208 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in event_function()  local
213 	perf_ctx_lock(cpuctx, task_ctx);  in event_function()
236 		WARN_ON_ONCE(task_ctx != ctx);  in event_function()
243 	perf_ctx_unlock(cpuctx, task_ctx);  in event_function()
306 	struct perf_event_context *task_ctx = NULL;  in event_function_local()  local
314 		task_ctx = ctx;  in event_function_local()
317 	perf_ctx_lock(cpuctx, task_ctx);  in event_function_local()
333 			if (WARN_ON_ONCE(cpuctx->task_ctx != ctx))  in event_function_local()
342 	perf_ctx_unlock(cpuctx, task_ctx);  in event_function_local()
810 		perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in perf_cgroup_switch()
836 		perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in perf_cgroup_switch()
2170 			WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in __perf_remove_from_context()
2171 			cpuctx->task_ctx = NULL;  in __perf_remove_from_context()
2494 	if (!cpuctx->task_ctx)  in task_ctx_sched_out()
2497 	if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))  in task_ctx_sched_out()
2531 			struct perf_event_context *task_ctx,  in ctx_resched()  argument
2547 	if (task_ctx)  in ctx_resched()
2548 		task_ctx_sched_out(cpuctx, task_ctx, event_type);  in ctx_resched()
2562 	perf_event_sched_in(cpuctx, task_ctx, current);  in ctx_resched()
2569 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in perf_pmu_resched()  local
2571 	perf_ctx_lock(cpuctx, task_ctx);  in perf_pmu_resched()
2572 	ctx_resched(cpuctx, task_ctx, EVENT_ALL|EVENT_CPU);  in perf_pmu_resched()
2573 	perf_ctx_unlock(cpuctx, task_ctx);  in perf_pmu_resched()
2587 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in __perf_install_in_context()  local
2594 		task_ctx = ctx;  in __perf_install_in_context()
2610 		WARN_ON_ONCE(reprogram && cpuctx->task_ctx && cpuctx->task_ctx != ctx);  in __perf_install_in_context()
2611 	} else if (task_ctx) {  in __perf_install_in_context()
2612 		raw_spin_lock(&task_ctx->lock);  in __perf_install_in_context()
2630 		ctx_resched(cpuctx, task_ctx, get_event_type(event));  in __perf_install_in_context()
2636 	perf_ctx_unlock(cpuctx, task_ctx);  in __perf_install_in_context()
2747 	struct perf_event_context *task_ctx;  in __perf_event_enable()  local
2775 	task_ctx = cpuctx->task_ctx;  in __perf_event_enable()
2777 		WARN_ON_ONCE(task_ctx != ctx);  in __perf_event_enable()
2779 	ctx_resched(cpuctx, task_ctx, get_event_type(event));  in __perf_event_enable()
3010 			WARN_ON_ONCE(cpuctx->task_ctx);  in ctx_sched_out()
3019 		WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in ctx_sched_out()
3021 			cpuctx->task_ctx = NULL;  in ctx_sched_out()
3179 	if (!cpuctx->task_ctx)  in perf_event_context_sched_out()
3286 		perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in perf_pmu_sched_task()
3289 		pmu->sched_task(cpuctx->task_ctx, sched_in);  in perf_pmu_sched_task()
3292 		perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in perf_pmu_sched_task()
3477 			cpuctx->task_ctx = ctx;  in ctx_sched_in()
3479 			WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in ctx_sched_in()
3518 	if (cpuctx->task_ctx == ctx)  in perf_event_context_sched_in()
3804 	struct perf_event_context *task_ctx = NULL;  in perf_rotate_context()  local
3813 	task_ctx = cpuctx->task_ctx;  in perf_rotate_context()
3814 	task_rotate = task_ctx ? task_ctx->rotate_necessary : 0;  in perf_rotate_context()
3819 	perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in perf_rotate_context()
3823 		task_event = ctx_event_to_rotate(task_ctx);  in perf_rotate_context()
3831 	if (task_event || (task_ctx && cpu_event))  in perf_rotate_context()
3832 		ctx_sched_out(task_ctx, cpuctx, EVENT_FLEXIBLE);  in perf_rotate_context()
3837 		rotate_ctx(task_ctx, task_event);  in perf_rotate_context()
3841 	perf_event_sched_in(cpuctx, task_ctx, current);  in perf_rotate_context()
3844 	perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in perf_rotate_context()
3965 	if (ctx->task && cpuctx->task_ctx != ctx)  in __perf_event_read()
6833 	       struct perf_event_context *task_ctx)  in perf_iterate_sb()  argument
6846 	if (task_ctx) {  in perf_iterate_sb()
6847 		perf_iterate_ctx(task_ctx, output, data, false);  in perf_iterate_sb()
6960 	if (cpuctx->task_ctx)  in __perf_pmu_output_stop()
6961 		perf_iterate_ctx(cpuctx->task_ctx, __perf_event_output_stop,  in __perf_pmu_output_stop()
7006 	struct perf_event_context	*task_ctx;  member
7063 			      struct perf_event_context *task_ctx,  in perf_event_task()  argument
7075 		.task_ctx = task_ctx,  in perf_event_task()
7092 		       task_ctx);  in perf_event_task()