[S390] noexec protection

[linux-2.6-omap-h63xx.git] / include / asm-s390 / system.h

diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index ccbafe4bf2cbf229614d053a29d66212f78cb558..bbe137c3ed6980423e74f24e548ad95f8e5ac000 100644 (file)
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -115,6 +115,16 @@ extern void account_system_vtime(struct task_struct *);
 #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);                                                 \
@@ -363,8 +373,8 @@ __set_psw_mask(unsigned long mask)
        __load_psw_mask(mask | (__raw_local_irq_stosm(0x00) & ~(-1UL >> 8)));
 }
 
-#define local_mcck_enable()  __set_psw_mask(PSW_KERNEL_BITS)
-#define local_mcck_disable() __set_psw_mask(PSW_KERNEL_BITS & ~PSW_MASK_MCHECK)
+#define local_mcck_enable()  __set_psw_mask(psw_kernel_bits)
+#define local_mcck_disable() __set_psw_mask(psw_kernel_bits & ~PSW_MASK_MCHECK)
 
 #ifdef CONFIG_SMP