[S390] Use alternative user-copy operations for new hardware.
This introduces new user-copy operations which are optimized for
copying more than 256 Bytes on new hardware.
Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 00c03e4..f195973 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -44,10 +44,12 @@
#define MACHINE_HAS_IEEE (machine_flags & 2)
#define MACHINE_HAS_CSP (machine_flags & 8)
#define MACHINE_HAS_DIAG44 (1)
+#define MACHINE_HAS_MVCOS (0)
#else /* __s390x__ */
#define MACHINE_HAS_IEEE (1)
#define MACHINE_HAS_CSP (1)
#define MACHINE_HAS_DIAG44 (machine_flags & 32)
+#define MACHINE_HAS_MVCOS (machine_flags & 512)
#endif /* __s390x__ */
diff --git a/include/asm-s390/uaccess.h b/include/asm-s390/uaccess.h
index 39a2716..e2047b0 100644
--- a/include/asm-s390/uaccess.h
+++ b/include/asm-s390/uaccess.h
@@ -100,6 +100,7 @@
extern struct uaccess_ops uaccess;
extern struct uaccess_ops uaccess_std;
+extern struct uaccess_ops uaccess_mvcos;
static inline int __put_user_fn(size_t size, void __user *ptr, void *x)
{
