From nobody Thu Apr 2 01:48:16 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82EC938656C; Mon, 23 Mar 2026 23:27:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774308475; cv=pass; b=ElYNXOs8GXYPdYck4q3EuZvHazn9NRKlSXc9WuiOK99gv1sgaX8ZE/peYXavVY/7ICaHfBW7PDYWtIY1IC1JDpCCOjER2p/LUQN0ygCwvItx8dIEb8t0OM1o/qMlC7ah7TquDs9E76BixEUe5zxZnJOpTg6PLw+oPJVH9MIXizE= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774308475; c=relaxed/simple; bh=j2sACktICz+B0u+QUJrYfCFZZlLghdbCC9AmBrT/Gg8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rDVtPUzXjeQXgkn1Qx/aYkeM6Uo+nkSN4N3sk7dHxfbulb3v7pMC6jaG0J7WHdMRZ+CR+Ga+CADUNSNoNvG47a3Q1fwcqVx+OKy5iNtSHPXuXAmm9ILJzQcZ+ODDZmKTQsxqXG+dokgZfgYBMuq/ply+K9mIWKddUrtWGmCAiM4= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b=MC0Zvl9m; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b="MC0Zvl9m" ARC-Seal: i=1; a=rsa-sha256; t=1774308460; cv=none; d=zohomail.com; s=zohoarc; b=df0PnsAi/fYQoxvhh62YTfmt+gDZNAZGU6KOnNTPlqWJ4SIdgLm6OguBWC3LOmMmk7Ld1lx2GxQ/vfQTxGe/dbuC9R4rY14qUA4h5v3cr/PvreRgMVSIaQPB9/A/zLu+94ghUtGfsVsbbh5qWP7v1q0X0IcsWqfRxiS+86tp6oY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1774308460; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=B9GTeddBPRV1DGgLqH3Ls9PLkdYCJyyYaSiXhSEZxIo=; b=ZuVP2nEfLGsgfjTzd49li6FuBEzElQOyGQq+5gWF/i4QLK56F9JBsDC7TyFA8Rvx9jdECFch8jAX7bDAvRL/B7zOaNONTdnDaXt5N5nRYZ407mkauxPGFMBGNrxcgQz3i5fL1DYWDFObWeTvVkfoFnWtqgzTQSlglJPIjHahccw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=daniel.almeida@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1774308460; s=zohomail; d=collabora.com; i=daniel.almeida@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=B9GTeddBPRV1DGgLqH3Ls9PLkdYCJyyYaSiXhSEZxIo=; b=MC0Zvl9mdBvmOwxtnsQ8bvSiKxQw+u4x9blxgOtHjIX9aWrwLQrGUGso3d8UE2qu NRGatnyplaMe/6vdIczwB6tnh6wPPXMG6h0CkpdC5rrCnohyvhww7CP/lIA0FKo87sP L82rW851feDinN4ESK66VTfsUfhTBgnAe8KSkLdE= Received: by mx.zohomail.com with SMTPS id 1774308459125951.9327010750577; Mon, 23 Mar 2026 16:27:39 -0700 (PDT) From: Daniel Almeida Date: Mon, 23 Mar 2026 20:27:01 -0300 Subject: [PATCH v3 3/4] rust: workqueue: add delayed work support for ARef Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260323-aref-workitem-v3-3-f59729b812aa@collabora.com> References: <20260323-aref-workitem-v3-0-f59729b812aa@collabora.com> In-Reply-To: <20260323-aref-workitem-v3-0-f59729b812aa@collabora.com> To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , David Airlie , Simona Vetter Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Almeida X-Mailer: b4 0.14.3 X-ZohoMailClient: External The preceding patches added support for ARef work items. By the same token, add support for delayed work items too. The rationale is the same: it may be convenient or even necessary at times to implement HasDelayedWork directly on ARef. A follow up patch will also implement support for drm::Device as the first user. Reviewed-by: Alice Ryhl Acked-by: Danilo Krummrich Signed-off-by: Daniel Almeida --- rust/kernel/workqueue.rs | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/rust/kernel/workqueue.rs b/rust/kernel/workqueue.rs index 6ae7f3fb3496..4ee4ff567197 100644 --- a/rust/kernel/workqueue.rs +++ b/rust/kernel/workqueue.rs @@ -1007,6 +1007,17 @@ unsafe fn __enqueue(self, queue_work_on: F) -> Se= lf::EnqueueOutput } } =20 +// SAFETY: By the safety requirements of `HasDelayedWork`, the `work_struc= t` returned by methods in +// `HasWork` provides a `work_struct` that is the `work` field of a `delay= ed_work`, and the rest of +// the `delayed_work` has the same access rules as its `work` field. +unsafe impl RawDelayedWorkItem for ARef +where + T: WorkItem, + T: HasDelayedWork, + T: AlwaysRefCounted, +{ +} + /// Returns the system work queue (`system_wq`). /// /// It is the one used by `schedule[_delayed]_work[_on]()`. Multi-CPU mult= i-threaded. There are --=20 2.53.0