On Tue, Jun 02, 2020 at 05:05:11PM +0200, Peter Zijlstra wrote: > On Tue, Jun 02, 2020 at 10:42:35AM -0400, Qian Cai wrote: > > > Reverted this commit fixed the POWER9 boot warning, > > ARGH, I'm an idiot. Please try this instead: > > > diff --git a/kernel/softirq.c b/kernel/softirq.c > index a3eb6eba8c41..c4201b7f42b1 100644 > --- a/kernel/softirq.c > +++ b/kernel/softirq.c > @@ -438,7 +438,7 @@ void irq_exit_rcu(void) > */ > void irq_exit(void) > { > - irq_exit_rcu(); > + __irq_exit_rcu(); > rcu_irq_exit(); > /* must be last! */ > lockdep_hardirq_exit();
This works fine.