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-rw-r--r--src/utest/smp/smp_assigned_idle_cores_tc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/utest/smp/smp_assigned_idle_cores_tc.c b/src/utest/smp/smp_assigned_idle_cores_tc.c
index 74e31760f3..94092959f9 100644
--- a/src/utest/smp/smp_assigned_idle_cores_tc.c
+++ b/src/utest/smp/smp_assigned_idle_cores_tc.c
@@ -49,7 +49,8 @@
#define THREAD_STACK_SIZE UTEST_THR_STACK_SIZE
#define THREAD_PRIORITY 20
static rt_thread_t threads[RT_CPUS_NR - 1];
-static int tick = 0, finish_flag = 0;
+static int tick = 0;
+static rt_align(sizeof(rt_ubase_t)) int finish_flag = 0;
static int num = 0;
/* thread entry function */
static void thread_entry(void *parameter)