diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/context_tracking.h | 10 | ||||
-rw-r--r-- | include/linux/context_tracking_state.h | 11 | ||||
-rw-r--r-- | include/linux/tick.h | 8 | ||||
-rw-r--r-- | include/linux/vtime.h | 4 |
4 files changed, 19 insertions, 14 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h index 1581587..37b81bd 100644 --- a/include/linux/context_tracking.h +++ b/include/linux/context_tracking.h @@ -17,13 +17,13 @@ extern void __context_tracking_task_switch(struct task_struct *prev, static inline void user_enter(void) { - if (static_key_false(&context_tracking_enabled)) + if (context_tracking_is_enabled()) context_tracking_user_enter(); } static inline void user_exit(void) { - if (static_key_false(&context_tracking_enabled)) + if (context_tracking_is_enabled()) context_tracking_user_exit(); } @@ -31,7 +31,7 @@ static inline enum ctx_state exception_enter(void) { enum ctx_state prev_ctx; - if (!static_key_false(&context_tracking_enabled)) + if (!context_tracking_is_enabled()) return 0; prev_ctx = this_cpu_read(context_tracking.state); @@ -42,7 +42,7 @@ static inline enum ctx_state exception_enter(void) static inline void exception_exit(enum ctx_state prev_ctx) { - if (static_key_false(&context_tracking_enabled)) { + if (context_tracking_is_enabled()) { if (prev_ctx == IN_USER) context_tracking_user_enter(); } @@ -51,7 +51,7 @@ static inline void exception_exit(enum ctx_state prev_ctx) static inline void context_tracking_task_switch(struct task_struct *prev, struct task_struct *next) { - if (static_key_false(&context_tracking_enabled)) + if (context_tracking_is_enabled()) __context_tracking_task_switch(prev, next); } #else diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h index 0f1979d..97a8122 100644 --- a/include/linux/context_tracking_state.h +++ b/include/linux/context_tracking_state.h @@ -22,15 +22,20 @@ struct context_tracking { extern struct static_key context_tracking_enabled; DECLARE_PER_CPU(struct context_tracking, context_tracking); -static inline bool context_tracking_in_user(void) +static inline bool context_tracking_is_enabled(void) { - return __this_cpu_read(context_tracking.state) == IN_USER; + return static_key_false(&context_tracking_enabled); } -static inline bool context_tracking_active(void) +static inline bool context_tracking_cpu_is_enabled(void) { return __this_cpu_read(context_tracking.active); } + +static inline bool context_tracking_in_user(void) +{ + return __this_cpu_read(context_tracking.state) == IN_USER; +} #else static inline bool context_tracking_in_user(void) { return false; } static inline bool context_tracking_active(void) { return false; } diff --git a/include/linux/tick.h b/include/linux/tick.h index 5128d33..0175d86 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -104,7 +104,7 @@ extern struct cpumask *tick_get_broadcast_oneshot_mask(void); extern void tick_clock_notify(void); extern int tick_check_oneshot_change(int allow_nohz); extern struct tick_sched *tick_get_tick_sched(int cpu); -extern void tick_check_idle(int cpu); +extern void tick_check_idle(void); extern int tick_oneshot_mode_active(void); # ifndef arch_needs_cpu # define arch_needs_cpu(cpu) (0) @@ -112,7 +112,7 @@ extern int tick_oneshot_mode_active(void); # else static inline void tick_clock_notify(void) { } static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } -static inline void tick_check_idle(int cpu) { } +static inline void tick_check_idle(void) { } static inline int tick_oneshot_mode_active(void) { return 0; } # endif @@ -121,7 +121,7 @@ static inline void tick_init(void) { } static inline void tick_cancel_sched_timer(int cpu) { } static inline void tick_clock_notify(void) { } static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } -static inline void tick_check_idle(int cpu) { } +static inline void tick_check_idle(void) { } static inline int tick_oneshot_mode_active(void) { return 0; } #endif /* !CONFIG_GENERIC_CLOCKEVENTS */ @@ -165,7 +165,7 @@ extern cpumask_var_t tick_nohz_full_mask; static inline bool tick_nohz_full_enabled(void) { - if (!static_key_false(&context_tracking_enabled)) + if (!context_tracking_is_enabled()) return false; return tick_nohz_full_running; diff --git a/include/linux/vtime.h b/include/linux/vtime.h index f5b72b3..c5165fd 100644 --- a/include/linux/vtime.h +++ b/include/linux/vtime.h @@ -19,8 +19,8 @@ static inline bool vtime_accounting_enabled(void) { return true; } #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN static inline bool vtime_accounting_enabled(void) { - if (static_key_false(&context_tracking_enabled)) { - if (context_tracking_active()) + if (context_tracking_is_enabled()) { + if (context_tracking_cpu_is_enabled()) return true; } |