x86/svm: Replace opencoded 1GB superpage check
authorAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 3 Jan 2017 17:46:58 +0000 (17:46 +0000)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Wed, 4 Jan 2017 18:03:03 +0000 (18:03 +0000)
No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
xen/arch/x86/hvm/svm/svm.c

index 89daa39cd205ea4fd8a45cc850b8c4c1e8aa628e..04a7b605532a4207d461c09281e56c74d3aa05c4 100644 (file)
@@ -1473,7 +1473,7 @@ const struct hvm_function_table * __init start_svm(void)
 
     svm_function_table.hap_supported = !!cpu_has_svm_npt;
     svm_function_table.hap_capabilities = HVM_HAP_SUPERPAGE_2MB |
-        ((cpuid_edx(0x80000001) & 0x04000000) ? HVM_HAP_SUPERPAGE_1GB : 0);
+        (cpu_has_page1gb ? HVM_HAP_SUPERPAGE_1GB : 0);
 
     return &svm_function_table;
 }