x86, hypervisor: Export the x86_hyper* symbols

Export x86_hyper and the related specific structures, allowing for
hypervisor identification by modules.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Greg KH <greg@kroah.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Ky Srinivasan <ksrinivasan@novell.com>
Cc: Dmitry Torokhov <dtor@vmware.com>
LKML-Reference: <4BE49778.6060800@zytor.com>

arch/x86/kernel/cpu/hypervisor.c

@@ -36,6 +36,7 @@ static const __initconst struct hypervisor_x86 * const hypervisors[] =
 };
 
 const struct hypervisor_x86 *x86_hyper;
+EXPORT_SYMBOL(x86_hyper);
 
 static inline void __init
 detect_hypervisor_vendor(void)

arch/x86/kernel/cpu/mshyperv.c

@@ -51,3 +51,4 @@ const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
 	.detect			= ms_hyperv_platform,
 	.init_platform		= ms_hyperv_init_platform,
 };
+EXPORT_SYMBOL(x86_hyper_ms_hyperv);

arch/x86/kernel/cpu/vmware.c

@@ -99,7 +99,6 @@ static bool __init vmware_platform(void)
 
 	return false;
 }
-EXPORT_SYMBOL(vmware_platform);
 
 /*
  * VMware hypervisor takes care of exporting a reliable TSC to the guest.
@@ -125,3 +124,4 @@ const __refconst struct hypervisor_x86 x86_hyper_vmware = {
 	.set_cpu_features	= vmware_set_cpu_features,
 	.init_platform		= vmware_platform_setup,
 };
+EXPORT_SYMBOL(x86_hyper_vmware);