From: Dexuan Cui <de...@microsoft.com> Date: Tue, 15 Aug 2017 22:13:29 +0000
> + /* > + * Check if we are running on VMware's hypervisor and bail out > + * if we are not. > + */ > + if (x86_hyper != &x86_hyper_vmware) > + return -ENODEV; This symbol is only available when CONFIG_HYPERVISOR_GUEST is defined. But this driver does not have a Kconfig dependency on that symbol so the build can fail in some configurations.
