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-rw-r--r--drivers/watchdog/softdog.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index 100b114e3c3c..bf16ffb4d21e 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -48,6 +48,7 @@
48#include <linux/init.h> 48#include <linux/init.h>
49#include <linux/jiffies.h> 49#include <linux/jiffies.h>
50#include <linux/uaccess.h> 50#include <linux/uaccess.h>
51#include <linux/kernel.h>
51 52
52#define PFX "SoftDog: " 53#define PFX "SoftDog: "
53 54
@@ -75,6 +76,11 @@ MODULE_PARM_DESC(soft_noboot,
75 "Softdog action, set to 1 to ignore reboots, 0 to reboot " 76 "Softdog action, set to 1 to ignore reboots, 0 to reboot "
76 "(default depends on ONLY_TESTING)"); 77 "(default depends on ONLY_TESTING)");
77 78
79static int soft_panic;
80module_param(soft_panic, int, 0);
81MODULE_PARM_DESC(soft_panic,
82 "Softdog action, set to 1 to panic, 0 to reboot (default=0)");
83
78/* 84/*
79 * Our timer 85 * Our timer
80 */ 86 */
@@ -98,7 +104,10 @@ static void watchdog_fire(unsigned long data)
98 104
99 if (soft_noboot) 105 if (soft_noboot)
100 printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n"); 106 printk(KERN_CRIT PFX "Triggered - Reboot ignored.\n");
101 else { 107 else if (soft_panic) {
108 printk(KERN_CRIT PFX "Initiating panic.\n");
109 panic("Software Watchdog Timer expired.");
110 } else {
102 printk(KERN_CRIT PFX "Initiating system reboot.\n"); 111 printk(KERN_CRIT PFX "Initiating system reboot.\n");
103 emergency_restart(); 112 emergency_restart();
104 printk(KERN_CRIT PFX "Reboot didn't ?????\n"); 113 printk(KERN_CRIT PFX "Reboot didn't ?????\n");
@@ -267,7 +276,8 @@ static struct notifier_block softdog_notifier = {
267}; 276};
268 277
269static char banner[] __initdata = KERN_INFO "Software Watchdog Timer: 0.07 " 278static char banner[] __initdata = KERN_INFO "Software Watchdog Timer: 0.07 "
270 "initialized. soft_noboot=%d soft_margin=%d sec (nowayout= %d)\n"; 279 "initialized. soft_noboot=%d soft_margin=%d sec soft_panic=%d "
280 "(nowayout= %d)\n";
271 281
272static int __init watchdog_init(void) 282static int __init watchdog_init(void)
273{ 283{
@@ -298,7 +308,7 @@ static int __init watchdog_init(void)
298 return ret; 308 return ret;
299 } 309 }
300 310
301 printk(banner, soft_noboot, soft_margin, nowayout); 311 printk(banner, soft_noboot, soft_margin, soft_panic, nowayout);
302 312
303 return 0; 313 return 0;
304} 314}