From a36df98ab1cdd8a9e7daa4c1b5c48ffa2ad6ea09 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Thu, 7 Dec 2006 02:14:12 +0100
Subject: [PATCH] [PATCH] i386: touch softlockup during backtracing

Sometimes the soft watchdog fires after we're done oopsing.
See http://projects.info-pull.com/mokb/MOKB-25-11-2006.html for an example.

AK: changed to touch_nmi_watchdog()

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
---
 arch/i386/kernel/traps.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 1d48a75fa3..86d8476be4 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -29,6 +29,7 @@
 #include <linux/kexec.h>
 #include <linux/unwind.h>
 #include <linux/uaccess.h>
+#include <linux/nmi.h>
 
 #ifdef CONFIG_EISA
 #include <linux/ioport.h>
@@ -248,6 +249,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
 		stack = (unsigned long*)context->previous_esp;
 		if (!stack)
 			break;
+		touch_nmi_watchdog();
 	}
 }
 EXPORT_SYMBOL(dump_trace);
-- 
2.39.5