2 * linux/include/linux/nmi.h
7 #include <linux/sched.h>
11 * touch_nmi_watchdog - restart NMI watchdog timeout.
13 * If the architecture supports the NMI watchdog, touch_nmi_watchdog()
14 * may be used to reset the timeout - for code which intentionally
15 * disables interrupts for a long time. This call is stateless.
17 #if defined(ARCH_HAS_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR)
19 extern void touch_nmi_watchdog(void);
21 static inline void touch_nmi_watchdog(void)
23 touch_softlockup_watchdog();
28 * Create trigger_all_cpu_backtrace() out of the arch-provided
29 * base function. Return whether such support was available,
30 * to allow calling code to fall back to some other mechanism:
32 #ifdef arch_trigger_all_cpu_backtrace
33 static inline bool trigger_all_cpu_backtrace(void)
35 arch_trigger_all_cpu_backtrace();
40 static inline bool trigger_all_cpu_backtrace(void)
46 #ifdef CONFIG_LOCKUP_DETECTOR
47 int hw_nmi_is_cpu_stuck(struct pt_regs
*);
48 u64
hw_nmi_get_sample_period(int watchdog_thresh
);
49 extern int watchdog_enabled
;
50 extern int watchdog_thresh
;
52 extern int proc_dowatchdog(struct ctl_table
*, int ,
53 void __user
*, size_t *, loff_t
*);
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