Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] stacktrace bug.
  [S390] cio: remove casts from/to (void *).
  [S390] cio: Remove grace period for vary off chpid.
  [S390] cio: Use ccw_dev_id and subchannel_id in ccw_device_private
  [S390] monwriter kzalloc size.
  [S390] cio: add missing KERN_INFO printk header.
  [S390] irq change improvements.

4 files changed, 15 insertions, 16 deletions

diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 2b1e6c9a6e0e..45c9fa7d7545 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -109,7 +109,7 @@ static LIST_HEAD(appldata_ops_list);
  *
  * schedule work and reschedule timer
  */
-static void appldata_timer_function(unsigned long data, struct pt_regs *regs)
+static void appldata_timer_function(unsigned long data)
 {
         P_DEBUG("   -= Timer =-\n");
         P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(),
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index c49ab8c784d2..4faf96f8a834 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -117,8 +117,8 @@ void do_extint(struct pt_regs *regs, unsigned short code)
         int index;
         struct pt_regs *old_regs;
 
-        irq_enter();
         old_regs = set_irq_regs(regs);
+        irq_enter();
         asm volatile ("mc 0,0");
         if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
                 /**
@@ -134,8 +134,8 @@ void do_extint(struct pt_regs *regs, unsigned short code)
                                 p->handler(code);
                 }
         }
-        set_irq_regs(old_regs);
         irq_exit();
+        set_irq_regs(old_regs);
 }
 
 EXPORT_SYMBOL(register_external_interrupt);
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index d9428a0fc8fb..0d14a4789bf2 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -62,27 +62,26 @@ static inline unsigned long save_context_stack(struct stack_trace *trace,
 void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
 {
         register unsigned long sp asm ("15");
-        unsigned long orig_sp;
+        unsigned long orig_sp, new_sp;
 
-        sp &= PSW_ADDR_INSN;
-        orig_sp = sp;
+        orig_sp = sp & PSW_ADDR_INSN;
 
-        sp = save_context_stack(trace, &trace->skip, sp,
+        new_sp = save_context_stack(trace, &trace->skip, orig_sp,
                                 S390_lowcore.panic_stack - PAGE_SIZE,
                                 S390_lowcore.panic_stack);
-        if ((sp != orig_sp) && !trace->all_contexts)
+        if ((new_sp != orig_sp) && !trace->all_contexts)
                 return;
-        sp = save_context_stack(trace, &trace->skip, sp,
+        new_sp = save_context_stack(trace, &trace->skip, new_sp,
                                 S390_lowcore.async_stack - ASYNC_SIZE,
                                 S390_lowcore.async_stack);
-        if ((sp != orig_sp) && !trace->all_contexts)
+        if ((new_sp != orig_sp) && !trace->all_contexts)
                 return;
         if (task)
-                save_context_stack(trace, &trace->skip, sp,
+                save_context_stack(trace, &trace->skip, new_sp,
                                    (unsigned long) task_stack_page(task),
                                    (unsigned long) task_stack_page(task) + THREAD_SIZE);
         else
-                save_context_stack(trace, &trace->skip, sp,
+                save_context_stack(trace, &trace->skip, new_sp,
                                    S390_lowcore.thread_info,
                                    S390_lowcore.thread_info + THREAD_SIZE);
         return;
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 1d7d3938b2b1..21baaf5496d6 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -209,11 +209,11 @@ static void list_add_sorted(struct vtimer_list *timer, struct list_head *head)
  * Do the callback functions of expired vtimer events.
  * Called from within the interrupt handler.
  */
-static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs)
+static void do_callbacks(struct list_head *cb_list)
 {
         struct vtimer_queue *vt_list;
         struct vtimer_list *event, *tmp;
-        void (*fn)(unsigned long, struct pt_regs*);
+        void (*fn)(unsigned long);
         unsigned long data;
 
         if (list_empty(cb_list))
@@ -224,7 +224,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs)
         list_for_each_entry_safe(event, tmp, cb_list, entry) {
                 fn = event->function;
                 data = event->data;
-                fn(data, regs);
+                fn(data);
 
                 if (!event->interval)
                         /* delete one shot timer */
@@ -275,7 +275,7 @@ static void do_cpu_timer_interrupt(__u16 error_code)
                 list_move_tail(&event->entry, &cb_list);
         }
         spin_unlock(&vt_list->lock);
-        do_callbacks(&cb_list, get_irq_regs());
+        do_callbacks(&cb_list);
 
         /* next event is first in list */
         spin_lock(&vt_list->lock);