diff options
Diffstat (limited to 'kernel/watchdog.c')
| -rw-r--r-- | kernel/watchdog.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index ca8747221e87..baae9fc95031 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -31,8 +31,6 @@ static DEFINE_MUTEX(watchdog_mutex); -int __read_mostly nmi_watchdog_enabled; - #if defined(CONFIG_HARDLOCKUP_DETECTOR) || defined(CONFIG_HAVE_NMI_WATCHDOG) unsigned long __read_mostly watchdog_enabled = SOFT_WATCHDOG_ENABLED | NMI_WATCHDOG_ENABLED; @@ -40,6 +38,17 @@ unsigned long __read_mostly watchdog_enabled = SOFT_WATCHDOG_ENABLED | unsigned long __read_mostly watchdog_enabled = SOFT_WATCHDOG_ENABLED; #endif +int __read_mostly nmi_watchdog_user_enabled; +int __read_mostly soft_watchdog_user_enabled; +int __read_mostly watchdog_user_enabled; +int __read_mostly watchdog_thresh = 10; + +struct cpumask watchdog_allowed_mask __read_mostly; +static bool softlockup_threads_initialized __read_mostly; + +struct cpumask watchdog_cpumask __read_mostly; +unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask); + #ifdef CONFIG_HARDLOCKUP_DETECTOR /* * Should we panic when a soft-lockup or hard-lockup occurs: @@ -85,12 +94,6 @@ __setup("hardlockup_all_cpu_backtrace=", hardlockup_all_cpu_backtrace_setup); # endif /* CONFIG_SMP */ #endif /* CONFIG_HARDLOCKUP_DETECTOR */ -int __read_mostly watchdog_user_enabled; -int __read_mostly watchdog_thresh = 10; - -struct cpumask watchdog_cpumask __read_mostly; -unsigned long *watchdog_cpumask_bits = cpumask_bits(&watchdog_cpumask); - /* * These functions can be overridden if an architecture implements its * own hardlockup detector. @@ -113,7 +116,7 @@ void __weak watchdog_nmi_disable(unsigned int cpu) * watchdog_nmi_reconfigure can be implemented to be notified after any * watchdog configuration change. The arch hardlockup watchdog should * respond to the following variables: - * - nmi_watchdog_enabled + * - watchdog_enabled * - watchdog_thresh * - watchdog_cpumask * - sysctl_hardlockup_all_cpu_backtrace @@ -126,10 +129,6 @@ void __weak watchdog_nmi_reconfigure(void) { } /* Global variables, exported for sysctl */ unsigned int __read_mostly softlockup_panic = CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE; -int __read_mostly soft_watchdog_enabled; - -struct cpumask watchdog_allowed_mask __read_mostly; -static bool softlockup_threads_initialized __read_mostly; static u64 __read_mostly sample_period; @@ -606,14 +605,14 @@ static void proc_watchdog_update(void) /* * common function for watchdog, nmi_watchdog and soft_watchdog parameter * - * caller | table->data points to | 'which' contains the flag(s) - * -------------------|-----------------------|----------------------------- - * proc_watchdog | watchdog_user_enabled | NMI_WATCHDOG_ENABLED or'ed - * | | with SOFT_WATCHDOG_ENABLED - * -------------------|-----------------------|----------------------------- - * proc_nmi_watchdog | nmi_watchdog_enabled | NMI_WATCHDOG_ENABLED - * -------------------|-----------------------|----------------------------- - * proc_soft_watchdog | soft_watchdog_enabled | SOFT_WATCHDOG_ENABLED + * caller | table->data points to | 'which' + * -------------------|----------------------------|-------------------------- + * proc_watchdog | watchdog_user_enabled | NMI_WATCHDOG_ENABLED | + * | | SOFT_WATCHDOG_ENABLED + * -------------------|----------------------------|-------------------------- + * proc_nmi_watchdog | nmi_watchdog_user_enabled | NMI_WATCHDOG_ENABLED + * -------------------|----------------------------|-------------------------- + * proc_soft_watchdog | soft_watchdog_user_enabled | SOFT_WATCHDOG_ENABLED */ static int proc_watchdog_common(int which, struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) |