Date: Tue, 14 Jul 2015 13:29:41 -0600
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Steve Wise <swise@opengridcomputing.com>
Cc: "'Sagi Grimberg'" <sagig@dev.mellanox.co.il>,
        "'Steve Wise'" <swise@ogc.us>, "'Tom Talpey'" <tom@talpey.com>,
        "'Doug Ledford'" <dledford@redhat.com>,
        "'Christoph Hellwig'" <hch@infradead.org>, sagig@mellanox.com,
        ogerlitz@mellanox.com, roid@mellanox.com, linux-rdma@vger.kernel.org,
        eli@mellanox.com, target-devel@vger.kernel.org,
        linux-nfs@vger.kernel.org, trond.myklebust@primarydata.com,
        bfields@fieldses.org, "'Oren Duer'" <oren@mellanox.com>
Subject: Re: [PATCH V3 1/5] RDMA/core: Transport-independent access flags
Message-ID: <20150714192941.GA26292@obsidianresearch.com>
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On Tue, Jul 14, 2015 at 02:25:50PM -0500, Steve Wise wrote:
 
> The benefit is that we don't have to check for iWARP protocol in the
> ULP.

IB should have to pay the cost of FRMR for lkey on RDMA READ, I'm
pretty sure you have to check for iWarp at somepoint..

Jason