hrtimer: Simplify get_target_base() by returning current base

Instead of fetching again the current cpu base, just take it from the
parameter.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1439907509-9553-2-git-send-email-fweisbec@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

kernel/time/hrtimer.c

@@ -183,7 +183,7 @@ struct hrtimer_cpu_base *get_target_base(struct hrtimer_cpu_base *base,
 					 int pinned)
 {
 	if (pinned || !base->migration_enabled)
-		return this_cpu_ptr(&hrtimer_bases);
+		return base;
 	return &per_cpu(hrtimer_bases, get_nohz_timer_target());
 }
 #else
@@ -191,7 +191,7 @@ static inline
 struct hrtimer_cpu_base *get_target_base(struct hrtimer_cpu_base *base,
 					 int pinned)
 {
-	return this_cpu_ptr(&hrtimer_bases);
+	return base;
 }
 #endif