aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/include/asm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r--arch/sparc/include/asm/processor_64.h4
-rw-r--r--arch/sparc/include/asm/thread_info_32.h11
-rw-r--r--arch/sparc/include/asm/uaccess.h6
-rw-r--r--arch/sparc/include/asm/uaccess_32.h10
-rw-r--r--arch/sparc/include/asm/uaccess_64.h4
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);