[PATCH] s390: task_pt_regs()
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/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 4ec652e..795bfcb 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -191,10 +191,10 @@
extern void show_trace(struct task_struct *task, unsigned long *sp);
unsigned long get_wchan(struct task_struct *p);
-#define __KSTK_PTREGS(tsk) ((struct pt_regs *) \
- ((unsigned long) tsk->thread_info + THREAD_SIZE - sizeof(struct pt_regs)))
-#define KSTK_EIP(tsk) (__KSTK_PTREGS(tsk)->psw.addr)
-#define KSTK_ESP(tsk) (__KSTK_PTREGS(tsk)->gprs[15])
+#define task_pt_regs(tsk) ((struct pt_regs *) \
+ ((void *)(tsk)->thread_info + THREAD_SIZE) - 1)
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->psw.addr)
+#define KSTK_ESP(tsk) (task_pt_regs(tsk)->gprs[15])
/*
* Give up the time slice of the virtual PU.