diff options
Diffstat (limited to 'arch/powerpc/include/asm/uaccess.h')
| -rw-r--r-- | arch/powerpc/include/asm/uaccess.h | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 17bb40cad5b..9485b43a7c0 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -98,11 +98,6 @@ struct exception_table_entry { * PowerPC, we can just do these as direct assignments. (Of course, the * exception handling means that it's no longer "just"...) * - * The "user64" versions of the user access functions are versions that - * allow access of 64-bit data. The "get_user" functions do not - * properly handle 64-bit data because the value gets down cast to a long. - * The "put_user" functions already handle 64-bit data properly but we add - * "user64" versions for completeness */ #define get_user(x, ptr) \ __get_user_check((x), (ptr), sizeof(*(ptr))) @@ -114,12 +109,6 @@ struct exception_table_entry { #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) \ @@ -189,7 +178,7 @@ do { \ long __pu_err; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ if (!is_kernel_addr((unsigned long)__pu_addr)) \ - might_sleep(); \ + might_fault(); \ __chk_user_ptr(ptr); \ __put_user_size((x), __pu_addr, (size), __pu_err); \ __pu_err; \ @@ -199,7 +188,7 @@ do { \ ({ \ long __pu_err = -EFAULT; \ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ - might_sleep(); \ + might_fault(); \ if (access_ok(VERIFY_WRITE, __pu_addr, size)) \ __put_user_size((x), __pu_addr, (size), __pu_err); \ __pu_err; \ @@ -279,7 +268,7 @@ do { \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ __chk_user_ptr(ptr); \ if (!is_kernel_addr((unsigned long)__gu_addr)) \ - might_sleep(); \ + might_fault(); \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ (x) = (__typeof__(*(ptr)))__gu_val; \ __gu_err; \ @@ -293,7 +282,7 @@ do { \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ __chk_user_ptr(ptr); \ if (!is_kernel_addr((unsigned long)__gu_addr)) \ - might_sleep(); \ + might_fault(); \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ (x) = (__typeof__(*(ptr)))__gu_val; \ __gu_err; \ @@ -305,7 +294,7 @@ do { \ long __gu_err = -EFAULT; \ unsigned long __gu_val = 0; \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ - might_sleep(); \ + might_fault(); \ if (access_ok(VERIFY_READ, __gu_addr, (size))) \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ (x) = (__typeof__(*(ptr)))__gu_val; \ @@ -430,14 +419,14 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to, static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long size) { - might_sleep(); + might_fault(); return __copy_from_user_inatomic(to, from, size); } static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long size) { - might_sleep(); + might_fault(); return __copy_to_user_inatomic(to, from, size); } @@ -445,7 +434,7 @@ extern unsigned long __clear_user(void __user *addr, unsigned long size); static inline unsigned long clear_user(void __user *addr, unsigned long size) { - might_sleep(); + might_fault(); if (likely(access_ok(VERIFY_WRITE, addr, size))) return __clear_user(addr, size); if ((unsigned long)addr < TASK_SIZE) { |