From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792511434; b=0l8KKNggJm5MvGteZZp2vjz58Gsvqdd1K0QzR0I6qgD0LzjLZJJ+SAOYdFgCL7MuoF4p UCqXZmKPQDI/adN+iYxV5qjCPyIIbvaUOhivL7bhFhQcPV3QzYZgRkXirhIZY0svyUz3/ gRgBad0P+d1DExVrAf9QcemZln0cpSDJy07vN+eTkycl0P6A5k/zCeNv1VRQGejZQADLF P784CFrQ/ClpwfK0LrPljNxu271hCf72VxyZTKCHsT6bf1p2z1hxJ5fsb24i620E2kvlu E0BNKDW+YU3ZBUTJbVtFrB90WsoQw8Mv9ic+sGLNoe0tRrifrm+yj6I3jPGlZiyOgjw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792511434; h=Received:Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=t0bi4tUQr/an9lqfPaXouTWkicH+9GlX4LzyE5eMtI0=; b=yWyB4ikmB3Fi+bqZoOMMlhq2y0nCsZevMvFzIKyBWsSNiC0osu0TvxU1BmuNMRI81rKC hQqegD6f/3UFiatv70q8mySLph4shJsUtYHtB+7jlBFgDrvyqPt3gTMRUGcKs6J9HsZXP R4l7ZQFeWuxFAyTcQhwB2A90v7Y7ehpA1scy7kcZM/0XhfZ1TLyA5L/HqKDOpkNlVBpdo FbVwfvf+5M8lMCgrs3ZTp0PdklbFBqaQU5dj2WygyCmLytnCSbWQIVldp4D0iGwP4TO2T +aZrvwXrbFF6FBiZT3BDh6IgsYjZxxx15TJmRdLeiZ5HdgbDp0oMzM+feJqMHyK7kAA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4CB9C606A31E; Tue, 20 Oct 2026 15:50:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E55091F000C4; Tue, 20 Oct 2026 15:50:33 +0000 (UTC) Date: Tue, 20 Oct 2026 05:50:02 -1000 Message-ID: <72dfeedcd55b27783c86f1a3ab461865@kernel.org> From: Tejun Heo To: Alice Ryhl Cc: Lai Jiangshan , Miguel Ojeda , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?UTF-8?Q?Onur_=C3=96zkan?= , Jonathan Corbet , Shuah Khan , Randy Dunlap , Alex Shi , Yanteng Si , Dongliang Mu , Greg Kroah-Hartman , Carlos Llamas , Marco Crivellari , rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] rust: workqueue: replace deprecated system_wq with system_{percpu,dfl}_wq In-Reply-To: <20261014-rust-workqueue-system-fix-v2-1-c018b8f870f9@google.com> References: <20261014-rust-workqueue-system-fix-v2-1-c018b8f870f9@google.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit On Wed, Oct 14, 2026 at 09:08:35AM +0000, Alice Ryhl wrote: > From: Danilo Krummrich > > system_wq is deprecated and triggers a runtime warning: > > [ 0.857414] workqueue: work func ...WorkItemPointerKy0_E3runB7_ enqueued on deprecated workqueue. Use system_{percpu|dfl}_wq instead. > > Replace system() with system_percpu() and system_dfl(), to match the > previous behavior of the deprecated system() and convert doc examples > and tests to system_dfl(). > > system_unbound_wq is deprecated in the same way, in favor of > system_dfl_wq. Since system_unbound() has no users, just remove it as > well. > > Fixes: 64d8eae3f895 ("workqueue: Add warnings and fallback if system_{unbound}_wq is used") > Signed-off-by: Danilo Krummrich > Reviewed-by: Daniel Almeida > Reviewed-by: Boqun Feng > Reviewed-by: Dongliang Mu > Signed-off-by: Alice Ryhl Acked-by: Tejun Heo Thanks. -- tejun