Re: [PATCH] kernel-boot: Do not perform device rename on OPA devices

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On 2/4/2020 9:56 AM, Leon Romanovsky wrote:
On Tue, Feb 04, 2020 at 08:55:20AM -0500, Goldman, Adam wrote:
From: "Goldman, Adam" <adam.goldman@xxxxxxxxx>

PSM2 will not run with recent rdma-core releases. Several tools and
libraries like PSM2, require the hfi1 name to be present.

Recent rdma-core releases added a new feature to rename kernel devices,
but the default configuration will not work with hfi1 fabrics.

Related opa-psm2 github issue:
   https://github.com/intel/opa-psm2/issues/43

Why don't you fix opa-psm2 and add required rdma-core version
checks inside packaging spec files, like we have inside
redhat/rdma-core.spec?

Thanks


This is the way PSM has operated from day 1. It has been broken by this rename stuff. Clearly not everyone is fan, [1] [2] of the rename.

Seems to me like we should revert back to the original behavior. However in lieu of that let HW vendors opt out like what this patch from Adam does.

[1] https://marc.info/?l=linux-rdma&m=158082841016117&w=2
[2] https://marc.info/?l=linux-rdma&m=158082569215149&w=2

-Denny



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