Re: [RFC 4/8] IB/srp: rework mapping engine to use multiple FMR entries

David Dillow
2011-01-20T12:36:03Z

On Thu, 2011-01-20 at 12:04 +0200, Or Gerlitz wrote:
> > We up the minimum page size for the FMR pool, as it is rare that the
> > kernel would send down a requests with scattered 512 byte fragments, and
> > no HCA supports such a small FMR mapping in any case.
>
>
> I believe you are wrong here as connectx support fmr-ing 512 byte
> segments ("block lists") since firmware 2.6 or so

Yep, that's what I get for working from memory of mthca -- though I
thought I had looked at mlx4 some time back. Thanks for the heads up.

--
Dave Dillow
National Center for Computational Science
Oak Ridge National Laboratory
(865) 241-6602 office