drm/xe/vm: Avoid reserving zero fences

[linux-2.6-microblaze.git] / kernel / delayacct.c

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index e39cb69..6f0c358 100644 (file)
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -179,12 +179,15 @@ int delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
        d->compact_delay_total = (tmp < d->compact_delay_total) ? 0 : tmp;
        tmp = d->wpcopy_delay_total + tsk->delays->wpcopy_delay;
        d->wpcopy_delay_total = (tmp < d->wpcopy_delay_total) ? 0 : tmp;
+       tmp = d->irq_delay_total + tsk->delays->irq_delay;
+       d->irq_delay_total = (tmp < d->irq_delay_total) ? 0 : tmp;
        d->blkio_count += tsk->delays->blkio_count;
        d->swapin_count += tsk->delays->swapin_count;
        d->freepages_count += tsk->delays->freepages_count;
        d->thrashing_count += tsk->delays->thrashing_count;
        d->compact_count += tsk->delays->compact_count;
        d->wpcopy_count += tsk->delays->wpcopy_count;
+       d->irq_count += tsk->delays->irq_count;
        raw_spin_unlock_irqrestore(&tsk->delays->lock, flags);
 
        return 0;
@@ -274,3 +277,14 @@ void __delayacct_wpcopy_end(void)
                      &current->delays->wpcopy_delay,
                      &current->delays->wpcopy_count);
 }
+
+void __delayacct_irq(struct task_struct *task, u32 delta)
+{
+       unsigned long flags;
+
+       raw_spin_lock_irqsave(&task->delays->lock, flags);
+       task->delays->irq_delay += delta;
+       task->delays->irq_count++;
+       raw_spin_unlock_irqrestore(&task->delays->lock, flags);
+}
+