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-rw-r--r--arch/powerpc/kernel/idle.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 6d2209ac0c44..04d79093d7a1 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -113,6 +113,9 @@ void cpu_idle(void)
}
}
+static void do_nothing(void *unused)
+{
+}
/*
* cpu_idle_wait - Used to ensure that all the CPUs come out of the old
@@ -123,16 +126,9 @@ void cpu_idle(void)
*/
void cpu_idle_wait(void)
{
- int cpu;
smp_mb();
-
- /* kick all the CPUs so that they exit out of old idle routine */
- get_online_cpus();
- for_each_online_cpu(cpu) {
- if (cpu != smp_processor_id())
- smp_send_reschedule(cpu);
- }
- put_online_cpus();
+ /* kick all the CPUs so that they exit out of pm_idle */
+ smp_call_function(do_nothing, NULL, 1);
}
EXPORT_SYMBOL_GPL(cpu_idle_wait);