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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 1DF48C76190 for ; Thu, 25 Jul 2019 22:10:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F0BA422BE8 for ; Thu, 25 Jul 2019 22:10:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbfGYWK2 (ORCPT ); Thu, 25 Jul 2019 18:10:28 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:39619 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726635AbfGYWK2 (ORCPT ); Thu, 25 Jul 2019 18:10:28 -0400 Received: by mail-wm1-f67.google.com with SMTP id u25so35656971wmc.4 for ; Thu, 25 Jul 2019 15:10:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=/efOnDxSbGdN0Bdr5SzMCIHE/dK0Kshq+Eu+fKkpIAI=; b=rw1A7ETnj0f3jlwv/KW+00iHv3hfARoZ/j4wtp9K1VTy1V9jyUWJlQdLTCk3gBi4ST lukFTRBObwAuqISQQcxViKjUKeTKZNwuwJ/CJZEOw5nx0DWYqWs/5lsMW54P3jC8M82B kjLEYO2awF/tnHxnqj5SWn9fkBbbMjJtcGhcLzRfJzqNgDzjc9O97sZ9qtUjtdiqqauP cyrR4SiL0UuYhvTBV3cUe0s12qfu8j39HcpzqQjrtmlTD4ceJdTnlV87hEsVprPhdcjK g1SWLZNU2i0HgtUMXMeGRrD9JJVg5oVK33KWY6lftpqtfajFRzF27zNJpu3PnWCUBXqG tHFw== X-Gm-Message-State: APjAAAXHZGpDSU8ewrQ4NMx/C3JZbaJ6aeNuEZ+i5QYZaI/7JWer/xbS wtCYtVPHy7yXSthxE0qe8LuWiA== X-Google-Smtp-Source: APXvYqxuCBM42nA2ri+2nQ+IFiLkfFjMyzd5RxP94/5hxtMLT55P9FoKuk7obZIVITd21utAuKT30g== X-Received: by 2002:a1c:a1c1:: with SMTP id k184mr84016054wme.81.1564092625944; Thu, 25 Jul 2019 15:10:25 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:cc23:f353:392:d2ee? ([2001:b07:6468:f312:cc23:f353:392:d2ee]) by smtp.gmail.com with ESMTPSA id 15sm35602094wmk.34.2019.07.25.15.10.24 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Thu, 25 Jul 2019 15:10:25 -0700 (PDT) Subject: Re: [PATCH 5.2 000/413] 5.2.3-stable review To: Sean Christopherson , Naresh Kamboju , Greg Kroah-Hartman , Anders Roxell , Ben Hutchings , wanpengli@tencent.com, Linus Torvalds , patches@kernelci.org, Linux Kernel Mailing List , lkft-triage@lists.linaro.org, linux- stable , Andrew Morton , Shuah Khan , Guenter Roeck , jmattson@google.com References: <20190725113437.GA27429@kroah.com> <230a5b34-d23e-8318-0b1f-d23ada7318e0@redhat.com> <20190725160939.GC18612@linux.intel.com> <33f1cfaa-525d-996a-4977-fda32dc368ee@redhat.com> <20190725162053.GD18612@linux.intel.com> <7bc207e0-0812-e41a-bfd5-e3fbfd43f242@redhat.com> <20190725163946.xt2p3pvxwuabzojj@xps.therub.org> <3e55414d-cb4f-8f3f-a359-e374b6298715@redhat.com> <20190725201933.aiqh6oj7bacdwact@xps.therub.org> <20190725205701.GF18612@linux.intel.com> From: Paolo Bonzini Openpgp: preference=signencrypt Message-ID: Date: Fri, 26 Jul 2019 00:10:23 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190725205701.GF18612@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/07/19 22:57, Sean Christopherson wrote: > On Thu, Jul 25, 2019 at 03:19:33PM -0500, Dan Rue wrote: >> I would still prefer to run the latest tests against all kernel versions >> (but better control when we upgrade it). Like I said, we can handle >> expected failures, and it would even help to validate backports for >> fixes that do get backported. I'm afraid on your behalf that snapping >> (and maintaining) branches per kernel branch is going to be a lot to >> manage. > > Having the branches would be beneficial for kernel developers as well, > e.g. on multiple occasions I've spent time hunting down non-existent KVM > bugs, only to realize my base kernel was stale with respect to kvm-unit-tests. > > My thought was to have a mostly-unmaintained branch for each major kernel > version, e.g. snapshot a working version of kvm_unit_tests when the KVM > pull request for the merge window is sent, and for the most part leave it > at that. I don't think it would introduce much overhead, but then again, > I'm not the person who would be maintaining this :-) > Yes, I agree. Stable backports that have fixes in kvm-unit-tests are relatively rare, so the branch would hardly move after a release is cut. Paolo