kernel/events/core.c:110: warning: No description found for return value of 'task_function_call'
kernel/events/core.c:12447: warning: No description found for return value of 'sys_perf_event_open'
kernel/events/core.c:12839: warning: missing initial short description on line:
 * perf_event_create_kernel_counter
kernel/events/core.c:12852: warning: No description found for return value of 'perf_event_create_kernel_counter'
kernel/events/core.c:110: warning: No description found for return value of 'task_function_call'
kernel/events/core.c:12445: warning: No description found for return value of 'sys_perf_event_open'
kernel/events/core.c:12837: warning: missing initial short description on line:
 * perf_event_create_kernel_counter
kernel/events/core.c:12850: warning: No description found for return value of 'perf_event_create_kernel_counter'