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Date:   Fri, 21 Jun 2019 11:24:06 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Frederic Barrat <fbarrat@linux.ibm.com>
Cc:     Oliver O'Halloran <oohall@gmail.com>,
        Christoph Hellwig <hch@lst.de>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
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        linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Andrew Donnellan <ajd@linux.ibm.com>
Subject: Re: [PATCH 2/4] powerpc/powernv: remove the unused tunneling
 exports
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References: <20190523074924.19659-1-hch@lst.de> <20190523074924.19659-3-hch@lst.de> <CAOSf1CFu_T=7weW0eagzjTc8474ntVx1uCKdQh8sX85bfaPxCQ@mail.gmail.com> <048e1242-a6ea-5d56-dc9a-e16f9eedf6d9@linux.ibm.com>
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On Fri, Jun 21, 2019 at 11:21:38AM +0200, Frederic Barrat wrote:
> The as-notify can be used in both CAPI mode and PCI mode. In capi mode, 
> it's integrated in the capi protocol, so the cxl driver doesn't need to do 
> extra setup, compared to what's already done to activate capi.
> As mentioned in a previous iteration of that patchset, those APIs are to be 
> used by the Mellanox CX5 driver. The in-tree driver is always a step behind 
> their latest, but word is they are working on upstreaming those 
> interactions.

We can review them together with the driver.  Especially as we need to
consider if we even want to support it if there is no generic platform
independent inferface.