From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next 1/3] VMCI: only load on VMware hypervisor
Date: Wed, 16 Aug 2017 11:06:35 -0700 (PDT)
Message-ID: <20170816.110635.1062040564700704290.davem@davemloft.net>
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Cc: netdev@vger.kernel.org, gregkh@linuxfoundation.org,
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        cavery@redhat.com, jasowang@redhat.com, rolf.neugebauer@docker.com,
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From: Dexuan Cui <decui@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.