From: Peter Zijlstra <peterz@infradead.org>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Quentin Schulz <quentin.schulz@free-electrons.com>,
Mylene Josserand <mylene.josserand@free-electrons.com>
Subject: Re: mutex_lock issues during poweroff
Date: Fri, 8 Sep 2017 18:11:34 +0200 [thread overview]
Message-ID: <20170908161134.7yb33fkb7nnrkrjc@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20170908144307.vqb3tn5crs4ddqwg@flea.lan>
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.
prev parent reply other threads:[~2017-09-08 16:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-07 12:16 Maxime Ripard
2017-09-07 12:40 ` Peter Zijlstra
2017-09-08 14:43 ` Maxime Ripard
2017-09-08 16:11 ` Peter Zijlstra [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170908161134.7yb33fkb7nnrkrjc@hirez.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=maxime.ripard@free-electrons.com \
--cc=mingo@redhat.com \
--cc=mylene.josserand@free-electrons.com \
--cc=quentin.schulz@free-electrons.com \
--cc=thomas.petazzoni@free-electrons.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®