Hi,
This changes __do_softirq() to use a C looping construct instead of

simulating one by means of goto.
Signed-off-by: Johannes Weiner <hannes-kernel@saeurebad.de>
diff --git a/kernel/softirq.c b/kernel/softirq.c

index 0f546dd..bacee6b 100644

--- a/kernel/softirq.c

+++ b/kernel/softirq.c

@@ -212,38 +212,37 @@ asmlinkage void __do_softirq(void)

 	int max_restart = MAX_SOFTIRQ_RESTART;

 	int cpu;
-	pending = local_softirq_pending();

 	account_system_vtime(current);
 	__local_bh_disable((unsigned long)__builtin_return_address(0));

 	trace_softirq_enter();
 	cpu = smp_processor_id();

-restart:

-	/* Reset the pending bitmask before enabling irqs */

-	set_softirq_pending(0);
-	local_irq_enable();

+	while ((pending = local_softirq_pending())) {

+		if (!max_restart--) {

+			wakeup_softirqd();

+			break;

+		}
-	h = softirq_vec;

+		/* Reset the pending bitmask before enabling irqs */

+		set_softirq_pending(0);
-	do {

-		if (pending & 1) {

-			h->action(h);

-			rcu_bh_qsctr_inc(cpu);

-		}

-		h++;

-		pending >>= 1;

-	} while (pending);

+		local_irq_enable();
-	local_irq_disable();

+		h = softirq_vec;
-	pending = local_softirq_pending();

-	if (pending && --max_restart)

-		goto restart;

+		do {

+			if (pending & 1) {

+				h->action(h);

+				rcu_bh_qsctr_inc(cpu);

+			}

+			h++;

+			pending >>= 1;

+		} while (pending);
-	if (pending)

-		wakeup_softirqd();

+		local_irq_disable();

+	}
 	trace_softirq_exit();

-

I've read over the logic three times and it seems to keep with the

original design.  So unless I missed something ...
Acked-by: Steven Rostedt <rostedt@goodmis.org>
-- Steve
-