Currently, we only configure and process MCE-related SIGBUS events if
CONFIG_IOTHREAD is enabled. The groundwork is laid, we just need to
factor out the required handler registration and system configuration.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> CC: Huang Ying <ying.huang@intel.com> CC: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> CC: Jin Dongming <jin.dongming@np.css.fujitsu.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>