1368 perf_lock_task_context(struct task_struct *task, int ctxn, unsigned long *flags)  in perf_lock_task_context()  argument
1384 	ctx = rcu_dereference(task->perf_event_ctxp[ctxn]);  in perf_lock_task_context()
1397 		if (ctx != rcu_dereference(task->perf_event_ctxp[ctxn])) {  in perf_lock_task_context()
1424 perf_pin_task_context(struct task_struct *task, int ctxn)  in perf_pin_task_context()  argument
1429 	ctx = perf_lock_task_context(task, ctxn, &flags);  in perf_pin_task_context()
3166 static void perf_event_context_sched_out(struct task_struct *task, int ctxn,  in perf_event_context_sched_out()  argument
3169 	struct perf_event_context *ctx = task->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
3183 	next_ctx = next->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
3219 			RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], next_ctx);  in perf_event_context_sched_out()
3220 			RCU_INIT_POINTER(next->perf_event_ctxp[ctxn], ctx);  in perf_event_context_sched_out()
3299 #define for_each_task_context_nr(ctxn)					\  argument
3300 	for ((ctxn) = 0; (ctxn) < perf_nr_task_contexts; (ctxn)++)
3316 	int ctxn;  in __perf_event_task_sched_out()  local
3324 	for_each_task_context_nr(ctxn)  in __perf_event_task_sched_out()
3325 		perf_event_context_sched_out(task, ctxn, next);  in __perf_event_task_sched_out()
3562 	int ctxn;  in __perf_event_task_sched_in()  local
3574 	for_each_task_context_nr(ctxn) {  in __perf_event_task_sched_in()
3575 		ctx = task->perf_event_ctxp[ctxn];  in __perf_event_task_sched_in()
3884 static void perf_event_enable_on_exec(int ctxn)  in perf_event_enable_on_exec()  argument
3894 	ctx = current->perf_event_ctxp[ctxn];  in perf_event_enable_on_exec()
4227 	int ctxn, err;  in find_get_context()  local
4244 	ctxn = pmu->task_ctx_nr;  in find_get_context()
4245 	if (ctxn < 0)  in find_get_context()
4257 	ctx = perf_lock_task_context(task, ctxn, &flags);  in find_get_context()
4289 		else if (task->perf_event_ctxp[ctxn])  in find_get_context()
4294 			rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx);  in find_get_context()
6836 	int ctxn;  in perf_iterate_sb()  local
6853 	for_each_task_context_nr(ctxn) {  in perf_iterate_sb()
6854 		ctx = rcu_dereference(current->perf_event_ctxp[ctxn]);  in perf_iterate_sb()
6899 	int ctxn;  in perf_event_exec()  local
6902 	for_each_task_context_nr(ctxn) {  in perf_event_exec()
6903 		ctx = current->perf_event_ctxp[ctxn];  in perf_event_exec()
6907 		perf_event_enable_on_exec(ctxn);  in perf_event_exec()
7622 	int ctxn;  in perf_addr_filters_adjust()  local
7632 	for_each_task_context_nr(ctxn) {  in perf_addr_filters_adjust()
7633 		ctx = rcu_dereference(current->perf_event_ctxp[ctxn]);  in perf_addr_filters_adjust()
9866 static struct perf_cpu_context __percpu *find_pmu_context(int ctxn)  in find_pmu_context()  argument
9870 	if (ctxn < 0)  in find_pmu_context()
9874 		if (pmu->task_ctx_nr == ctxn)  in find_pmu_context()
11547 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)  in perf_event_exit_task_context()  argument
11554 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
11582 	RCU_INIT_POINTER(child->perf_event_ctxp[ctxn], NULL);  in perf_event_exit_task_context()
11617 	int ctxn;  in perf_event_exit_task()  local
11633 	for_each_task_context_nr(ctxn)  in perf_event_exit_task()
11634 		perf_event_exit_task_context(child, ctxn);  in perf_event_exit_task()
11677 	int ctxn;  in perf_event_free_task()  local
11679 	for_each_task_context_nr(ctxn) {  in perf_event_free_task()
11680 		ctx = task->perf_event_ctxp[ctxn];  in perf_event_free_task()
11692 		RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], NULL);  in perf_event_free_task()
11723 	int ctxn;  in perf_event_delayed_put()  local
11725 	for_each_task_context_nr(ctxn)  in perf_event_delayed_put()
11726 		WARN_ON_ONCE(task->perf_event_ctxp[ctxn]);  in perf_event_delayed_put()
11929 		   struct task_struct *child, int ctxn,  in inherit_task_group()  argument
11940 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
11952 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
11967 static int perf_event_init_context(struct task_struct *child, int ctxn)  in perf_event_init_context()  argument
11977 	if (likely(!parent->perf_event_ctxp[ctxn]))  in perf_event_init_context()
11984 	parent_ctx = perf_pin_task_context(parent, ctxn);  in perf_event_init_context()
12007 					 child, ctxn, &inherited_all);  in perf_event_init_context()
12023 					 child, ctxn, &inherited_all);  in perf_event_init_context()
12031 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
12067 	int ctxn, ret;  in perf_event_init_task()  local
12073 	for_each_task_context_nr(ctxn) {  in perf_event_init_task()
12074 		ret = perf_event_init_context(child, ctxn);  in perf_event_init_task()