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SubjectRe: [patch V2 01/29] tracing: Cleanup stack trace code
On Thu, 18 Apr 2019, Josh Poimboeuf wrote:

> On Thu, Apr 18, 2019 at 10:41:20AM +0200, Thomas Gleixner wrote:
> > - Remove the extra array member of stack_dump_trace[]. It's not required as
> > the stack tracer stores at max array size - 1 entries so there is still
> > an empty slot.
>
> What is the empty slot used for?

I was trying to find an answer but failed. Maybe it's just historical
leftovers or Steven knows where the magic is in this maze.

Thanks,

tglx

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