From nobody Wed Dec 17 10:19:37 2025 Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) (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 B752B155A24 for ; Thu, 11 Jul 2024 08:35:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720686948; cv=none; b=ImVvG0xfRL6y+UcksVkwCdIwBY2ahQWFZbM52M6WQiGk+mTA1opS4DOEwodkEqa2kVRHWdo2E6+rQ+4aAjmIqUWu06hqL8YPGKV9uczQC571D+P5mcDuLgav9gNgShZwuzBJEfSKlzyvmPNoWaa2VcLpQbp+ml5MDhu9ZAqzQvM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720686948; c=relaxed/simple; bh=eVrzFQh2gzasohNtJrVRYNU4IlzKN8XLynoUq7Ij4uI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=HVU6gsniQUZkb8fip1sQhBa2UKzPR132oYKYMU203+h5mTkULhPhsxqW2SU2bzO8UJI1lmqTf5fS3d4ormbPmcnnmNQZQvDb0Vq+l/TqdQYEdcn4Hv89Mp3JLzF3wzN7pByz7bWW2Hwa7iGCI8W5HrJuDfkWfrM2peQHUdn6k4w= 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=CmnNML4I; arc=none smtp.client-ip=209.85.216.41 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="CmnNML4I" Received: by mail-pj1-f41.google.com with SMTP id 98e67ed59e1d1-2c96170d23eso525440a91.0 for ; Thu, 11 Jul 2024 01:35:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1720686946; x=1721291746; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=qq8kwvZKqPvz6y5zTKRIEuAEAuvxbyjF4fZE1ScwzjY=; b=CmnNML4I6CseQlSQb9FM07nl1yw6xpCUJW/4U6VlpnU0Ty0QmPdLtha02WNLguz/WM 4YdGBt0lM3UA30ajHuiFqiTC16xdHYIgm28SyWaVeNrqnqZqy2yiiBGAZw6TxPT47fEn lIQgqJFGJCu5QS0KLDVryzYMhS8WLR+AfcCMLMv1jR1GJNi7HXfAFyOPXA/zLzkR6TWE JrEWYeyVol9ZIwaKsmd+l/rebdcGIeD6ABX/Sx5V01sDOTyorRJ4k9ffJAf/rJkQCdaO x5cNefCrji30OE2BTtORTYqUWxJliU1h3ucDU/t18IorNPwyomjhN6vqEKBl8yaOyfw0 i0MA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720686946; x=1721291746; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qq8kwvZKqPvz6y5zTKRIEuAEAuvxbyjF4fZE1ScwzjY=; b=m/KHnOWFLH8U56Q/5xjjoECbSLpwOMwNHQkOjE4xfBP7qAXlH/Hl9R5kfASHgz0CE+ e4LqZxZZibo/ti2JFGw3Lh7E5kf3RLLAC5heZomfyr+cI6tYOZA97woxDo2/yayhO67v q4MP4Q1MB8hBfmoiCFZeO1zIxVjHDqyHOtYno35QsJhSerDtg+GmBhbUvFGK+gxNzpaV fNnMbxzsraKOHHVAx1qlcOdM5NMtTLBaIYhnu2GNP6fci8czvByRS3kC0PUFmSW1pBRP ecGxE3inEwIkrayfrG4GybUgR4oUnHnyI5iogxZauGFaorHRbPqgU4V8bMG6OZJqD6gf tRXw== X-Gm-Message-State: AOJu0YwLZvEsqJVp5hzvzMcieYkAo7uxEDFoT4q+4xuRCRTeCaLZU4Bt GD9LLIY2XnvWpZvppOPJ6cOOOSqD5nFetCmQ5OtvsftqSnZ2r2+rC/FmmA== X-Google-Smtp-Source: AGHT+IGUt6WETC4rSEgAs5YuoG2vVIdNcXGM8Z3YHTLFZ7MSQqVNZVFNLu7K3+WPmzye3AnrP6ybKg== X-Received: by 2002:a17:90b:120c:b0:2c9:64fb:1c7e with SMTP id 98e67ed59e1d1-2ca35c32e30mr6510506a91.14.1720686945637; Thu, 11 Jul 2024 01:35:45 -0700 (PDT) Received: from localhost ([47.89.225.180]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2ca34e6a252sm5084517a91.14.2024.07.11.01.35.44 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Jul 2024 01:35:45 -0700 (PDT) From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Tejun Heo , Lai Jiangshan Subject: [PATCH] workqueue: Simplify pool_allowed_cpus() Date: Thu, 11 Jul 2024 16:38:31 +0800 Message-Id: <20240711083831.4273-1-jiangshanlai@gmail.com> X-Mailer: git-send-email 2.19.1.6.gb485710b 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 For cpu worker pools, attrs->affn_strict is true; attrs->__pod_cpumask and attrs->cpumask are the same. Skip the pool->cpu test in pool_allowed_cpus() and use pool->attrs->__pod_cpumask. Signed-off-by: Lai Jiangshan --- kernel/workqueue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 8b2a0fe4a85e..5d362290c2e8 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2646,7 +2646,7 @@ static struct worker *alloc_worker(int node) =20 static cpumask_t *pool_allowed_cpus(struct worker_pool *pool) { - if (pool->cpu < 0 && pool->attrs->affn_strict) + if (pool->attrs->affn_strict) return pool->attrs->__pod_cpumask; else return pool->attrs->cpumask; --=20 2.19.1.6.gb485710b