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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/kernel/sched/sched.h
....@@ -351,7 +351,7 @@
351351 extern bool __checkparam_dl(const struct sched_attr *attr);
352352 extern bool dl_param_changed(struct task_struct *p, const struct sched_attr *attr);
353353 extern int  dl_cpuset_cpumask_can_shrink(const struct cpumask *cur, const struct cpumask *trial);
354
-extern int  dl_cpu_busy(int cpu, struct task_struct *p);
354
+extern int  dl_bw_check_overflow(int cpu);
355355 
356356 #ifdef CONFIG_CGROUP_SCHED
357357 
....@@ -996,7 +996,6 @@
996996 	unsigned long		cpu_capacity_orig;
997997 
998998 	struct callback_head	*balance_callback;
999
-	unsigned char		balance_flags;
1000999 
10011000 	unsigned char		nohz_idle_balance;
10021001 	unsigned char		idle_balance;
....@@ -1027,10 +1026,6 @@
10271026 
10281027 	/* This is used to determine avg_idle's max value */
10291028 	u64			max_idle_balance_cost;
1030
-
1031
-#ifdef CONFIG_HOTPLUG_CPU
1032
-	struct rcuwait		hotplug_wait;
1033
-#endif
10341029 #endif /* CONFIG_SMP */
10351030 
10361031 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
....@@ -1082,12 +1077,6 @@
10821077 	/* Must be inspected within a rcu lock section */
10831078 	struct cpuidle_state	*idle_state;
10841079 #endif
1085
-
1086
-#ifdef CONFIG_SMP
1087
-	unsigned int		nr_pinned;
1088
-#endif
1089
-	unsigned int		push_busy;
1090
-	struct cpu_stop_work	push_work;
10911080 
10921081 	ANDROID_VENDOR_DATA_ARRAY(1, 96);
10931082 	ANDROID_OEM_DATA_ARRAY(1, 16);
....@@ -1286,9 +1275,6 @@
12861275 	rq->clock_update_flags &= (RQCF_REQ_SKIP|RQCF_ACT_SKIP);
12871276 	rf->clock_update_flags = 0;
12881277 #endif
1289
-#ifdef CONFIG_SMP
1290
-	SCHED_WARN_ON(rq->balance_callback);
1291
-#endif
12921278 }
12931279 
12941280 static inline void rq_unpin_lock(struct rq *rq, struct rq_flags *rf)
....@@ -1448,9 +1434,6 @@
14481434 
14491435 #ifdef CONFIG_SMP
14501436 
1451
-#define BALANCE_WORK	0x01
1452
-#define BALANCE_PUSH	0x02
1453
-
14541437 extern int migrate_swap(struct task_struct *p, struct task_struct *t,
14551438 			int cpu, int scpu);
14561439 static inline void
....@@ -1460,13 +1443,12 @@
14601443 {
14611444 	lockdep_assert_held(&rq->lock);
14621445 
1463
-	if (unlikely(head->next || (rq->balance_flags & BALANCE_PUSH)))
1446
+	if (unlikely(head->next))
14641447 		return;
14651448 
14661449 	head->func = (void (*)(struct callback_head *))func;
14671450 	head->next = rq->balance_callback;
14681451 	rq->balance_callback = head;
1469
-	rq->balance_flags |= BALANCE_WORK;
14701452 }
14711453 
14721454 #define rcu_dereference_check_sched_domain(p) \
....@@ -1795,7 +1777,6 @@
17951777 #define WF_FORK			0x02		/* Child wakeup after fork */
17961778 #define WF_MIGRATED		0x04		/* Internal use, task got migrated */
17971779 #define WF_ON_CPU		0x08		/* Wakee is on_cpu */
1798
-#define WF_LOCK_SLEEPER		0x10		/* Wakeup spinlock "sleeper" */
17991780 #define WF_ANDROID_VENDOR	0x1000		/* Vendor specific for Android */
18001781 
18011782 /*
....@@ -1880,13 +1861,10 @@
18801861 	void (*task_woken)(struct rq *this_rq, struct task_struct *task);
18811862 
18821863 	void (*set_cpus_allowed)(struct task_struct *p,
1883
-				 const struct cpumask *newmask,
1884
-				 u32 flags);
1864
+				 const struct cpumask *newmask);
18851865 
18861866 	void (*rq_online)(struct rq *rq);
18871867 	void (*rq_offline)(struct rq *rq);
1888
-
1889
-	struct rq *(*find_lock_rq)(struct task_struct *p, struct rq *rq);
18901868 #endif
18911869 
18921870 	void (*task_tick)(struct rq *rq, struct task_struct *p, int queued);
....@@ -1970,38 +1948,13 @@
19701948 extern struct task_struct *pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf);
19711949 extern struct task_struct *pick_next_task_idle(struct rq *rq);
19721950 
1973
-#define SCA_CHECK		0x01
1974
-#define SCA_MIGRATE_DISABLE	0x02
1975
-#define SCA_MIGRATE_ENABLE	0x04
1976
-
19771951 #ifdef CONFIG_SMP
19781952 
19791953 extern void update_group_capacity(struct sched_domain *sd, int cpu);
19801954 
19811955 extern void trigger_load_balance(struct rq *rq);
19821956 
1983
-extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask, u32 flags);
1984
-
1985
-static inline struct task_struct *get_push_task(struct rq *rq)
1986
-{
1987
-	struct task_struct *p = rq->curr;
1988
-
1989
-	lockdep_assert_held(&rq->lock);
1990
-
1991
-	if (rq->push_busy)
1992
-		return NULL;
1993
-
1994
-	if (p->nr_cpus_allowed == 1)
1995
-		return NULL;
1996
-
1997
-	if (p->migration_disabled)
1998
-		return NULL;
1999
-
2000
-	rq->push_busy = true;
2001
-	return get_task_struct(p);
2002
-}
2003
-
2004
-extern int push_cpu_stop(void *arg);
1957
+extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask);
20051958 
20061959 extern unsigned long __read_mostly max_load_balance_interval;
20071960 #endif
....@@ -2045,15 +1998,6 @@
20451998 
20461999 extern void resched_curr(struct rq *rq);
20472000 extern void resched_cpu(int cpu);
2048
-
2049
-#ifdef CONFIG_PREEMPT_LAZY
2050
-extern void resched_curr_lazy(struct rq *rq);
2051
-#else
2052
-static inline void resched_curr_lazy(struct rq *rq)
2053
-{
2054
-	resched_curr(rq);
2055
-}
2056
-#endif
20572001 
20582002 extern struct rt_bandwidth def_rt_bandwidth;
20592003 extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime);
....@@ -2417,16 +2361,6 @@
24172361 static inline void nohz_balance_exit_idle(struct rq *rq) { }
24182362 #endif
24192363 
2420
-#define MDF_PUSH	0x01
2421
-
2422
-static inline bool is_migration_disabled(struct task_struct *p)
2423
-{
2424
-#ifdef CONFIG_SMP
2425
-	return p->migration_disabled;
2426
-#else
2427
-	return false;
2428
-#endif
2429
-}
24302364 
24312365 #ifdef CONFIG_SMP
24322366 static inline
....@@ -2525,6 +2459,23 @@
25252459 #ifdef CONFIG_UCLAMP_TASK
25262460 unsigned long uclamp_eff_value(struct task_struct *p, enum uclamp_id clamp_id);
25272461 
2462
+static inline unsigned long uclamp_rq_get(struct rq *rq,
2463
+					  enum uclamp_id clamp_id)
2464
+{
2465
+	return READ_ONCE(rq->uclamp[clamp_id].value);
2466
+}
2467
+
2468
+static inline void uclamp_rq_set(struct rq *rq, enum uclamp_id clamp_id,
2469
+				 unsigned int value)
2470
+{
2471
+	WRITE_ONCE(rq->uclamp[clamp_id].value, value);
2472
+}
2473
+
2474
+static inline bool uclamp_rq_is_idle(struct rq *rq)
2475
+{
2476
+	return rq->uclamp_flags & UCLAMP_FLAG_IDLE;
2477
+}
2478
+
25282479 /**
25292480  * uclamp_rq_util_with - clamp @util with @rq and @p effective uclamp values.
25302481  * @rq:		The rq to clamp against. Must not be NULL.
....@@ -2560,12 +2511,12 @@
25602511 		 * Ignore last runnable task's max clamp, as this task will
25612512 		 * reset it. Similarly, no need to read the rq's min clamp.
25622513 		 */
2563
-		if (rq->uclamp_flags & UCLAMP_FLAG_IDLE)
2514
+		if (uclamp_rq_is_idle(rq))
25642515 			goto out;
25652516 	}
25662517 
2567
-	min_util = max_t(unsigned long, min_util, READ_ONCE(rq->uclamp[UCLAMP_MIN].value));
2568
-	max_util = max_t(unsigned long, max_util, READ_ONCE(rq->uclamp[UCLAMP_MAX].value));
2518
+	min_util = max_t(unsigned long, min_util, uclamp_rq_get(rq, UCLAMP_MIN));
2519
+	max_util = max_t(unsigned long, max_util, uclamp_rq_get(rq, UCLAMP_MAX));
25692520 out:
25702521 	/*
25712522 	 * Since CPU's {min,max}_util clamps are MAX aggregated considering
....@@ -2596,6 +2547,15 @@
25962547 	return static_branch_likely(&sched_uclamp_used);
25972548 }
25982549 #else /* CONFIG_UCLAMP_TASK */
2550
+static inline unsigned long uclamp_eff_value(struct task_struct *p,
2551
+					     enum uclamp_id clamp_id)
2552
+{
2553
+	if (clamp_id == UCLAMP_MIN)
2554
+		return 0;
2555
+
2556
+	return SCHED_CAPACITY_SCALE;
2557
+}
2558
+
25992559 static inline
26002560 unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
26012561 				  struct task_struct *p)
....@@ -2612,6 +2572,25 @@
26122572 {
26132573 	return false;
26142574 }
2575
+
2576
+static inline unsigned long uclamp_rq_get(struct rq *rq,
2577
+					  enum uclamp_id clamp_id)
2578
+{
2579
+	if (clamp_id == UCLAMP_MIN)
2580
+		return 0;
2581
+
2582
+	return SCHED_CAPACITY_SCALE;
2583
+}
2584
+
2585
+static inline void uclamp_rq_set(struct rq *rq, enum uclamp_id clamp_id,
2586
+				 unsigned int value)
2587
+{
2588
+}
2589
+
2590
+static inline bool uclamp_rq_is_idle(struct rq *rq)
2591
+{
2592
+	return false;
2593
+}
26152594 #endif /* CONFIG_UCLAMP_TASK */
26162595 
26172596 #ifdef CONFIG_UCLAMP_TASK_GROUP