Re: [PATCH] x86_64: remove empty lines from stack traces/oopses

From: Ingo Molnar
Date: Mon Aug 11 2008 - 13:03:22 EST



* Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote:

> show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
> unsigned long *stack, unsigned long bp, char *log_lvl)
> {
> - printk("\nCall Trace:\n");
> + printk("Call Trace:\n");
> dump_trace(task, regs, stack, bp, &print_trace_ops, log_lvl);
> - printk("\n");
> }

hm, it's nice to have stack traces stand out a bit, and to not get the
'Call Trace' embedded in the middle of a printk (which happens to crash
or produce a stack dump).

> void show_trace(struct task_struct *task, struct pt_regs *regs,
> @@ -386,6 +385,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
> printk(" %016lx", *stack++);
> touch_nmi_watchdog();
> }
> + printk("\n");
> show_trace_log_lvl(task, regs, sp, bp, log_lvl);
> }
>
> @@ -443,7 +443,6 @@ void show_registers(struct pt_regs *regs)
> printk("Stack: ");
> show_stack_log_lvl(NULL, regs, (unsigned long *)sp,
> regs->bp, "");
> - printk("\n");
>
> printk(KERN_EMERG "Code: ");

just to make sure i get the gist of your change, do you have a 'before'
and 'after' sample oops, so that we can see the difference?

Ingo
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