1 files changed, 6 insertions, 4 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index 9a2264fc42ca..ab3ffc5b3b64 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1074,21 +1074,23 @@ static DEFINE_PER_CPU(int, printk_pending);
 
 void printk_tick(void)
 {
-        if (__get_cpu_var(printk_pending)) {
-                __get_cpu_var(printk_pending) = 0;
+        if (__this_cpu_read(printk_pending)) {
+                __this_cpu_write(printk_pending, 0);
                 wake_up_interruptible(&log_wait);
         }
 }
 
 int printk_needs_cpu(int cpu)
 {
-        return per_cpu(printk_pending, cpu);
+        if (cpu_is_offline(cpu))
+                printk_tick();
+        return __this_cpu_read(printk_pending);
 }
 
 void wake_up_klogd(void)
 {
         if (waitqueue_active(&log_wait))
-                __raw_get_cpu_var(printk_pending) = 1;
+                this_cpu_write(printk_pending, 1);
 }
 
 /**