From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 1/2] rdma/cm: support option to allow manually setting IB path
Date: Mon, 5 Oct 2009 11:56:56 -0600 [thread overview]
Message-ID: <20091005175656.GK5191@obsidianresearch.com> (raw)
In-Reply-To: <F0EFC2D8E6A340D48497497670C5969C-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
On Mon, Oct 05, 2009 at 10:43:44AM -0700, Sean Hefty wrote:
> Export rdma_set_ib_paths to user space to allow applications to
> manually set the IB path used for connections. This allows
> alternative ways for a user space application or library to obtain
> path record information, including retrieving path information
> from cached data, avoiding direct interaction with the IB SA.
> The IB SA is a single, centralized entity that can limit scaling
> on large clusters running MPI applications.
Um, isn't this kind of low level control exactly why we have the IB
CM?
Jason
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next prev parent reply other threads:[~2009-10-05 17:56 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-05 17:43 [PATCH 1/2] rdma/cm: support option to allow manually setting IB path Sean Hefty
[not found] ` <F0EFC2D8E6A340D48497497670C5969C-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-05 17:45 ` [PATCH 2/2] rdma/cm: allow user to specify IP to DGID mapping Sean Hefty
[not found] ` <F451C333D8CB45E4B4642C6BD1EDD3C3-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-06 8:00 ` Or Gerlitz
[not found] ` <4ACAF913.3050909-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-06 19:05 ` Sean Hefty
[not found] ` <AA7E7C8FC2A04B9688CD69CEB7355DF8-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-06 20:07 ` Jason Gunthorpe
[not found] ` <20091006200739.GP5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-06 22:53 ` Sean Hefty
[not found] ` <B266C10D3C26431E8FF5012420132452-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-06 23:17 ` Jason Gunthorpe
[not found] ` <20091006231720.GR5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-07 1:20 ` Sean Hefty
[not found] ` <3F7D26D4BA1C46F18F2F87BDD7EB7F36-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-07 5:26 ` Jason Gunthorpe
[not found] ` <20091007052639.GB18578-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-07 19:16 ` Sean Hefty
[not found] ` <20ADF14BE2B24B459DC3921F69449E61-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-07 20:32 ` Jason Gunthorpe
[not found] ` <20091007203257.GT5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-07 21:20 ` Hefty, Sean
[not found] ` <CF9C39F99A89134C9CF9C4CCB68B8DDF12C180FFD1-osO9UTpF0USkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2009-10-07 21:45 ` Jason Gunthorpe
2009-10-07 22:23 ` Or Gerlitz
[not found] ` <15ddcffd0910071523w4f229b14j905ad170ceb8c21f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-07 23:42 ` Sean Hefty
[not found] ` <9F4DE6A2B4F644698E94F00C4FEEF30A-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-08 0:38 ` Sean Hefty
[not found] ` <0A383504E0E54C949DEF84405E3AE92F-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-08 0:54 ` Jason Gunthorpe
[not found] ` <20091008005425.GW5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-08 6:46 ` Sean Hefty
[not found] ` <3BA5B96263EC4ACA8FF3C4D8DCF47C69-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-08 17:21 ` Jason Gunthorpe
[not found] ` <20091008172120.GX5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-08 23:39 ` Or Gerlitz
2009-10-08 23:33 ` Or Gerlitz
[not found] ` <15ddcffd0910081633q20d98abfg41a9f4e781e486b1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-10-09 0:24 ` Sean Hefty
[not found] ` <859D79BFCA4741F393AABF76BBCA4F7B-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 10:22 ` Or Gerlitz
[not found] ` <4ADD8F5F.3010008-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-20 18:08 ` Sean Hefty
[not found] ` <9F76F7CD7B9048E8821A1B05CC5FAFE8-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 18:31 ` Jason Gunthorpe
[not found] ` <20091020183132.GE14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-20 19:13 ` Sean Hefty
[not found] ` <A47D2FC6B143436DB87704307B0E715D-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 19:18 ` Jason Gunthorpe
[not found] ` <20091020191821.GI14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-20 20:05 ` Sean Hefty
[not found] ` <8D09997BDBC5482C86EAD338F19C8030-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 20:29 ` Jason Gunthorpe
[not found] ` <20091020202902.GJ14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-20 20:48 ` Sean Hefty
[not found] ` <B7BCBF813BF447B28330C2DB8F1437D6-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 21:30 ` Jason Gunthorpe
2009-10-22 15:41 ` Or Gerlitz
[not found] ` <4AE07D41.7040300-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-22 16:39 ` Jason Gunthorpe
[not found] ` <20091022163904.GC26003-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-25 11:32 ` Or Gerlitz
[not found] ` <4AE4374B.6020104-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-25 18:50 ` Jason Gunthorpe
2009-10-22 19:14 ` Sean Hefty
[not found] ` <9574E625AB3C48E6A7DF1A2760882363-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-25 11:25 ` Or Gerlitz
[not found] ` <4AE435A1.6040309-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-25 18:32 ` Jason Gunthorpe
2009-10-09 0:33 ` Jason Gunthorpe
2009-10-08 23:13 ` Or Gerlitz
2009-10-05 17:56 ` Jason Gunthorpe [this message]
[not found] ` <20091005175656.GK5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-05 18:08 ` [PATCH 1/2] rdma/cm: support option to allow manually setting IB path Sean Hefty
[not found] ` <F7D418716F3A4A0DACE42CC449624298-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-05 18:15 ` Jason Gunthorpe
[not found] ` <20091005181525.GL5191-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-05 19:20 ` Sean Hefty
2009-10-06 15:01 ` Todd Rimmer
[not found] ` <5AEC2602AE03EB46BFC16C6B9B200DA8168EFD82BA-e4KNYiSEog6Xx9kJd3VG2h2eb7JE58TQ@public.gmane.org>
2009-10-06 19:05 ` Sean Hefty
[not found] ` <D61F37041B6F49ACB0AC64FBF2DC4D00-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-07 5:30 ` Jason Gunthorpe
2009-10-09 21:48 ` Sean Hefty
[not found] ` <A08104C1CF70400F8BEF492AD49C8491-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-13 13:06 ` Or Gerlitz
[not found] ` <4AD47B40.8070800-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-20 10:23 ` Or Gerlitz
[not found] ` <4ADD8FAA.902-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-10-20 15:52 ` Sean Hefty
2009-10-20 18:14 ` Jason Gunthorpe
[not found] ` <20091020181458.GD14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-20 18:34 ` Sean Hefty
[not found] ` <46770152ACA04B6C8AA9497C45AC8FD0-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-20 19:14 ` Jason Gunthorpe
[not found] ` <20091020191404.GH14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-22 0:14 ` Sean Hefty
[not found] ` <9DFD8E65325F4EE990749EEBE4BC33CA-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-22 0:42 ` Jason Gunthorpe
[not found] ` <20091022004245.GV14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-22 1:07 ` Sean Hefty
[not found] ` <AE35305D45DB49F591A45DADD822209A-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-22 1:35 ` Jason Gunthorpe
[not found] ` <20091022013542.GX14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-22 8:10 ` [PATCH v2] [RFC] " Sean Hefty
[not found] ` <B7E97540810E4A2785FF1FC8CB96F453-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-22 16:54 ` Jason Gunthorpe
[not found] ` <20091022165414.GH26003-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-22 17:52 ` Sean Hefty
[not found] ` <1438C87E89284364A56E08A40DFE199E-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-22 18:11 ` Jason Gunthorpe
[not found] ` <20091022181101.GY14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-22 18:28 ` Sean Hefty
[not found] ` <67280F81CB6F417DA6EEE22448ED5500-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-22 18:36 ` Jason Gunthorpe
2009-10-22 20:26 ` [PATCH v3] " Sean Hefty
[not found] ` <DC0770A17FDC4DACAC0251A3362CE87A-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-28 18:11 ` Roland Dreier
[not found] ` <adaiqdzs81h.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2009-10-28 19:00 ` Sean Hefty
[not found] ` <B82A674A574A4A239FBF3FFCBF5D6BB6-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-01 6:50 ` Or Gerlitz
2009-10-28 19:14 ` Jason Gunthorpe
[not found] ` <20091028191454.GL14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-28 19:37 ` Sean Hefty
[not found] ` <5082D185D95A4389BC9EEA666CAEBA66-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-28 20:25 ` Jason Gunthorpe
[not found] ` <20091028202545.GM14520-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2009-10-28 21:41 ` Sean Hefty
[not found] ` <24B14DCC9C3645FB92194300C8F5D441-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-10-28 22:24 ` Jason Gunthorpe
2009-10-30 1:49 ` [PATCH v4] " Sean Hefty
[not found] ` <1B115D7248A5404781F001F72A7C591A-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2009-11-01 7:10 ` Or Gerlitz
[not found] ` <4AED347A.1060301-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2009-11-02 18:59 ` QoS in local SA entity: was " Sean Hefty
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