Before revision: A hybrid VMM may be constructed for any third generation machine in which the set of user sensitive instructions are a subset of the set of privileged instructions: Handling critical instructions The conditions for ISA virtualization expressed in Theorem 1 may be relaxed at the expense of the efficiency property.
After revision: A hybrid VMM may be constructed for any third generation machine in which the set of privilged sensitive instructions are a subset of the set of user instructions: Handling critical instructions The conditions for ISA virtualization expressed in Theorem 1 may be relaxed at the expense of the efficiency property.