linux-kernel - Re: [PATCH v2 2/2] Documentation/process: Add a maintainer handbook for KVM x86

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Date:   Mon, 13 Mar 2023 17:38:30 +0000
From:   Oliver Upton <oliver.upton@...ux.dev>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Bagas Sanjaya <bagasdotme@...il.com>,
        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>,
        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>,
        David Woodhouse <dwmw@...zon.co.uk>,
        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 v2 2/2] Documentation/process: Add a maintainer handbook
 for KVM x86

On Mon, Mar 13, 2023 at 05:32:29PM +0000, Oliver Upton wrote:
> On Thu, Mar 09, 2023 at 09:25:54AM -0800, Sean Christopherson wrote:
> > On Thu, Mar 09, 2023, Oliver Upton wrote:
> > > On Thu, Mar 09, 2023 at 09:37:45AM +0700, Bagas Sanjaya wrote:
> > > > On Wed, Mar 08, 2023 at 05:03:36PM -0800, Sean Christopherson wrote:
> > > > > +As a general guideline, use ``kvm-x86/next`` even if a patch/series touches
> > > > > +multiple architectures, i.e. isn't strictly scoped to x86.  Using any of the
> > > > > +branches from the main KVM tree is usually a less good option as they likely
> > > > > +won't have many, if any, changes for the next release, i.e. using the main KVM
> > > > > +tree as a base is more likely to yield conflicts.  And if there are non-trivial
> > > > > +conflicts with multiple architectures, coordination between maintainers will be
> > > > > +required no matter what base is used.  Note, this is far from a hard rule, i.e.
> > > > > +use a different base for multi-arch series if that makes the most sense.
> > > 
> > > I don't think this is the best way to coordinate with other architectures.
> > > Regardless of whether you intended this to be prescriptive, I'm worried most
> > > folks will follow along and just base patches on kvm-x86/next anyway.
> > 
> > Probably, but for the target audience (KVM x86 contributors), that's likely the
> > least awful base 99% of the time.
> 
> Sorry, I follow this reasoning at all.

I *don't* follow ...

-- 
Thanks,
Oliver