linux-kernel - Re: [PATCH v3 1/3] MAINTAINERS: Update maintainers for paravirt ops and VMware hypervisor interface

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Date:   Tue, 16 Nov 2021 10:18:37 -0800
From:   "Srivatsa S. Bhat" <srivatsa@...il.mit.edu>
To:     Joe Perches <joe@...ches.com>
Cc:     Sasha Levin <sashal@...nel.org>,
        Greg KH <gregkh@...uxfoundation.org>, jgross@...e.com,
        x86@...nel.org, pv-drivers@...are.com,
        Alexey Makhalov <amakhalov@...are.com>,
        Deep Shah <sdeep@...are.com>, stable@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, keerthanak@...are.com,
        srivatsab@...are.com, anishs@...are.com, vithampi@...are.com,
        linux-kernel@...r.kernel.org, namit@...are.com, kuba@...nel.org,
        rostedt@...dmis.org
Subject: Re: [PATCH v3 1/3] MAINTAINERS: Update maintainers for paravirt ops
 and VMware hypervisor interface

On Mon, Nov 15, 2021 at 08:33:40PM -0800, Joe Perches wrote:
> On Mon, 2021-11-15 at 14:39 -0800, Srivatsa S. Bhat wrote:
> > On Fri, Nov 12, 2021 at 12:16:53PM -0500, Sasha Levin wrote:
> > > Maybe we should just remove MAINTAINERS from stable trees to make it
> > > obvious.
> > 
> > I don't think we should go quite that far. Instead, perhaps we can
> > modify get_maintainer.pl (if needed) such that it prints out a warning
> > or reminder to consult the upstream MAINTAINERS file if the script is
> > invoked on an older stable kernel.
> 
> I don't see how that's feasible.
> 

Not that I'm pushing for this change, but isn't it straight-forward to
distinguish upstream and stable kernel releases based on their
versioning schemes? The SUBLEVEL in the Makefile is always 0 for
upstream, and positive for stable versions (ignoring ancient kernels
like v2.6.32, of course). Since stable kernels are behind mainline by
definition, anytime the get_maintainer.pl script is invoked on a
kernel with a positive SUBLEVEL value, we can print out the said
warning/reminder (if it is considered useful).

Regards,
Srivatsa