frv: Switch do_timer() to xtime_update()

__set_LEDS() does not need to be protected by xtime_lock.
its used unprotected in other places.

[ tglx: Removed stale comment ]

Signed-off-by: Torben Hohn <[email protected]>
Cc: [email protected]
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: David Howells <[email protected]>
Cc: [email protected]
LKML-Reference: <20110127145946.23248.57952.stgit@localhost>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Torben Hohn 2011-01-27 15:59:46 +01:00 • committed by Thomas Gleixner
commit 57464bd87f

View file

@ -50,21 +50,13 @@ static struct irqaction timer_irq = {
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
* as well as call the "xtime_update()" routine every clocktick
*/
static irqreturn_t timer_interrupt(int irq, void *dummy)
{
profile_tick(CPU_PROFILING);
/*
* Here we are in the timer irq handler. We just have irqs locally
* disabled but we don't know if the timer_bh is running on the other
* CPU. We need to avoid to SMP race with it. NOTE: we don't need
* the irq version of write_lock because as just said we have irq
* locally disabled. -arca
*/
write_seqlock(&xtime_lock);
do_timer(1);
xtime_update(1);
#ifdef CONFIG_HEARTBEAT
static unsigned short n;
@ -72,8 +64,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy)
__set_LEDS(n);
#endif /* CONFIG_HEARTBEAT */
write_sequnlock(&xtime_lock);
update_process_times(user_mode(get_irq_regs()));
return IRQ_HANDLED;