console-rt-support.patch

From 9320fcc18828cc6fd81643e90156f7727441bf6b Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:30:15 -0500
Subject: [PATCH] console: rt support

commit 76a0a41f5ee87263c88f83798eeeed5015fd720f in tip.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/video/console/fbcon.c |    1 +
 include/linux/console.h       |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index b0a3fa0..f6a4ed6 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -3276,6 +3276,7 @@ static const struct consw fb_con = {
 	.con_screen_pos 	= fbcon_screen_pos,
 	.con_getxy 		= fbcon_getxy,
 	.con_resize             = fbcon_resize,
+	.con_preemptible 	= 1,
 };
 
 static struct notifier_block fbcon_event_notifier = {
diff --git a/include/linux/console.h b/include/linux/console.h
index dcca533..7c2c9ae 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -55,6 +55,7 @@ struct consw {
 	void	(*con_invert_region)(struct vc_data *, u16 *, int);
 	u16    *(*con_screen_pos)(struct vc_data *, int);
 	unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *);
+	int	con_preemptible; // can it reschedule from within printk?
 };
 
 extern const struct consw *conswitchp;
-- 
1.7.0.4