---

yaml
---
r: 677
b: refs/heads/master
c: ad67142
h: refs/heads/master
i:
  675: a084806
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f9ba70535dc12d9eb57d466a2ecd749e16eca866
+refs/heads/master: ad6714230f2269d5d7db2cd1900fe7bfc7aa76dc

trunk/arch/i386/kernel/vm86.c

@@ -717,12 +717,12 @@ static irqreturn_t irq_handler(int intno, void *dev_id, struct pt_regs * regs)
 	irqbits |= irq_bit;
 	if (vm86_irqs[intno].sig)
 		send_sig(vm86_irqs[intno].sig, vm86_irqs[intno].tsk, 1);
-	spin_unlock_irqrestore(&irqbits_lock, flags);
 	/*
 	 * IRQ will be re-enabled when user asks for the irq (whether
 	 * polling or as a result of the signal)
 	 */
-	disable_irq(intno);
+	disable_irq_nosync(intno);
+	spin_unlock_irqrestore(&irqbits_lock, flags);
 	return IRQ_HANDLED;
 
 out:
@@ -754,17 +754,20 @@ static inline int get_and_reset_irq(int irqnumber)
 {
 	int bit;
 	unsigned long flags;
+	int ret = 0;
 
 	if (invalid_vm86_irq(irqnumber)) return 0;
 	if (vm86_irqs[irqnumber].tsk != current) return 0;
 	spin_lock_irqsave(&irqbits_lock, flags);	
 	bit = irqbits & (1 << irqnumber);
 	irqbits &= ~bit;
+	if (bit) {
+		enable_irq(irqnumber);
+		ret = 1;
+	}
+
 	spin_unlock_irqrestore(&irqbits_lock, flags);	
-	if (!bit)
-		return 0;
-	enable_irq(irqnumber);
-	return 1;
+	return ret;
 }