From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 156573644BE for ; Mon, 13 Apr 2026 17:29:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776101372; cv=none; b=Y03tJUxGBw28Cvz9DYMRH9Ynnl65VrhU91dsA5zkS3HWAqZ8K7+JNerrPtpOQStStZ6hwJt2W+neWGOE07F2krGvTYFGieUEjeEX6M+LjfQh60QoUBVWns0ywlMtP8HRbg0N5zisU8YyVPDh+9sh/WCY0ZHjQH+vI4Bx8/ueVMM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776101372; c=relaxed/simple; bh=5hUte5KQixI3ARQinv2upYfqKsPUvjSyodMxMU6Y8kY=; h=Date:Message-ID:From:To:Cc:Subject; b=byQeUQE0JznEMpv7eQQtGM0iOirFM5nm0m/DGXn6vjGO975VkhCiHaJ8ELkPY4PEbPLlF+GNTQywalCADh4h+PQ+tbY0fQ9lM565Qkwp+Xg4UcHjKE0zehSLJUNfEUM0OrMY+FmUViuRZpUYMwaSpmGoO4Eh6YSWhCJOwGSvZUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fiuwITTG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fiuwITTG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 565A6C2BCAF; Mon, 13 Apr 2026 17:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776101371; bh=5hUte5KQixI3ARQinv2upYfqKsPUvjSyodMxMU6Y8kY=; h=Date:From:To:Cc:Subject:From; b=fiuwITTGkzI/hwFC0GpU72B6GVBUnxUWpTdp6JmqbMevFk+Z2dY5viPCxJfjoaRsr nBss+Yv6fdPDSn28+ZVC0foAP/z1KCAzlN9I8x/clQOksWuhkF6xDJQtWTcZUGukSe wWuSB8UV3VwSa6mZePd6YQAgpc1voSoRqXQV6qVub/GLny3z26XwNxDJ3lojvdQSZ0 QGdfCR3SFntua4XMfqTZjXL0Qrm/qOpFkA0qfjWq336M3XX2qShAPD3o0YnI7W0dbL Lwr1BmDPtk+9rUA6giGJN1DXlvpMKpeYYOcnexknjyuUAuFwe7PdP5as00U1jNlvNt aE964j9M31nBw== Date: Mon, 13 Apr 2026 07:29:30 -1000 Message-ID: <283d252c7356bdc7640f48ef716051cb@kernel.org> From: Tejun Heo To: Linus Torvalds Cc: Lai Jiangshan , linux-kernel@vger.kernel.org Subject: [GIT PULL] workqueue changes for v7.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hello, The following changes since commit 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f: Linux 7.0-rc1 (2026-02-22 13:18:59 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git tags/wq-for-7.1 for you to fetch changes up to 76af54648899abbd6b449c035583e47fd407078a: workqueue: validate cpumask_first() result in llc_populate_cpu_shard_id() (2026-04-13 06:15:26 -1000) ---------------------------------------------------------------- workqueue: Changes for v7.1 - New default WQ_AFFN_CACHE_SHARD affinity scope subdivides LLCs into smaller shards to improve scalability on machines with many CPUs per LLC. - Misc: system_dfl_long_wq for long unbound works, devm_alloc_workqueue() for device-managed allocation, sysfs exposure for ordered workqueues and the EFI workqueue, removal of HK_TYPE_WQ from wq_unbound_cpumask, and various small fixes. ---------------------------------------------------------------- Arnd Bergmann (1): workqueue: avoid unguarded 64-bit division Breno Leitao (12): tools/workqueue/wq_dump.py: remove backslash separator from node_nr/max_active header tools/workqueue/wq_dump.py: fix column alignment in node_nr/max_active section tools/workqueue/wq_dump.py: add NODE prefix to all node columns workqueue: fix parse_affn_scope() prefix matching bug workqueue: unlink pwqs from wq->pwqs list in alloc_and_link_pwqs() error path workqueue: fix typo in WQ_AFFN_SMT comment workqueue: add WQ_AFFN_CACHE_SHARD affinity scope workqueue: set WQ_AFFN_CACHE_SHARD as the default affinity scope tools/workqueue: add CACHE_SHARD support to wq_dump.py workqueue: add test_workqueue benchmark module docs: workqueue: document WQ_AFFN_CACHE_SHARD affinity scope workqueue: validate cpumask_first() result in llc_populate_cpu_shard_id() Krzysztof Kozlowski (1): workqueue: devres: Add device-managed allocate workqueue Mallesh Koujalagi (1): workqueue: Update documentation as per system_percpu_wq naming Maninder Singh (1): workqueue: use NR_STD_WORKER_POOLS instead of hardcoded value Marco Crivellari (1): workqueue: Add system_dfl_long_wq for long unbound works Sebastian Andrzej Siewior (2): workqueue: Allow to expose ordered workqueues via sysfs efi: Allow to expose the workqueue via sysfs Tejun Heo (2): Merge branch 'for-7.1-devm-alloc-wq' into for-7.1 workqueue: Remove NULL wq WARN in __queue_delayed_work() Waiman Long (1): workqueue: Remove HK_TYPE_WQ from affecting wq_unbound_cpumask Documentation/admin-guide/kernel-parameters.txt | 3 +- Documentation/core-api/workqueue.rst | 14 +- Documentation/driver-api/driver-model/devres.rst | 4 + drivers/firmware/efi/efi.c | 2 +- include/linux/workqueue.h | 47 +++- kernel/workqueue.c | 285 ++++++++++++++++++++-- lib/Kconfig.debug | 10 + lib/Makefile | 1 + lib/test_workqueue.c | 294 +++++++++++++++++++++++ tools/workqueue/wq_dump.py | 20 +- 10 files changed, 629 insertions(+), 51 deletions(-) create mode 100644 lib/test_workqueue.c -- tejun