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Date: Wed, 17 Sep 2025 05:24:37 +0000
From: Tzung-Bi Shih <tzungbi@kernel.org>
To: Benson Leung <bleung@chromium.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Danilo Krummrich <dakr@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>,
	Dawid Niedzwiecki <dawidn@google.com>, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, chrome-platform@lists.linux.dev,
	linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v3 1/5] revocable: Revocable resource management
Message-ID: <aMpGFXII_WGviShc@google.com>
References: <20250912081718.3827390-1-tzungbi@kernel.org>
 <20250912081718.3827390-2-tzungbi@kernel.org>
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In-Reply-To: <20250912081718.3827390-2-tzungbi@kernel.org>

On Fri, Sep 12, 2025 at 08:17:13AM +0000, Tzung-Bi Shih wrote:
> +void *revocable_try_access(struct revocable *rev) __acquires(&rev->rp->srcu)
> +{
> +	struct revocable_provider *rp = rev->rp;
> +
> +	rev->idx = srcu_read_lock(&rp->srcu);
> +	return rcu_dereference(rp->res);

Got a warning from lock debugging.  This should be srcu_dereference().  Will
fix it in the next version.