[kernel] 对rt_tick变量增加volatile修饰，防止编译器优化时出现问题

2021-06-03 20:09:26 +08:00 · 2021-06-03 20:09:26 +08:00 · e0b66ccab8
commit e0b66ccab8
parent 52a66cc96f
1 changed files with 1 additions and 1 deletions
--- a/src/clock.c
+++ b/src/clock.c
@ -22,7 +22,7 @@
 #ifdef RT_USING_SMP
 #define rt_tick rt_cpu_index(0)->tick
 #else
-static rt_tick_t rt_tick = 0;
+static volatile rt_tick_t rt_tick = 0;
 #endif

 /**