Re: [PATCH 11/21] x86/dumpstack: Handle stack overflow on all stacks

[Linus Torvalds]

On Mon, Nov 27, 2017 at 2:45 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
> From: Andy Lutomirski <luto@xxxxxxxxxx>
>
> We currently special-case stack overflow on the task stack.  We're
> going to start putting special stacks in the fixmap with a custom
> layout, so they'll have guard pages, too.  Teach the unwinder to be
> able to unwind an overflow of any of the stacks.

Why isn't this together with 01/21? The two cases seem to be entirely
identical and fundamentally the same issue.

In fact, maybe the whole "stack overflow" special cases should be in
"get_stack_info()" itself, rather than be special-cased in the
callers?

                Linus