[PATCH] sparc: 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>
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index 7eebb08..fbb05a4 100644
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -302,7 +302,7 @@
int count = 0;
if (tsk != NULL)
- task_base = (unsigned long) tsk->thread_info;
+ task_base = (unsigned long) task_stack_page(tsk);
else
task_base = (unsigned long) current_thread_info();
@@ -392,7 +392,7 @@
/* We must fixup kregs as well. */
/* XXX This was not fixed for ti for a while, worked. Unused? */
current->thread.kregs = (struct pt_regs *)
- ((char *)current->thread_info + (THREAD_SIZE - TRACEREG_SZ));
+ (task_stack_page(current) + (THREAD_SIZE - TRACEREG_SZ));
}
}
@@ -459,7 +459,7 @@
unsigned long unused,
struct task_struct *p, struct pt_regs *regs)
{
- struct thread_info *ti = p->thread_info;
+ struct thread_info *ti = task_thread_info(p);
struct pt_regs *childregs;
char *new_stack;
@@ -482,7 +482,7 @@
* V V (stk.fr.) V (pt_regs) { (stk.fr.) }
* +----- - - - - - ------+===========+============={+==========}+
*/
- new_stack = (char*)ti + THREAD_SIZE;
+ new_stack = task_stack_page(p) + THREAD_SIZE;
if (regs->psr & PSR_PS)
new_stack -= STACKFRAME_SZ;
new_stack -= STACKFRAME_SZ + TRACEREG_SZ;