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In-Reply-To: <515F3160.4020007@linux.vnet.ibm.com>
References: <20130324155153.GA8597@redhat.com> <515F3160.4020007@linux.vnet.ibm.com>
From: Roland Dreier <roland@kernel.org>
Date: Fri, 5 Apr 2013 13:43:49 -0700
Message-ID: <CAL1RGDU2jtrRrxi6srsH_ADiYGvJbCpCT3UvoLGTX3cvQ=s0kQ@mail.gmail.com>
Subject: Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag
To: "Michael R. Hines" <mrhines@linux.vnet.ibm.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
        Sean Hefty <sean.hefty@intel.com>,
        Hal Rosenstock <hal.rosenstock@gmail.com>,
        Yishai Hadas <yishaih@mellanox.com>, Christoph Lameter <cl@linux.com>,
        "linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>, qemu-devel@nongnu.org
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On Fri, Apr 5, 2013 at 1:17 PM, Michael R. Hines
<mrhines@linux.vnet.ibm.com> wrote:
> 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).

Not sure I'm interpreting this correctly.  Are you saying that things
worked without actually setting the GIFT flag?   In which case why are
we adding this flag?

 - R.
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