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From: Jason Gunthorpe <jgg@ziepe.ca>
To: jackm <jackm@dev.mellanox.co.il>
Cc: "Håkon Bugge" <haakon.bugge@oracle.com>,
	"Doug Ledford" <dledford@redhat.com>,
	"Don Hiatt" <don.hiatt@intel.com>,
	"Dasaratharaman Chandramouli"
	<dasaratharaman.chandramouli@intel.com>,
	"Ira Weiny" <ira.weiny@intel.com>,
	"Sean Hefty" <sean.hefty@intel.com>,
	"OFED mailing list" <linux-rdma@vger.kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IB/core: Make ib_mad_client_id atomic
Date: Mon, 30 Apr 2018 08:49:30 -0600	[thread overview]
Message-ID: <20180430144930.GB26895@ziepe.ca> (raw)
In-Reply-To: <20180423221618.0000795d@dev.mellanox.co.il>

On Mon, Apr 23, 2018 at 10:16:18PM +0300, jackm wrote:

> > > TIDs need to be globally unique on the entire machine.  

> Jason, that is not exactly correct.

The expecation for /dev/umad users is that they all receive locally
unique TID prefixes. The kernel may be OK to keep things port-specific
but it is slightly breaking the API we are presenting to userspace to
allow them to alias..

Jason

  parent reply	other threads:[~2018-04-30 14:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-18 14:24 Håkon Bugge
2018-04-18 18:51 ` Weiny, Ira
2018-04-19  2:59 ` Yanjun Zhu
2018-04-20  3:55 ` Doug Ledford
2018-04-20 15:34   ` Jason Gunthorpe
2018-04-23 14:19     ` Håkon Bugge
2018-04-23 19:16       ` jackm
2018-04-26 16:06         ` Håkon Bugge
2018-04-26 18:32           ` jackm
     [not found]             ` <9fdd3ec4-ee91-5442-e753-25d2ecd27ea9@xsintricity.com>
     [not found]               ` <A58D5192-06E7-46A3-869C-273E9A2BC128@oracle.com>
2018-04-27 19:08                 ` Doug Ledford
2018-04-30 11:50                   ` Håkon Bugge
2018-04-30 14:49         ` Jason Gunthorpe [this message]
2018-04-30 17:10           ` Doug Ledford
2018-04-30 17:49             ` Weiny, Ira
2018-04-30 23:01             ` Jason Gunthorpe
2018-05-01  4:38             ` jackm
2018-05-01  6:40               ` Håkon Bugge

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