[PATCH] x86: Some preparationary cleanup for stack trace

- Remove unused all_contexts parameter
No caller used it
- Move skip argument into the structure (needed for
followon patches)

Cc: mingo@elte.hu

Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 8 insertions, 9 deletions

diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index de83f38288d0..d9428a0fc8fb 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -59,9 +59,7 @@ static inline unsigned long save_context_stack(struct stack_trace *trace,
         }
 }
 
-void save_stack_trace(struct stack_trace *trace,
-                      struct task_struct *task, int all_contexts,
-                      unsigned int skip)
+void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
 {
         register unsigned long sp asm ("15");
         unsigned long orig_sp;
@@ -69,22 +67,23 @@ void save_stack_trace(struct stack_trace *trace,
         sp &= PSW_ADDR_INSN;
         orig_sp = sp;
 
-        sp = save_context_stack(trace, &skip, sp,
+        sp = save_context_stack(trace, &trace->skip, sp,
                                 S390_lowcore.panic_stack - PAGE_SIZE,
                                 S390_lowcore.panic_stack);
-        if ((sp != orig_sp) && !all_contexts)
+        if ((sp != orig_sp) && !trace->all_contexts)
                 return;
-        sp = save_context_stack(trace, &skip, sp,
+        sp = save_context_stack(trace, &trace->skip, sp,
                                 S390_lowcore.async_stack - ASYNC_SIZE,
                                 S390_lowcore.async_stack);
-        if ((sp != orig_sp) && !all_contexts)
+        if ((sp != orig_sp) && !trace->all_contexts)
                 return;
         if (task)
-                save_context_stack(trace, &skip, sp,
+                save_context_stack(trace, &trace->skip, sp,
                                    (unsigned long) task_stack_page(task),
                                    (unsigned long) task_stack_page(task) + THREAD_SIZE);
         else
-                save_context_stack(trace, &skip, sp, S390_lowcore.thread_info,
+                save_context_stack(trace, &trace->skip, sp,
+                                   S390_lowcore.thread_info,
                                    S390_lowcore.thread_info + THREAD_SIZE);
         return;
 }