get_mce_event
extern int get_mce_event(struct machine_check_event *mce, bool release);
get_mce_event(NULL, true);
if (!get_mce_event(&evt, MCE_EVENT_RELEASE))
if (get_mce_event(&mce_evt, MCE_EVENT_RELEASE)) {
if (!get_mce_event(&evt, MCE_EVENT_RELEASE))
if (!get_mce_event(&evt, MCE_EVENT_RELEASE))