From 6c2a9e6df60478e712f3c3d98b5047778a82a3d7 Mon Sep 17 00:00:00 2001 From: Gerald Schaefer Date: Wed, 20 Sep 2006 15:59:44 +0200 Subject: [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 Signed-off-by: Martin Schwidefsky --- include/asm-s390/setup.h | 2 ++ include/asm-s390/uaccess.h | 1 + 2 files changed, 3 insertions(+) (limited to 'include') diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h index 00c03e46689..f1959732b6f 100644 --- a/include/asm-s390/setup.h +++ b/include/asm-s390/setup.h @@ -44,10 +44,12 @@ extern unsigned long machine_flags; #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 39a2716ae18..e2047b0c909 100644 --- a/include/asm-s390/uaccess.h +++ b/include/asm-s390/uaccess.h @@ -100,6 +100,7 @@ struct uaccess_ops { 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) { -- cgit v1.2.3