x86/cpu: Avoid cpuinfo-induced IPIing of idle CPUs

[sfrench/cifs-2.6.git] / include / linux / rcutree.h

diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 59eb5cd567d7af2a6e2f5e917d8655f6099d3009..df578b73960f96c072d656ad0366d3e15919efb6 100644 (file)
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -50,6 +50,7 @@ void rcu_irq_exit(void);
 void rcu_irq_exit_preempt(void);
 void rcu_irq_enter_irqson(void);
 void rcu_irq_exit_irqson(void);
+bool rcu_is_idle_cpu(int cpu);
 
 #ifdef CONFIG_PROVE_RCU
 void rcu_irq_exit_check_preempt(void);