[PATCH (resend) 0/2] workqueue lockup debugging

I recently experienced a lockup in the wireless code due to the scenario described in patch 1 and wanted to have lockdep warn about such scenarios as a way to catch such bugs in other subsystems as well as to make sure we wouldn't get such things ever again. In discussions with Oleg and Ingo it

[PATCH (resend) 0/2] workqueue lockup debugging

I recently experienced a lockup in the wireless code due to the scenario described in patch 1 and wanted to have lockdep warn about such scenarios as a way to catch such bugs in other subsystems as well as to make sure we wouldn't get such things ever again. In discussions with Oleg and Ingo it