1055 perf_lock_task_context(struct task_struct *task, int ctxn, unsigned long *flags)  in perf_lock_task_context()  argument
1071 	ctx = rcu_dereference(task->perf_event_ctxp[ctxn]);  in perf_lock_task_context()
1084 		if (ctx != rcu_dereference(task->perf_event_ctxp[ctxn])) {  in perf_lock_task_context()
1108 perf_pin_task_context(struct task_struct *task, int ctxn)  in perf_pin_task_context()  argument
1113 	ctx = perf_lock_task_context(task, ctxn, &flags);  in perf_pin_task_context()
2539 static void perf_event_context_sched_out(struct task_struct *task, int ctxn,  in perf_event_context_sched_out()  argument
2542 	struct perf_event_context *ctx = task->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
2556 	next_ctx = next->perf_event_ctxp[ctxn];  in perf_event_context_sched_out()
2584 			task->perf_event_ctxp[ctxn] = next_ctx;  in perf_event_context_sched_out()
2585 			next->perf_event_ctxp[ctxn] = ctx;  in perf_event_context_sched_out()
2662 #define for_each_task_context_nr(ctxn)					\  argument
2663 	for ((ctxn) = 0; (ctxn) < perf_nr_task_contexts; (ctxn)++)
2679 	int ctxn;  in __perf_event_task_sched_out()  local
2687 	for_each_task_context_nr(ctxn)  in __perf_event_task_sched_out()
2688 		perf_event_context_sched_out(task, ctxn, next);  in __perf_event_task_sched_out()
2860 	int ctxn;  in __perf_event_task_sched_in()  local
2862 	for_each_task_context_nr(ctxn) {  in __perf_event_task_sched_in()
2863 		ctx = task->perf_event_ctxp[ctxn];  in __perf_event_task_sched_in()
3158 static void perf_event_enable_on_exec(int ctxn)  in perf_event_enable_on_exec()  argument
3167 	ctx = current->perf_event_ctxp[ctxn];  in perf_event_enable_on_exec()
3210 	int ctxn;  in perf_event_exec()  local
3213 	for_each_task_context_nr(ctxn)  in perf_event_exec()
3214 		perf_event_enable_on_exec(ctxn);  in perf_event_exec()
3449 	int ctxn, err;  in find_get_context()  local
3474 	ctxn = pmu->task_ctx_nr;  in find_get_context()
3475 	if (ctxn < 0)  in find_get_context()
3487 	ctx = perf_lock_task_context(task, ctxn, &flags);  in find_get_context()
3519 		else if (task->perf_event_ctxp[ctxn])  in find_get_context()
3524 			rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx);  in find_get_context()
5689 	int ctxn;  in perf_event_aux()  local
5708 		ctxn = pmu->task_ctx_nr;  in perf_event_aux()
5709 		if (ctxn < 0)  in perf_event_aux()
5711 		ctx = rcu_dereference(current->perf_event_ctxp[ctxn]);  in perf_event_aux()
7455 static struct perf_cpu_context __percpu *find_pmu_context(int ctxn)  in find_pmu_context()  argument
7459 	if (ctxn < 0)  in find_pmu_context()
7463 		if (pmu->task_ctx_nr == ctxn)  in find_pmu_context()
8820 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)  in perf_event_exit_task_context()  argument
8826 	if (likely(!child->perf_event_ctxp[ctxn]))  in perf_event_exit_task_context()
8836 	child_ctx = rcu_dereference_raw(child->perf_event_ctxp[ctxn]);  in perf_event_exit_task_context()
8845 	child->perf_event_ctxp[ctxn] = NULL;  in perf_event_exit_task_context()
8895 	int ctxn;  in perf_event_exit_task()  local
8912 	for_each_task_context_nr(ctxn)  in perf_event_exit_task()
8913 		perf_event_exit_task_context(child, ctxn);  in perf_event_exit_task()
8956 	int ctxn;  in perf_event_free_task()  local
8958 	for_each_task_context_nr(ctxn) {  in perf_event_free_task()
8959 		ctx = task->perf_event_ctxp[ctxn];  in perf_event_free_task()
8985 	int ctxn;  in perf_event_delayed_put()  local
8987 	for_each_task_context_nr(ctxn)  in perf_event_delayed_put()
8988 		WARN_ON_ONCE(task->perf_event_ctxp[ctxn]);  in perf_event_delayed_put()
9131 		   struct task_struct *child, int ctxn,  in inherit_task_group()  argument
9142 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
9155 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
9170 static int perf_event_init_context(struct task_struct *child, int ctxn)  in perf_event_init_context()  argument
9180 	if (likely(!parent->perf_event_ctxp[ctxn]))  in perf_event_init_context()
9187 	parent_ctx = perf_pin_task_context(parent, ctxn);  in perf_event_init_context()
9210 					 child, ctxn, &inherited_all);  in perf_event_init_context()
9226 					 child, ctxn, &inherited_all);  in perf_event_init_context()
9234 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
9269 	int ctxn, ret;  in perf_event_init_task()  local
9275 	for_each_task_context_nr(ctxn) {  in perf_event_init_task()
9276 		ret = perf_event_init_context(child, ctxn);  in perf_event_init_task()