Re: [PATCH 5/6] rcuscale: Do a proper cleanup if kfree_scale_init() fails

[Uladzislau Rezki]

On Mon, Nov 11, 2024 at 03:24:38PM +0530, Neeraj Upadhyay wrote:
> 
> > diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
> > index 6d37596deb1f..de7d511e6be4 100644
> > --- a/kernel/rcu/rcuscale.c
> > +++ b/kernel/rcu/rcuscale.c
> > @@ -890,13 +890,13 @@ kfree_scale_init(void)
> >  		if (WARN_ON_ONCE(jiffies_at_lazy_cb - jif_start < 2 * HZ)) {
> >  			pr_alert("ERROR: call_rcu() CBs are not being lazy as expected!\n");
> >  			WARN_ON_ONCE(1);
> > -			return -1;
> > +			goto unwind;
> 
> Do we need to set firsterr = -1 here before "goto unwind"? Otherwise, 0
> is returned from kfree_scale_init().
> 
> >  		}
> >  
> >  		if (WARN_ON_ONCE(jiffies_at_lazy_cb - jif_start > 3 * HZ)) {
> >  			pr_alert("ERROR: call_rcu() CBs are being too lazy!\n");
> >  			WARN_ON_ONCE(1);
> > -			return -1;
> > +			goto unwind;
> 
> Ditto
> 
Let me check it!

--
Uladzislau Rezki