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Groups > linux.kernel > #1729071

Re: mutex_lock issues during poweroff

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: mutex_lock issues during poweroff
Date 2017-09-08 18:20 +0200
Message-ID <unuaD-VM-43@gated-at.bofh.it> (permalink)
References <un3WN-8h1-7@gated-at.bofh.it> <un4pP-8qv-17@gated-at.bofh.it> <unsLw-8nP-13@gated-at.bofh.it>
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On Fri, Sep 08, 2017 at 04:43:07PM +0200, Maxime Ripard wrote:

> What commit happened to be the rewrite? 9d659ae14b54 ("locking/mutex:
> Add lock handoff to avoid starvation") ? We backported this one and
> 3ca0ff571b09 ("locking/mutex: Rework mutex::owner"), and still can
> reproduce the issue. Is there any other?

3ca0ff571b09 was the rewrite, 9d659ae14b54 fixed that starvation case.

With those you should be close to what mainline runs I think.

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Thread

mutex_lock issues during poweroff Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-09-07 14:20 +0200
  Re: mutex_lock issues during poweroff Peter Zijlstra <peterz@infradead.org> - 2017-09-07 14:50 +0200
    Re: mutex_lock issues during poweroff Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-09-08 16:50 +0200
      Re: mutex_lock issues during poweroff Peter Zijlstra <peterz@infradead.org> - 2017-09-08 18:20 +0200

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