1445 perf_lock_task_context(struct task_struct *task, int ctxn, unsigned long *flags)  in perf_lock_task_context()  argument
1461 	ctx = rcu_dereference(task->perf_event_ctxp[ctxn]);  in perf_lock_task_context()
1474 		if (ctx != rcu_dereference(task->perf_event_ctxp[ctxn])) {  in perf_lock_task_context()
1501 perf_pin_task_context(struct task_struct *task, int ctxn)  in perf_pin_task_context()  argument
1506 	ctx = perf_lock_task_context(task, ctxn, &flags);  in perf_pin_task_context()
3371 static void perf_event_context_sched_out(struct task_struct *task, int ctxn,  in perf_event_context_sched_out()  argument
3374 	struct perf_event_context *ctx = task->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
3390 	next_ctx = next->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
3443 			RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], next_ctx);  in perf_event_context_sched_out()
3444 			RCU_INIT_POINTER(next->perf_event_ctxp[ctxn], ctx);  in perf_event_context_sched_out()
3513 #define for_each_task_context_nr(ctxn)					\  argument
3514 	for ((ctxn) = 0; (ctxn) < perf_nr_task_contexts; (ctxn)++)
3530 	int ctxn;  in __perf_event_task_sched_out()  local
3535 	for_each_task_context_nr(ctxn)  in __perf_event_task_sched_out()
3536 		perf_event_context_sched_out(task, ctxn, next);  in __perf_event_task_sched_out()
3818 	int ctxn;  in __perf_event_task_sched_in()  local
3830 	for_each_task_context_nr(ctxn) {  in __perf_event_task_sched_in()
3831 		ctx = task->perf_event_ctxp[ctxn];  in __perf_event_task_sched_in()
4143 static void perf_event_enable_on_exec(int ctxn)  in perf_event_enable_on_exec()  argument
4153 	ctx = current->perf_event_ctxp[ctxn];  in perf_event_enable_on_exec()
4486 	int ctxn, err;  in find_get_context()  local
4504 	ctxn = pmu->task_ctx_nr;  in find_get_context()
4505 	if (ctxn < 0)  in find_get_context()
4517 	ctx = perf_lock_task_context(task, ctxn, &flags);  in find_get_context()
4549 		else if (task->perf_event_ctxp[ctxn])  in find_get_context()
4554 			rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx);  in find_get_context()
7324 	int ctxn;  in perf_iterate_sb()  local
7341 	for_each_task_context_nr(ctxn) {  in perf_iterate_sb()
7342 		ctx = rcu_dereference(current->perf_event_ctxp[ctxn]);  in perf_iterate_sb()
7387 	int ctxn;  in perf_event_exec()  local
7390 	for_each_task_context_nr(ctxn) {  in perf_event_exec()
7391 		ctx = current->perf_event_ctxp[ctxn];  in perf_event_exec()
7395 		perf_event_enable_on_exec(ctxn);  in perf_event_exec()
8216 	int ctxn;  in perf_addr_filters_adjust()  local
8226 	for_each_task_context_nr(ctxn) {  in perf_addr_filters_adjust()
8227 		ctx = rcu_dereference(current->perf_event_ctxp[ctxn]);  in perf_addr_filters_adjust()
10557 static struct perf_cpu_context __percpu *find_pmu_context(int ctxn)  in find_pmu_context()  argument
10561 	if (ctxn < 0)  in find_pmu_context()
10565 		if (pmu->task_ctx_nr == ctxn)  in find_pmu_context()
12297 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)  in perf_event_exit_task_context()  argument
12304 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
12332 	RCU_INIT_POINTER(child->perf_event_ctxp[ctxn], NULL);  in perf_event_exit_task_context()
12367 	int ctxn;  in perf_event_exit_task()  local
12383 	for_each_task_context_nr(ctxn)  in perf_event_exit_task()
12384 		perf_event_exit_task_context(child, ctxn);  in perf_event_exit_task()
12427 	int ctxn;  in perf_event_free_task()  local
12429 	for_each_task_context_nr(ctxn) {  in perf_event_free_task()
12430 		ctx = task->perf_event_ctxp[ctxn];  in perf_event_free_task()
12442 		RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], NULL);  in perf_event_free_task()
12473 	int ctxn;  in perf_event_delayed_put()  local
12475 	for_each_task_context_nr(ctxn)  in perf_event_delayed_put()
12476 		WARN_ON_ONCE(task->perf_event_ctxp[ctxn]);  in perf_event_delayed_put()
12678 		   struct task_struct *child, int ctxn,  in inherit_task_group()  argument
12689 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
12701 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
12716 static int perf_event_init_context(struct task_struct *child, int ctxn)  in perf_event_init_context()  argument
12726 	if (likely(!parent->perf_event_ctxp[ctxn]))  in perf_event_init_context()
12733 	parent_ctx = perf_pin_task_context(parent, ctxn);  in perf_event_init_context()
12756 					 child, ctxn, &inherited_all);  in perf_event_init_context()
12772 					 child, ctxn, &inherited_all);  in perf_event_init_context()
12780 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
12816 	int ctxn, ret;  in perf_event_init_task()  local
12822 	for_each_task_context_nr(ctxn) {  in perf_event_init_task()
12823 		ret = perf_event_init_context(child, ctxn);  in perf_event_init_task()