From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael R. Hines" Subject: Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag Date: Wed, 10 Apr 2013 12:28:59 -0400 Message-ID: <5165934B.6050802@linux.vnet.ibm.com> References: <515F3948.40205@linux.vnet.ibm.com> <515F42EE.8060203@linux.vnet.ibm.com> <20130409190350.GB8212@redhat.com> <5164BFE3.4040204@linux.vnet.ibm.com> <20130410032449.GA12777@redhat.com> <5164EB5F.80403@linux.vnet.ibm.com> <20130410053255.GC12777@redhat.com> <516589C8.1040606@linux.vnet.ibm.com> <20130410150539.GA24381@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130410150539.GA24381-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Michael S. Tsirkin" Cc: Roland Dreier , Jason Gunthorpe , Sean Hefty , Hal Rosenstock , Yishai Hadas , Christoph Lameter , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , LKML , qemu-devel-qX2TKyscuCcdnm+yROfE0A@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 04/10/2013 11:05 AM, Michael S. Tsirkin wrote: > On Wed, Apr 10, 2013 at 11:48:24AM -0400, Michael R. Hines wrote: >> There's a very nice, simple client/server RDMA application on the >> internet you can use to test your patch. >> >> http://thegeekinthecorner.wordpress.com/2010/09/28/ >> rdma-read-and-write-with-ib-verbs/ >> >> This guy provides the source code which dumps several gigabytes over RDMA >> to the other side. >> >> There's no need to run QEMU to test your patch, >> assuming you have access to infiniband hardware. >> >> - Michael > > Does this app have any COW pages? It can easily be made to be. It's just a couple of C source files. I've only used it for basic testing. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937086Ab3DJQ3a (ORCPT ); Wed, 10 Apr 2013 12:29:30 -0400 Received: from e39.co.us.ibm.com ([32.97.110.160]:39043 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932992Ab3DJQ32 (ORCPT ); Wed, 10 Apr 2013 12:29:28 -0400 Message-ID: <5165934B.6050802@linux.vnet.ibm.com> Date: Wed, 10 Apr 2013 12:28:59 -0400 From: "Michael R. Hines" User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-Version: 1.0 To: "Michael S. Tsirkin" CC: Roland Dreier , Jason Gunthorpe , Sean Hefty , Hal Rosenstock , Yishai Hadas , Christoph Lameter , "linux-rdma@vger.kernel.org" , LKML , qemu-devel@nongnu.org Subject: Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag References: <515F3948.40205@linux.vnet.ibm.com> <515F42EE.8060203@linux.vnet.ibm.com> <20130409190350.GB8212@redhat.com> <5164BFE3.4040204@linux.vnet.ibm.com> <20130410032449.GA12777@redhat.com> <5164EB5F.80403@linux.vnet.ibm.com> <20130410053255.GC12777@redhat.com> <516589C8.1040606@linux.vnet.ibm.com> <20130410150539.GA24381@redhat.com> In-Reply-To: <20130410150539.GA24381@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13041016-3620-0000-0000-000001FA1F28 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/10/2013 11:05 AM, Michael S. Tsirkin wrote: > On Wed, Apr 10, 2013 at 11:48:24AM -0400, Michael R. Hines wrote: >> There's a very nice, simple client/server RDMA application on the >> internet you can use to test your patch. >> >> http://thegeekinthecorner.wordpress.com/2010/09/28/ >> rdma-read-and-write-with-ib-verbs/ >> >> This guy provides the source code which dumps several gigabytes over RDMA >> to the other side. >> >> There's no need to run QEMU to test your patch, >> assuming you have access to infiniband hardware. >> >> - Michael > > Does this app have any COW pages? It can easily be made to be. It's just a couple of C source files. I've only used it for basic testing. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:53630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UPxtu-0001v0-3c for qemu-devel@nongnu.org; Wed, 10 Apr 2013 12:29:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UPxtp-0003wq-ND for qemu-devel@nongnu.org; Wed, 10 Apr 2013 12:29:34 -0400 Received: from e8.ny.us.ibm.com ([32.97.182.138]:45638) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UPxtp-0003wj-Is for qemu-devel@nongnu.org; Wed, 10 Apr 2013 12:29:29 -0400 Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 10 Apr 2013 12:29:28 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 2E84038C807C for ; Wed, 10 Apr 2013 12:29:05 -0400 (EDT) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r3AGT5Lt30015632 for ; Wed, 10 Apr 2013 12:29:05 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r3AGT3hA019937 for ; Wed, 10 Apr 2013 12:29:04 -0400 Message-ID: <5165934B.6050802@linux.vnet.ibm.com> Date: Wed, 10 Apr 2013 12:28:59 -0400 From: "Michael R. Hines" MIME-Version: 1.0 References: <515F3948.40205@linux.vnet.ibm.com> <515F42EE.8060203@linux.vnet.ibm.com> <20130409190350.GB8212@redhat.com> <5164BFE3.4040204@linux.vnet.ibm.com> <20130410032449.GA12777@redhat.com> <5164EB5F.80403@linux.vnet.ibm.com> <20130410053255.GC12777@redhat.com> <516589C8.1040606@linux.vnet.ibm.com> <20130410150539.GA24381@redhat.com> In-Reply-To: <20130410150539.GA24381@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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 S. Tsirkin" Cc: Roland Dreier , qemu-devel@nongnu.org, "linux-rdma@vger.kernel.org" , Yishai Hadas , LKML , Hal Rosenstock , Jason Gunthorpe , Sean Hefty , Christoph Lameter On 04/10/2013 11:05 AM, Michael S. Tsirkin wrote: > On Wed, Apr 10, 2013 at 11:48:24AM -0400, Michael R. Hines wrote: >> There's a very nice, simple client/server RDMA application on the >> internet you can use to test your patch. >> >> http://thegeekinthecorner.wordpress.com/2010/09/28/ >> rdma-read-and-write-with-ib-verbs/ >> >> This guy provides the source code which dumps several gigabytes over RDMA >> to the other side. >> >> There's no need to run QEMU to test your patch, >> assuming you have access to infiniband hardware. >> >> - Michael > > Does this app have any COW pages? It can easily be made to be. It's just a couple of C source files. I've only used it for basic testing.