--- zzzz-none-000/linux-2.6.19.2/kernel/delayacct.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/kernel/delayacct.c	2007-01-11 07:38:19.000000000 +0000
@@ -66,7 +66,6 @@
 {
 	struct timespec ts;
 	s64 ns;
-	unsigned long flags;
 
 	do_posix_clock_monotonic_gettime(end);
 	ts = timespec_sub(*end, *start);
@@ -74,10 +73,10 @@
 	if (ns < 0)
 		return;
 
-	spin_lock_irqsave(&current->delays->lock, flags);
+	spin_lock(&current->delays->lock);
 	*total += ns;
 	(*count)++;
-	spin_unlock_irqrestore(&current->delays->lock, flags);
+	spin_unlock(&current->delays->lock);
 }
 
 void __delayacct_blkio_start(void)
@@ -105,7 +104,6 @@
 	s64 tmp;
 	struct timespec ts;
 	unsigned long t1,t2,t3;
-	unsigned long flags;
 
 	/* Though tsk->delays accessed later, early exit avoids
 	 * unnecessary returning of other data
@@ -138,14 +136,14 @@
 
 	/* zero XXX_total, non-zero XXX_count implies XXX stat overflowed */
 
-	spin_lock_irqsave(&tsk->delays->lock, flags);
+	spin_lock(&tsk->delays->lock);
 	tmp = d->blkio_delay_total + tsk->delays->blkio_delay;
 	d->blkio_delay_total = (tmp < d->blkio_delay_total) ? 0 : tmp;
 	tmp = d->swapin_delay_total + tsk->delays->swapin_delay;
 	d->swapin_delay_total = (tmp < d->swapin_delay_total) ? 0 : tmp;
 	d->blkio_count += tsk->delays->blkio_count;
 	d->swapin_count += tsk->delays->swapin_count;
-	spin_unlock_irqrestore(&tsk->delays->lock, flags);
+	spin_unlock(&tsk->delays->lock);
 
 done:
 	return 0;
@@ -154,12 +152,11 @@
 __u64 __delayacct_blkio_ticks(struct task_struct *tsk)
 {
 	__u64 ret;
-	unsigned long flags;
 
-	spin_lock_irqsave(&tsk->delays->lock, flags);
+	spin_lock(&tsk->delays->lock);
 	ret = nsec_to_clock_t(tsk->delays->blkio_delay +
 				tsk->delays->swapin_delay);
-	spin_unlock_irqrestore(&tsk->delays->lock, flags);
+	spin_unlock(&tsk->delays->lock);
 	return ret;
 }