From mboxrd@z Thu Jan  1 00:00:00 1970
From: Doug Ledford <dledford@redhat.com>
Subject: Re: [PATCH v3 01/12] IB/core: Guarantee that a local_dma_lkey is
 available
Date: Fri, 14 Aug 2015 20:54:55 -0400
Message-ID: <55CE8DDF.4020403@redhat.com>
References: <20150804222130.GB21509@obsidianresearch.com>
 <20150804233520.GA22313@phlsvsds.ph.intel.com>
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To: "ira.weiny" <ira.weiny@intel.com>, Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Haggai Eran <haggaie@mellanox.com>, linux-rdma@vger.kernel.org, Amir Vadai <amirv@mellanox.com>, Bart Van Assche <bart.vanassche@sandisk.com>, Chien Yen <chien.yen@oracle.com>, Christoph Hellwig <hch@infradead.org>, Dominique Martinet <dominique.martinet@cea.fr>, Eli Cohen <eli@mellanox.com>, Eric Van Hensbergen <ericvh@gmail.com>, Ido Shamay <idos@mellanox.com>, Latchesar Ionkov <lucho@ionkov.net>, Or Gerlitz <ogerlitz@mellanox.com>, Roi Dayan <roid@mellanox.com>, Ron Minnich <rminnich@sandia.gov>, Sagi Grimberg <sagig@mellanox.com>, Simon Derr <simon.derr@bull.net>, Tom Tucker <tom@opengridcomputing.com>, rds-devel@oss.oracle.com, target-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net
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On 08/04/2015 07:35 PM, ira.weiny wrote:
> On Tue, Aug 04, 2015 at 04:21:30PM -0600, Jason Gunthorpe wrote:
>> Every single ULP requires a local_dma_lkey to do anything with
>> a QP, so let us ensure one exists for every PD created.
>>
>> If the driver can supply a global local_dma_lkey then use that, otherw=
ise
>> ask the driver to create a local use all physical memory MR associated=

>> with the new PD.
>>
>> Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
>> Reviewed-by: Sagi Grimberg <sagig@dev.mellanox.co.il>
>> Acked-by: Christoph Hellwig <hch@infradead.org>
>> Reviewed-by: Steve Wise <swise@opengridcomputing.com>
>=20
> I hit this bug as well.
>=20
> Reviewed-by: Ira Weiny <ira.weiny@intel.com>
> Tested-by: Ira Weiny <ira.weiny@intel.com>

I've pulled the v2 of this patch and replaced it with this one.  Thanks.


--=20
Doug Ledford <dledford@redhat.com>
              GPG KeyID: 0E572FDD



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