Re: hung task in mac80211

On Wed, 2017-09-06 at 16:27 +0200, Stefano Brivio wrote:

Sorry for the extended bothering :) but here, you're extending quite
a bit the scope of the lock also
when__ieee80211_start_rx_ba_session() is called by
ieee80211_process_addba_request().

I know, but it doesn't matter.

No idea what the hit can be, but we can't safely assume it's

nothing either.   

We don't really have to assume anything, we can read the code :-)

Trust me, I probably wrote most of it. It's fine, just sanity checks.

What about simply introducing a 'ampdu_mlme_lock_held' argument
instead?

Eww, no.

johannes