#ifndef _XEN_SMP_H
  
  extern void xen_send_IPI_mask(const struct cpumask *mask,
  			      int vector);
  extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask,
  				int vector);
  extern void xen_send_IPI_allbutself(int vector);
  extern void xen_send_IPI_all(int vector);
  extern void xen_send_IPI_self(int vector);
  
  #endif