Re: Future of FMR support, was: Re: [PATCH v1 5/9] xprtrdma: Add ro_unmap_sync method for FMR

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On Tue, Dec 01, 2015 at 10:33:18AM -0500, Chuck Lever wrote:
> Oracle recently announced Sonoma, which is a SPARC CPU with
> an on-chip IB HCA. Oracle plans to publish an open-source
> GPL device driver that enables this HCA in Linux for SPARC.
> We???d eventually like to contribute it to the upstream
> Linux kernel.
> 
> At the moment, the device and driver support only FMR. As
> you might expect, Oracle needs it to work at least with
> in-kernel RDS. Thus we hope to see the life of in-kernel
> FMR extended for a bit to accommodate this new device.

Oh, that's pretty sad news.  I wonder what the engineers where smoking..
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