From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.netfilter.org (mail.netfilter.org [217.70.190.124]) (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 7D9E0C2FF; Tue, 5 May 2026 00:17:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.190.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777940231; cv=none; b=qEPndgUSHECeI1Wql2mdC0B+tp4d2a6NkvQPW5fZU1nHs1eE0svcETeFGRMPkEXOYiLzFsFRGr/YRVduYssEPVBJXBUDrxx10AGd1sahfAfZxC9569wVHr5HPe6utHNCtXVJnNIUPrAcKp7KbGUl3684dR2fVkzmg+mRN4qxm9o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777940231; c=relaxed/simple; bh=Y7XuH2T1xYAX8hmAwPeNJJEjlmyWEM2E97iT4uoi/FU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hywF5mrT+s54mqTexRvfs7LLOOewvkHUK/g33MQTfLBnyulAHoM7LM5jD2FC7eFBVYtEAWZyLvPfD7s9j8uIN4PyBxrDtsTauVSwRpUofLsjgGXcI0MlGHzmCS3dixOr+P0vTcE97El25skayFi7tIWIFB7ecr4jQgkQPZgU6ec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org; spf=pass smtp.mailfrom=netfilter.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b=P1Lr1FtW; arc=none smtp.client-ip=217.70.190.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=netfilter.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b="P1Lr1FtW" Received: from localhost.localdomain (mail-agni [217.70.190.124]) by mail.netfilter.org (Postfix) with ESMTPSA id 5AF7B60190; Tue, 5 May 2026 02:17:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1777940228; bh=eWoO6PceGx0ZuInGBG/K/cgrSUbT8QnGRHaTYrs6CQE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P1Lr1FtWCcDUlL0P0R2iurYETzLNiCnEThA3U/b8sx1v6RnZXfZwTl8qTDHQjgt5C VvckLis/zOZ8UeoUQiYeX+J7Hj5fP1RMYxlHl5r501KV8MitV7Mc9a6ItP2Lka4qSn LClI+rv9qqa9JZyEVH4PZO+Gr40zrBAV1dtSbH8gDMEinWgZ7OBhjTIpKsvmMmt8JN x0a+IssH/JxnAnAmkybvYo6Gh9laoD2SXLl7U9OQPjWygwRkdY/ZFC4SlcMwuST7P3 ufjqTg/mgwzXGCYUCyaJcUGQs9ChT/hBGAavycuVxh7YXTtOGM9PEuTgfJZjSmBS1N v6DGRNckXXOYg== From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, fw@strlen.de, horms@kernel.org, ja@ssi.bg, longman@redhat.com, lvs-devel@vger.kernel.org Subject: [PATCH net 8/8] sched/isolation: Make HK_TYPE_KTHREAD an alias of HK_TYPE_DOMAIN Date: Tue, 5 May 2026 02:16:48 +0200 Message-ID: <20260505001648.360569-9-pablo@netfilter.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260505001648.360569-1-pablo@netfilter.org> References: <20260505001648.360569-1-pablo@netfilter.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Waiman Long Since commit 041ee6f3727a ("kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management"), kthreads default to use the HK_TYPE_DOMAIN cpumask. IOW, it is no longer affected by the setting of the nohz_full boot kernel parameter. That means HK_TYPE_KTHREAD should now be an alias of HK_TYPE_DOMAIN instead of HK_TYPE_KERNEL_NOISE to correctly reflect the current kthread behavior. Make the change as HK_TYPE_KTHREAD is still being used in some networking code. Fixes: 041ee6f3727a ("kthread: Rely on HK_TYPE_DOMAIN for preferred affinity management") Signed-off-by: Waiman Long Signed-off-by: Julian Anastasov Signed-off-by: Pablo Neira Ayuso --- include/linux/sched/isolation.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h index dc3975ff1b2e..cf0fd03dd7a2 100644 --- a/include/linux/sched/isolation.h +++ b/include/linux/sched/isolation.h @@ -20,6 +20,11 @@ enum hk_type { HK_TYPE_KERNEL_NOISE, HK_TYPE_MAX, + /* + * HK_TYPE_KTHREAD is now an alias of HK_TYPE_DOMAIN + */ + HK_TYPE_KTHREAD = HK_TYPE_DOMAIN, + /* * The following housekeeping types are only set by the nohz_full * boot commandline option. So they can share the same value. @@ -29,7 +34,6 @@ enum hk_type { HK_TYPE_RCU = HK_TYPE_KERNEL_NOISE, HK_TYPE_MISC = HK_TYPE_KERNEL_NOISE, HK_TYPE_WQ = HK_TYPE_KERNEL_NOISE, - HK_TYPE_KTHREAD = HK_TYPE_KERNEL_NOISE }; #ifdef CONFIG_CPU_ISOLATION -- 2.47.3