s390/thread_info: get rid of THREAD_ORDER define
We have the s390 specific THREAD_ORDER define and the THREAD_SIZE_ORDER
define which is also used in common code. Both have exactly the same
semantics. Therefore get rid of THREAD_ORDER and always use
THREAD_SIZE_ORDER instead.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/boot/compressed/head.S b/arch/s390/boot/compressed/head.S
index 28c4f96..11f6254 100644
--- a/arch/s390/boot/compressed/head.S
+++ b/arch/s390/boot/compressed/head.S
@@ -46,7 +46,7 @@
.align 8
.Lstack:
- .quad 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER))
+ .quad 0x8000 + (1<<(PAGE_SHIFT+THREAD_SIZE_ORDER))
.Loffset:
.quad 0x11000
.Lmvsize:
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 6084706..a5b54a4 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -12,10 +12,10 @@
/*
* Size of kernel stack for each process
*/
-#define THREAD_ORDER 2
+#define THREAD_SIZE_ORDER 2
#define ASYNC_ORDER 2
-#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
+#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER)
#ifndef __ASSEMBLY__
@@ -46,8 +46,6 @@
void arch_release_task_struct(struct task_struct *tsk);
int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
-#define THREAD_SIZE_ORDER THREAD_ORDER
-
#endif
/*
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 1cc4578..9e0291a 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -42,7 +42,7 @@
__PT_R14 = __PT_GPRS + 112
__PT_R15 = __PT_GPRS + 120
-STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
+STACK_SHIFT = PAGE_SHIFT + THREAD_SIZE_ORDER
STACK_SIZE = 1 << STACK_SHIFT
STACK_INIT = STACK_SIZE - STACK_FRAME_OVERHEAD - __PT_SIZE
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 4431905..0b5ebf8 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -315,7 +315,7 @@
jg startup_continue
.Lstack:
- .long 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER))
+ .long 0x8000 + (1<<(PAGE_SHIFT+THREAD_SIZE_ORDER))
.align 8
6: .long 0x7fffffff,0xffffffff
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index a46201d..482d352 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -35,7 +35,7 @@
larl %r14,init_task
stg %r14,__LC_CURRENT
larl %r15,init_thread_union
- aghi %r15,1<<(PAGE_SHIFT+THREAD_ORDER) # init_task_union + THREAD_SIZE
+ aghi %r15,1<<(PAGE_SHIFT+THREAD_SIZE_ORDER) # init_task_union + THREAD_SIZE
stg %r15,__LC_KERNEL_STACK # set end of kernel stack
aghi %r15,-160
#
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 285d656..ef60f41 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -168,7 +168,7 @@
old = current_stack_pointer();
/* Check against async. stack address range. */
new = S390_lowcore.async_stack;
- if (((new - old) >> (PAGE_SHIFT + THREAD_ORDER)) != 0) {
+ if (((new - old) >> (PAGE_SHIFT + THREAD_SIZE_ORDER)) != 0) {
/* Need to switch to the async. stack. */
new -= STACK_FRAME_OVERHEAD;
((struct stack_frame *) new)->back_chain = old;
diff --git a/arch/s390/kernel/swsusp.S b/arch/s390/kernel/swsusp.S
index 2d6b6e8..1ff21f0 100644
--- a/arch/s390/kernel/swsusp.S
+++ b/arch/s390/kernel/swsusp.S
@@ -194,7 +194,7 @@
/* Suspend CPU not available -> panic */
larl %r15,init_thread_union
- ahi %r15,1<<(PAGE_SHIFT+THREAD_ORDER)
+ ahi %r15,1<<(PAGE_SHIFT+THREAD_SIZE_ORDER)
larl %r2,.Lpanic_string
larl %r3,_sclp_print_early
lghi %r1,0