linux-kernel - Re: Re: [PATCH] rdma/siw: avoid smp_store

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Message-ID: <CAK8P3a0=48ULbgBhx97RncS_em+ymEnDZuVbA29+NF2QQ0KU4Q@mail.gmail.com>
Date:   Fri, 12 Jul 2019 22:24:11 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     Bernard Metzler <BMT@...ich.ibm.com>,
        Doug Ledford <dledford@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Re: [PATCH] rdma/siw: avoid smp_store_mb() on a u64

On Fri, Jul 12, 2019 at 5:14 PM Jason Gunthorpe <jgg@...pe.ca> wrote:
> On Fri, Jul 12, 2019 at 03:22:35PM +0200, Arnd Bergmann wrote:
> > On Fri, Jul 12, 2019 at 3:05 PM Bernard Metzler <BMT@...ich.ibm.com> wrote:
>
> Since this is coming up so late in the merge window, I'm inclined to
> take the simple path while Bernard makes a complete solution
> here. What do you think Arnd?

I don't see a problem either way, since it's a new driver, so both
disabling it on 32-bit and applying a fix that might cause something
to break is not going to make it worse for anyone compared to the
linux-5.2 release.

      Arnd