- down(&userspace_sem);
- cpu_min_freq[cpu] = policy->min;
- cpu_max_freq[cpu] = policy->max;
- dprintk("limit event for cpu %u: %u - %u kHz, currently %u kHz, last set to %u kHz\n", cpu, cpu_min_freq[cpu], cpu_max_freq[cpu], cpu_cur_freq[cpu], cpu_set_freq[cpu]);
+ mutex_lock(&userspace_mutex);
+ dprintk("limit event for cpu %u: %u - %u kHz,"
+ "currently %u kHz, last set to %u kHz\n",
+ cpu, policy->min, policy->max,
+ cpu_cur_freq[cpu], cpu_set_freq[cpu]);