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Diffstat (limited to 'kernel/smp.c')
-rw-r--r--kernel/smp.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/smp.c b/kernel/smp.c
index f43ede0ab183..01a7c1706a58 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -1170,14 +1170,12 @@ void wake_up_all_idle_cpus(void)
{
int cpu;
- preempt_disable();
- for_each_online_cpu(cpu) {
- if (cpu == smp_processor_id())
- continue;
-
- wake_up_if_idle(cpu);
+ for_each_possible_cpu(cpu) {
+ preempt_disable();
+ if (cpu != smp_processor_id() && cpu_online(cpu))
+ wake_up_if_idle(cpu);
+ preempt_enable();
}
- preempt_enable();
}
EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);