arm: stub out sync_vcpu_execstate

We don't do lazy exec state switching so there isn't actually anything to do.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Campbell <ian.campbell@citrix.com>

xen/arch/arm/domain.c

@@ -96,6 +96,11 @@ void sync_local_execstate(void)
     /* Nothing to do -- no lazy switching */
 }
 
+void sync_vcpu_execstate(struct vcpu *v)
+{
+    /* Nothing to do -- no lazy switching */
+}
+
 void startup_cpu_idle_loop(void)
 {
     struct vcpu *v = current;

xen/arch/arm/dummy.S

@@ -22,7 +22,6 @@ DUMMY(pirq_set_affinity);
 /* VCPU */
 DUMMY(arch_get_info_guest);
 DUMMY(arch_vcpu_reset);
-DUMMY(sync_vcpu_execstate);
 NOP(update_vcpu_system_time);
 DUMMY(vcpu_show_execution_state);