Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

[linux-2.6-omap-h63xx.git] / arch / s390 / kernel / vtime.c

diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 9d5b02801b460882cde4928b2a87d2c905f6f0b6..c5f05b3fb2c30f1548a062280be08fc12411340d 100644 (file)
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -32,7 +32,7 @@ static DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);
  * Update process times based on virtual cpu times stored by entry.S
  * to the lowcore fields user_timer, system_timer & steal_clock.
  */
-void account_tick_vtime(struct task_struct *tsk)
+void account_process_tick(struct task_struct *tsk, int user_tick)
 {
        cputime_t cputime;
        __u64 timer, clock;
@@ -64,12 +64,6 @@ void account_tick_vtime(struct task_struct *tsk)
                S390_lowcore.steal_clock -= cputime << 12;
                account_steal_time(tsk, cputime);
        }
-
-       run_local_timers();
-       if (rcu_pending(smp_processor_id()))
-               rcu_check_callbacks(smp_processor_id(), rcu_user_flag);
-       scheduler_tick();
-       run_posix_cpu_timers(tsk);
 }
 
 /*
@@ -128,7 +122,7 @@ 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 +131,7 @@ 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 +139,7 @@ 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 +153,7 @@ 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 +213,7 @@ 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 +238,6 @@ 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 +246,7 @@ 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);
@@ -417,7 +409,7 @@ EXPORT_SYMBOL(add_virt_timer_periodic);
 
 /*
  * If we change a pending timer the function must be called on the CPU
- * where the timer is running on, e.g. by smp_call_function_on()
+ * where the timer is running on, e.g. by smp_call_function_single()
  *
  * The original mod_timer adds the timer if it is not pending. For compatibility
  * we do the same. The timer will be added on the current CPU as a oneshot timer.
@@ -534,7 +526,7 @@ 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;
@@ -547,10 +539,10 @@ static int vtimer_idle_notify(struct notifier_block *self,
                              unsigned long action, void *hcpu)
 {
        switch (action) {
-       case CPU_IDLE:
+       case S390_CPU_IDLE:
                stop_cpu_timer();
                break;
-       case CPU_NOT_IDLE:
+       case S390_CPU_NOT_IDLE:
                start_cpu_timer();
                break;
        }