diff options
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r-- | arch/sparc/include/asm/processor_64.h | 4 | ||||
-rw-r--r-- | arch/sparc/include/asm/thread_info_32.h | 11 | ||||
-rw-r--r-- | arch/sparc/include/asm/uaccess.h | 6 | ||||
-rw-r--r-- | arch/sparc/include/asm/uaccess_32.h | 10 | ||||
-rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 4 |
5 files changed, 11 insertions, 24 deletions
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 67df5cc1001..4e5a483122a 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -42,7 +42,9 @@ #define TASK_SIZE_OF(tsk) \ (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ (1UL << 32UL) : ((unsigned long)-VPTE_SIZE)) -#define TASK_SIZE TASK_SIZE_OF(current) +#define TASK_SIZE \ + (test_thread_flag(TIF_32BIT) ? \ + (1UL << 32UL) : ((unsigned long)-VPTE_SIZE)) #ifdef __KERNEL__ #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 21a38946541..5af66493245 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -77,18 +77,11 @@ register struct thread_info *current_thread_info_reg asm("g6"); /* * thread information allocation */ -#define THREAD_INFO_ORDER 1 - -struct thread_info * alloc_thread_info_node(struct task_struct *tsk, int node); -void free_thread_info(struct thread_info *); +#define THREAD_SIZE_ORDER 1 #endif /* __ASSEMBLY__ */ -/* - * Size of kernel stack for each process. - * Observe the order of get_free_pages() in alloc_thread_info_node(). - * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste. - */ +/* Size of kernel stack for each process */ #define THREAD_SIZE (2 * PAGE_SIZE) /* diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h index e88fbe5c045..0167d26d0d1 100644 --- a/arch/sparc/include/asm/uaccess.h +++ b/arch/sparc/include/asm/uaccess.h @@ -5,4 +5,10 @@ #else #include <asm/uaccess_32.h> #endif + +#define user_addr_max() \ + (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL) + +extern long strncpy_from_user(char *dest, const char __user *src, long count); + #endif diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index d50c310f5d3..59586b57ef1 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -304,16 +304,6 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n) return n; } -extern long __strncpy_from_user(char *dest, const char __user *src, long count); - -static inline long strncpy_from_user(char *dest, const char __user *src, long count) -{ - if (__access_ok((unsigned long) src, count)) - return __strncpy_from_user(dest, src, count); - else - return -EFAULT; -} - extern long __strlen_user(const char __user *); extern long __strnlen_user(const char __user *, long len); diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index a1091afb883..dcdfb89cbf3 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -257,10 +257,6 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long); #define clear_user __clear_user -extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count); - -#define strncpy_from_user __strncpy_from_user - extern long __strlen_user(const char __user *); extern long __strnlen_user(const char __user *, long len); |