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Date: Fri, 07 Aug 2026 20:35:15 +0200
Message-Id: <DKIXFKSP5V1U.12MPGENL0S0N1@kernel.org>
Subject: Re: [PATCH v2 6/6] rust: workqueue: add ScopedWork for non-'static
 work items
Cc: <rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
 <driver-core@lists.linux.dev>
To: <tj@kernel.org>, <jiangshanlai@gmail.com>, <aliceryhl@google.com>,
 <ojeda@kernel.org>, <boqun@kernel.org>, <gary@garyguo.net>,
 <bjorn3_gh@protonmail.com>, <lossin@kernel.org>, <a.hindborg@kernel.org>,
 <tmgross@umich.edu>, <daniel.almeida@collabora.com>, <tamird@kernel.org>,
 <acourbot@nvidia.com>, <work@onurozkan.dev>, <jhubbard@nvidia.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260807165252.3849875-1-dakr@kernel.org>
 <20260807165252.3849875-7-dakr@kernel.org>
In-Reply-To: <20260807165252.3849875-7-dakr@kernel.org>

On Fri Aug 7, 2026 at 6:52 PM CEST, Danilo Krummrich wrote:
> +#[pinned_drop]
> +impl<T: ScopedWorkItem> PinnedDrop for ScopedWork<T> {
> +    #[inline]
> +    fn drop(self: Pin<&mut Self>) {
> +        let inner =3D self.inner.get();
> +
> +        // SAFETY: `inner` points to a valid `ScopedWorkRef`. After `can=
cel_work_sync()` returns,
> +        // the work function is guaranteed to not be running.
> +        unsafe { bindings::cancel_work_sync(Work::raw_get(&raw const (*i=
nner).work)) };

	// SAFETY: `inner` is valid and no longer accessed by the work function.
	unsafe { core::ptr::drop_in_place(inner) };

> +    }
> +}