x86_64 uses a userspace mce utility to decode MCEs, this patch will ensure
that the user is notified of MCE events being logged too.
Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>