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[S390] vtime: cleanup per_cpu usage. 

Replace per_cpu(... , smp_processor_id()) with __get_cpu_var()

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2007-04-27 16:01:55 +02:00 committed by Martin Schwidefsky
parent 131a395c18
commit db77aa5f3d
1 changed files with 7 additions and 9 deletions
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16
arch/s390/kernel/vtime.c
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@ -128,7 +128,7 @@ static inline void set_vtimer(__u64 expires)
S390_lowcore.last_update_timer = expires;
/* store expire time for this CPU timer */
per_cpu(virt_cpu_timer, smp_processor_id()).to_expire = expires;
__get_cpu_var(virt_cpu_timer).to_expire = expires;
}
#else
static inline void set_vtimer(__u64 expires)
@ -137,7 +137,7 @@ static inline void set_vtimer(__u64 expires)
asm volatile ("SPT %0" : : "m" (S390_lowcore.last_update_timer));
/* store expire time for this CPU timer */
per_cpu(virt_cpu_timer, smp_processor_id()).to_expire = expires;
__get_cpu_var(virt_cpu_timer).to_expire = expires;
}
#endif
@ -145,7 +145,7 @@ static void start_cpu_timer(void)
{
struct vtimer_queue *vt_list;
vt_list = &per_cpu(virt_cpu_timer, smp_processor_id());
vt_list = &__get_cpu_var(virt_cpu_timer);
/* CPU timer interrupt is pending, don't reprogramm it */
if (vt_list->idle & 1LL<<63)
@ -159,7 +159,7 @@ static void stop_cpu_timer(void)
{
struct vtimer_queue *vt_list;
vt_list = &per_cpu(virt_cpu_timer, smp_processor_id());
vt_list = &__get_cpu_var(virt_cpu_timer);
/* nothing to do */
if (list_empty(&vt_list->list)) {
@ -219,7 +219,7 @@ static void do_callbacks(struct list_head *cb_list)
if (list_empty(cb_list))
return;
vt_list = &per_cpu(virt_cpu_timer, smp_processor_id());
vt_list = &__get_cpu_var(virt_cpu_timer);
list_for_each_entry_safe(event, tmp, cb_list, entry) {
fn = event->function;
@ -244,7 +244,6 @@ static void do_callbacks(struct list_head *cb_list)
*/
static void do_cpu_timer_interrupt(__u16 error_code)
{
int cpu;
__u64 next, delta;
struct vtimer_queue *vt_list;
struct vtimer_list *event, *tmp;
@ -253,8 +252,7 @@ static void do_cpu_timer_interrupt(__u16 error_code)
struct list_head cb_list;
INIT_LIST_HEAD(&cb_list);
cpu = smp_processor_id();
vt_list = &per_cpu(virt_cpu_timer, cpu);
vt_list = &__get_cpu_var(virt_cpu_timer);
/* walk timer list, fire all expired events */
spin_lock(&vt_list->lock);
@ -534,7 +532,7 @@ void init_cpu_vtimer(void)
/* enable cpu timer interrupts */
__ctl_set_bit(0,10);
vt_list = &per_cpu(virt_cpu_timer, smp_processor_id());
vt_list = &__get_cpu_var(virt_cpu_timer);
INIT_LIST_HEAD(&vt_list->list);
spin_lock_init(&vt_list->lock);
vt_list->to_expire = 0;