netdev - Re: [PATCH RESEND net-next 13/15] smc: receive data from RMBE

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Message-Id: <20160902.105933.1696366729773029010.davem@davemloft.net>
Date:   Fri, 02 Sep 2016 10:59:33 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     ubraun@...ux.vnet.ibm.com
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
        utz.bacher@...ibm.com
Subject: Re: [PATCH RESEND net-next 13/15] smc: receive data from RMBE

From: Ursula Braun <ubraun@...ux.vnet.ibm.com>
Date: Fri, 2 Sep 2016 15:05:01 +0200

> Understood, I wrongly used xchg() for atomicity. I now realize that I
> would need cursor locking for 32-bit architectures - something I would
> like to defer. Thus I would like to come up with V2 of SMC-R with
> builds restricted to 64-bit architectures only, and thus no usage of
> xchg() anymore.

Please don't restrict the driver build to 64-bit