diff options
Diffstat (limited to 'kernel/sched/ext.h')
| -rw-r--r-- | kernel/sched/ext.h | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/kernel/sched/ext.h b/kernel/sched/ext.h index 1bda96b19a1b..292bb41a242e 100644 --- a/kernel/sched/ext.h +++ b/kernel/sched/ext.h @@ -8,8 +8,29 @@ */ #ifdef CONFIG_SCHED_CLASS_EXT +static inline bool scx_kf_allowed_if_unlocked(void) +{ + return !current->scx.kf_mask; +} + +static inline bool scx_rq_bypassing(struct rq *rq) +{ + return unlikely(rq->scx.flags & SCX_RQ_BYPASSING); +} + DECLARE_STATIC_KEY_FALSE(scx_ops_allow_queued_wakeup); +DECLARE_PER_CPU(struct rq *, scx_locked_rq_state); + +/* + * Return the rq currently locked from an scx callback, or NULL if no rq is + * locked. + */ +static inline struct rq *scx_locked_rq(void) +{ + return __this_cpu_read(scx_locked_rq_state); +} + void scx_tick(struct rq *rq); void init_scx_entity(struct sched_ext_entity *scx); void scx_pre_fork(struct task_struct *p); @@ -21,6 +42,7 @@ void scx_rq_activate(struct rq *rq); void scx_rq_deactivate(struct rq *rq); int scx_check_setscheduler(struct task_struct *p, int policy); bool task_should_scx(int policy); +bool scx_allow_ttwu_queue(const struct task_struct *p); void init_sched_ext_class(void); static inline u32 scx_cpuperf_target(s32 cpu) @@ -36,13 +58,6 @@ static inline bool task_on_scx(const struct task_struct *p) return scx_enabled() && p->sched_class == &ext_sched_class; } -static inline bool scx_allow_ttwu_queue(const struct task_struct *p) -{ - return !scx_enabled() || - static_branch_likely(&scx_ops_allow_queued_wakeup) || - p->sched_class != &ext_sched_class; -} - #ifdef CONFIG_SCHED_CORE bool scx_prio_less(const struct task_struct *a, const struct task_struct *b, bool in_fi); @@ -66,7 +81,7 @@ static inline void init_sched_ext_class(void) {} #endif /* CONFIG_SCHED_CLASS_EXT */ -#if defined(CONFIG_SCHED_CLASS_EXT) && defined(CONFIG_SMP) +#ifdef CONFIG_SCHED_CLASS_EXT void __scx_update_idle(struct rq *rq, bool idle, bool do_notify); static inline void scx_update_idle(struct rq *rq, bool idle, bool do_notify) @@ -80,6 +95,7 @@ static inline void scx_update_idle(struct rq *rq, bool idle, bool do_notify) {} #ifdef CONFIG_CGROUP_SCHED #ifdef CONFIG_EXT_GROUP_SCHED +void scx_tg_init(struct task_group *tg); int scx_tg_online(struct task_group *tg); void scx_tg_offline(struct task_group *tg); int scx_cgroup_can_attach(struct cgroup_taskset *tset); @@ -88,7 +104,9 @@ void scx_cgroup_finish_attach(void); void scx_cgroup_cancel_attach(struct cgroup_taskset *tset); void scx_group_set_weight(struct task_group *tg, unsigned long cgrp_weight); void scx_group_set_idle(struct task_group *tg, bool idle); +void scx_group_set_bandwidth(struct task_group *tg, u64 period_us, u64 quota_us, u64 burst_us); #else /* CONFIG_EXT_GROUP_SCHED */ +static inline void scx_tg_init(struct task_group *tg) {} static inline int scx_tg_online(struct task_group *tg) { return 0; } static inline void scx_tg_offline(struct task_group *tg) {} static inline int scx_cgroup_can_attach(struct cgroup_taskset *tset) { return 0; } @@ -97,5 +115,6 @@ static inline void scx_cgroup_finish_attach(void) {} static inline void scx_cgroup_cancel_attach(struct cgroup_taskset *tset) {} static inline void scx_group_set_weight(struct task_group *tg, unsigned long cgrp_weight) {} static inline void scx_group_set_idle(struct task_group *tg, bool idle) {} +static inline void scx_group_set_bandwidth(struct task_group *tg, u64 period_us, u64 quota_us, u64 burst_us) {} #endif /* CONFIG_EXT_GROUP_SCHED */ #endif /* CONFIG_CGROUP_SCHED */ |