Messages in this thread | | | Date | Thu, 17 May 2018 23:42:45 -0700 | From | Christoph Hellwig <> | Subject | Re: [RFC PATCH 00/09] Implement direct user I/O interfaces for RDMA |
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On Thu, May 17, 2018 at 07:10:04PM -0400, Tom Talpey wrote: > What's the security risk? This type of direct i/o behavior is not > uncommon, and can certainly be made safe, using the appropriate > memory registration and protection domains. Any risk needs to be > stated explicitly, and mitigation provided, or at least described.
And in fact it is the same behavior you'll see on NFS over RDMA, or a block device or any local fs over SRP/iSER/NVMe over Fabrics..
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