From nobody Sun Feb 8 21:46:33 2026 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 CF7C92F362A; Sun, 25 Jan 2026 22:48:34 +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=1769381314; cv=none; b=d69r0w0zynyMz1LJCF9stQkqyoqb74P3mAsWglOXsaX6Jqml19Wcte7ZcsjVJ5Rrp7B53jpx1yko7KB46ZyvFUC4HoU1IGymyvG5uQKnHOrUXr14gUD6qndlH1hUxxoY7VIxQ1EiWBqRY6iZe0PFZl82PgPlKQXCDs2m8Nw6HAI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769381314; c=relaxed/simple; bh=xcMcLXp9lSxfZhVrsREHiMXj3hvNw6ylCQ2N03wRKM0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rI+Y8KlxuHvYwQJU80SwKeXyGIKkmeqcteTAOmiedpUnzVdgGIBJAeWFuLrDRy0QrAeWyxGcPp6UvtpvMx3zpkB7tSpLknWWgKxDAHlJf8K5T+HyRkn3p6l1HYwScrb1Zu0RTYP7hak4dHhEn62urynnqycuRNMEPLP8/TjGiQY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QmeExAOs; 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="QmeExAOs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC069C2BC87; Sun, 25 Jan 2026 22:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769381314; bh=xcMcLXp9lSxfZhVrsREHiMXj3hvNw6ylCQ2N03wRKM0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QmeExAOsPNVoad+FjY6nF+vUq/CT43QF/yEuMh6eHWpIhuE6ZhsTyd5DgYVaFdhRA KSrOxbUrqW5spLkd02FS+St8WkGKBIm+v3PMxvJLp1CI21bHFT5B83sW9aoEvZd7EZ wLGM69jCyrsM0H58qDzzf0R8iRbdcsrDdiowQ99KVna6CUb5V2fJVSJxg5AUF6Qw9u FAWcSRhFRJXdqspv5nZhIU/oCRP5Wf0+b2FMOnlohs0YeAWa9QzyeMxmiuo5sfIrrr 3ETdzmebs0OLqjVcHCp0rHJFMPuaSujPyR7DCLDzl/Lv+WMKVs8eZVXX99M8M05ujn feLcLjAzWadHg== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , =?UTF-8?q?Michal=20Koutn=C3=BD?= , Andrew Morton , Bjorn Helgaas , Catalin Marinas , Chen Ridong , Danilo Krummrich , "David S . Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Waiman Long , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 20/33] timers/migration: Remove superfluous cpuset isolation test Date: Sun, 25 Jan 2026 23:45:27 +0100 Message-ID: <20260125224541.50226-21-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260125224541.50226-1-frederic@kernel.org> References: <20260125224541.50226-1-frederic@kernel.org> 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" Cpuset isolated partitions are now included in HK_TYPE_DOMAIN. Testing if a CPU is part of an isolated partition alone is now useless. Remove the superflous test. Signed-off-by: Frederic Weisbecker Reviewed-by: Waiman Long --- kernel/time/timer_migration.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c index 3879575a4975..6da9cd562b20 100644 --- a/kernel/time/timer_migration.c +++ b/kernel/time/timer_migration.c @@ -466,9 +466,8 @@ static inline bool tmigr_is_isolated(int cpu) { if (!static_branch_unlikely(&tmigr_exclude_isolated)) return false; - return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) || - cpuset_cpu_is_isolated(cpu)) && - housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE); + return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) && + housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE)); } =20 /* --=20 2.51.1