staging: rtl8192u: use %*pEn to escape buffer
[sfrench/cifs-2.6.git] / include / linux / nmi.h
1 /*
2  *  linux/include/linux/nmi.h
3  */
4 #ifndef LINUX_NMI_H
5 #define LINUX_NMI_H
6
7 #include <linux/sched.h>
8 #include <asm/irq.h>
9
10 /**
11  * touch_nmi_watchdog - restart NMI watchdog timeout.
12  * 
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.
16  */
17 #if defined(CONFIG_HAVE_NMI_WATCHDOG) || defined(CONFIG_HARDLOCKUP_DETECTOR)
18 #include <asm/nmi.h>
19 extern void touch_nmi_watchdog(void);
20 #else
21 static inline void touch_nmi_watchdog(void)
22 {
23         touch_softlockup_watchdog();
24 }
25 #endif
26
27 /*
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:
31  */
32 #ifdef arch_trigger_all_cpu_backtrace
33 static inline bool trigger_all_cpu_backtrace(void)
34 {
35         arch_trigger_all_cpu_backtrace(true);
36
37         return true;
38 }
39 static inline bool trigger_allbutself_cpu_backtrace(void)
40 {
41         arch_trigger_all_cpu_backtrace(false);
42         return true;
43 }
44 #else
45 static inline bool trigger_all_cpu_backtrace(void)
46 {
47         return false;
48 }
49 static inline bool trigger_allbutself_cpu_backtrace(void)
50 {
51         return false;
52 }
53 #endif
54
55 #ifdef CONFIG_LOCKUP_DETECTOR
56 int hw_nmi_is_cpu_stuck(struct pt_regs *);
57 u64 hw_nmi_get_sample_period(int watchdog_thresh);
58 extern int watchdog_user_enabled;
59 extern int watchdog_thresh;
60 extern int sysctl_softlockup_all_cpu_backtrace;
61 struct ctl_table;
62 extern int proc_dowatchdog(struct ctl_table *, int ,
63                            void __user *, size_t *, loff_t *);
64 #endif
65
66 #ifdef CONFIG_HAVE_ACPI_APEI_NMI
67 #include <asm/nmi.h>
68 #endif
69
70 #endif