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From:   Arnd Bergmann <arnd@arndb.de>
Date:   Mon, 26 Jul 2021 09:39:53 +0200
Message-ID: <CAK8P3a3N61zpEphfPoPWgAK3iGx2Cqo3HL1jrce=Kz9iuML1Og@mail.gmail.com>
Subject: Re: [PATCH] m68k: Fix asm register constraints for atomic ops
To:     Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Finn Thain <fthain@linux-m68k.org>,
        Greg Ungerer <gerg@uclinux.org>, Will Deacon <will@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Boqun Feng <boqun.feng@gmail.com>,
        Brendan Jackman <jackmanb@google.com>,
        kernel test robot <lkp@intel.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-m68k <linux-m68k@lists.linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Mon, Jul 26, 2021 at 9:34 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
> Hi Finn,
>
> On Mon, Jul 26, 2021 at 1:45 AM Finn Thain <fthain@linux-m68k.org> wrote:
> > On Sun, 25 Jul 2021, Geert Uytterhoeven wrote:
> > > Fixes: d839bae4269aea46 ("locking,arch,m68k: Fold atomic_ops")
> > > ...
> > > Technically, the issue was present before, but I doubt adding pre-v3.18
> > > Fixes tags would make any difference for stable...
> >
> > There is a better way to constrain backporting, that is Cc:
> > stable@vger.kernel.org # 3.12+
>
> I don't want to constrain backporting.

I would recommend adding the plain

Cc: stable@vger.kernel.org

line to the footer to make it unambiguous that you want it backported then,
plus moving the explanation above the --- line. You can never be too explicit
with those.

      Arnd