216 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in event_function()  local
221 	perf_ctx_lock(cpuctx, task_ctx);  in event_function()
244 		WARN_ON_ONCE(task_ctx != ctx);  in event_function()
251 	perf_ctx_unlock(cpuctx, task_ctx);  in event_function()
314 	struct perf_event_context *task_ctx = NULL;  in event_function_local()  local
322 		task_ctx = ctx;  in event_function_local()
325 	perf_ctx_lock(cpuctx, task_ctx);  in event_function_local()
341 			if (WARN_ON_ONCE(cpuctx->task_ctx != ctx))  in event_function_local()
350 	perf_ctx_unlock(cpuctx, task_ctx);  in event_function_local()
817 		perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in perf_cgroup_switch()
843 		perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in perf_cgroup_switch()
2347 			WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in __perf_remove_from_context()
2348 			cpuctx->task_ctx = NULL;  in __perf_remove_from_context()
2669 	if (!cpuctx->task_ctx)  in task_ctx_sched_out()
2672 	if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))  in task_ctx_sched_out()
2706 			struct perf_event_context *task_ctx,  in ctx_resched()  argument
2722 	if (task_ctx)  in ctx_resched()
2723 		task_ctx_sched_out(cpuctx, task_ctx, event_type);  in ctx_resched()
2737 	perf_event_sched_in(cpuctx, task_ctx, current);  in ctx_resched()
2744 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in perf_pmu_resched()  local
2746 	perf_ctx_lock(cpuctx, task_ctx);  in perf_pmu_resched()
2747 	ctx_resched(cpuctx, task_ctx, EVENT_ALL|EVENT_CPU);  in perf_pmu_resched()
2748 	perf_ctx_unlock(cpuctx, task_ctx);  in perf_pmu_resched()
2762 	struct perf_event_context *task_ctx = cpuctx->task_ctx;  in __perf_install_in_context()  local
2769 		task_ctx = ctx;  in __perf_install_in_context()
2785 		WARN_ON_ONCE(reprogram && cpuctx->task_ctx && cpuctx->task_ctx != ctx);  in __perf_install_in_context()
2786 	} else if (task_ctx) {  in __perf_install_in_context()
2787 		raw_spin_lock(&task_ctx->lock);  in __perf_install_in_context()
2805 		ctx_resched(cpuctx, task_ctx, get_event_type(event));  in __perf_install_in_context()
2811 	perf_ctx_unlock(cpuctx, task_ctx);  in __perf_install_in_context()
2941 	struct perf_event_context *task_ctx;  in __perf_event_enable()  local
2970 	task_ctx = cpuctx->task_ctx;  in __perf_event_enable()
2972 		WARN_ON_ONCE(task_ctx != ctx);  in __perf_event_enable()
2974 	ctx_resched(cpuctx, task_ctx, get_event_type(event));  in __perf_event_enable()
3214 			WARN_ON_ONCE(cpuctx->task_ctx);  in ctx_sched_out()
3223 		WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in ctx_sched_out()
3225 			cpuctx->task_ctx = NULL;  in ctx_sched_out()
3386 	if (!cpuctx->task_ctx)  in perf_event_context_sched_out()
3501 	perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in __perf_pmu_sched_task()
3504 	pmu->sched_task(cpuctx->task_ctx, sched_in);  in __perf_pmu_sched_task()
3507 	perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in __perf_pmu_sched_task()
3725 			cpuctx->task_ctx = ctx;  in ctx_sched_in()
3727 			WARN_ON_ONCE(cpuctx->task_ctx != ctx);  in ctx_sched_in()
3767 	if (cpuctx->task_ctx == ctx) {  in perf_event_context_sched_in()
3795 		pmu->sched_task(cpuctx->task_ctx, true);  in perf_event_context_sched_in()
4063 	struct perf_event_context *task_ctx = NULL;  in perf_rotate_context()  local
4072 	task_ctx = cpuctx->task_ctx;  in perf_rotate_context()
4073 	task_rotate = task_ctx ? task_ctx->rotate_necessary : 0;  in perf_rotate_context()
4078 	perf_ctx_lock(cpuctx, cpuctx->task_ctx);  in perf_rotate_context()
4082 		task_event = ctx_event_to_rotate(task_ctx);  in perf_rotate_context()
4090 	if (task_event || (task_ctx && cpu_event))  in perf_rotate_context()
4091 		ctx_sched_out(task_ctx, cpuctx, EVENT_FLEXIBLE);  in perf_rotate_context()
4096 		rotate_ctx(task_ctx, task_event);  in perf_rotate_context()
4100 	perf_event_sched_in(cpuctx, task_ctx, current);  in perf_rotate_context()
4103 	perf_ctx_unlock(cpuctx, cpuctx->task_ctx);  in perf_rotate_context()
4224 	if (ctx->task && cpuctx->task_ctx != ctx)  in __perf_event_read()
7321 	       struct perf_event_context *task_ctx)  in perf_iterate_sb()  argument
7334 	if (task_ctx) {  in perf_iterate_sb()
7335 		perf_iterate_ctx(task_ctx, output, data, false);  in perf_iterate_sb()
7448 	if (cpuctx->task_ctx)  in __perf_pmu_output_stop()
7449 		perf_iterate_ctx(cpuctx->task_ctx, __perf_event_output_stop,  in __perf_pmu_output_stop()
7494 	struct perf_event_context	*task_ctx;  member
7558 			      struct perf_event_context *task_ctx,  in perf_event_task()  argument
7570 		.task_ctx = task_ctx,  in perf_event_task()
7587 		       task_ctx);  in perf_event_task()