Return-Path: Received: from bombadil.infradead.org ([198.137.202.9]:35771 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754717AbbLBM1q (ORCPT ); Wed, 2 Dec 2015 07:27:46 -0500 Date: Wed, 2 Dec 2015 04:27:45 -0800 From: Christoph Hellwig To: Chuck Lever Cc: Linux RDMA Mailing List , Christoph Hellwig , Jason Gunthorpe , Tom Talpey , Linux NFS Mailing List , Sagi Grimberg , santosh shilimkar Subject: Re: Future of FMR support, was: Re: [PATCH v1 5/9] xprtrdma: Add ro_unmap_sync method for FMR Message-ID: <20151202122745.GB28278@infradead.org> References: <20151123220627.32702.62667.stgit@manet.1015granger.net> <20151123221430.32702.86114.stgit@manet.1015granger.net> <5653B606.3070700@talpey.com> <20151124065225.GB29141@infradead.org> <20151124071215.GC23597@obsidianresearch.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: 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..