1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 7430e87d7352..454b65898e2c 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -46,6 +46,7 @@
 #include <linux/jiffies.h>
 #include <linux/syscalls.h>
 #include <linux/of.h>
+#include <linux/rcupdate.h>
 
 #include <asm/ptrace.h>
 #include <asm/irq_regs.h>
@@ -511,6 +512,7 @@ void __handle_sysrq(int key, bool check_mask)
         int orig_log_level;
         int i;
 
+        rcu_sysrq_start();
         rcu_read_lock();
         /*
          * Raise the apparent loglevel to maximum so that the sysrq header
@@ -554,6 +556,7 @@ void __handle_sysrq(int key, bool check_mask)
                 console_loglevel = orig_log_level;
         }
         rcu_read_unlock();
+        rcu_sysrq_end();
 }
 
 void handle_sysrq(int key)