[PATCH 11/14] x86/entry: Clarify irq_{enter,exit}_rcu()

[Qian Cai]

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.