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-rw-r--r--include/linux/context_tracking.h10
-rw-r--r--include/linux/context_tracking_state.h11
-rw-r--r--include/linux/tick.h8
-rw-r--r--include/linux/vtime.h4
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;
}
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