bpf_module_mutex 32 kernel/trace/bpf_trace.c static DEFINE_MUTEX(bpf_module_mutex); bpf_module_mutex 40 kernel/trace/bpf_trace.c mutex_lock(&bpf_module_mutex); bpf_module_mutex 52 kernel/trace/bpf_trace.c mutex_unlock(&bpf_module_mutex); bpf_module_mutex 1483 kernel/trace/bpf_trace.c mutex_lock(&bpf_module_mutex); bpf_module_mutex 1504 kernel/trace/bpf_trace.c mutex_unlock(&bpf_module_mutex);