From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Michael R. Hines" <mrhines@linux.vnet.ibm.com>
Cc: Roland Dreier <roland@kernel.org>,
qemu-devel@nongnu.org,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
Yishai Hadas <yishaih@mellanox.com>,
LKML <linux-kernel@vger.kernel.org>,
Hal Rosenstock <hal.rosenstock@gmail.com>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Sean Hefty <sean.hefty@intel.com>,
Christoph Lameter <cl@linux.com>
Subject: Re: [Qemu-devel] [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag
Date: Tue, 9 Apr 2013 23:34:09 +0300 [thread overview]
Message-ID: <20130409203409.GA9246@redhat.com> (raw)
In-Reply-To: <515F3160.4020007@linux.vnet.ibm.com>
On Fri, Apr 05, 2013 at 04:17:36PM -0400, Michael R. Hines wrote:
> The userland part of the patch was missing (IBV_ACCESS_GIFT).
>
> I added flag that to /usr/include in addition to this patch and did
> a test RDMA migrate and it seems to work without any problems.
>
> I also removed the IBV_*_WRITE flags on the sender-side and
> activated cgroups with the "memory.memsw.limit_in_bytes" activated
> and the migration with RDMA also succeeded without any problems
> (both with *and* without GIFT also worked).
>
> Any additional tests you would like?
>
>
> - Michael
RDMA can't really work with swap so not sure how that's relevant.
Please check memory.usage_in_bytes - is it lower with
the GIFT flag? I think this is what we really care about.
--
MST
next prev parent reply other threads:[~2013-04-09 21:33 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-24 15:51 [Qemu-devel] [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag Michael S. Tsirkin
2013-04-02 15:51 ` Michael S. Tsirkin
2013-04-02 16:57 ` Roland Dreier
2013-04-02 17:05 ` Michael S. Tsirkin
2013-04-02 22:17 ` Michael R. Hines
2013-04-03 16:07 ` Michael S. Tsirkin
2013-04-05 20:17 ` Michael R. Hines
2013-04-05 20:43 ` Roland Dreier
2013-04-05 20:51 ` Michael R. Hines
2013-04-05 21:03 ` Roland Dreier
2013-04-05 21:32 ` Michael R. Hines
2013-04-09 19:03 ` Michael S. Tsirkin
2013-04-10 1:26 ` Michael R. Hines
2013-04-10 3:24 ` Michael S. Tsirkin
2013-04-10 4:32 ` Michael R. Hines
2013-04-10 5:32 ` Michael S. Tsirkin
2013-04-10 15:48 ` Michael R. Hines
2013-04-10 15:05 ` Michael S. Tsirkin
2013-04-10 16:28 ` Michael R. Hines
2013-04-09 19:09 ` Michael S. Tsirkin
2013-04-05 20:54 ` Michael R. Hines
2013-04-09 16:39 ` Michael S. Tsirkin
2013-04-09 17:56 ` Michael R. Hines
2013-04-09 19:00 ` Michael S. Tsirkin
2013-04-09 19:12 ` Michael S. Tsirkin
2013-04-09 20:34 ` Michael S. Tsirkin [this message]
2013-04-09 20:37 ` Michael S. Tsirkin
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