Re: possible deadlock in cma_netdev_callback

[Jason Gunthorpe]

On Thu, Feb 27, 2020 at 10:11:13AM +0000, Bernard Metzler wrote:

> Thanks for letting me know! Hmm, we cannot use RCU locks since
> we potentially sleep. One solution would be to create a list
> of matching interfaces while under lock, unlock and use that
> list for calling siw_listen_address() (which may sleep),
> right...?

Why do you need to iterate over addresses anyhow? Shouldn't the listen
just be done with the address the user gave and a BIND DEVICE to the
device siw is connected to?

Also that loop in siw_create looks wrong to me

Jason