X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-s390%2Fprocessor.h;h=a00f79dd323b540ae31fe01c0e764f7e012f157c;hb=8f40f672e6bb071812f61bfbd30efc3fc1263ad1;hp=e8785634cbdbf99540d8fca6a843a016904178e8;hpb=dde0013782dbd09e1cc68ca03860f3a62b03cb34;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index e8785634cbd..a00f79dd323 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -64,24 +64,29 @@ extern int get_cpu_capability(unsigned int *);
  */
 #ifndef __s390x__
 
-# define TASK_SIZE		(0x80000000UL)
-# define TASK_UNMAPPED_BASE	(TASK_SIZE / 2)
-# define DEFAULT_TASK_SIZE	(0x80000000UL)
+#define TASK_SIZE		(1UL << 31)
+#define TASK_UNMAPPED_BASE	(1UL << 30)
 
 #else /* __s390x__ */
 
-# define TASK_SIZE_OF(tsk)	(test_tsk_thread_flag(tsk, TIF_31BIT) ? \
-					(0x80000000UL) : (0x40000000000UL))
-# define TASK_SIZE		TASK_SIZE_OF(current)
-# define TASK_UNMAPPED_BASE	(TASK_SIZE / 2)
-# define DEFAULT_TASK_SIZE	(0x40000000000UL)
+#define TASK_SIZE_OF(tsk)	(test_tsk_thread_flag(tsk,TIF_31BIT) ? \
+					(1UL << 31) : (1UL << 53))
+#define TASK_UNMAPPED_BASE	(test_thread_flag(TIF_31BIT) ? \
+					(1UL << 30) : (1UL << 41))
+#define TASK_SIZE		TASK_SIZE_OF(current)
 
 #endif /* __s390x__ */
 
 #ifdef __KERNEL__
 
-#define STACK_TOP		TASK_SIZE
-#define STACK_TOP_MAX		DEFAULT_TASK_SIZE
+#ifndef __s390x__
+#define STACK_TOP		(1UL << 31)
+#define STACK_TOP_MAX		(1UL << 31)
+#else /* __s390x__ */
+#define STACK_TOP		(1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
+#define STACK_TOP_MAX		(1UL << 42)
+#endif /* __s390x__ */
+
 
 #endif
 
@@ -138,8 +143,6 @@ struct stack_frame {
 /*
  * Do necessary setup to start up a new thread.
  */
-#ifndef __s390x__
-
 #define start_thread(regs, new_psw, new_stackp) do {            \
 	set_fs(USER_DS);					\
 	regs->psw.mask	= psw_user_bits;			\
@@ -147,24 +150,6 @@ struct stack_frame {
         regs->gprs[15]  = new_stackp ;                          \
 } while (0)
 
-#else /* __s390x__ */
-
-#define start_thread(regs, new_psw, new_stackp) do {            \
-	set_fs(USER_DS);					\
-	regs->psw.mask	= psw_user_bits;			\
-        regs->psw.addr  = new_psw;                              \
-        regs->gprs[15]  = new_stackp;                           \
-} while (0)
-
-#define start_thread31(regs, new_psw, new_stackp) do {          \
-	set_fs(USER_DS);					\
-	regs->psw.mask	= psw_user32_bits;			\
-        regs->psw.addr  = new_psw;                              \
-        regs->gprs[15]  = new_stackp;                           \
-} while (0)
-
-#endif /* __s390x__ */
-
 /* Forward declaration, a strange C thing */
 struct task_struct;
 struct mm_struct;
@@ -187,9 +172,7 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
  */
 extern void task_show_regs(struct seq_file *m, struct task_struct *task);
 
-extern void show_registers(struct pt_regs *regs);
 extern void show_code(struct pt_regs *regs);
-extern void show_trace(struct task_struct *task, unsigned long *sp);
 
 unsigned long get_wchan(struct task_struct *p);
 #define task_pt_regs(tsk) ((struct pt_regs *) \