1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index 9dc8ea140426..2dc36b49d2d2 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1072,13 +1072,15 @@ void printk_tick(void)
 
 int printk_needs_cpu(int cpu)
 {
+        if (unlikely(cpu_is_offline(cpu)))
+                printk_tick();
         return per_cpu(printk_pending, cpu);
 }
 
 void wake_up_klogd(void)
 {
         if (!trace_override && waitqueue_active(&log_wait))
-                __raw_get_cpu_var(printk_pending) = 1;
+                this_cpu_write(printk_pending, 1);
 }
 
 /**