Re: [patch V2 17/17] sched: Enable might_sleep() and smp_processor_id() checks early

[Steven Rostedt]

On Wed, 17 May 2017 00:46:37 +0200 (CEST)
Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:


> > > --- a/lib/smp_processor_id.c
> > > +++ b/lib/smp_processor_id.c
> > > @@ -28,7 +28,7 @@ notrace static unsigned int check_preemp
> > >  	/*
> > >  	 * It is valid to assume CPU-locality during early bootup:
> > >  	 */
> > > -	if (system_state != SYSTEM_RUNNING)
> > > +	if (system_state < SYSTEM_SCHEDULING)  
> > 
> > Do we want to ignore halting or rebooting too?  
> 
> I don't think so. After setting those states, interesting stuff like
> device_shutdown() gets invoked. We want the coverage there.

Then I'd suggest that you update the change log, as this patch also
adds coverage to those states as well.

-- Steve