[S390] pfault code cleanup.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index ccbafe4..bd0b05a 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -115,6 +115,16 @@
#define account_vtime(x) do { /* empty */ } while (0)
#endif
+#ifdef CONFIG_PFAULT
+extern void pfault_irq_init(void);
+extern int pfault_init(void);
+extern void pfault_fini(void);
+#else /* CONFIG_PFAULT */
+#define pfault_irq_init() do { } while (0)
+#define pfault_init() ({-1;})
+#define pfault_fini() do { } while (0)
+#endif /* CONFIG_PFAULT */
+
#define finish_arch_switch(prev) do { \
set_fs(current->thread.mm_segment); \
account_vtime(prev); \