diff options
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/clocksource.c | 16 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 4 |
2 files changed, 9 insertions, 11 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 548c436a776b..7f60097d443a 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -141,13 +141,8 @@ static void clocksource_watchdog(unsigned long data) } if (!list_empty(&watchdog_list)) { - /* Cycle through CPUs to check if the CPUs stay synchronized to - * each other. */ - int next_cpu = next_cpu(raw_smp_processor_id(), cpu_online_map); - if (next_cpu >= NR_CPUS) - next_cpu = first_cpu(cpu_online_map); - watchdog_timer.expires += WATCHDOG_INTERVAL; - add_timer_on(&watchdog_timer, next_cpu); + __mod_timer(&watchdog_timer, + watchdog_timer.expires + WATCHDOG_INTERVAL); } spin_unlock(&watchdog_lock); } @@ -169,7 +164,7 @@ static void clocksource_check_watchdog(struct clocksource *cs) if (!started && watchdog) { watchdog_last = watchdog->read(); watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL; - add_timer_on(&watchdog_timer, first_cpu(cpu_online_map)); + add_timer(&watchdog_timer); } } else { if (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS) @@ -179,7 +174,7 @@ static void clocksource_check_watchdog(struct clocksource *cs) if (watchdog) del_timer(&watchdog_timer); watchdog = cs; - init_timer_deferrable(&watchdog_timer); + init_timer(&watchdog_timer); watchdog_timer.function = clocksource_watchdog; /* Reset watchdog cycles */ @@ -190,8 +185,7 @@ static void clocksource_check_watchdog(struct clocksource *cs) watchdog_last = watchdog->read(); watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL; - add_timer_on(&watchdog_timer, - first_cpu(cpu_online_map)); + add_timer(&watchdog_timer); } } } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 671af612b768..a3fa587c350c 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -191,8 +191,12 @@ static void change_clocksource(void) tick_clock_notify(); + /* + * We're holding xtime lock and waking up klogd would deadlock + * us on enqueue. So no printing! printk(KERN_INFO "Time: %s clocksource has been installed.\n", clock->name); + */ } #else static inline void change_clocksource(void) { } |