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authorGlauber Costa <gcosta@redhat.com>2008-06-25 13:43:30 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-09 03:14:27 -0400
commit8cb834e99f44bd56409b794504ae2b170675fc92 (patch)
tree32cacbbad4c5948d55068cc948ed4d7c8d27d722 /include/asm-x86/uaccess_32.h
parente30a44fdbf11c7ca3a0096d71790f176a4a09e03 (diff)
x86: move __get_user and __put_user into uaccess.h.
We also carry the unaligned version with us. Only x86_64 uses it, but there's no problem in defining it. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/uaccess_32.h')
-rw-r--r--include/asm-x86/uaccess_32.h46
1 files changed, 0 insertions, 46 deletions
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h
index e5c0437f509b..d3b5bf88ea86 100644
--- a/include/asm-x86/uaccess_32.h
+++ b/include/asm-x86/uaccess_32.h
@@ -20,52 +20,6 @@ extern struct movsl_mask {
20} ____cacheline_aligned_in_smp movsl_mask; 20} ____cacheline_aligned_in_smp movsl_mask;
21#endif 21#endif
22 22
23/**
24 * __get_user: - Get a simple variable from user space, with less checking.
25 * @x: Variable to store result.
26 * @ptr: Source address, in user space.
27 *
28 * Context: User context only. This function may sleep.
29 *
30 * This macro copies a single simple variable from user space to kernel
31 * space. It supports simple types like char and int, but not larger
32 * data types like structures or arrays.
33 *
34 * @ptr must have pointer-to-simple-variable type, and the result of
35 * dereferencing @ptr must be assignable to @x without a cast.
36 *
37 * Caller must check the pointer with access_ok() before calling this
38 * function.
39 *
40 * Returns zero on success, or -EFAULT on error.
41 * On error, the variable @x is set to zero.
42 */
43#define __get_user(x, ptr) \
44 __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
45
46
47/**
48 * __put_user: - Write a simple value into user space, with less checking.
49 * @x: Value to copy to user space.
50 * @ptr: Destination address, in user space.
51 *
52 * Context: User context only. This function may sleep.
53 *
54 * This macro copies a single simple value from kernel space to user
55 * space. It supports simple types like char and int, but not larger
56 * data types like structures or arrays.
57 *
58 * @ptr must have pointer-to-simple-variable type, and @x must be assignable
59 * to the result of dereferencing @ptr.
60 *
61 * Caller must check the pointer with access_ok() before calling this
62 * function.
63 *
64 * Returns zero on success, or -EFAULT on error.
65 */
66#define __put_user(x, ptr) \
67 __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
68
69unsigned long __must_check __copy_to_user_ll 23unsigned long __must_check __copy_to_user_ll
70 (void __user *to, const void *from, unsigned long n); 24 (void __user *to, const void *from, unsigned long n);
71unsigned long __must_check __copy_from_user_ll 25unsigned long __must_check __copy_from_user_ll