[S390] cleanup psw related bits and pieces

[pandora-kernel.git] / arch / s390 / include / asm / system.h

diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index afb849e..d73cc6b 100644 (file)
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -212,8 +212,10 @@ __set_psw_mask(unsigned long mask)
        __load_psw_mask(mask | (arch_local_save_flags() & ~(-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 | PSW_MASK_DAT | PSW_MASK_MCHECK)
+#define local_mcck_disable() \
+       __set_psw_mask(psw_kernel_bits | PSW_MASK_DAT)
 
 #ifdef CONFIG_SMP