linux-kernel - Re: [PATCH v6 01/26] IB/Verbs: Implement new callback query

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Message-ID: <1430251412.102408.8.camel@redhat.com>
Date:	Tue, 28 Apr 2015 16:03:32 -0400
From:	Doug Ledford <dledford@...hat.com>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	Tom Talpey <tom@...pey.com>, "ira.weiny" <ira.weiny@...el.com>,
	Michael Wang <yun.wang@...fitbricks.com>,
	Liran Liss <liranl@...lanox.com>,
	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal@....mellanox.co.il>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Steve Wise <swise@...ngridcomputing.com>,
	Tom Tucker <tom@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	"raisch@...ibm.com" <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>
Subject: Re: [PATCH v6 01/26] IB/Verbs: Implement new callback
 query_transport()

On Tue, 2015-04-28 at 12:56 -0600, Jason Gunthorpe wrote:
> On Mon, Apr 27, 2015 at 09:24:35PM -0400, Doug Ledford wrote:
> > On Mon, 2015-04-27 at 17:53 -0700, Tom Talpey wrote:
> 
> > Having some of it refer to things as IBOE and some as ROCE would be
> > similarly confusing, and switching existing IBOE usage to ROCE would
> > cause pain to people with out of tree drivers (Lustre is the main one I
> > know of).  There's not a good answer here.  There's only less sucky
> > ones.
> 
> The tide has already turned, we should ditch iboe:
> 
> $git grep -i roce_ drivers/infiniband/ | wc -l
> 91
> $git grep -i iboe_ drivers/infiniband/ | wc -l
> 37
> 
> It isn't really mainline's role to be too concerned about out of tree
> things like Lustre.

While I generally agree, one need not be totally callous about out of
tree things either.


-- 
Doug Ledford <dledford@...hat.com>
              GPG KeyID: 0E572FDD



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