x86, hyper: Change hypervisor detection order
Anupam Chanda [Fri, 8 Jul 2011 18:42:50 +0000 (11:42 -0700)]
Detect Xen before HyperV because in Viridian compatibility mode Xen
presents itself as HyperV.  Move Xen to the top since it seems more
likely that Xen would emulate VMware than vice versa.

Signed-off-by: Anupam Chanda <achanda@nicira.com>
Link: http://lkml.kernel.org/r/1310150570-26810-1-git-send-email-achanda@nicira.com
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/kernel/cpu/hypervisor.c

index 8095f86..755f64f 100644 (file)
  */
 static const __initconst struct hypervisor_x86 * const hypervisors[] =
 {
-       &x86_hyper_vmware,
-       &x86_hyper_ms_hyperv,
 #ifdef CONFIG_XEN_PVHVM
        &x86_hyper_xen_hvm,
 #endif
+       &x86_hyper_vmware,
+       &x86_hyper_ms_hyperv,
 };
 
 const struct hypervisor_x86 *x86_hyper;