On Fri, 16 Feb 2018 09:53:03 +0100 Sebastian Andrzej Siewior <bige...@linutronix.de> wrote:
> As for the second invocation (tasklet_action_common() part) is always > invoked in BH-disabled context (even if called from ksoftirqd) so you > are never preemptible() and can't switch CPUs. > So I am going to correct this patch as you suggested but I don't see the > reason to do the same in the second one. Should we add something like: WARN_ON_ONCE(!in_atomic()); ? -- Steve