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Date:   Thu, 18 Apr 2019 17:43:59 +0200 (CEST)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Steven Rostedt <rostedt@goodmis.org>
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Subject: Re: [patch V2 21/29] tracing: Use percpu stack trace buffer more
 intelligently
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On Thu, 18 Apr 2019, Steven Rostedt wrote:
> On Thu, 18 Apr 2019 10:41:40 +0200
> Thomas Gleixner <tglx@linutronix.de> wrote:
> > -static DEFINE_PER_CPU(struct ftrace_stack, ftrace_stack);
> > +/* This allows 8 level nesting which is plenty */
> 
> Can we make this 4 level nesting and increase the size? (I can see us
> going more than 64 deep, kernel developers never cease to amaze me ;-)
> That's all we need:
> 
>  Context: Normal, softirq, irq, NMI
> 
> Is there any other way to nest?

Not that I know, but you are the tracer dude :)

Thanks,

	tglx