rcu: reduce the number of spurious RCU_SOFTIRQ invocations

[safe/jmp/linux-2.6] / kernel / time / clocksource.c

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 1f663d2..1f5dde6 100644 (file)
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -592,6 +592,10 @@ static inline void clocksource_select(void) { }
  */
 static int __init clocksource_done_booting(void)
 {
+       mutex_lock(&clocksource_mutex);
+       curr_clocksource = clocksource_default_clock();
+       mutex_unlock(&clocksource_mutex);
+
        finished_booting = 1;
 
        /*