diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6ed6013dff2b45052068f44c92496dcc62ec32a9..d1d8039578abd65bd1afd572674970adab0ab76b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -882,32 +882,6 @@ int register_tracer(struct tracer *type) return ret; } -void unregister_tracer(struct tracer *type) -{ - struct tracer **t; - - mutex_lock(&trace_types_lock); - for (t = &trace_types; *t; t = &(*t)->next) { - if (*t == type) - goto found; - } - pr_info("Tracer %s not registered\n", type->name); - goto out; - - found: - *t = (*t)->next; - - if (type == current_trace && tracer_enabled) { - tracer_enabled = 0; - tracing_stop(); - if (current_trace->stop) - current_trace->stop(&global_trace); - current_trace = &nop_trace; - } -out: - mutex_unlock(&trace_types_lock); -} - void tracing_reset(struct trace_array *tr, int cpu) { struct ring_buffer *buffer = tr->buffer; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 839ae003a053345ccc76239d464ae5c9177709c3..3e8a176f64e635992de3cf149cb34c36b929a581 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -410,7 +410,6 @@ void tracing_sched_switch_assign_trace(struct trace_array *tr); void tracing_stop_sched_switch_record(void); void tracing_start_sched_switch_record(void); int register_tracer(struct tracer *type); -void unregister_tracer(struct tracer *type); int is_tracing_stopped(void); enum trace_file_type { TRACE_FILE_LAT_FMT = 1,