x86: time: tsc_set_info() must skip the idle domain.

Signed-off-by: Keir Fraser <keir@xen.org>
xen-unstable changeset:   22473:a04430925a8b
xen-unstable date:        Thu Dec 09 16:15:10 2010 +0000

xen/arch/x86/time.c

@@ -1792,7 +1792,7 @@ void tsc_set_info(struct domain *d,
                   uint32_t tsc_mode, uint64_t elapsed_nsec,
                   uint32_t gtsc_khz, uint32_t incarnation)
 {
-    if ( d->domain_id == 0 )
+    if ( is_idle_domain(d) || (d->domain_id == 0) )
     {
         d->arch.vtsc = 0;
         return;