[IA64] - Allow IPIs in timer loop

Allow pending IPIs to interrupt a timer interrupt that is looping in the do_timer() "while" loop in timer_interrupt(). (Interrupts are allowed at only 1 spot in the code). Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
git-mirror · Oct 17, 2006 · accaddb · accaddb
1 parent ffc4557
commit accaddb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
@@ -84,6 +84,12 @@ timer_interrupt (int irq, void *dev_id)
 
 		if (time_after(new_itm, ia64_get_itc()))
 			break;
+
+		/*
+		 * Allow IPIs to interrupt the timer loop.
+		 */
+		local_irq_enable();
+		local_irq_disable();
 	}
 
 	do {