sched-dump-preempt_count-and-offset-values-in-__migh.patch

From 85caba618f2b4b4d9bbafed11dc4c78c24c87222 Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Sat, 22 Jan 2011 17:13:14 -0500
Subject: [PATCH] sched: dump preempt_count and offset values in __might_sleep()

This is one of several extractions from the merge up to 33-rc8.

See it in a git tip repo with:

   git diff 5f854cfc024622e4aae14d7cf422f6ff86278688^2 \
	5f854cfc024622e4aae14d7cf422f6ff86278688 kernel/sched.c

You can find the origin of this change in the tip merge commit:

     commit 5f854cfc024622e4aae14d7cf422f6ff86278688
     Merge: cc24da0 4ec62b2
     Author: Thomas Gleixner <tglx@linutronix.de>
     Date:   Sun Feb 21 20:17:22 2010 +0100

         Forward to 2.6.33-rc8

         Merge branch 'linus' into rt/head with a pile of conflicts.

         Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Normally there are not significant changes/additions in a merge commit that
are not from any other "normal" commit.  But in this case there are, so
break them out into separate explicit commits.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/kernel/sched.c b/kernel/sched.c
index a4c9f95..29349e0 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -10108,7 +10108,8 @@ void __might_sleep(char *file, int line, int preempt_offset)
 		"BUG: sleeping function called from invalid context at %s:%d\n",
 			file, line);
 	printk(KERN_ERR
-		"in_atomic(): %d, irqs_disabled(): %d, pid: %d, name: %s\n",
+		"pcnt: %x %d in_atomic(): %d, irqs_disabled(): %d, pid: %d, name: %s\n",
+			preempt_count(), preempt_offset,
 			in_atomic(), irqs_disabled(),
 			current->pid, current->comm);
 
-- 
1.7.1.1