From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH V3 4/4] RDMA/isert: Support iWARP transport Date: Thu, 2 Jul 2015 10:39:37 -0600 Message-ID: <20150702163937.GB4642@obsidianresearch.com> References: <20150701162936.6501.45512.stgit@build.ogc.int> <20150701163058.6501.39171.stgit@build.ogc.int> <009a01d0b43f$f5fa8640$e1ef92c0$@opengridcomputing.com> <5594DA1E.7040604@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <5594DA1E.7040604-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sagi Grimberg Cc: Or Gerlitz , Steve Wise , Doug Ledford , Roi Dayan , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Sagi Grimberg , Mike Marciniszyn , target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Eli Cohen , Or Gerlitz List-Id: linux-rdma@vger.kernel.org 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. Jason -- 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