HVM smp guest save/restore support

["Zhai, Edwin" <edwin.zhai@intel.com>]

Keir,

smp save/restore has been reverted in the changeset 13499:
*****************************************
--- a/xen/common/domain.c       Fri Jan 19 11:58:52 2007 +0000
+++ b/xen/common/domain.c       Fri Jan 19 12:03:51 2007 +0000
@@ -506,14 +506,6 @@ int set_info_guest(struct domain *d,
     if ( rc == 0 )
         rc = arch_set_info_guest(v, c);

-    /*XXX: hvm smp guest restore support */
-    if ( rc == 0 &&
-            v->vcpu_id != 0 &&
-            is_hvm_vcpu(v) &&
-            test_and_clear_bit(_VCPUF_down, &v->vcpu_flags) ) {
-        vcpu_wake(v);
-    }
-
     domain_unpause(d);

     xfree(c.nat);
******************************************

this code wake up all the aps like hvm_bringup_ap, since no IPI for ap when 
restore.
if it's slightly ugly, how about add a similar hypercall like xc_domain_resume?

thanks,


-- 
best rgds,
edwin