From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54068) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UPgAJ-0006MC-OH for qemu-devel@nongnu.org; Tue, 09 Apr 2013 17:33:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UPgAG-0006Ps-7n for qemu-devel@nongnu.org; Tue, 09 Apr 2013 17:33:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46818) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UPgAG-0006Pc-0k for qemu-devel@nongnu.org; Tue, 09 Apr 2013 17:33:16 -0400 Date: Tue, 9 Apr 2013 23:34:09 +0300 From: "Michael S. Tsirkin" Message-ID: <20130409203409.GA9246@redhat.com> References: <20130324155153.GA8597@redhat.com> <515F3160.4020007@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <515F3160.4020007@linux.vnet.ibm.com> Subject: Re: [Qemu-devel] [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael R. Hines" Cc: Roland Dreier , qemu-devel@nongnu.org, "linux-rdma@vger.kernel.org" , Yishai Hadas , LKML , Hal Rosenstock , Jason Gunthorpe , Sean Hefty , Christoph Lameter 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