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+# SPDX-License-Identifier: GPL-2.0
+config ACRN_HSM
+ tristate "ACRN Hypervisor Service Module"
+ depends on ACRN_GUEST
+ select EVENTFD
+ help
+ ACRN Hypervisor Service Module (HSM) is a kernel module which
+ communicates with ACRN userspace through ioctls and talks to
+ the ACRN Hypervisor through hypercalls. HSM will only run in
+ a privileged management VM, called Service VM, to manage User
+ VMs and do I/O emulation. Not required for simply running
+ under ACRN as a User VM.
+
+ To compile as a module, choose M, the module will be called
+ acrn. If unsure, say N.