linux-kernel - Re: [PATCHv2] rdma: add a new IB_ACCESS

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Message-ID: <CAL1RGDU2jtrRrxi6srsH_ADiYGvJbCpCT3UvoLGTX3cvQ=s0kQ@mail.gmail.com>
Date:	Fri, 5 Apr 2013 13:43:49 -0700
From:	Roland Dreier <roland@...nel.org>
To:	"Michael R. Hines" <mrhines@...ux.vnet.ibm.com>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Yishai Hadas <yishaih@...lanox.com>,
	Christoph Lameter <cl@...ux.com>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, qemu-devel@...gnu.org
Subject: Re: [PATCHv2] rdma: add a new IB_ACCESS_GIFT flag

On Fri, Apr 5, 2013 at 1:17 PM, Michael R. Hines
<mrhines@...ux.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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