*/
int do_nmi_callback(struct pt_regs *regs, int cpu);
-#ifdef CONFIG_PM
-
-/** Replace the PM callback routine for NMI. */
-struct pm_dev *set_nmi_pm_callback(pm_callback callback);
-
-/** Unset the PM callback routine back to the default. */
-void unset_nmi_pm_callback(struct pm_dev *dev);
-
-#else
-
-static inline struct pm_dev *set_nmi_pm_callback(pm_callback callback)
-{
- return 0;
-}
-
-static inline void unset_nmi_pm_callback(struct pm_dev *dev)
-{
-}
-
-#endif /* CONFIG_PM */
-
#ifdef CONFIG_X86_64
extern void default_do_nmi(struct pt_regs *);
-extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
-extern void nmi_watchdog_default(void);
-#else
-#define nmi_watchdog_default() do {} while (0)
#endif
+extern void die_nmi(char *str, struct pt_regs *regs, int do_panic);
extern int check_nmi_watchdog(void);
extern int nmi_watchdog_enabled;
extern int avail_to_resrv_perfctr_nmi_bit(unsigned int);
extern atomic_t nmi_active;
extern unsigned int nmi_watchdog;
-#define NMI_DISABLED -1
#define NMI_NONE 0
#define NMI_IO_APIC 1
#define NMI_LOCAL_APIC 2
#define NMI_INVALID 3
-#define NMI_DEFAULT NMI_DISABLED
struct ctl_table;
struct file;
void __trigger_all_cpu_backtrace(void);
#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace()
+static inline void localise_nmi_watchdog(void)
+{
+ if (nmi_watchdog == NMI_IO_APIC)
+ nmi_watchdog = NMI_LOCAL_APIC;
+}
+
+/* check if nmi_watchdog is active (ie was specified at boot) */
+static inline int nmi_watchdog_active(void)
+{
+ /*
+ * actually it should be:
+ * return (nmi_watchdog == NMI_LOCAL_APIC ||
+ * nmi_watchdog == NMI_IO_APIC)
+ * but since they are power of two we could use a
+ * cheaper way --cvg
+ */
+ return nmi_watchdog & 0x3;
+}
#endif
void lapic_watchdog_stop(void);