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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 10 Jul 2019 21:10:09 -0700
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Subject: Re: [PATCH] x86/stacktrace: Fix infinite loop in arch_stack_walk_user()
To:     Eiichi Tsukata <devel@etsukata.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
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On Wed, Jul 10, 2019 at 7:35 PM Eiichi Tsukata <devel@etsukata.com> wrote:
>
> Once we find a lack of return address, there is no need to continue
> loop, so let's break out.

Looks good to me, feel free to add

  Acked-by: Linus Torvalds <torvalds@linux-foundation.org>

and I'll assume this comes through the x86 -tip tree..

         Linus