On 2020-07-16 11:19:13 [+0200], Uladzislau Rezki wrote: > Sebastian, could you please confirm that if that patch that is in > question fixes it? > > It would be appreciated!
So that preempt disable should in terms any warnings. However I don't think that it is strictly needed and from scheduling point of view you forbid a CPU migration which might be good otherwise. Also if interrupts and everything is enabled then someone else might invoke kfree_rcu() from BH context for instance. Sebastian
