linux-kernel - [PATCH] softlockup_tick needs to initialize regs

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Message-ID: <20070914161503.GA7049@c2.user-mode-linux.org>
Date:	Fri, 14 Sep 2007 12:15:03 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] softlockup_tick needs to initialize regs

softlockup-improve-debug-output.patch introduces a regs, but fails to
initialize it.

Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
---
 kernel/softlockup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.22/kernel/softlockup.c
===================================================================
--- linux-2.6.22.orig/kernel/softlockup.c	2007-09-02 14:06:00.000000000 -0400
+++ linux-2.6.22/kernel/softlockup.c	2007-09-14 12:05:51.000000000 -0400
@@ -80,7 +80,7 @@ void softlockup_tick(void)
 	int this_cpu = smp_processor_id();
 	unsigned long touch_timestamp = per_cpu(touch_timestamp, this_cpu);
 	unsigned long print_timestamp;
-	struct pt_regs *regs;
+	struct pt_regs *regs = get_irq_regs();
 	unsigned long now;
 
 	if (touch_timestamp == 0) {
-
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