diff options
Diffstat (limited to 'include/linux/tracepoint.h')
| -rw-r--r-- | include/linux/tracepoint.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 88c0ba623ee6..93a9f3070b48 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -16,7 +16,6 @@ #include <linux/srcu.h> #include <linux/errno.h> #include <linux/types.h> -#include <linux/cpumask.h> #include <linux/rcupdate.h> #include <linux/tracepoint-defs.h> #include <linux/static_call.h> @@ -65,6 +64,13 @@ struct tp_module { bool trace_module_has_bad_taint(struct module *mod); extern int register_tracepoint_module_notifier(struct notifier_block *nb); extern int unregister_tracepoint_module_notifier(struct notifier_block *nb); +void for_each_module_tracepoint(void (*fct)(struct tracepoint *, + struct module *, void *), + void *priv); +void for_each_tracepoint_in_module(struct module *, + void (*fct)(struct tracepoint *, + struct module *, void *), + void *priv); #else static inline bool trace_module_has_bad_taint(struct module *mod) { @@ -80,6 +86,19 @@ int unregister_tracepoint_module_notifier(struct notifier_block *nb) { return 0; } +static inline +void for_each_module_tracepoint(void (*fct)(struct tracepoint *, + struct module *, void *), + void *priv) +{ +} +static inline +void for_each_tracepoint_in_module(struct module *mod, + void (*fct)(struct tracepoint *, + struct module *, void *), + void *priv) +{ +} #endif /* CONFIG_MODULES */ /* @@ -199,7 +218,8 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) if (!(cond)) \ return; \ \ - if (WARN_ON_ONCE(RCUIDLE_COND(rcuidle))) \ + if (WARN_ONCE(RCUIDLE_COND(rcuidle), \ + "Bad RCU usage for tracepoint")) \ return; \ \ /* keep srcu and sched-rcu usage consistent */ \ @@ -259,7 +279,8 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) TP_ARGS(args), \ TP_CONDITION(cond), 0); \ if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \ - WARN_ON_ONCE(!rcu_is_watching()); \ + WARN_ONCE(!rcu_is_watching(), \ + "RCU not watching for tracepoint"); \ } \ } \ __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ |