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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FE89C64EC7 for ; Wed, 1 Mar 2023 05:38:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229518AbjCAFiU (ORCPT ); Wed, 1 Mar 2023 00:38:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229480AbjCAFiS (ORCPT ); Wed, 1 Mar 2023 00:38:18 -0500 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 135E6113F5 for ; Tue, 28 Feb 2023 21:38:18 -0800 (PST) Received: by mail-pj1-x102a.google.com with SMTP id kb15so12232540pjb.1 for ; Tue, 28 Feb 2023 21:38:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fromorbit-com.20210112.gappssmtp.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=dBlxtFh5BBKwPKPovq7gYLLJCbU77EmUd2AKQdAifag=; b=cnL/dqnqRktkB9mB4aoz5wUwMAKDnhbJ6l9Vk92Rl2RuVcRVA1y4Vw0HI8AXLcBFC3 oTPXHCv4f7YHoimiV+X7rblkgS73h7a1gOq0/7j15jKxO07aQp3IvEq0/mn3GWWGkSjk AXUxFyU9Mn5Axg79YrPJb16S73IppnLLuDdCBOEYjdSusZxER7Hw5LJCEpMYDKXrVBT7 KfXi/jUzaChWUz0ipfnQIvnvgkMyt3tsc0XWWxvpRhz55vgNo8VfqFPlx7y1O5kfDIpf ej8iIEASLGzb3HDMeUnU2baeCRsIj9+43M4oa6PBoHMHdEIoWMN/0gxPEyaNt3teQhN/ syOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dBlxtFh5BBKwPKPovq7gYLLJCbU77EmUd2AKQdAifag=; b=lwSSHKaZEP91S2ZTn1uPcZD93eSRuslSW1szr9PkjLZ6Cpy9W7JfXGyVtSQim20MR2 QM2Lf3Xn0ale2zqxDVfjqeQWgmx0TS/dGd8FfugtpqknYvipVxrPqIXPj0SC1+LUUG/N UuI4aIdWrVZyNcmkiR7cohdRaTmhJxrGaZqh1RrIAXjC96CuHDguVLXllLrbqDXbycQr NenH0JDbX0w/RxI5qGxGWmmIyU9Lnran4UonauCrspnsaBMD3GVs/8KcacOX1YMGeYjY 9bdp0uIh4dZ+8DHbcxNQ0rOhKS5MiWCbUhvUC70rOAcE8EEYRiXJPpoMmahkVrGcSK2I zQiQ== X-Gm-Message-State: AO0yUKXIP5Tl4BiL2GtVEwoSL8Bd15MSZyuVPu9y3/uWamUuxsrBsVcg FbzZ/LtiepPYBjdMNil9p/4lZt7/X9OhRFdx X-Google-Smtp-Source: AK7set+PbTP/DpNq0+X7zRQq1TJUtpsmRxxtPfp3gjq9iFww/Fg/1KSSAZVnkcuATb9P6uzRlAfkhg== X-Received: by 2002:a17:90b:4c4d:b0:232:f974:c532 with SMTP id np13-20020a17090b4c4d00b00232f974c532mr6279290pjb.19.1677649097520; Tue, 28 Feb 2023 21:38:17 -0800 (PST) Received: from dread.disaster.area (pa49-186-4-237.pa.vic.optusnet.com.au. [49.186.4.237]) by smtp.gmail.com with ESMTPSA id t2-20020a17090a3e4200b00230befd3b2csm8982894pjm.6.2023.02.28.21.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Feb 2023 21:38:16 -0800 (PST) Received: from dave by dread.disaster.area with local (Exim 4.92.3) (envelope-from ) id 1pXF9w-003PaZ-Aw; Wed, 01 Mar 2023 16:37:48 +1100 Date: Wed, 1 Mar 2023 16:37:48 +1100 From: Dave Chinner To: "Darrick J. Wong" Cc: Leah Rumancik , lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] Filesystem backporting to stable Message-ID: <20230301053748.GL2825702@dread.disaster.area> References: 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-fsdevel@vger.kernel.org On Tue, Feb 28, 2023 at 05:48:23PM -0800, Darrick J. Wong wrote: > Another knot that I think we need to slice through is the question of > what to do when support for LTS kernels becomes sparse. Case in point: > > Oracle produces a kernel based on 5.4 and 5.15. We're not going to > introduce one based on 5.10. If Amir stops supporting 5.10, what do we > do about 5.4? If a bugfix appears that needs to be applied to 5.4-6.1, > Greg will not let Chandan backport it to 5.4 until Chandan either takes > responsibility for 5.10, or tricks someone else into do it. And this is soon going to become a much bigger problem with 6.1-lts in the near future will start gating fixes flowing back to 5.15, 5.10 and 5.4.... -Dave. -- Dave Chinner david@fromorbit.com