x86/vmx: Don't deliver #MC with an error code

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>

xen/arch/x86/hvm/vmx/vmx.c

@@ -2915,7 +2915,7 @@ static int vmx_msr_write_intercept(unsigned int msr, uint64_t msr_content)
 
         if ( (rc < 0) ||
              (msr_content && (vmx_add_host_load_msr(msr) < 0)) )
-            hvm_inject_hw_exception(TRAP_machine_check, 0);
+            hvm_inject_hw_exception(TRAP_machine_check, HVM_DELIVER_NO_ERROR_CODE);
         else
             __vmwrite(GUEST_IA32_DEBUGCTL, msr_content);