From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
tglx@kernel.org, mingo@redhat.com, linux-kernel@vger.kernel.org,
will@kernel.org, boqun@kernel.org, longman@redhat.com,
bigeasy@linutronix.de, clrkwllms@kernel.org,
dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com,
shuah@kernel.org, juri.lelli@redhat.com,
linux-rt-devel@lists.linux.dev, linux-kselftest@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH 1/5] locking/rtmutex: Stop spinning on the owner when the waiter is woken
Date: Sun, 8 Nov 2026 08:23:47 -0500 [thread overview]
Message-ID: <1a3fff79-6e94-4e55-b262-8970ad2d54f2@efficios.com> (raw)
In-Reply-To: <20261107171841.06d3ac92@fedora>
On 2026-11-07 17:18, Steven Rostedt wrote:
[...]
> The last sentence doesn't really make sense. I can figure it out
> because I know what the slowpath does, but as you see in my version, I
> go into a little more detail to why it's not an issue to break out of
> that spin on TASK_RUNNING.
Thanks for the feedback! I'll take your suggested wording as is and
add the two paragraphs about user-visible impact of the issue.
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
next prev parent reply other threads:[~2026-11-08 13:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 23:59 [PATCH 0/5] locking/rtmutex: priority inheritance fixes and tests Mathieu Desnoyers
2026-11-06 23:59 ` [PATCH 1/5] locking/rtmutex: Stop spinning on the owner when the waiter is woken Mathieu Desnoyers
2026-11-07 5:29 ` Steven Rostedt
2026-11-07 10:43 ` Peter Zijlstra
2026-11-07 12:29 ` Mathieu Desnoyers
2026-11-07 17:36 ` Steven Rostedt
2026-11-07 19:34 ` Mathieu Desnoyers
2026-11-07 22:18 ` Steven Rostedt
2026-11-08 13:23 ` Mathieu Desnoyers [this message]
2026-11-06 23:59 ` [PATCH 2/5] locking/rtmutex: Initialize the ww_mutex context of a waiter Mathieu Desnoyers
2026-11-06 23:59 ` [PATCH 3/5] locking/rtmutex: Clone a waiter's sort keys as it enters pi_waiters Mathieu Desnoyers
2026-11-07 10:57 ` Peter Zijlstra
2026-11-07 14:19 ` Mathieu Desnoyers
2026-11-06 23:59 ` [PATCH 4/5] selftests/futex: Test priority inheritance on PI futexes Mathieu Desnoyers
2026-11-06 23:59 ` [PATCH 5/5] locking/ww_mutex/test: Time an ABBA with both owners running Mathieu Desnoyers
2026-11-07 0:11 ` sashiko-bot
2026-11-07 0:27 ` Mathieu Desnoyers
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=1a3fff79-6e94-4e55-b262-8970ad2d54f2@efficios.com \
--to=mathieu.desnoyers@efficios.com \
--cc=andrealmeid@igalia.com \
--cc=bigeasy@linutronix.de \
--cc=boqun@kernel.org \
--cc=clrkwllms@kernel.org \
--cc=dave@stgolabs.net \
--cc=dvhart@infradead.org \
--cc=juri.lelli@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=linux-rt-devel@lists.linux.dev \
--cc=longman@redhat.com \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=shuah@kernel.org \
--cc=stable@vger.kernel.org \
--cc=tglx@kernel.org \
--cc=will@kernel.org \
/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®