K 10 svn:author V 3 jhb K 8 svn:date V 27 2008-10-07T14:05:42.709783Z K 7 svn:log V 263 Use CPUID to see if the current CPU supports long mode when attemping to boot an amd64 kernel. If not, then fail the boot request with an error message. Otherwise, the boot attempt will fail with a BTX fault when trying to read the EFER MSR. MFC after: 3 days END