drivers/clocksource: Replace __get_cpu_var used for address calculation

Replace __get_cpu_var used for address calculation with this_cpu_ptr.

Acked-by: James Hogan <[e-mail]>
Signed-off-by: Christoph Lameter <[e-mail]>
Signed-off-by: Tejun Heo <[e-mail]>

drivers/clocksource/metag_generic.c

···
 
 static irqreturn_t metag_timer_interrupt(int irq, void *dummy)
 {
-	struct clock_event_device *evt = &__get_cpu_var(local_clockevent);
+	struct clock_event_device *evt = this_cpu_ptr(&local_clockevent);
 
 	evt->event_handler(evt);