FIELD: computer technology.
SUBSTANCE: in a method, before reception of an outgoing request for a value of a processor function identifier (hereinafter – ID), following stages are performed: reception by means of a physical processor of the value of the processor function ID from a supervisor section; saving by means of the physical processor of the value of the processor function ID in a hardware register available by means of the physical processor; reception by means of the physical processor of a request outgoing from a guest section for the value of the processor function ID; and provision by means of the physical processor without intervention of the supervisor section of the requested value of the processor function ID to the guest section from the mentioned hardware register available by means of the physical processor.
EFFECT: increase in the safety in operation of real computing machines with virtual machines.
20 cl, 5 dwg
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