Index: linux-2.6.17.13/include/linux/ipipe.h
===================================================================
--- linux-2.6.17.13.orig/include/linux/ipipe.h
+++ linux-2.6.17.13/include/linux/ipipe.h
@@ -763,6 +763,7 @@ void fastcall *ipipe_get_ptd(int key);
 #define ipipe_irq_unlock(irq)		do { } while(0)
 
 #define ipipe_root_domain_p		1
+#define ipipe_safe_current()		current
 
 #endif	/* CONFIG_IPIPE */
 
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