Re: [PATCH rdma-rc 1/2] IB/core: Only enforce security for InfiniBand

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On Tue, Nov 21, 2017 at 01:16:43PM -0500, Don Dutile wrote:

> >>I don't really think it is really too user visible.. Only the device
> >>and port number change, but only if running in mixed mode.
> >
> >Ahh, correct me if I'm wrong, you are proposing to split mlx4_ib devices
> >to two devices once it is configured in mixed mode, so everyone will
> >have one port only. Did I understand you correctly?

> Which would require splitting resources that are shared now? other
> splitting issue(s)?

A change like this would be almost transparent to most users. The cx3
card in mixed mode will look like a mlx5 card does: two single port
RDMA devices.

I think only a minimal amount of stuff is actually shared between
ports, and as cx5 already demonstrates there isn't really a notable
downside to having two kernel RDMA devices.

Jason
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