From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-43172.protonmail.ch (mail-43172.protonmail.ch [185.70.43.172]) (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 1CF81434E2D for ; Wed, 8 Jul 2026 11:44:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.70.43.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783511062; cv=none; b=Ic9OEC5x9Rs6JulyxkivJ5J6xuVkrawHUfuKrheevfFlukkPEu0l3XfBhryxQA/HgTf7FIU/PDz4hojJDBLvQTQ4YVO8WoGnAc4VAsD04yITmHxtdPuC+DNnMWM35a3zCBc+vXfJc+XbnVIpN9NCkkMcL6XnbURhItpBoq8gHbU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783511062; c=relaxed/simple; bh=cKYCnZApM2IMZ9cjOn8VxeqOtJ/PUODUz3wEtlKvi2M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rqyzRHkIu3n6XJsjDc2qecDqcAKHx6/hAey9FeZLg830ZyF2Hj5lku3iQukE4KNwcfF5dmZE2xFx/T1JhwV9rvsG1hN73umnjK3Ed7z1NbIrzApRL9DtEGe9GCvt+CvNJfNPP7M+UyabbmZlt/m6NrhhAqeCz3kIrvdkXGUgUsg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (2048-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=LNkoyTwG; arc=none smtp.client-ip=185.70.43.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="LNkoyTwG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=protonmail; t=1783511050; x=1783770250; bh=o0KSKorGUygUV91TUOM/j3mZ88JSJ4I1wM0EFRoJHvU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:From:To: Cc:Date:Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=LNkoyTwGQQq0sLfQ5OUUl4M5q/eQdmaWTEZ3JVDOXPwrB1Us8EfJqwKxZLBmw5pEF 5iWr/yaltbHEEk86VxYcjZZuS9BB02iawhDP1kjTmXYDunl5U8bzJP56Z+tI3YvcH4 eR5XGvQUoTtAKxNjSbkj+46E3BPzCp3ACvfLpoYa/0Hf4IkJqE3zuMEvIUKiSgYO12 hRwj8NQOvPejEbzsJh4HOBxyPvp9jBLr4DkElBCqhPsJoz3FOftsBymPZwQn+Lqf+i zdGik6ZRImA6Tf8gwADE2Hg1SO1YBRwYQLQCeHiJ3iU+v6BuGRTdk3FWWaTzZbbJd2 +G29obmcGXYiw== X-Pm-Submission-Id: 4gwGTK2wmTz1DDLD From: =?UTF-8?q?Onur=20=C3=96zkan?= To: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: dakr@kernel.org, aliceryhl@google.com, daniel.almeida@collabora.com, airlied@gmail.com, simona@ffwll.ch, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH v3 1/3] rust: workqueue: impl Send and Sync for OwnedQueue Date: Wed, 8 Jul 2026 14:43:16 +0300 Message-ID: <20260708114358.957305-2-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20260708114358.957305-1-work@onurozkan.dev> References: <20260708114358.957305-1-work@onurozkan.dev> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allows OwnedQueue to be used across thread boundaries which is needed from the tyr reset implementation. Signed-off-by: Onur Özkan --- rust/kernel/workqueue/mod.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/workqueue/mod.rs b/rust/kernel/workqueue/mod.rs index 933032fc4a85..d766cd9b9175 100644 --- a/rust/kernel/workqueue/mod.rs +++ b/rust/kernel/workqueue/mod.rs @@ -383,6 +383,14 @@ pub struct OwnedQueue { queue: NonNull, } +// SAFETY: `OwnedQueue` has exclusive ownership of the workqueue and accesses to workqueues +// are thread safe as documented by the `Send` implementation for `Queue`. +unsafe impl Send for OwnedQueue {} + +// SAFETY: Shared access to an `OwnedQueue` only provides shared access to its `Queue` which +// is thread safe as documented by the `Sync` implementation for `Queue`. +unsafe impl Sync for OwnedQueue {} + impl Deref for OwnedQueue { type Target = Queue; fn deref(&self) -> &Queue { -- 2.51.2