeda , Masahiro Yamada , Albert Ou , Arnd Bergmann , Linux Kbuild mailing list , Greg Kroah-Hartman , Jonathan Corbet , Linux Doc Mailing List , linux-kernel , Palmer Dabbelt , Paul Walmsley , Catalin Marinas , Miguel Ojeda , Paul Mackerras , linux-riscv@lists.infradead.org, linuxppc-dev , Will Deacon , Linux ARM Subject: Re: [PATCH] Raise the minimum GCC version to 5.2 Message-ID: <20210502223007.GZ1847222@casper.infradead.org> References: <20210501151538.145449-1-masahiroy@kernel.org> <3943bc020f6227c8801907317fc113aa13ad4bad.camel@perches.com> <20210502183030.GF10366@gate.crashing.org> <81a926a3bdb70debe3ae2b13655ea8d249fb9991.camel@perches.com> <20210502203253.GH10366@gate.crashing.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, May 02, 2021 at 02:08:31PM -0700, Linus Torvalds wrote: > What is relevant is what version of gcc various distributions actually > have reasonably easily available, and how old and relevant the > distributions are. We did decide that (just as an example) RHEL 7 was > too old to worry about when we updated the gcc version requirement > last time. > > Last year, Arnd and Kirill (maybe others were involved too) made a > list of distros and older gcc versions. But I don't think anybody > actually _maintains_ such a list. It would be perhaps interesting to > have some way to check what compiler versions are being offered by > different distros. fwiw, Debian 9 aka Stretch released June 2017 had gcc 6.3 Debian 10 aka Buster released June 2019 had gcc 7.4 *and* 8.3. Debian 8 aka Jessie had gcc-4.8.4 and gcc-4.9.2. So do we care about people who haven't bothered to upgrade userspace since 2017? If so, we can't go past 4.9. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel