1. A method of supporting virtualization of a loadable module, the method being performed by a virtualization supporting apparatus, comprising: initiating conversion of source code of a loadable module; searching for a virtualization-sensitive instruction during the conversion of the source code; if the virtualization-sensitive instruction has been found, generating a virtualization-sensitive instruction table based on the found virtualization-sensitive instruction; substituting the virtualization-sensitive instruction with an instruction recognizable in a privileged mode, based on the generated virtualization-sensitive instruction table; and loading and executing the loadable module in a kernel.