diff options
Diffstat (limited to 'kernel/sched/bfs_sched.h')
| -rw-r--r-- | kernel/sched/bfs_sched.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/kernel/sched/bfs_sched.h b/kernel/sched/bfs_sched.h deleted file mode 100644 index 876969fff..000000000 --- a/kernel/sched/bfs_sched.h +++ /dev/null @@ -1,172 +0,0 @@ -#include <linux/sched.h> -#include <linux/cpuidle.h> - -#ifndef BFS_SCHED_H -#define BFS_SCHED_H - -/* - * This is the main, per-CPU runqueue data structure. - * This data should only be modified by the local cpu. - */ -struct rq { - struct task_struct *curr, *idle, *stop; - struct mm_struct *prev_mm; - - /* Pointer to grq spinlock */ - raw_spinlock_t *grq_lock; - - /* Stored data about rq->curr to work outside grq lock */ - u64 rq_deadline; - unsigned int rq_policy; - int rq_time_slice; - u64 rq_last_ran; - int rq_prio; - bool rq_running; /* There is a task running */ - int soft_affined; /* Running or queued tasks with this set as their rq */ -#ifdef CONFIG_SMT_NICE - struct mm_struct *rq_mm; - int rq_smt_bias; /* Policy/nice level bias across smt siblings */ -#endif - /* Accurate timekeeping data */ - u64 timekeep_clock; - unsigned long user_pc, nice_pc, irq_pc, softirq_pc, system_pc, - iowait_pc, idle_pc; - atomic_t nr_iowait; - -#ifdef CONFIG_SMP - int cpu; /* cpu of this runqueue */ - bool online; - bool scaling; /* This CPU is managed by a scaling CPU freq governor */ - struct task_struct *sticky_task; - - struct root_domain *rd; - struct sched_domain *sd; - int *cpu_locality; /* CPU relative cache distance */ -#ifdef CONFIG_SCHED_SMT - bool (*siblings_idle)(int cpu); - /* See if all smt siblings are idle */ -#endif /* CONFIG_SCHED_SMT */ -#ifdef CONFIG_SCHED_MC - bool (*cache_idle)(int cpu); - /* See if all cache siblings are idle */ -#endif /* CONFIG_SCHED_MC */ - u64 last_niffy; /* Last time this RQ updated grq.niffies */ -#endif /* CONFIG_SMP */ -#ifdef CONFIG_IRQ_TIME_ACCOUNTING - u64 prev_irq_time; -#endif /* CONFIG_IRQ_TIME_ACCOUNTING */ -#ifdef CONFIG_PARAVIRT - u64 prev_steal_time; -#endif /* CONFIG_PARAVIRT */ -#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING - u64 prev_steal_time_rq; -#endif /* CONFIG_PARAVIRT_TIME_ACCOUNTING */ - - u64 clock, old_clock, last_tick; - u64 clock_task; - bool dither; - -#ifdef CONFIG_SCHEDSTATS - - /* latency stats */ - struct sched_info rq_sched_info; - unsigned long long rq_cpu_time; - /* could above be rq->cfs_rq.exec_clock + rq->rt_rq.rt_runtime ? */ - - /* sys_sched_yield() stats */ - unsigned int yld_count; - - /* schedule() stats */ - unsigned int sched_switch; - unsigned int sched_count; - unsigned int sched_goidle; - - /* try_to_wake_up() stats */ - unsigned int ttwu_count; - unsigned int ttwu_local; -#endif /* CONFIG_SCHEDSTATS */ -#ifdef CONFIG_CPU_IDLE - /* Must be inspected within a rcu lock section */ - struct cpuidle_state *idle_state; -#endif -}; - -#ifdef CONFIG_SMP -struct rq *cpu_rq(int cpu); -#endif - -#ifndef CONFIG_SMP -extern struct rq *uprq; -#define cpu_rq(cpu) (uprq) -#define this_rq() (uprq) -#define raw_rq() (uprq) -#define task_rq(p) (uprq) -#define cpu_curr(cpu) ((uprq)->curr) -#else /* CONFIG_SMP */ -DECLARE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); -#define this_rq() this_cpu_ptr(&runqueues) -#define raw_rq() raw_cpu_ptr(&runqueues) -#endif /* CONFIG_SMP */ - -static inline u64 __rq_clock_broken(struct rq *rq) -{ - return ACCESS_ONCE(rq->clock); -} - -static inline u64 rq_clock(struct rq *rq) -{ - lockdep_assert_held(rq->grq_lock); - return rq->clock; -} - -static inline u64 rq_clock_task(struct rq *rq) -{ - lockdep_assert_held(rq->grq_lock); - return rq->clock_task; -} - -#define rcu_dereference_check_sched_domain(p) \ - rcu_dereference_check((p), \ - lockdep_is_held(&sched_domains_mutex)) - -/* - * The domain tree (rq->sd) is protected by RCU's quiescent state transition. - * See detach_destroy_domains: synchronize_sched for details. - * - * The domain tree of any CPU may only be accessed from within - * preempt-disabled sections. - */ -#define for_each_domain(cpu, __sd) \ - for (__sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); __sd; __sd = __sd->parent) - -static inline void sched_ttwu_pending(void) { } - -static inline int task_on_rq_queued(struct task_struct *p) -{ - return p->on_rq; -} - -#ifdef CONFIG_CPU_IDLE -static inline void idle_set_state(struct rq *rq, - struct cpuidle_state *idle_state) -{ - rq->idle_state = idle_state; -} - -static inline struct cpuidle_state *idle_get_state(struct rq *rq) -{ - WARN_ON(!rcu_read_lock_held()); - return rq->idle_state; -} -#else -static inline void idle_set_state(struct rq *rq, - struct cpuidle_state *idle_state) -{ -} - -static inline struct cpuidle_state *idle_get_state(struct rq *rq) -{ - return NULL; -} -#endif -#endif /* BFS_SCHED_H */ |