diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 19:04:15 +0000 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 19:06:24 +0000 |
| commit | a7790532f5b7358c33a6b1834dc2b318de209f31 (patch) | |
| tree | 0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /kernel/time/clockevents.c | |
| parent | 2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'kernel/time/clockevents.c')
| -rw-r--r-- | kernel/time/clockevents.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 3d5fc0fd1cca..d7395fdfb9f3 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -238,8 +238,9 @@ void clockevents_exchange_device(struct clock_event_device *old, */ void clockevents_notify(unsigned long reason, void *arg) { - struct list_head *node, *tmp; + struct clock_event_device *dev, *tmp; unsigned long flags; + int cpu; raw_spin_lock_irqsave(&clockevents_lock, flags); clockevents_do_notify(reason, arg); @@ -250,8 +251,20 @@ void clockevents_notify(unsigned long reason, void *arg) * Unregister the clock event devices which were * released from the users in the notify chain. */ - list_for_each_safe(node, tmp, &clockevents_released) - list_del(node); + list_for_each_entry_safe(dev, tmp, &clockevents_released, list) + list_del(&dev->list); + /* + * Now check whether the CPU has left unused per cpu devices + */ + cpu = *((int *)arg); + list_for_each_entry_safe(dev, tmp, &clockevent_devices, list) { + if (cpumask_test_cpu(cpu, dev->cpumask) && + cpumask_weight(dev->cpumask) == 1 && + !tick_is_broadcast_device(dev)) { + BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED); + list_del(&dev->list); + } + } break; default: break; |