From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Subject: Re: [PATCH V3 4/4] RDMA/isert: Support iWARP transport
Date: Sat, 4 Jul 2015 13:51:17 +0300
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To: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Or Gerlitz <gerlitz.or-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>, Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Roi Dayan <roid-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Mike Marciniszyn <infinipath-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Eli Cohen <eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
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On 7/2/2015 7:39 PM, Jason Gunthorpe wrote:
> On Thu, Jul 02, 2015 at 09:28:46AM +0300, Sagi Grimberg wrote:
>
>> Or has a good point.
>> The DMA mkey in target mode is discrete and not sent to any peer.
>
> That doesn't mean the peer cannot guess it.
>
> Using the right permission is clearly a stronger protection, we
> shouldn't weaken IB just to accommodate iWarp's limitations.
>

Can't argue with that.

Sorry Steve for the hassle...
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