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-rw-r--r--kernel/rcutree.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index a4a9c91..ceaa959 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1904,11 +1904,11 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
* If called from an extended quiescent state, invoke the RCU
* core in order to force a re-evaluation of RCU's idleness.
*/
- if (rcu_is_cpu_idle())
+ if (rcu_is_cpu_idle() && cpu_online(smp_processor_id()))
invoke_rcu_core();
- /* If interrupts were disabled, don't dive into RCU core. */
- if (irqs_disabled_flags(flags)) {
+ /* If interrupts were disabled or CPU offline, don't invoke RCU core. */
+ if (irqs_disabled_flags(flags) || cpu_is_offline(smp_processor_id())) {
local_irq_restore(flags);
return;
}