From nobody Fri Dec 19 12:31:35 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 686DD224AEB for ; Wed, 5 Nov 2025 04:39:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762317557; cv=none; b=iJ6ReTFLv5T+gXPP9MfnvnWog3BzGlIBpOSDziYr03D9++nz+A1V8Q77+jCnePsiB8QvDuzevGkt40XztJPc5EeuRoHzovMXhZK8phF8+BEIXCOPRrS5eKjc+cPKlUUSKbmYEgPTsDnFMBtBLNtWWqX8A03me+LMg/20z8rycak= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762317557; c=relaxed/simple; bh=7jHpmWcYJsUU2T2hOdNuXivoRepIQIj6fE27OiNmH70=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=niNUm7gr44ixWOGEDtgGuU/Jozi9LXLSXhJMDl/LXeLp0DFELl0Z83MReIdL1Osf0doneE/mS1IaI3PPjKnPaCtLqkjpykd0fGqJSOcrMi/0GlyFzn04XP8VoJnUE4IMHnojzdqGDeLEezse4cclxHeXkZGHyD1nHb4Rm2wsXTQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=KB6ECtAC; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="KB6ECtAC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1762317554; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PGxlyxFIeeJQWfJtkFlh/X5lpM+PZPG/dxHQARwfodM=; b=KB6ECtAC9DEOBtCUTgK9iB+/xFFUKZKuBbl3qjfeB1rmLC8XWH0cDHZX0hasDoYRbM9PrS VwL91cwTcIQtVreSHWWGexB/Sf8PS42tGJv3GZnaVilNnMDvCyxOsACksVOj6TKeEdqSEx vSFwjihu0WyA62zMeuAuqGb9MJqO4cI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-556-M713oxnYONOFOx5pqhbbxw-1; Tue, 04 Nov 2025 23:39:11 -0500 X-MC-Unique: M713oxnYONOFOx5pqhbbxw-1 X-Mimecast-MFC-AGG-ID: M713oxnYONOFOx5pqhbbxw_1762317549 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2263E1956089; Wed, 5 Nov 2025 04:39:09 +0000 (UTC) Received: from llong-thinkpadp16vgen1.westford.csb (unknown [10.22.89.34]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id AF26D1956095; Wed, 5 Nov 2025 04:39:06 +0000 (UTC) From: Waiman Long To: Tejun Heo , Johannes Weiner , =?UTF-8?q?Michal=20Koutn=C3=BD?= Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Chen Ridong , Gabriele Monaco , Frederic Weisbecker , Waiman Long , Chen Ridong Subject: [cgroup/for-6.19 PATCH v3 1/5] cgroup/cpuset: Rename update_unbound_workqueue_cpumask() to update_isolation_cpumasks() Date: Tue, 4 Nov 2025 23:38:44 -0500 Message-ID: <20251105043848.382703-2-longman@redhat.com> In-Reply-To: <20251105043848.382703-1-longman@redhat.com> References: <20251105043848.382703-1-longman@redhat.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 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Content-Type: text/plain; charset="utf-8" From: Gabriele Monaco update_unbound_workqueue_cpumask() updates unbound workqueues settings when there's a change in isolated CPUs, but it can be used for other subsystems requiring updated when isolated CPUs change. Generalise the name to update_isolation_cpumasks() to prepare for other functions unrelated to workqueues to be called in that spot. [longman: Change the function name to update_isolation_cpumasks()] Acked-by: Frederic Weisbecker Acked-by: Waiman Long Signed-off-by: Gabriele Monaco Signed-off-by: Waiman Long Reviewed-by: Chen Ridong --- kernel/cgroup/cpuset.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 7aef59ea9627..da770dac955e 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -1393,7 +1393,7 @@ static bool partition_xcpus_del(int old_prs, struct c= puset *parent, return isolcpus_updated; } =20 -static void update_unbound_workqueue_cpumask(bool isolcpus_updated) +static void update_isolation_cpumasks(bool isolcpus_updated) { int ret; =20 @@ -1557,7 +1557,7 @@ static int remote_partition_enable(struct cpuset *cs,= int new_prs, list_add(&cs->remote_sibling, &remote_children); cpumask_copy(cs->effective_xcpus, tmp->new_cpus); spin_unlock_irq(&callback_lock); - update_unbound_workqueue_cpumask(isolcpus_updated); + update_isolation_cpumasks(isolcpus_updated); cpuset_force_rebuild(); cs->prs_err =3D 0; =20 @@ -1598,7 +1598,7 @@ static void remote_partition_disable(struct cpuset *c= s, struct tmpmasks *tmp) compute_excpus(cs, cs->effective_xcpus); reset_partition_data(cs); spin_unlock_irq(&callback_lock); - update_unbound_workqueue_cpumask(isolcpus_updated); + update_isolation_cpumasks(isolcpus_updated); cpuset_force_rebuild(); =20 /* @@ -1667,7 +1667,7 @@ static void remote_cpus_update(struct cpuset *cs, str= uct cpumask *xcpus, if (xcpus) cpumask_copy(cs->exclusive_cpus, xcpus); spin_unlock_irq(&callback_lock); - update_unbound_workqueue_cpumask(isolcpus_updated); + update_isolation_cpumasks(isolcpus_updated); if (adding || deleting) cpuset_force_rebuild(); =20 @@ -2011,7 +2011,7 @@ static int update_parent_effective_cpumask(struct cpu= set *cs, int cmd, tmp->delmask); =20 spin_unlock_irq(&callback_lock); - update_unbound_workqueue_cpumask(isolcpus_updated); + update_isolation_cpumasks(isolcpus_updated); =20 if ((old_prs !=3D new_prs) && (cmd =3D=3D partcmd_update)) update_partition_exclusive_flag(cs, new_prs); @@ -3029,7 +3029,7 @@ static int update_prstate(struct cpuset *cs, int new_= prs) else if (isolcpus_updated) isolated_cpus_update(old_prs, new_prs, cs->effective_xcpus); spin_unlock_irq(&callback_lock); - update_unbound_workqueue_cpumask(isolcpus_updated); + update_isolation_cpumasks(isolcpus_updated); =20 /* Force update if switching back to member & update effective_xcpus */ update_cpumasks_hier(cs, &tmpmask, !new_prs); --=20 2.51.1