diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 4b2575f936d46e77c82e9c003bd53b98e1f9291b..cb64e4797d2a89f2b15f8f44bab6be2203258e92 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -582,7 +582,7 @@ void
 smp_send_stop(void)
 {
 	cpumask_t to_whom;
-	cpumask_copy(&to_whom, cpu_possible_mask);
+	cpumask_copy(&to_whom, cpu_online_mask);
 	cpumask_clear_cpu(smp_processor_id(), &to_whom);
 #ifdef DEBUG_IPI_MSG
 	if (hard_smp_processor_id() != boot_cpu_id)