Re: [PATCH v4 1/4] ftrace: Implement fs notification for tracing_max_latency

[Steven Rostedt]

On Wed, 22 May 2019 16:35:45 +0200
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> > @@ -284,6 +285,7 @@ static void do_idle(void)
> >  	smp_mb__after_atomic();
> >  
> >  	sched_ttwu_pending();
> > +	/* schedule_idle() will call trace_enable_fsnotify() */
> >  	schedule_idle();
> >  
> >  	if (unlikely(klp_patch_pending(current)))  
> 
> I still hate this.. why are we doing this? We already have this
> stop_critical_timings() nonsense and are now adding more gunk.

I was thinking that this can possibly be added in the
stop_critical_timings() as that is probably where this is needed
anyway.

-- Steve