Merge commit 'origin/master'

[pandora-kernel.git] / include / asm-powerpc / uaccess.h

diff --git a/include/asm-powerpc/uaccess.h b/include/asm-powerpc/uaccess.h
index adbf16b..bd0fb84 100644 (file)
--- a/include/asm-powerpc/uaccess.h
+++ b/include/asm-powerpc/uaccess.h
@@ -6,6 +6,7 @@
 
 #include <linux/sched.h>
 #include <linux/errno.h>
+#include <asm/asm-compat.h>
 #include <asm/processor.h>
 #include <asm/page.h>
 
@@ -110,12 +111,18 @@ struct exception_table_entry {
        __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
 #define __put_user(x, ptr) \
        __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
+
 #ifndef __powerpc64__
 #define __get_user64(x, ptr) \
        __get_user64_nocheck((x), (ptr), sizeof(*(ptr)))
 #define __put_user64(x, ptr) __put_user(x, ptr)
 #endif
 
+#define __get_user_inatomic(x, ptr) \
+       __get_user_nosleep((x), (ptr), sizeof(*(ptr)))
+#define __put_user_inatomic(x, ptr) \
+       __put_user_nosleep((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
+
 #define __get_user_unaligned __get_user
 #define __put_user_unaligned __put_user
 
@@ -135,12 +142,11 @@ extern long __put_user_bad(void);
                "       b 2b\n"                                 \
                ".previous\n"                                   \
                ".section __ex_table,\"a\"\n"                   \
-               "       .balign %5\n"                           \
+                       PPC_LONG_ALIGN "\n"                     \
                        PPC_LONG "1b,3b\n"                      \
                ".previous"                                     \
                : "=r" (err)                                    \
-               : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err),\
-                 "i"(sizeof(unsigned long)))
+               : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
 
 #ifdef __powerpc64__
 #define __put_user_asm2(x, ptr, retval)                                \
@@ -156,13 +162,12 @@ extern long __put_user_bad(void);
                "       b 3b\n"                                 \
                ".previous\n"                                   \
                ".section __ex_table,\"a\"\n"                   \
-               "       .balign %5\n"                           \
+                       PPC_LONG_ALIGN "\n"                     \
                        PPC_LONG "1b,4b\n"                      \
                        PPC_LONG "2b,4b\n"                      \
                ".previous"                                     \
                : "=r" (err)                                    \
-               : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err),\
-                 "i"(sizeof(unsigned long)))
+               : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
 #endif /* __powerpc64__ */
 
 #define __put_user_size(x, ptr, size, retval)                  \
@@ -198,6 +203,16 @@ do {                                                               \
        __pu_err;                                                       \
 })
 
+#define __put_user_nosleep(x, ptr, size)                       \
+({                                                             \
+       long __pu_err;                                          \
+       __typeof__(*(ptr)) __user *__pu_addr = (ptr);           \
+       __chk_user_ptr(ptr);                                    \
+       __put_user_size((x), __pu_addr, (size), __pu_err);      \
+       __pu_err;                                               \
+})
+
+
 extern long __get_user_bad(void);
 
 #define __get_user_asm(x, addr, err, op)               \
@@ -210,12 +225,11 @@ extern long __get_user_bad(void);
                "       b 2b\n"                         \
                ".previous\n"                           \
                ".section __ex_table,\"a\"\n"           \
-               "       .balign %5\n"                   \
+                       PPC_LONG_ALIGN "\n"             \
                        PPC_LONG "1b,3b\n"              \
                ".previous"                             \
                : "=r" (err), "=r" (x)                  \
-               : "b" (addr), "i" (-EFAULT), "0" (err), \
-                 "i"(sizeof(unsigned long)))
+               : "b" (addr), "i" (-EFAULT), "0" (err))
 
 #ifdef __powerpc64__
 #define __get_user_asm2(x, addr, err)                  \
@@ -233,13 +247,12 @@ extern long __get_user_bad(void);
                "       b 3b\n"                         \
                ".previous\n"                           \
                ".section __ex_table,\"a\"\n"           \
-               "       .balign %5\n"                   \
+                       PPC_LONG_ALIGN "\n"             \
                        PPC_LONG "1b,4b\n"              \
                        PPC_LONG "2b,4b\n"              \
                ".previous"                             \
                : "=r" (err), "=&r" (x)                 \
-               : "b" (addr), "i" (-EFAULT), "0" (err), \
-                 "i"(sizeof(unsigned long)))
+               : "b" (addr), "i" (-EFAULT), "0" (err))
 #endif /* __powerpc64__ */
 
 #define __get_user_size(x, ptr, size, retval)                  \
@@ -297,6 +310,18 @@ do {                                                               \
        __gu_err;                                                       \
 })
 
+#define __get_user_nosleep(x, ptr, size)                       \
+({                                                             \
+       long __gu_err;                                          \
+       unsigned long __gu_val;                                 \
+       const __typeof__(*(ptr)) __user *__gu_addr = (ptr);     \
+       __chk_user_ptr(ptr);                                    \
+       __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+       (x) = (__typeof__(*(ptr)))__gu_val;                     \
+       __gu_err;                                               \
+})
+
+
 /* more complex routines */
 
 extern unsigned long __copy_tofrom_user(void __user *to,
@@ -352,7 +377,7 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
                const void __user *from, unsigned long n)
 {
        if (__builtin_constant_p(n) && (n <= 8)) {
-               unsigned long ret;
+               unsigned long ret = 1;
 
                switch (n) {
                case 1:
@@ -378,7 +403,7 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
                const void *from, unsigned long n)
 {
        if (__builtin_constant_p(n) && (n <= 8)) {
-               unsigned long ret;
+               unsigned long ret = 1;
 
                switch (n) {
                case 1: