From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f74.google.com (mail-wm1-f74.google.com [209.85.128.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E25BB38836A for ; Thu, 12 Mar 2026 09:23:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773307398; cv=none; b=DUwyHD9Zj0RZs8BqKtdRpNsxgsLgLMzim2dfnQ65Iqk+NlHMWZY/9oBgWwLYvoJkgTrtWyK1S5qwx1qH3gtImlddup2OTPxNvtKKtAUnNAjZQNO1dtyJVkVPh4JtlG/tR03HCi8+PFJp4abEJZlyoUjqNEamHVi0rpiP+DkqOEY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773307398; c=relaxed/simple; bh=pz+QK4kxfSdwEbArT7hXzuxcGTfKgY7syMJ6RBjmujs=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=kwXVMUU09ijzeV+pF2+kd+BcOdWtQZyj6YGS9TMU7cVX25FDAVL21ZgrXyL/lkG1xvRuC/HUBQsRudVe/hULX1VNQaG0z6y4Yi4OQVNkUeuuOpz9J7J3lWI0h4aj2UvfbaJTY5VrfRkEQ4Ie3coJ+KDg6Gr6ykqccobTJRld1L8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=NIje6bnK; arc=none smtp.client-ip=209.85.128.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--aliceryhl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="NIje6bnK" Received: by mail-wm1-f74.google.com with SMTP id 5b1f17b1804b1-48532df52c5so6700785e9.1 for ; Thu, 12 Mar 2026 02:23:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1773307394; x=1773912194; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=Z5l0POW7ods92+Es4vxjYOIQBNcIz63tv3MO7mCRKzc=; b=NIje6bnKVko/Q5pbVGbY/b7AwIUdgEho7s1Tqy7GvGBr9xR8GC/Y5DjUQoLp8Qyavw +EJBBfOYPkTZrFy144vy+TPjwcNkb+Xjr6U23Tk2huhAXchFY+YyoiK8vVkJPOVGKhMO NsmlCfm37QocLFro3UKuNSCZIvuSFzevmHS47y/132hxHWU8ZhPs7+shXBpg1egtLrd/ fMPBjhqL0zvHaGSv+suzNdkJZ/Nnh1UJrP7jvyhjf5430zz8P3QIaq02V3yYeOPIEDYK WUYDC/ZfqMyRPtFqP5gobTjq8ZEzt73Bcp0Xt8MS2OX4E8UvKrP57qHUnIyri/UiMl2o WOow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773307394; x=1773912194; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Z5l0POW7ods92+Es4vxjYOIQBNcIz63tv3MO7mCRKzc=; b=fiTXpc7QbYfihA7PG7vlGA/Ybqgez/Ttpdjb4c1B+ECiYr4333KTNOSYzYC+VRAb/C ac0FbbI4i82DO2AKoDUlNX9wUxkQr7iosHOHv6QAKhrG26zSkHqU/JVO1PiNpUWH6JCw ol4TLLq36bjbwpYlS3/48hZoRywMUjCQAjQjefGyKh8p+dlRwpX7BGgBREW5UoL5pQ8L o5XIbFBRSeBuUexMSii+XbANNVJyvHad2A2d3eepCDaZhWcTfmm1Y0Zl5z20WUSsYJm2 qlDqGwvTI2PZOWkzz4F3n3rAwxaWJkhL+i++XN37WT9NmwJePvBfeqUppQ3mBgMP3Slm qV8g== X-Forwarded-Encrypted: i=1; AJvYcCWdbByauELWoeBHNvRvqMsNlOJFoIc7qtLE4qlmDKTyHcRYaXqGnMyl6eZ9omkXL0w0im48s+RZLZkPHk8=@vger.kernel.org X-Gm-Message-State: AOJu0YzAJHtib12/1L3CN/lR23oA458hvnpvkzOjRFdCJcDorYRXIQdG SfMcNBrst4Kd93Uaslq0iZ0KPXtXMzGx749jLlNrQZq/JhiBaho1rC0TX44AF5s43FyQtmTEemL keW14KyYHwGNYSvsmCw== X-Received: from wmee13.prod.google.com ([2002:a05:600c:218d:b0:47e:e922:b080]) (user=aliceryhl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:4710:b0:485:3471:cffb with SMTP id 5b1f17b1804b1-4854b0bfdf0mr97949495e9.15.1773307393959; Thu, 12 Mar 2026 02:23:13 -0700 (PDT) Date: Thu, 12 Mar 2026 09:23:01 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAPWFsmkC/33QywrCMBAF0F+RrI1k8jDVlf8hLtp00ga1selDR frvpr5ALC7vwJzhzo00GBw2ZD27kYC9a5yvYpDzGTFlWhVIXR4z4YwrJgGoCZi2SM8+7OsOO6Q 5UwJUYnQqMxLXTgGtuzzI7S7m0jWtD9fHhR7G6R+sBwrU6jxDbQGZspvC++KAC+OPZNR6/hEAQ EwInDKaZFJxrQFWmfkRxFtYMs71hCBGQecIQlidyNWXMDwrBqy7+Kz21XMY7kdbH8xKAQAA X-Change-Id: 20250411-create-workqueue-d053158c7a4b X-Developer-Key: i=aliceryhl@google.com; a=openpgp; fpr=49F6C1FAA74960F43A5B86A1EE7A392FDE96209F X-Developer-Signature: v=1; a=openpgp-sha256; l=1516; i=aliceryhl@google.com; h=from:subject:message-id; bh=pz+QK4kxfSdwEbArT7hXzuxcGTfKgY7syMJ6RBjmujs=; b=owEBbQKS/ZANAwAKAQRYvu5YxjlGAcsmYgBpsoX7sVc+5dfeKTxD79I5FaiH/jXI7I/LfHvhg RQ5DRJ3IZqJAjMEAAEKAB0WIQSDkqKUTWQHCvFIvbIEWL7uWMY5RgUCabKF+wAKCRAEWL7uWMY5 RlmtD/9BOySqzW4chGh+Mn1vEn+x9GVreG3tyOrlOz+KFGDhyW7EKXDhB7T8q1td/FKtg3sFyrT b10PULyxLi3s8C6nQxTOulFmImgvKQ21aEs4fRUut7+yf7Bc/xjbH894qnQxJdw/cR4fpXGAwO8 pXitI7rKl9Xfc6yKe9zPiDJNYL0mO3OHfQ+QC8wbmH2R0PhinWsAI1+Eh7D9ZafMypRoSl+YT0e yqO1EhxlRqGbObIrqbnjFVE8Qg/VdNW/pV92V/TuanlohM4b9LdywNG9v7sNjdLORxm6NX/EmJh 8ABXFi2uyVXt9h7Vpin8atjXuxC/ob4f9jsORDK19HcwSEImsMEAP44p6flxfLr+/tQErOyxqqw 91WR/WtaUisEixvo67UWPkIvi+buGyG5o1CJBNZqxqIYnA1lnJvdEREgKvWDwH5Tc9oNulFy8ko zaYU8Vsps8ldFPBs/Faa+hB218DILz54Z4MpOVSTpg0JNMAy81p5D3SE1JxLy2t0HhD9zaXPd2h lqkEMe9mxwCjMKytqTCojxxsfDqxlbXeMJddHVFUNT0aZSAmc+l+IKHJ4C+Q2aSQB0sweO2uJmK ll48PUtSHZx2Fi0k0lEngZR0BobhB9Qj6JUw8XHpRyWgWE30G98GfCjtw4p4Bp/6NjswLWbBqI5 OfsIrfcYY1aGFIg== X-Mailer: b4 0.14.3 Message-ID: <20260312-create-workqueue-v4-0-ea39c351c38f@google.com> Subject: [PATCH v4 0/3] Creation of workqueues in Rust From: Alice Ryhl To: Tejun Heo , Miguel Ojeda Cc: Lai Jiangshan , Gary Guo , "=?utf-8?q?Bj=C3=B6rn_Roy_Baron?=" , Andreas Hindborg , Trevor Gross , Danilo Krummrich , Daniel Almeida , John Hubbard , Philipp Stanner , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Alice Ryhl , Boqun Feng , Benno Lossin , Tamir Duberstein , stable@vger.kernel.org Content-Type: text/plain; charset="utf-8" GPU drivers often need to create their own workqueues for various reasons. Add the ability to do so. Signed-off-by: Alice Ryhl --- Changes in v4: - Add link to delayed work fix. - Redo workqueue creation to prevent invalid configurations. - Introduce a directory as workqueue.rs was getting really large. - Link to v3: https://lore.kernel.org/r/20260227-create-workqueue-v3-0-87de133f7849@google.com Changes in v3: - Switch to builder pattern. - Drop BH workqueues for now. - Mark delayed wq change as fix. - Link to v2: https://lore.kernel.org/r/20251113-create-workqueue-v2-0-8b45277119bc@google.com Changes in v2: - Redo how flagging works. - Restrict delayed work to not be usable on custom workqueues. - Link to v1: https://lore.kernel.org/r/20250411-create-workqueue-v1-1-f7dbe7f1e05f@google.com --- Alice Ryhl (3): rust: workqueue: restrict delayed work to global wqs rust: workqueue: create workqueue subdirectory rust: workqueue: add creation of workqueues MAINTAINERS | 1 + rust/helpers/workqueue.c | 7 + rust/kernel/workqueue/builder.rs | 380 +++++++++++++++++++++++++ rust/kernel/{workqueue.rs => workqueue/mod.rs} | 53 +++- 4 files changed, 437 insertions(+), 4 deletions(-) --- base-commit: df9c51269a5e2a6fbca2884a756a4011a5e78748 change-id: 20250411-create-workqueue-d053158c7a4b Best regards, -- Alice Ryhl