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Diffstat (limited to 'arch/sparc/include/asm/uaccess_32.h')
-rw-r--r--arch/sparc/include/asm/uaccess_32.h44
1 files changed, 5 insertions, 39 deletions
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index ea55f86d7ccd..12ebee2d97c7 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -7,14 +7,8 @@
#ifndef _ASM_UACCESS_H
#define _ASM_UACCESS_H
-#ifdef __KERNEL__
#include <linux/compiler.h>
-#include <linux/sched.h>
#include <linux/string.h>
-#include <linux/errno.h>
-#endif
-
-#ifndef __ASSEMBLY__
#include <asm/processor.h>
@@ -30,9 +24,6 @@
#define KERNEL_DS ((mm_segment_t) { 0 })
#define USER_DS ((mm_segment_t) { -1 })
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
#define get_ds() (KERNEL_DS)
#define get_fs() (current->thread.current_ds)
#define set_fs(val) ((current->thread.current_ds) = (val))
@@ -45,7 +36,7 @@
* large size and address near to PAGE_OFFSET - a fault will break his intentions.
*/
#define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; })
-#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
+#define __kernel_ok (uaccess_kernel())
#define __access_ok(addr, size) (__user_ok((addr) & get_fs().seg, (size)))
#define access_ok(type, addr, size) \
({ (void)(type); __access_ok((unsigned long)(addr), size); })
@@ -80,8 +71,6 @@ struct exception_table_entry
/* Returns 0 if exception not found and fixup otherwise. */
unsigned long search_extables_range(unsigned long addr, unsigned long *g2);
-void __ret_efault(void);
-
/* Uh, these should become the main single-value transfer routines..
* They automatically use the right size if we just have the right
* pointer type..
@@ -246,39 +235,18 @@ int __get_user_bad(void);
unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size);
-static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- if (n && __access_ok((unsigned long) to, n)) {
- check_object_size(from, n, true);
- return __copy_user(to, (__force void __user *) from, n);
- } else
- return n;
-}
-
-static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
+static inline unsigned long raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
- check_object_size(from, n, true);
return __copy_user(to, (__force void __user *) from, n);
}
-static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- if (n && __access_ok((unsigned long) from, n)) {
- check_object_size(to, n, false);
- return __copy_user((__force void __user *) to, from, n);
- } else {
- memset(to, 0, n);
- return n;
- }
-}
-
-static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
+static inline unsigned long raw_copy_from_user(void *to, const void __user *from, unsigned long n)
{
return __copy_user((__force void __user *) to, from, n);
}
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
static inline unsigned long __clear_user(void __user *addr, unsigned long size)
{
@@ -312,6 +280,4 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n)
__must_check long strlen_user(const char __user *str);
__must_check long strnlen_user(const char __user *str, long n);
-#endif /* __ASSEMBLY__ */
-
#endif /* _ASM_UACCESS_H */