To: Grant Grundler <iod00d@hp.com>
Cc: "Bryan O'Sullivan" <bos@pathscale.com>,
       Segher Boessenkool <segher@kernel.crashing.org>,
       linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: Re: [openib-general] Re: [PATCH 21 of 53] ipath - use phys_to_virt instead of bus_to_virt
References: <4e0a07d20868c6c4f038.1147477386@eng-12.pathscale.com>
	<adad5efuw1o.fsf@cisco.com>
	<1147728081.2773.25.camel@chalcedony.pathscale.com>
	<adar72vrn8y.fsf@cisco.com> <20060515231342.GK29082@esmail.cup.hp.com>
From: Roland Dreier <rdreier@cisco.com>
Date: Mon, 15 May 2006 16:16:45 -0700
In-Reply-To: <20060515231342.GK29082@esmail.cup.hp.com> (Grant Grundler's message of "Mon, 15 May 2006 16:13:42 -0700")
Message-ID: <ada1wuuswte.fsf@cisco.com>
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    Grant> Or figure out which openib.org interface has to change so
    Grant> the original virt addresses that were registered/handed to
    Grant> the ULP are passed down to the low level interface driver
    Grant> too.  Seems like a more obvious way to fix the problem.
    Grant> Someone did suggest this already, right?

It's been suggested many times, but no one ever comes up with a way to
handle the fact that RDMA means that addresses come from remote
systems as well as being passed in through an API.

 - R.
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