From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Thu, 10 Nov 2011 23:59:58 +0000 (-0800)
Subject: kdb: Make KDB use the new is_idle_task() API
X-Git-Tag: upstream/snapshot3+hdmi~8461^2^2~28
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7fc20c5cbdd184f32cb0f886f1a069f123f5787a;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

kdb: Make KDB use the new is_idle_task() API

Change from direct comparison of ->pid with zero to is_idle_task().

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---

diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index 5532dd3..7d6fb40 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -636,7 +636,7 @@ char kdb_task_state_char (const struct task_struct *p)
 		(p->exit_state & EXIT_ZOMBIE) ? 'Z' :
 		(p->exit_state & EXIT_DEAD) ? 'E' :
 		(p->state & TASK_INTERRUPTIBLE) ? 'S' : '?';
-	if (p->pid == 0) {
+	if (is_idle_task(p)) {
 		/* Idle task.  Is it really idle, apart from the kdb
 		 * interrupt? */
 		if (!kdb_task_has_cpu(p) || kgdb_info[cpu].irq_depth == 1) {