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path: root/arch/s390/lib/uaccess_pt.c
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Diffstat (limited to 'arch/s390/lib/uaccess_pt.c')
-rw-r--r--arch/s390/lib/uaccess_pt.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index 2fa696b39b56..b49c3a440a24 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -211,7 +211,7 @@ fault:
return 0;
}
-static size_t copy_from_user_pt(void *to, const void __user *from, size_t n)
+size_t copy_from_user_pt(void *to, const void __user *from, size_t n)
{
size_t rc;
@@ -223,14 +223,14 @@ static size_t copy_from_user_pt(void *to, const void __user *from, size_t n)
return rc;
}
-static size_t copy_to_user_pt(void __user *to, const void *from, size_t n)
+size_t copy_to_user_pt(void __user *to, const void *from, size_t n)
{
if (segment_eq(get_fs(), KERNEL_DS))
return copy_in_kernel(to, (void __user *) from, n);
return __user_copy_pt((unsigned long) to, (void *) from, n, 1);
}
-static size_t clear_user_pt(void __user *to, size_t n)
+size_t clear_user_pt(void __user *to, size_t n)
{
void *zpage = (void *) empty_zero_page;
long done, size, ret;
@@ -253,7 +253,7 @@ static size_t clear_user_pt(void __user *to, size_t n)
return 0;
}
-static size_t strnlen_user_pt(const char __user *src, size_t count)
+size_t strnlen_user_pt(const char __user *src, size_t count)
{
unsigned long uaddr = (unsigned long) src;
struct mm_struct *mm = current->mm;
@@ -289,8 +289,7 @@ fault:
goto retry;
}
-static size_t strncpy_from_user_pt(char *dst, const char __user *src,
- size_t count)
+size_t strncpy_from_user_pt(char *dst, const char __user *src, size_t count)
{
size_t done, len, offset, len_str;
@@ -315,8 +314,7 @@ static size_t strncpy_from_user_pt(char *dst, const char __user *src,
return done;
}
-static size_t copy_in_user_pt(void __user *to, const void __user *from,
- size_t n)
+size_t copy_in_user_pt(void __user *to, const void __user *from, size_t n)
{
struct mm_struct *mm = current->mm;
unsigned long offset_max, uaddr, done, size, error_code;
@@ -411,7 +409,7 @@ static int __futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old)
return ret;
}
-int futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old)
+int __futex_atomic_op_inuser(int op, u32 __user *uaddr, int oparg, int *old)
{
int ret;
@@ -449,8 +447,8 @@ static int __futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
return ret;
}
-int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
- u32 oldval, u32 newval)
+int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+ u32 oldval, u32 newval)
{
int ret;
@@ -471,14 +469,3 @@ int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr,
put_page(virt_to_page(uaddr));
return ret;
}
-
-struct uaccess_ops uaccess_pt = {
- .copy_from_user = copy_from_user_pt,
- .copy_to_user = copy_to_user_pt,
- .copy_in_user = copy_in_user_pt,
- .clear_user = clear_user_pt,
- .strnlen_user = strnlen_user_pt,
- .strncpy_from_user = strncpy_from_user_pt,
- .futex_atomic_op = futex_atomic_op_pt,
- .futex_atomic_cmpxchg = futex_atomic_cmpxchg_pt,
-};