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Diffstat (limited to 'arch/ia64/kernel/time.c')
-rw-r--r--arch/ia64/kernel/time.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 16bb6eda879..01cd43e491c 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -116,29 +116,32 @@ void vtime_task_switch(struct task_struct *prev)
* Account time for a transition between system, hard irq or soft irq state.
* Note that this function is called with interrupts enabled.
*/
-void vtime_account(struct task_struct *tsk)
+static cputime_t vtime_delta(struct task_struct *tsk)
{
struct thread_info *ti = task_thread_info(tsk);
- unsigned long flags;
cputime_t delta_stime;
__u64 now;
- local_irq_save(flags);
-
now = ia64_get_itc();
delta_stime = cycle_to_cputime(ti->ac_stime + (now - ti->ac_stamp));
- if (irq_count() || idle_task(smp_processor_id()) != tsk)
- account_system_time(tsk, 0, delta_stime, delta_stime);
- else
- account_idle_time(delta_stime);
ti->ac_stime = 0;
-
ti->ac_stamp = now;
- local_irq_restore(flags);
+ return delta_stime;
+}
+
+void vtime_account_system(struct task_struct *tsk)
+{
+ cputime_t delta = vtime_delta(tsk);
+
+ account_system_time(tsk, 0, delta, delta);
+}
+
+void vtime_account_idle(struct task_struct *tsk)
+{
+ account_idle_time(vtime_delta(tsk));
}
-EXPORT_SYMBOL_GPL(vtime_account);
/*
* Called from the timer interrupt handler to charge accumulated user time