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From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
	Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	tziporet-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ewg-G2znmakfqn7U1rindQTSdQ@public.gmane.org,
	Jeff Squyres <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Subject: Re: [ewg] [PATCH] [for-2.6.33] rdma/cm: disallow loopback address for iwarp devices
Date: Mon, 08 Feb 2010 15:16:29 -0600	[thread overview]
Message-ID: <4B707F2D.3030508@opengridcomputing.com> (raw)
In-Reply-To: <C8A2C57AD5FA4141860DBFF60BFDE2DC-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>


Sean Hefty wrote:
>> IMO 127.0.0.1 should be for SW loopback, not HW RDMA loopback.
>>     
>
> I disagree, but what does it matter?  So, we add a 'software' loopback that uses
> 127.0.0.1.  Openmpi still wouldn't work.
>
>   

I guess that's true.

>> I will commit to get the fix in openmpi asap.
>>     
>
> If we don't care if the fix is in the kernel or user space, then we could add an
> a 'disable-loopback-support' build option to librdmacm, which can fail any
> attempt to bind to a loopback address.
>
>   

I'd rather see it removed from 2.6.33 kernel before it shipts, and then 
we fix openmpi, and then re-submit 127.0.0.1 support once openmpi 
publishes a release with its fix.  See my other email that submits a 
potential commit to remove 127.0.0.1 support for 2.6.33. 

Steve.
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  parent reply	other threads:[~2010-02-08 21:16 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-05 11:32 bug 1918 - openmpi broken due to rdma-cm changes Jeff Squyres (jsquyres)
     [not found] ` <58D723FE08DC6A4398E6596E38F3FA170566DA-2KNrN6/GZtCAsgjym8flbKBKnGwkPULj@public.gmane.org>
2010-02-05 16:16   ` Steve Wise
     [not found]     ` <4B6C4460.3050908-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-05 16:45       ` Steve Wise
2010-02-05 17:51       ` Roland Dreier
     [not found]         ` <ada4olvefl4.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-02-05 17:58           ` Jeff Squyres
     [not found]             ` <324EFA68-12F6-46E9-B876-7F4847B53224-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-05 18:32               ` Steve Wise
     [not found]                 ` <4B6C6453.9090706-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-05 18:49                   ` Roland Dreier
2010-02-05 18:56                   ` Jason Gunthorpe
     [not found]                     ` <20100205185616.GS16490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-02-05 20:08                       ` Jeff Squyres
     [not found]                         ` <E8FF8BD1-80AC-4AA7-BC2A-CE7547FB9ABA-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-05 21:14                           ` Jason Gunthorpe
     [not found]                             ` <20100205211455.GT16490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-02-05 21:40                               ` Jeff Squyres
     [not found]                                 ` <697C6107-13A9-48E3-B451-02529305100D-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-05 21:53                                   ` Steve Wise
     [not found]                                     ` <4B6C9369.1070208-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-05 22:15                                       ` Sean Hefty
     [not found]                                         ` <77E29960440B4806B112A7158F4FA1C4-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-05 22:21                                           ` Steve Wise
2010-02-06 16:18                                           ` Steve Wise
2010-02-05 22:20                                       ` Jeff Squyres
2010-02-06  0:54                                   ` Roland Dreier
2010-02-05 18:42           ` Sean Hefty
     [not found]             ` <3762D25FD9474444A4B3E2240EFB8D0E-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-05 19:01               ` Steve Wise
     [not found]                 ` <4B6C6B23.4010704-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-05 19:24                   ` Roland Dreier
2010-02-05 17:57       ` Jeff Squyres
2010-02-05 16:22   ` Sean Hefty
     [not found]     ` <0D5487526204477AA2ABED06E46768E2-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-05 16:38       ` Steve Wise
     [not found]         ` <4B6C498F.3060708-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-05 16:52           ` Sean Hefty
     [not found]             ` <F6DF49B759AD49EEB44BECD99FE26DCF-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-05 17:08               ` Steve Wise
2010-02-07 21:44               ` [ewg] " Tziporet Koren
     [not found]                 ` <4B6F3451.2070304-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-02-08  5:38                   ` Steve Wise
2010-02-05 20:09           ` Sean Hefty
     [not found]             ` <38B735478FE94F40BBA3E8BFD794B10F-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-06 16:31               ` Steve Wise
     [not found]                 ` <4B6D9948.6040007-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-06 16:45                   ` Steve Wise
2010-02-07  0:12                   ` Sean Hefty
     [not found]                     ` <B41CA82E76BB439B892B4874D38EA652-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-07  1:22                       ` Steve Wise
     [not found]                         ` <4B6E15C4.9020703-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-07 11:56                           ` [ewg] " Tziporet Koren
     [not found]                             ` <4B6EAA5F.1000208-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-02-07 16:39                               ` Steve Wise
     [not found]                                 ` <4B6EECBE.6020509-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-07 16:48                                   ` Roland Dreier
     [not found]                                     ` <ada4oltxa8j.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-02-07 17:42                                       ` Steve Wise
2010-02-08  5:27                                       ` [ewg] " Sean Hefty
2010-02-08 11:52                                   ` Tziporet Koren
     [not found]                                     ` <4B6FFB07.1070701-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-02-08 14:29                                       ` Steve Wise
2010-02-08  6:02                       ` [PATCH] [for-2.6.33] rdma/cm: disallow loopback address for iwarp devices Sean Hefty
     [not found]                         ` <79BAA34231304F1E84C5A5A53C50A207-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-08 11:52                           ` [ewg] " Tziporet Koren
     [not found]                             ` <4B6FFB1B.40905-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-02-08 14:29                               ` Steve Wise
     [not found]                                 ` <4B701FE6.60302-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-08 16:52                                   ` [ewg] " Roland Dreier
     [not found]                                     ` <adawrynwtz9.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-02-08 19:19                                       ` Jason Gunthorpe
     [not found]                                         ` <20100208191927.GU16490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-02-08 20:02                                           ` Steve Wise
     [not found]                                             ` <4B706DED.9080403-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-08 20:33                                               ` Sean Hefty
     [not found]                                                 ` <C8A2C57AD5FA4141860DBFF60BFDE2DC-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-08 21:16                                                   ` Steve Wise [this message]
     [not found]                                                     ` <4B707F2D.3030508-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-08 21:56                                                       ` [ewg] " Jeff Squyres
     [not found]                                                         ` <41CC15C4-0200-4C9E-9E10-3D2A9B76D16B-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-08 22:09                                                           ` Jason Gunthorpe
     [not found]                                                             ` <20100208220903.GW16490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-02-08 22:11                                                               ` Jeff Squyres
2010-02-08 22:13                                                           ` Sean Hefty
     [not found]                                                             ` <7CC17592BE414EFCA00A1CB6033D047A-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-08 22:17                                                               ` [ewg] " Jeff Squyres
     [not found]                                                             ` <44864D85-03D1-412E-906C-D6FF9 04157C8@cisco.com>
     [not found]                                                               ` <44864D85-03D1-412E-906C-D6FF904157C8-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-08 22:26                                                                 ` Sean Hefty
     [not found]                                                                   ` <F533284C543140B0994C54C83C4AFF2B-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-08 22:28                                                                     ` Steve Wise
     [not found]                                                                       ` <4B709008.9020902-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-08 23:48                                                                         ` Sean Hefty
     [not found]                                                                           ` <1966FBDAD40C4EAC8611372D2B15AE84-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-09  0:28                                                                             ` Jeff Squyres
2010-02-09  0:30                                                                         ` Pradeep Satyanarayana
     [not found]                                                                           ` <4B70ACB6.5070008-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2010-02-09  0:45                                                                             ` Jeff Squyres
     [not found]                                                                               ` <FE273021-D385-45EE-9376-6479A92211AF-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-09  0:50                                                                                 ` Pradeep Satyanarayana
     [not found]                                                                                   ` <4B70B152.4080308-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2010-02-09  1:02                                                                                     ` Jeff Squyres
2010-02-09  0:41                                       ` [PATCH] [for-2.6.33] rdma/cm: revert associating an RDMA device when binding to loopback Sean Hefty
     [not found]                                         ` <421D3D6710E847C5B7CAC00EB73117C4-Zpru7NauK7drdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2010-02-09 15:29                                           ` Steve Wise
     [not found]                                             ` <4B717F5D.8020403-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-09 16:15                                               ` Pradeep Satyanarayana
     [not found]                                                 ` <4B718A2C.2030602-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2010-02-09 16:18                                                   ` Steve Wise
     [not found]                                                     ` <4B718ADB.5020602-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-02-09 16:23                                                       ` Sean Hefty
2010-02-09 22:01                                                   ` Jeff Squyres
     [not found]                                                     ` <4FA7F42E-308A-4A4D-82D8-87794CB8C4DE-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-02-09 22:17                                                       ` [ewg] " Jason Gunthorpe
2010-02-09 22:20                                                       ` Sean Hefty
2010-02-10 18:10                                           ` [PATCH] [for-2.6.33] " Roland Dreier
     [not found]                                             ` <ada6365hsgm.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-02-10 18:18                                               ` Steve Wise
2010-02-10 19:13                                               ` Sean Hefty
2010-02-09 16:32                           ` [PATCH] [for-2.6.33] rdma/cm: disallow loopback address for iwarp devices Sean Hefty

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