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

[Dennis Dalessandro <dennis.dalessandro@intel.com>]

On 2/6/2020 8:52 AM, Jason Gunthorpe wrote:
> On Wed, Feb 05, 2020 at 04:59:11PM -0500, Dennis Dalessandro wrote:
>>> I would actively block an attempt to try and do an end-run around
>>> upstream like this. rdma-core is supposed to be the defacto
>>> configuration, not be modified randomly by distros as before.
>>
>> No but users should be free to name their devices how they want should they
>> not?
> 
> Isn't that exactly why PSM is broken?
> 
> These days I can do
> 
> $ rdma link add hfi1_0 type siw netdev eth0
> 
> and PSM will become very confused.
> 
> This is why keying off the device name was *never* OK.
> 
>>> Why isn't psm keying off it's own chardev anyhow? There should be back
>>> links to the RDMA device in sysfs from there.
>>
>> No arguments here. No sense in going down this road though at this point in
>> the game.
> 
> I'm not sure what these means? Are you saying you won't be fixing PSM? Why?
> 

It's not worth going through the same to have a cdev or not argument 
over again.

-Denny