diff --git a/[refs] b/[refs]
index 7d61ee513236..76798948a551 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dbee0c6fb4c1269b2dfc8b0b7a29907ea7fed560
+refs/heads/master: e6b866e954a7f0d0144a951c158f3922dac1e6b9
diff --git a/trunk/arch/arm/kernel/smp.c b/trunk/arch/arm/kernel/smp.c
index ebd8ad274d76..199558b9462e 100644
--- a/trunk/arch/arm/kernel/smp.c
+++ b/trunk/arch/arm/kernel/smp.c
@@ -134,8 +134,11 @@ int __cpu_disable(void)
 	/*
 	 * Flush user cache and TLB mappings, and then remove this CPU
 	 * from the vm mask set of all processes.
+	 *
+	 * Caches are flushed to the Level of Unification Inner Shareable
+	 * to write-back dirty lines to unified caches shared by all CPUs.
 	 */
-	flush_cache_all();
+	flush_cache_louis();
 	local_flush_tlb_all();
 
 	clear_tasks_mm_cpumask(cpu);