From: Tejun Heo <tj@kernel.org>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Boqun Feng <boqun@kernel.org>, Waiman Long <longman@redhat.com>,
Paul McKenney <paulmck@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Christian Brauner <christian@brauner.io>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>,
Meta kernel team <kernel-team@meta.com>,
cgroups@vger.kernel.org, driver-core@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND 0/7] locking: opt-in tracking of sleeping lock holders
Date: Mon, 28 Sep 2026 13:34:30 -1000 [thread overview]
Message-ID: <10b93dce66eb13a23fbab563df259092@kernel.org> (raw)
In-Reply-To: <20260924155025.949998-1-shakeel.butt@linux.dev>
Hello, Shakeel.
On Thu, Sep 24, 2026 at 08:50:18AM -0700, Shakeel Butt wrote:
> The answer is a count in task_struct. Only the locks that ask to be
> tracked are counted. The mechanism introduced here is planned to be used
> by solutions for shared lock isolation scenarios [1].
...
> [1] https://lore.kernel.org/20260921192559.2619635-1-shakeel.butt@linux.dev/
Let's resolve the discussion on the overall approach first.
Thanks.
--
tejun
prev parent reply other threads:[~2026-09-28 23:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 15:50 Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 1/7] locking: add " Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 2/7] locking/rwsem: track holders of opted-in rw_semaphores Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 3/7] locking/mutex: track holders of opted-in mutexes Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 4/7] locking/percpu-rwsem: track holders of opted-in percpu_rw_semaphores Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 5/7] locking/selftests: add KUnit tests for lock holder tracking Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 6/7] Documentation/locking: document sleeping " Shakeel Butt
2026-09-24 15:50 ` [PATCH RESEND 7/7] kernfs, cgroup: track holders of the cgroupfs locks Shakeel Butt
2026-09-28 23:34 ` Tejun Heo [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=10b93dce66eb13a23fbab563df259092@kernel.org \
--to=tj@kernel.org \
--cc=bigeasy@linutronix.de \
--cc=boqun@kernel.org \
--cc=cgroups@vger.kernel.org \
--cc=christian@brauner.io \
--cc=corbet@lwn.net \
--cc=driver-core@lists.linux.dev \
--cc=gregkh@linuxfoundation.org \
--cc=hannes@cmpxchg.org \
--cc=kernel-team@meta.com \
--cc=linux-kernel@vger.kernel.org \
--cc=longman@redhat.com \
--cc=mingo@redhat.com \
--cc=paulmck@kernel.org \
--cc=peterz@infradead.org \
--cc=shakeel.butt@linux.dev \
--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®