1 files changed, 4 insertions, 1 deletions

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index ebd8ad274d76..199558b9462e 100644
--- a/arch/arm/kernel/smp.c
+++ b/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);