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[PATCH] x86: Some preparationary cleanup for stack trace

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- 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>
This commit is contained in:
Andi Kleen
2006-09-26 10:52:34 +02:00
committed by Andi Kleen
parent 4ea8a5d8b5
commit 5a1b3999d6
5 changed files with 24 additions and 30 deletions
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17
arch/s390/kernel/stacktrace.c
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@@ -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;
}