x86/mem_sharing: Copy CPUID and MSR configuration during vm forking

Signed-off-by: Tamas K Lengyel <tamas.lengyel@intel.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

xen/arch/x86/mm/mem_sharing.c

@@ -1764,6 +1764,8 @@ static int fork(struct domain *cd, struct domain *d)
 
         domain_pause(d);
         cd->max_pages = d->max_pages;
+        *cd->arch.cpuid = *d->arch.cpuid;
+        *cd->arch.msrs = *d->arch.msrs;
         cd->parent = d;
     }