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 C439E33B6E6; Wed, 24 Dec 2025 13:46:24 +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=1766583984; cv=none; b=UEGXtm0plpwYZBW389o70Z4I581J6ffeeSCL0PFp2m77lo2XJL1VcZupFemfGTWlgySPgs+CkcG2srs+GlW025UswU5MRZNI1fnZ+t+577865RD+Wp3LFX3kOxDgjPTy0Wzm3PW9F7lkUgYl/Tw/2kPsbbNDbVWkn7N+GymTVXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766583984; c=relaxed/simple; bh=++rdiwH6xC2TpgAmAKSO1o1OoJV81/TbDXeB42N/L1I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AEaeXL8f9xRym+8IVhhMr7rXOSPZROVuIV7bE/eQTNSoIxChDslAqXOe9NLuWQg9JBoWc2O4GxuMSHZHoXfhEogf/2gydYm1lbus3AwVbgifW++9k8ujFH4PvLZAkikinlByETVxGSuPGqe+MHONucxZEyji0zLHmr++JETXedo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=h1pwtgfW; 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="h1pwtgfW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4A0CC4CEFB; Wed, 24 Dec 2025 13:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766583984; bh=++rdiwH6xC2TpgAmAKSO1o1OoJV81/TbDXeB42N/L1I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h1pwtgfWjJgC7zGWZZU2c+mF7L5Jrz0wfTJuGCYwL4mpOJx7hELqPe6VEfzwbuEJw PCEvzWe8eCvM+mT+X3JngUiSWewYLizBYnhUb7KbLkQtaH7HdJzJziUgG3VfHR/EQP DnDiYF6TE/Lo3AnXyPW5ODx+NMqOqINWvofxjswLQwc2UGMSUmnYKES6yEFOB2frlX CAOPA02Z6LzF4opDsbisvISWRdNKvQcGCFz2ocH2oilUmdSBAv2nQZd2s7aay5cztU g7Iw+iO9OaV+nZ49/UymEdhJLWHGvM2IPlBVIfnSMG5p0ntGr+xx+W99kthSDV/ilF e0FVHUiY0o2vA== 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 06/33] cpuset: Convert boot_hk_cpus to use HK_TYPE_DOMAIN_BOOT Date: Wed, 24 Dec 2025 14:44:53 +0100 Message-ID: <20251224134520.33231-7-frederic@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251224134520.33231-1-frederic@kernel.org> References: <20251224134520.33231-1-frederic@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit boot_hk_cpus is an ad-hoc copy of HK_TYPE_DOMAIN_BOOT. Remove it and use the official version. Signed-off-by: Frederic Weisbecker Reviewed-by: Phil Auld Reviewed-by: Chen Ridong --- kernel/cgroup/cpuset.c | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 6e6eb09b8db6..3afa72f8d579 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -88,12 +88,6 @@ static cpumask_var_t isolated_cpus; */ static bool isolated_cpus_updating; -/* - * Housekeeping (HK_TYPE_DOMAIN) CPUs at boot - */ -static cpumask_var_t boot_hk_cpus; -static bool have_boot_isolcpus; - /* * A flag to force sched domain rebuild at the end of an operation. * It can be set in @@ -1453,15 +1447,16 @@ static bool isolated_cpus_can_update(struct cpumask *add_cpus, * @new_cpus: cpu mask * Return: true if there is conflict, false otherwise * - * CPUs outside of boot_hk_cpus, if defined, can only be used in an + * CPUs outside of HK_TYPE_DOMAIN_BOOT, if defined, can only be used in an * isolated partition. */ static bool prstate_housekeeping_conflict(int prstate, struct cpumask *new_cpus) { - if (!have_boot_isolcpus) + if (!housekeeping_enabled(HK_TYPE_DOMAIN_BOOT)) return false; - if ((prstate != PRS_ISOLATED) && !cpumask_subset(new_cpus, boot_hk_cpus)) + if ((prstate != PRS_ISOLATED) && + !cpumask_subset(new_cpus, housekeeping_cpumask(HK_TYPE_DOMAIN_BOOT))) return true; return false; @@ -3892,12 +3887,9 @@ int __init cpuset_init(void) BUG_ON(!alloc_cpumask_var(&cpus_attach, GFP_KERNEL)); - have_boot_isolcpus = housekeeping_enabled(HK_TYPE_DOMAIN); - if (have_boot_isolcpus) { - BUG_ON(!alloc_cpumask_var(&boot_hk_cpus, GFP_KERNEL)); - cpumask_copy(boot_hk_cpus, housekeeping_cpumask(HK_TYPE_DOMAIN)); - cpumask_andnot(isolated_cpus, cpu_possible_mask, boot_hk_cpus); - } + if (housekeeping_enabled(HK_TYPE_DOMAIN_BOOT)) + cpumask_andnot(isolated_cpus, cpu_possible_mask, + housekeeping_cpumask(HK_TYPE_DOMAIN_BOOT)); return 0; } -- 2.51.1