1 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/wakeup_reason.h b/include/linux/wakeup_reason.h
index a26b1c998139..ca6226cc1c55 100644
--- a/include/linux/wakeup_reason.h
+++ b/include/linux/wakeup_reason.h
@@ -61,16 +61,22 @@ static inline void start_logging_wakeup_reasons(void)
 {
 	extern bool log_wakeups;
 	extern struct completion wakeups_completion;
-	log_wakeups = true;
+	ACCESS_ONCE(log_wakeups) = true;
 	init_completion(&wakeups_completion);
 }
 
-static inline bool logging_wakeup_reasons(void)
+static inline bool logging_wakeup_reasons_nosync(void)
 {
 	extern bool log_wakeups;
 	return ACCESS_ONCE(log_wakeups);
 }
 
+static inline bool logging_wakeup_reasons(void)
+{
+	smp_rmb();
+	return logging_wakeup_reasons_nosync();
+}
+
 void log_base_wakeup_reason(int irq);
 
 void log_suspend_abort_reason(const char *fmt, ...);