[ARM] Remove the __arch_* layer from uaccess.h

Back in the days when we had armo (26-bit) and armv (32-bit) combined,
we had an additional layer to the uaccess macros to ensure correct
typing.  Since we no longer have 26-bit in this tree, we no longer
need this layer, so eliminate it.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index c49b5d4..f8bb7ab 100644 (file)
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -109,11 +109,11 @@ EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(__memzero);
 
        /* user mem (segment) */
-EXPORT_SYMBOL(__arch_copy_from_user);
-EXPORT_SYMBOL(__arch_copy_to_user);
-EXPORT_SYMBOL(__arch_clear_user);
-EXPORT_SYMBOL(__arch_strnlen_user);
-EXPORT_SYMBOL(__arch_strncpy_from_user);
+EXPORT_SYMBOL(__copy_from_user);
+EXPORT_SYMBOL(__copy_to_user);
+EXPORT_SYMBOL(__clear_user);
+EXPORT_SYMBOL(__strnlen_user);
+EXPORT_SYMBOL(__strncpy_from_user);
 
 EXPORT_SYMBOL(__get_user_1);
 EXPORT_SYMBOL(__get_user_2);

diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S
index ea435ae..ecb28dc 100644 (file)
--- a/arch/arm/lib/clear_user.S
+++ b/arch/arm/lib/clear_user.S
@@ -12,13 +12,13 @@
 
                .text
 
-/* Prototype: int __arch_clear_user(void *addr, size_t sz)
+/* Prototype: int __clear_user(void *addr, size_t sz)
  * Purpose  : clear some user memory
  * Params   : addr - user memory address to clear
  *          : sz   - number of bytes to clear
  * Returns  : number of bytes NOT cleared
  */
-ENTRY(__arch_clear_user)
+ENTRY(__clear_user)
                stmfd   sp!, {r1, lr}
                mov     r2, #0
                cmp     r1, #4

diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S
index 7497393..6b7363c 100644 (file)
--- a/arch/arm/lib/copy_from_user.S
+++ b/arch/arm/lib/copy_from_user.S
@@ -16,7 +16,7 @@
 /*
  * Prototype:
  *
- *     size_t __arch_copy_from_user(void *to, const void *from, size_t n)
+ *     size_t __copy_from_user(void *to, const void *from, size_t n)
  *
  * Purpose:
  *
@@ -83,7 +83,7 @@
 
        .text
 
-ENTRY(__arch_copy_from_user)
+ENTRY(__copy_from_user)
 
 #include "copy_template.S"
 

diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S
index 4a6d8ea..5224d94 100644 (file)
--- a/arch/arm/lib/copy_to_user.S
+++ b/arch/arm/lib/copy_to_user.S
@@ -16,7 +16,7 @@
 /*
  * Prototype:
  *
- *     size_t __arch_copy_to_user(void *to, const void *from, size_t n)
+ *     size_t __copy_to_user(void *to, const void *from, size_t n)
  *
  * Purpose:
  *
@@ -86,7 +86,7 @@
 
        .text
 
-ENTRY(__arch_copy_to_user)
+ENTRY(__copy_to_user)
 
 #include "copy_template.S"
 

diff --git a/arch/arm/lib/strncpy_from_user.S b/arch/arm/lib/strncpy_from_user.S
index 35649f0..36e3741 100644 (file)
--- a/arch/arm/lib/strncpy_from_user.S
+++ b/arch/arm/lib/strncpy_from_user.S
@@ -20,7 +20,7 @@
  * returns the number of characters copied (strlen of copied string),
  *  -EFAULT on exception, or "len" if we fill the whole buffer
  */
-ENTRY(__arch_strncpy_from_user)
+ENTRY(__strncpy_from_user)
        mov     ip, r1
 1:     subs    r2, r2, #1
 USER(  ldrplbt r3, [r1], #1)

diff --git a/arch/arm/lib/strnlen_user.S b/arch/arm/lib/strnlen_user.S
index 3668a15..18d8fa4 100644 (file)
--- a/arch/arm/lib/strnlen_user.S
+++ b/arch/arm/lib/strnlen_user.S
@@ -14,13 +14,13 @@
        .text
        .align  5
 
-/* Prototype: unsigned long __arch_strnlen_user(const char *str, long n)
+/* Prototype: unsigned long __strnlen_user(const char *str, long n)
  * Purpose  : get length of a string in user memory
  * Params   : str - address of string in user memory
  * Returns  : length of string *including terminator*
  *           or zero on exception, or n + 1 if too long
  */
-ENTRY(__arch_strnlen_user)
+ENTRY(__strnlen_user)
        mov     r2, r0
 1:
 USER(  ldrbt   r3, [r0], #1)

diff --git a/arch/arm/lib/uaccess.S b/arch/arm/lib/uaccess.S
index 1f1545d..b48bd6d 100644 (file)
--- a/arch/arm/lib/uaccess.S
+++ b/arch/arm/lib/uaccess.S
@@ -19,7 +19,7 @@
 
 #define PAGE_SHIFT 12
 
-/* Prototype: int __arch_copy_to_user(void *to, const char *from, size_t n)
+/* Prototype: int __copy_to_user(void *to, const char *from, size_t n)
  * Purpose  : copy a block to user memory from kernel memory
  * Params   : to   - user memory
  *          : from - kernel memory
@@ -39,7 +39,7 @@ USER(         strgtbt r3, [r0], #1)                   @ May fault
                sub     r2, r2, ip
                b       .Lc2u_dest_aligned
 
-ENTRY(__arch_copy_to_user)
+ENTRY(__copy_to_user)
                stmfd   sp!, {r2, r4 - r7, lr}
                cmp     r2, #4
                blt     .Lc2u_not_enough
@@ -283,7 +283,7 @@ USER(               strgtbt r3, [r0], #1)                   @ May fault
 9001:          ldmfd   sp!, {r0, r4 - r7, pc}
                .previous
 
-/* Prototype: unsigned long __arch_copy_from_user(void *to,const void *from,unsigned long n);
+/* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n);
  * Purpose  : copy a block from user memory to kernel memory
  * Params   : to   - kernel memory
  *          : from - user memory
@@ -302,7 +302,7 @@ USER(               ldrgtbt r3, [r1], #1)                   @ May fault
                sub     r2, r2, ip
                b       .Lcfu_dest_aligned
 
-ENTRY(__arch_copy_from_user)
+ENTRY(__copy_from_user)
                stmfd   sp!, {r0, r2, r4 - r7, lr}
                cmp     r2, #4
                blt     .Lcfu_not_enough

diff --git a/include/asm-arm/uaccess.h b/include/asm-arm/uaccess.h
index 064f0f5..f909dc7 100644 (file)
--- a/include/asm-arm/uaccess.h
+++ b/include/asm-arm/uaccess.h
@@ -353,66 +353,47 @@ do {                                                                      \
        : "r" (x), "i" (-EFAULT)                                \
        : "cc")
 
-extern unsigned long __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
-extern unsigned long __arch_copy_to_user(void __user *to, const void *from, unsigned long n);
-extern unsigned long __arch_clear_user(void __user *addr, unsigned long n);
-extern unsigned long __arch_strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __arch_strnlen_user(const char __user *s, long n);
+
+extern unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n);
+extern unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n);
+extern unsigned long __clear_user(void __user *addr, unsigned long n);
+extern unsigned long __strncpy_from_user(char *to, const char __user *from, unsigned long count);
+extern unsigned long __strnlen_user(const char __user *s, long n);
 
 static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
 {
        if (access_ok(VERIFY_READ, from, n))
-               n = __arch_copy_from_user(to, from, n);
+               n = __copy_from_user(to, from, n);
        else /* security hole - plug it */
                memzero(to, n);
        return n;
 }
 
-static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n)
-{
-       return __arch_copy_from_user(to, from, n);
-}
-
 static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
 {
        if (access_ok(VERIFY_WRITE, to, n))
-               n = __arch_copy_to_user(to, from, n);
+               n = __copy_to_user(to, from, n);
        return n;
 }
 
-static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n)
-{
-       return __arch_copy_to_user(to, from, n);
-}
-
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
-static inline unsigned long clear_user (void __user *to, unsigned long n)
+static inline unsigned long clear_user(void __user *to, unsigned long n)
 {
        if (access_ok(VERIFY_WRITE, to, n))
-               n = __arch_clear_user(to, n);
+               n = __clear_user(to, n);
        return n;
 }
 
-static inline unsigned long __clear_user (void __user *to, unsigned long n)
-{
-       return __arch_clear_user(to, n);
-}
-
-static inline long strncpy_from_user (char *dst, const char __user *src, long count)
+static inline long strncpy_from_user(char *dst, const char __user *src, long count)
 {
        long res = -EFAULT;
        if (access_ok(VERIFY_READ, src, 1))
-               res = __arch_strncpy_from_user(dst, src, count);
+               res = __strncpy_from_user(dst, src, count);
        return res;
 }
 
-static inline long __strncpy_from_user (char *dst, const char __user *src, long count)
-{
-       return __arch_strncpy_from_user(dst, src, count);
-}
-
 #define strlen_user(s) strnlen_user(s, ~0UL >> 1)
 
 static inline long strnlen_user(const char __user *s, long n)
@@ -420,7 +401,7 @@ static inline long strnlen_user(const char __user *s, long n)
        unsigned long res = 0;
 
        if (__addr_ok(s))
-               res = __arch_strnlen_user(s, n);
+               res = __strnlen_user(s, n);
 
        return res;
 }