X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fhrtimer.c;h=2b465dfde4269b6d4609957999c9eecb0a148a36;hb=404443081ce5e6f68b5f7eda16c959835ff200c0;hp=4fc41414fc068395b7202ec80e39ce404812efa7;hpb=643bdf68f92a8516574ed7ca3713f9334c331b8d;p=linux-2.6-omap-h63xx.git diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 4fc41414fc0..2b465dfde42 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -1461,9 +1461,7 @@ void hrtimer_run_queues(void) if (!base->first) continue; - if (base->get_softirq_time) - base->softirq_time = base->get_softirq_time(); - else if (gettime) { + if (gettime) { hrtimer_get_softirq_time(cpu_base); gettime = 0; } @@ -1752,9 +1750,11 @@ static void migrate_hrtimers(int cpu) new_base = &get_cpu_var(hrtimer_bases); tick_cancel_sched_timer(cpu); - - local_irq_disable(); - spin_lock(&new_base->lock); + /* + * The caller is globally serialized and nobody else + * takes two locks at once, deadlock is not possible. + */ + spin_lock_irq(&new_base->lock); spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING); for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) { @@ -1767,8 +1767,7 @@ static void migrate_hrtimers(int cpu) raise = 1; spin_unlock(&old_base->lock); - spin_unlock(&new_base->lock); - local_irq_enable(); + spin_unlock_irq(&new_base->lock); put_cpu_var(hrtimer_bases); if (raise)