[PATCH] MCE: Allow AMD MSRs injected via xen-mceinj

[PATCH] MCE: Allow AMD MSRs injected via xen-mceinj

[Christoph Egger]

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Allow AMD MSRs injected via xen-mceinj

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>

-- 
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

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diff -r 7abb25095de0 xen/arch/x86/cpu/mcheck/mce.c
--- a/xen/arch/x86/cpu/mcheck/mce.c	Thu Oct 25 13:15:19 2012 +0200
+++ b/xen/arch/x86/cpu/mcheck/mce.c	Fri Oct 26 09:55:35 2012 +0200
@@ -1145,6 +1121,19 @@ static int x86_mc_msrinject_verify(struc
             case MSR_IA32_MCG_STATUS:
                 break;
 
+            case MSR_F10_MC4_MISC1:
+            case MSR_F10_MC4_MISC2:
+            case MSR_F10_MC4_MISC3:
+                if (c->x86_vendor != X86_VENDOR_AMD) {
+                    reason = "only supported on AMD";
+                    break;
+                }
+                if (c->x86 < 0x10) {
+                    reason = "only supported on AMD Family 10h+";
+                    break;
+                }
+                break;
+
                 /* MSRs that the HV will take care of */
             case MSR_K8_HWCR:
                 if (c->x86_vendor == X86_VENDOR_AMD)

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