#ifndef __XEN_ASM_PCIFRONT_H__
#define __XEN_ASM_PCIFRONT_H__
-#include <linux/config.h>
#include <linux/spinlock.h>
#ifdef __KERNEL__
#endif /* __ia64__ */
-extern spinlock_t pci_bus_lock;
+extern struct rw_semaphore pci_bus_sem;
#endif /* __KERNEL__ */