From: Shakeel Butt <shakeel.butt@linux.dev>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.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: Thu, 1 Oct 2026 04:44:16 -0700 [thread overview]
Message-ID: <ar5GDz-NSJBWX3j9@linux.dev> (raw)
In-Reply-To: <20261001104154.GJ4121339@noisy.programming.kicks-ass.net>
On Thu, Oct 01, 2026 at 12:41:54PM +0200, Peter Zijlstra wrote:
> On Mon, Sep 28, 2026 at 01:34:30PM -1000, Tejun Heo wrote:
> > 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.
>
> So I must admit to absolutely hating these patches.
I think I should have started a conversation/discussion email before sending out
the multiple patch series which kind of doing multiple overlapping things and it
is causing confusion. Let me actually do that and I will CC relevant folks.
prev parent reply other threads:[~2026-10-01 11:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 15:50 [PATCH RESEND 0/7] locking: opt-in tracking of sleeping lock holders 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 ` [PATCH RESEND 0/7] locking: opt-in tracking of sleeping lock holders Tejun Heo
2026-10-01 10:41 ` Peter Zijlstra
2026-10-01 11:44 ` Shakeel Butt [this message]
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