From nobody Fri Dec 19 12:30:00 2025 Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) (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 0FCB717BCE for ; Wed, 3 Jul 2024 03:36:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719977774; cv=none; b=XLapxzhZTukWAOGrSU1XVDE4skZYrrnjmS7MgY/nUh096XVSUfllCZ/PG6GejcFBlle+/3U7dIvJlQNMeB+e4qSd+GFUn3xfc3hI9qwqcb5HkSN3J8Tv3fGP1jEQ6JNhbwkxkVUXWK6q4P8s7EBBSyNZC34Hnb5eXLXq8m/wYNQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719977774; c=relaxed/simple; bh=kfVfIUpaxcr171PH8DCDoG+zD7xsW9GTLz4zvQJLWMI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=poO3aQDMYMHi2TxSZ541ehJe0keRUQ0if/zssUcB4vkYRAcalM/mMJyQ7+piHHmXsOSQn56G/kwiaRXK6x95ejaU9qf6YbfxARdzeFFFqmgcSRSk4IhOW9050tIVc98kDqHJ5Ql5b89u3wT0y5zWeKwJSPRJprhNDqtrpUikOY8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CXmKqFI/; arc=none smtp.client-ip=209.85.214.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CXmKqFI/" Received: by mail-pl1-f177.google.com with SMTP id d9443c01a7336-1fab03d2f23so38079555ad.0 for ; Tue, 02 Jul 2024 20:36:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719977772; x=1720582572; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4GJ1xuGIg/34+KoYPJFdTKabqBtfsZIj48w+G481zs0=; b=CXmKqFI/wjz+Yy3dO4pEu/r4vKYHfNmxIS7xtN/RHG19AaboGU4ZDUrST6dTi3IKR8 VqDLmN4hLWtWSBfWrAzdImi21TKG1+3Rgg0Stg1yjaV9U/pDPUnpbqyceobAcGCyv7O+ TzJu3MtIs4MQZprU0bhXRUv+5UbnNz/APFzb2tl+cfLAQu8RNi8QtMjoUB+AKZ5w8Yb9 n68TANI8P+nhhCcJXBiBrBocrhOH+ZxOC5eGw3oDO4eflF+rp/dRvXe3XyIK6CvfzmjA gpp8WXXeY35X/lFOnJ+fa7BF3nvXVDrbEno4ePMDG5XTdDo2Z8fx/JQ/A8BZ2gadNBhM q4ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719977772; x=1720582572; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4GJ1xuGIg/34+KoYPJFdTKabqBtfsZIj48w+G481zs0=; b=G2sPakNEl94DPJ2kyb9E+HsH68fXu0m/snICB+oltchGf4G6VmHSJG3YBUAUwJOoMm fLc4NR3iBMUA3ZfRkJVWIvV9iXS/Xvpibb6QrghHC6ihngTzbUEeclh/jrrGfwn6Mf6V dfiPAAzopz1BN2VVVMPqUz+38siwjDaEf5UI2D9nyV2N9EbPQ2N9UX2Rv7yMHfpOzfM9 WvHK4fwDG7HBJcEv/WHsRPhBQF/0nIC5Fjb7qkM+Ck4E2cc88woMX6dhXqV79iP+MQC4 D8QKS1onBj/xOTNZCvF5AcTvR192HPL+SIqOIwHUPY0is8r00OGqfduNIos9jl/kF++M +7EQ== X-Gm-Message-State: AOJu0Yy89r7OZ4KCoxowG1twF3pxZhBjzx3h2fwbgyfL5vLlQyOzXD0H O1o2XDdo36pV7NEz3MP7YdAzea8iB0Xqt40Qix7eMUVzJVgO+RRQfi2HHg== X-Google-Smtp-Source: AGHT+IGWu9ztojNDm+/rzblVADUU5I3e7uzJjkc7CF3Q9H/fd/D62poomL6IIZKCcyzRNxj+qpYgHg== X-Received: by 2002:a17:902:e88f:b0:1f7:2479:a50b with SMTP id d9443c01a7336-1fadbce9d4emr72308405ad.54.1719977772012; Tue, 02 Jul 2024 20:36:12 -0700 (PDT) Received: from localhost ([198.11.178.15]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1faf92d84cbsm22478025ad.127.2024.07.02.20.36.11 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Jul 2024 20:36:11 -0700 (PDT) From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Tejun Heo , Lai Jiangshan Subject: [PATCH 1/6] workqueue: Register sysfs after the whole creation of the new wq Date: Wed, 3 Jul 2024 11:38:50 +0800 Message-Id: <20240703033855.3373-2-jiangshanlai@gmail.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20240703033855.3373-1-jiangshanlai@gmail.com> References: <20240703033855.3373-1-jiangshanlai@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Lai Jiangshan workqueue creation includes adding it to the workqueue list. Prepare for moving the whole workqueue initializing procedure into wq_pool_mutex and cpu hotplug locks. Signed-off-by: Lai Jiangshan --- kernel/workqueue.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 7a33f958dcb2..c738b3024cc2 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5689,9 +5689,6 @@ struct workqueue_struct *alloc_workqueue(const char *= fmt, if (wq_online && init_rescuer(wq) < 0) goto err_destroy; =20 - if ((wq->flags & WQ_SYSFS) && workqueue_sysfs_register(wq)) - goto err_destroy; - /* * wq_pool_mutex protects global freeze state and workqueues list. * Grab it, adjust max_active and add the new @wq to workqueues @@ -5707,6 +5704,9 @@ struct workqueue_struct *alloc_workqueue(const char *= fmt, =20 mutex_unlock(&wq_pool_mutex); =20 + if ((wq->flags & WQ_SYSFS) && workqueue_sysfs_register(wq)) + goto err_destroy; + return wq; =20 err_free_node_nr_active: --=20 2.19.1.6.gb485710b