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Diffstat (limited to 'kernel/hrtimer.c')
-rw-r--r--kernel/hrtimer.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 98bee013f71f..c642ef75069f 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1354,13 +1354,13 @@ long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
struct hrtimer_sleeper t;
struct timespec __user *rmtp;
- hrtimer_init(&t.timer, restart->arg0, HRTIMER_MODE_ABS);
- t.timer.expires.tv64 = ((u64)restart->arg3 << 32) | (u64) restart->arg2;
+ hrtimer_init(&t.timer, restart->nanosleep.index, HRTIMER_MODE_ABS);
+ t.timer.expires.tv64 = restart->nanosleep.expires;
if (do_nanosleep(&t, HRTIMER_MODE_ABS))
return 0;
- rmtp = (struct timespec __user *)restart->arg1;
+ rmtp = restart->nanosleep.rmtp;
if (rmtp) {
int ret = update_rmtp(&t.timer, rmtp);
if (ret <= 0)
@@ -1394,10 +1394,9 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
restart = &current_thread_info()->restart_block;
restart->fn = hrtimer_nanosleep_restart;
- restart->arg0 = (unsigned long) t.timer.base->index;
- restart->arg1 = (unsigned long) rmtp;
- restart->arg2 = t.timer.expires.tv64 & 0xFFFFFFFF;
- restart->arg3 = t.timer.expires.tv64 >> 32;
+ restart->nanosleep.index = t.timer.base->index;
+ restart->nanosleep.rmtp = rmtp;
+ restart->nanosleep.expires = t.timer.expires.tv64;
return -ERESTART_RESTARTBLOCK;
}
@@ -1425,7 +1424,6 @@ static void __cpuinit init_hrtimers_cpu(int cpu)
int i;
spin_lock_init(&cpu_base->lock);
- lockdep_set_class(&cpu_base->lock, &cpu_base->lock_key);
for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++)
cpu_base->clock_base[i].cpu_base = cpu_base;
@@ -1466,16 +1464,16 @@ static void migrate_hrtimers(int cpu)
tick_cancel_sched_timer(cpu);
local_irq_disable();
- double_spin_lock(&new_base->lock, &old_base->lock,
- smp_processor_id() < cpu);
+ spin_lock(&new_base->lock);
+ spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
migrate_hrtimer_list(&old_base->clock_base[i],
&new_base->clock_base[i]);
}
- double_spin_unlock(&new_base->lock, &old_base->lock,
- smp_processor_id() < cpu);
+ spin_unlock(&old_base->lock);
+ spin_unlock(&new_base->lock);
local_irq_enable();
put_cpu_var(hrtimer_bases);
}