Re: [PATCH] perf_counter: cleanup for __perf_event_sched_in()
Xiao Guangrong writes:
> It must be a group leader if event->attr.pinned is "1"
True, but you shouldn't use BUG_ON unless there is no sensible way for the kernel to continue executing, and that's not the case here. Make it WARN_ON, or better still, WARN_ON_ONCE.