diff options
-rw-r--r-- | arch/powerpc/include/asm/nmi.h | 2 | ||||
-rw-r--r-- | arch/sparc/include/asm/nmi.h | 1 | ||||
-rw-r--r-- | include/linux/nmi.h | 13 |
3 files changed, 10 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/nmi.h b/arch/powerpc/include/asm/nmi.h index 43bfd4de868f..ce25318c3902 100644 --- a/arch/powerpc/include/asm/nmi.h +++ b/arch/powerpc/include/asm/nmi.h @@ -3,11 +3,9 @@ #define _ASM_NMI_H #ifdef CONFIG_PPC_WATCHDOG -extern void arch_touch_nmi_watchdog(void); long soft_nmi_interrupt(struct pt_regs *regs); void watchdog_hardlockup_set_timeout_pct(u64 pct); #else -static inline void arch_touch_nmi_watchdog(void) {} static inline void watchdog_hardlockup_set_timeout_pct(u64 pct) {} #endif diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h index 90ee7863d9fe..920dc23f443f 100644 --- a/arch/sparc/include/asm/nmi.h +++ b/arch/sparc/include/asm/nmi.h @@ -8,7 +8,6 @@ void nmi_adjust_hz(unsigned int new_hz); extern atomic_t nmi_active; -void arch_touch_nmi_watchdog(void); void start_nmi_watchdog(void *unused); void stop_nmi_watchdog(void *unused); diff --git a/include/linux/nmi.h b/include/linux/nmi.h index d35393405b24..07bf2b813463 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -7,6 +7,8 @@ #include <linux/sched.h> #include <asm/irq.h> + +/* Arch specific watchdogs might need to share extra watchdog-related APIs. */ #if defined(CONFIG_HAVE_NMI_WATCHDOG) #include <asm/nmi.h> #endif @@ -87,12 +89,17 @@ extern unsigned int hardlockup_panic; static inline void hardlockup_detector_disable(void) {} #endif -#if defined(CONFIG_HARDLOCKUP_DETECTOR_COUNTS_HRTIMER) +/* Sparc64 has special implemetantion that is always enabled. */ +#if defined(CONFIG_HARDLOCKUP_DETECTOR) || \ + (defined(CONFIG_HAVE_NMI_WATCHDOG) && !defined(CONFIG_HAVE_HARDLOCKUP_DETECTOR_ARCH)) void arch_touch_nmi_watchdog(void); +#else +static inline void arch_touch_nmi_watchdog(void) { } +#endif + +#if defined(CONFIG_HARDLOCKUP_DETECTOR_COUNTS_HRTIMER) void watchdog_hardlockup_touch_cpu(unsigned int cpu); void watchdog_hardlockup_check(unsigned int cpu, struct pt_regs *regs); -#elif !defined(CONFIG_HAVE_NMI_WATCHDOG) -static inline void arch_touch_nmi_watchdog(void) { } #endif #if defined(CONFIG_HARDLOCKUP_DETECTOR_PERF) |