Received: by 2002:a05:6358:1087:b0:cb:c9d3:cd90 with SMTP id j7csp1237482rwi; Thu, 13 Oct 2022 10:48:24 -0700 (PDT) X-Google-Smtp-Source: AMsMyM47Q6TOK2vojHCQDYwUcxIXQVZKwtmTeSICFCZI+/4wZNEcDzVibOUlre7Z8UzKT60tLYHE X-Received: by 2002:a63:5f03:0:b0:460:b08a:8c00 with SMTP id t3-20020a635f03000000b00460b08a8c00mr900542pgb.142.1665683304430; Thu, 13 Oct 2022 10:48:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1665683304; cv=none; d=google.com; s=arc-20160816; b=ZQMytGOxDXCUh5ZNJrfaMrfIaTaiBP/YFyp2ZyHJEAjbbhEc51HpQdfU7eFELvSU8t rly5xDkswwVnxdIIPA2BZxdDQ+pLjwjggN1WXHQ+RlcH4GgdpuMekqko18FmjD95PdoE lldkAQOR/BW6/bLLSBQsIkPausp45b8ZjyszCOXwgHbbJ+kqxeQwPz9qkXpYNEeJ01WA pXMEjbgUFQRT0GAVJbcKBUTXFuSMrk8vyOshMm07mNLGe5lLeM4NJcI5bYi8rnHHUV0w FMKicLVVPMowXY9/wfoNQAWTXp7dww8/ec7S749RjuND+HpkAf8OIw1mo9JaK63NOVwc x/BA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=tCUo/c4VHqaDpAjoYCTcdIZMeJghWeE4JXuZK0zrG24=; b=xz7qJKQBvtyAN3byWUBChhSFS80DPO8F+31SirZrF0H79GnWsivVszMUxrTExGpzaT QXPz31xdgAZuhIzj3JciNmIl7OfDTvo9CkLbAD3YaKznuFouvKUQfBtT1WDcYvWqN/Dj ud7kwsnUt16K0XT70zaO2ch6uk/0jE0Tr2anlm7lSqzSTldCCkQxajtdNW4mKermNt9j bHfibR9UN4HCXtQrdBoODxlcynllEVHf8u4Rg8ymodyPqn077B0gCg92ZEcEf6nZBGCr I92PVWUVaO/pQVVx7GlYDgxgt02cPM7V5lFaJ2V9tw2uUkIKlPMKyO35wULvwkcjXDQ7 fGoA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ni32Vx7+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 66-20020a17090a0fc800b00207095227f9si5382334pjz.186.2022.10.13.10.48.12; Thu, 13 Oct 2022 10:48:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=ni32Vx7+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229475AbiJMRQb (ORCPT + 99 others); Thu, 13 Oct 2022 13:16:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229594AbiJMRQ2 (ORCPT ); Thu, 13 Oct 2022 13:16:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9259ECC834; Thu, 13 Oct 2022 10:16:27 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4909CB81FCD; Thu, 13 Oct 2022 17:16:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E974FC433C1; Thu, 13 Oct 2022 17:16:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665681385; bh=7AH+ah8oQBin4B8tNbYAsKta8NwJf7sQZ7geLz5uCWc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ni32Vx7+SQTcRLJZaf4WsPbdizUjs68S32ijOJ03NHSCn7wgAFEZJOyfbCtBQ9J9K JJF8+i9fiS49x5ggaaMQe/HUypR6dZFakjnFdg+HpwbcLIq4Y4WIXXj61AV6jQkupg tAkSZp4LJPm7z/vNV1Sk0RxWr5/hrPSpDMNAOL+Rz4bv32myX27qskqAQEh4wyxaQm 9uvqrG+GFBhZnmK7ujP5L9qXNeRXBaaxrUdLXatBWwJgkCKOqpH1j8JQI57py2NQb1 qXsmBcHYCc+D+rXX2rf9PL+UK60J4eCjqhOzYbAYUsHzr6dmv0DpOchK/hj51iwUrd Fwdx0DqvgU41Q== Date: Thu, 13 Oct 2022 18:16:20 +0100 From: Mark Brown To: "Jason A. Donenfeld" Cc: linux-toolchains@vger.kernel.org, Linux Kbuild mailing list , LKML Subject: Re: gcc 5 & 6 & others already out of date? Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="pqLuB+nOEHF//jVE" Content-Disposition: inline In-Reply-To: X-Cookie: The Killer Ducks are coming!!! X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --pqLuB+nOEHF//jVE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 13, 2022 at 10:37:21AM -0600, Jason A. Donenfeld wrote: > Regarding "one extreme to the other", I suspect that in spite of my > arguments, which would seem to justify an extreme, the actual thing I > suggested is a bit more moderate: let's support the latest 2 or 3 gccs > at the time of kernel release. If we choose 3, that's roughly 3 years of > gccs, right? 3 years seems like a fairly long amount of time. I was looking at your suggestion there - as a Debian user that feels a touch enthusiastic (though practically probably not actually a problem) since it's not too far off the release cadence, current Debian is at GCC 10 and we're not due for another release till sometime next year which will be right on the three years. There does also seem to be a contingent of people running enterprise distros managed by an IT department or whatever who may take a while to get round to pushing out new versions so for example might still for example be running Ubuntu 20.04 rather than 22.04 (never mind the people I know are sitting on 18.04 but that's another thing). =20 If we went for three years extreme would probably be an overstatment but it's definitely an active push. --pqLuB+nOEHF//jVE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEyBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmNIR+AACgkQJNaLcl1U h9C67Af3ex+OLALFHxPiKkDvZ5VhBRDSpLHhVdbNIML/j/Q87TNYkucnxamW78gE YkhmUYkN7rlXWHOtilPK+C5h3T3FsAR+toDsE9aNzAutDIBD7eIIUQ0QqqOjwzUt vJhJ0YQtiZy+UonWfHoD1KIYB4G4C6w7hH571Cb/EvRauXjwtWPUlv0k2RMXnekT MOrg0f62nYzBHP8pPwplCWOKGOaD0EzIPdAAGJGeILRMxnQnL0PqOgQ51RIz0Ynq eDN5HjnDm0CqsrSvLNvlu/qVtyZiNr+rKX0vxJsbDzIGI5LOZB30diGpziRYiWlB FcL31j1g3zwCUuIszROz1nSzvTKN =OKll -----END PGP SIGNATURE----- --pqLuB+nOEHF//jVE--