---

yaml
---
r: 26532
b: refs/heads/master
c: 19ca5d2
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5b40e363ad6041a96e3da32281d8faa191597b9
+refs/heads/master: 19ca5d27e15c10d8529984ecd98dcba2637edcd2

trunk/arch/arm/mach-sa1100/irq.c

@@ -199,10 +199,26 @@ static void sa1100_unmask_irq(unsigned int irq)
 	ICMR |= (1 << irq);
 }
 
+/*
+ * Apart form GPIOs, only the RTC alarm can be a wakeup event.
+ */
+static int sa1100_set_wake(unsigned int irq, unsigned int on)
+{
+	if (irq == IRQ_RTCAlrm) {
+		if (on)
+			PWER |= PWER_RTC;
+		else
+			PWER &= ~PWER_RTC;
+		return 0;
+	}
+	return -EINVAL;
+}
+
 static struct irqchip sa1100_normal_chip = {
 	.ack		= sa1100_mask_irq,
 	.mask		= sa1100_mask_irq,
 	.unmask		= sa1100_unmask_irq,
+	.set_wake	= sa1100_set_wake,
 };
 
 static struct resource irq_resource = {

trunk/kernel/ptrace.c

@@ -148,16 +148,12 @@ int ptrace_may_attach(struct task_struct *task)
 int ptrace_attach(struct task_struct *task)
 {
 	int retval;
-
+	task_lock(task);
 	retval = -EPERM;
 	if (task->pid <= 1)
-		goto out;
+		goto bad;
 	if (task->tgid == current->tgid)
-		goto out;
-
-	write_lock_irq(&tasklist_lock);
-	task_lock(task);
-
+		goto bad;
 	/* the same process cannot be attached many times */
 	if (task->ptrace & PT_PTRACED)
 		goto bad;
@@ -170,15 +166,17 @@ int ptrace_attach(struct task_struct *task)
 				      ? PT_ATTACHED : 0);
 	if (capable(CAP_SYS_PTRACE))
 		task->ptrace |= PT_PTRACE_CAP;
+	task_unlock(task);
 
+	write_lock_irq(&tasklist_lock);
 	__ptrace_link(task, current);
+	write_unlock_irq(&tasklist_lock);
 
 	force_sig_specific(SIGSTOP, task);
+	return 0;
 
 bad:
-	write_unlock_irq(&tasklist_lock);
 	task_unlock(task);
-out:
 	return retval;
 }
 
@@ -419,22 +417,21 @@ int ptrace_request(struct task_struct *child, long request,
  */
 int ptrace_traceme(void)
 {
-	int ret = -EPERM;
+	int ret;
 
 	/*
 	 * Are we already being traced?
 	 */
-	task_lock(current);
-	if (!(current->ptrace & PT_PTRACED)) {
-		ret = security_ptrace(current->parent, current);
-		/*
-		 * Set the ptrace bit in the process ptrace flags.
-		 */
-		if (!ret)
-			current->ptrace |= PT_PTRACED;
-	}
-	task_unlock(current);
-	return ret;
+	if (current->ptrace & PT_PTRACED)
+		return -EPERM;
+	ret = security_ptrace(current->parent, current);
+	if (ret)
+		return -EPERM;
+	/*
+	 * Set the ptrace bit in the process ptrace flags.
+	 */
+	current->ptrace |= PT_PTRACED;
+	return 0;
 }
 
 /**