From d4e43c2199382472bf3de0c6ff70404815ff5019 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sat, 24 May 2008 19:36:34 +0400
Subject: [PATCH] --- yaml --- r: 99805 b: refs/heads/master c:
 d1b946b97d71423f365fa797d1428e1847c0bec1 h: refs/heads/master i:   99803:
 0e2ef83a87448057369eedec2cc34ea2f7d11648 v: v3

---
 [refs]                         |  2 +-
 trunk/arch/x86/kernel/nmi_32.c | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 6d843c14947e..9673cf2089f2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c6425b9f143a75bbcd0a7684b4df40e20d0b2f32
+refs/heads/master: d1b946b97d71423f365fa797d1428e1847c0bec1
diff --git a/trunk/arch/x86/kernel/nmi_32.c b/trunk/arch/x86/kernel/nmi_32.c
index bd04a28f7a5c..4437fe1edabc 100644
--- a/trunk/arch/x86/kernel/nmi_32.c
+++ b/trunk/arch/x86/kernel/nmi_32.c
@@ -42,6 +42,7 @@ static cpumask_t backtrace_mask = CPU_MASK_NONE;
  *  0: the lapic NMI watchdog is disabled, but can be enabled
  */
 atomic_t nmi_active = ATOMIC_INIT(0);		/* oprofile uses this */
+static int panic_on_timeout;
 
 unsigned int nmi_watchdog = NMI_DEFAULT;
 static unsigned int nmi_hz = HZ;
@@ -140,6 +141,14 @@ static int __init setup_nmi_watchdog(char *str)
 {
 	int nmi;
 
+	if (!strncmp(str, "panic", 5)) {
+		panic_on_timeout = 1;
+		str = strchr(str, ',');
+		if (!str)
+			return 1;
+		++str;
+	}
+
 	get_option(&str, &nmi);
 
 	if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
@@ -374,7 +383,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
 			 * die_nmi will return ONLY if NOTIFY_STOP happens..
 			 */
 			die_nmi("BUG: NMI Watchdog detected LOCKUP",
-				regs, 0);
+				regs, panic_on_timeout);
 	} else {
 		__get_cpu_var(last_irq_sum) = sum;
 		local_set(&__get_cpu_var(alert_counter), 0);