X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftime.c;h=b1f8b0752419d8514763d6ca297674e6e7ceb03e;hb=9cdd79c9b99873d600d397fda012fc3f57cc2776;hp=552ca1cb9847d854ed9ba704cbd3b8cad56199aa;hpb=4bf311ddfbffe12d41ad1a3c311ab727db6f72cb;p=pandora-kernel.git

diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 552ca1cb9847..b1f8b0752419 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -35,34 +35,31 @@ unsigned long long sched_clock(void)
 	return (unsigned long long)jiffies_64 * (1000000000 / HZ);
 }
 
-/* Changed at early boot */
-int timer_irq_inited = 0;
-
-static unsigned long long prev_nsecs;
+static unsigned long long prev_nsecs[NR_CPUS];
 #ifdef CONFIG_UML_REAL_TIME_CLOCK
-static long long delta;   		/* Deviation per interval */
+static long long delta[NR_CPUS];		/* Deviation per interval */
 #endif
 
 void timer_irq(union uml_pt_regs *regs)
 {
 	unsigned long long ticks = 0;
-
 #ifdef CONFIG_UML_REAL_TIME_CLOCK
-	if(prev_nsecs){
+	int c = cpu();
+	if(prev_nsecs[c]){
 		/* We've had 1 tick */
 		unsigned long long nsecs = os_nsecs();
 
-		delta += nsecs - prev_nsecs;
-		prev_nsecs = nsecs;
+		delta[c] += nsecs - prev_nsecs[c];
+		prev_nsecs[c] = nsecs;
 
 		/* Protect against the host clock being set backwards */
-		if(delta < 0)
-			delta = 0;
+		if(delta[c] < 0)
+			delta[c] = 0;
 
-		ticks += (delta * HZ) / BILLION;
-		delta -= (ticks * BILLION) / HZ;
+		ticks += (delta[c] * HZ) / BILLION;
+		delta[c] -= (ticks * BILLION) / HZ;
 	}
-	else prev_nsecs = os_nsecs();
+	else prev_nsecs[c] = os_nsecs();
 #else
 	ticks = 1;
 #endif
@@ -72,8 +69,8 @@ void timer_irq(union uml_pt_regs *regs)
 	}
 }
 
+/* Protects local_offset */
 static DEFINE_SPINLOCK(timer_spinlock);
-
 static unsigned long long local_offset = 0;
 
 static inline unsigned long long get_time(void)
@@ -89,16 +86,16 @@ static inline unsigned long long get_time(void)
 	return nsecs;
 }
 
-irqreturn_t um_timer(int irq, void *dev, struct pt_regs *regs)
+irqreturn_t um_timer(int irq, void *dev)
 {
 	unsigned long long nsecs;
 	unsigned long flags;
 
 	write_seqlock_irqsave(&xtime_lock, flags);
 
-	do_timer(regs);
+	do_timer(1);
 
-	nsecs = get_time() + local_offset;
+	nsecs = get_time();
 	xtime.tv_sec = nsecs / NSEC_PER_SEC;
 	xtime.tv_nsec = nsecs - xtime.tv_sec * NSEC_PER_SEC;
 
@@ -113,12 +110,13 @@ static void register_timer(void)
 
 	err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL);
 	if(err != 0)
-		printk(KERN_ERR "timer_init : request_irq failed - "
+		printk(KERN_ERR "register_timer : request_irq failed - "
 		       "errno = %d\n", -err);
 
-	timer_irq_inited = 1;
-
-	user_time_init();
+	err = set_interval(1);
+	if(err != 0)
+		printk(KERN_ERR "register_timer : set_interval failed - "
+		       "errno = %d\n", -err);
 }
 
 extern void (*late_time_init)(void);