[PATCH] sparc64: task_stack_page()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 5 insertions, 5 deletions

diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 1bc772477079..1dc3650c5cae 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -616,11 +616,11 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
                 unsigned long unused,
                 struct task_struct *p, struct pt_regs *regs)
 {
-        struct thread_info *t = p->thread_info;
+        struct thread_info *t = task_thread_info(p);
         char *child_trap_frame;
 
         /* Calculate offset to stack_frame & pt_regs */
-        child_trap_frame = ((char *)t) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
+        child_trap_frame = task_stack_page(p) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
         memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
 
         t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
@@ -845,7 +845,7 @@ unsigned long get_wchan(struct task_struct *task)
             task->state == TASK_RUNNING)
                 goto out;
 
-        thread_info_base = (unsigned long) task->thread_info;
+        thread_info_base = (unsigned long) task_stack_page(task);
         bias = STACK_BIAS;
         fp = task_thread_info(task)->ksp + bias;
 
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 5570e7bb22bb..8d44ae5a15e3 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1808,7 +1808,7 @@ static void user_instruction_dump (unsigned int __user *pc)
 void show_stack(struct task_struct *tsk, unsigned long *_ksp)
 {
         unsigned long pc, fp, thread_base, ksp;
-        struct thread_info *tp = tsk->thread_info;
+        void *tp = task_stack_page(tsk);
         struct reg_window *rw;
         int count = 0;
 
@@ -1862,7 +1862,7 @@ static inline int is_kernel_stack(struct task_struct *task,
                         return 0;
         }
 
-        thread_base = (unsigned long) task->thread_info;
+        thread_base = (unsigned long) task_stack_page(task);
         thread_end = thread_base + sizeof(union thread_union);
         if (rw_addr >= thread_base &&
             rw_addr < thread_end &&