From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Rostedt <rostedt@goodmis.org>
Subject: [PATCH RT] Remove double warning print with faulty preempt disable
	nesting
Date: Tue, 19 Jun 2007 16:23:47 -0400
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Cc: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>,
	RT <linux-rt-users@vger.kernel.org>
To: Ingo Molnar <mingo@elte.hu>
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On a faulty preempt disable bug we print out a warning but then we go
and call preempt_enable_no_resched, which also can print out a warning.
This is redundant.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Index: linux-2.6.21-rt9/lib/smp_processor_id.c
===================================================================
--- linux-2.6.21-rt9.orig/lib/smp_processor_id.c
+++ linux-2.6.21-rt9/lib/smp_processor_id.c
@@ -47,7 +47,11 @@ unsigned int notrace debug_smp_processor
 	dump_stack();
 
 out_enable:
-	preempt_enable_no_resched();
+	/*
+	 * Don't print message if we enable to zero.
+	 * We arleady printed a warning up above.
+	 */
+	__preempt_enable_no_resched();
 out:
 	return this_cpu;
 }