Re: [RFC] #MC mess

[Frederic Weisbecker]

On Tue, Feb 18, 2020 at 10:53:25PM +0100, Peter Zijlstra wrote:
> On Tue, Feb 18, 2020 at 10:49:04PM +0100, Peter Zijlstra wrote:
> > diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
> > index da0af631ded5..146332764673 100644
> > --- a/include/linux/hardirq.h
> > +++ b/include/linux/hardirq.h
> > @@ -71,7 +71,7 @@ extern void irq_exit(void);
> >  		printk_nmi_enter();				\
> >  		lockdep_off();					\
> >  		ftrace_nmi_enter();				\
> > -		BUG_ON(in_nmi());				\
> > +		BUG_ON(in_nmi() == 0xf);			\
> 
> That wants to be:
> 
> 		BUG_ON(in_nmi() == NMI_MASK);			\

Ah that's the email I didn't read...
Sorry for the noise.