[Accel-config] Re: [PATCH 1/1] accel-config: Fix idxd_mdev modprobe on specific silicon stepping

On 4/2/2021 10:29 AM, Luck, Tony wrote:
>> 	modprobe idxd
>> +	sleep 1
> Dave - this seems weird. Does the idxd start up some async work during module
> initialization?  I'd normally expect "modprobe" to complete synchronously.
>
> "sleep 1" seems a fragile fix. If the system is heavily loaded would you need
> a longer sleep?
>
> -Tony

I don't think so. Although it does do a bunch of 'struct device' 
registration and attempt to probe all of them with registered drivers on 
the dsa_bus. I'm not sure if those are done in async manner.