linux-kernel - Re: [PATCH 2/2] Documentation/process: Add a maintainer handbook for KVM x86

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Message-ID: <Y/UhjRe4jcM+BXt+@google.com>
Date:   Tue, 21 Feb 2023 11:54:53 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     David Woodhouse <dwmw2@...radead.org>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Sagi Shahar <sagis@...gle.com>,
        Erdem Aktas <erdemaktas@...gle.com>,
        Peter Shier <pshier@...gle.com>,
        Anish Ghulati <aghulati@...gle.com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Houghton <jthoughton@...gle.com>,
        Anish Moorthy <amoorthy@...gle.com>,
        Ben Gardon <bgardon@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Aaron Lewis <aaronlewis@...gle.com>,
        Ashish Kalra <ashish.kalra@....com>,
        Babu Moger <babu.moger@....com>, Chao Gao <chao.gao@...el.com>,
        Chao Peng <chao.p.peng@...ux.intel.com>,
        Chenyi Qiang <chenyi.qiang@...el.com>,
        Emanuele Giuseppe Esposito <eesposit@...hat.com>,
        Gavin Shan <gshan@...hat.com>,
        Guang Zeng <guang.zeng@...el.com>,
        Hou Wenlong <houwenlong.hwl@...group.com>,
        Jiaxi Chen <jiaxi.chen@...ux.intel.com>,
        Jim Mattson <jmattson@...gle.com>,
        Jing Liu <jing2.liu@...el.com>,
        Junaid Shahid <junaids@...gle.com>,
        Kai Huang <kai.huang@...el.com>,
        Leonardo Bras <leobras@...hat.com>,
        Like Xu <like.xu.linux@...il.com>,
        Li RongQing <lirongqing@...du.com>,
        "Maciej S . Szmigiero" <maciej.szmigiero@...cle.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        Michael Roth <michael.roth@....com>,
        Michal Luczaj <mhal@...x.co>,
        Mingwei Zhang <mizhang@...gle.com>,
        Nikunj A Dadhania <nikunj@....com>,
        Paul Durrant <pdurrant@...zon.com>,
        Peng Hao <flyingpenghao@...il.com>,
        Peter Gonda <pgonda@...gle.com>, Peter Xu <peterx@...hat.com>,
        Robert Hoo <robert.hu@...ux.intel.com>,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Vipin Sharma <vipinsh@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Wei Wang <wei.w.wang@...el.com>,
        Xiaoyao Li <xiaoyao.li@...el.com>,
        Yu Zhang <yu.c.zhang@...ux.intel.com>,
        Zhenzhong Duan <zhenzhong.duan@...el.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Documentation/process: Add a maintainer handbook for
 KVM x86

On Mon, Feb 20, 2023, David Woodhouse wrote:
> On Fri, 2023-02-17 at 14:54 -0800, Sean Christopherson wrote:
> > 
> > +All topic branches, except for ``next`` and ``fixes``, are rolled into ``next``
> > +via a cthulu merge on an as-needed basis, i.e. when a topic branch is updated.
> > +As a result, force pushes to ``next`` are common.
> > +
> 
> This makes 'next' an unfortunate name, doesn't it? Since branches
> destined for "linux-next", which has been using that name for far
> longer, have exactly the opposite expectation — that they have stable
> commit IDs.

I was coming at it from the viewpoint of linux-next itself, where HEAD is rebuilt
nightly and thus is not stable.  The inputs are stable, just not the merge commit.

> Would 'staging' not be more conventional for the branch you describe?

Not really?  It's not a staging area, it really is the branch that contains the
changes for the "next" kernel.

What if I drop the above guidance and instead push a date-stamped tag when pushing
to 'next'?  That should ensure the base is reachable for everyone, and would also
provide a paper trail for what I've done, which is probably a good idea regardless.