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Date: Mon, 28 Sep 2026 13:34:30 -1000
Message-ID: <10b93dce66eb13a23fbab563df259092@kernel.org>
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
In-Reply-To: <20260924155025.949998-1-shakeel.butt@linux.dev>
References: <20260924155025.949998-1-shakeel.butt@linux.dev>
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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