From nobody Tue Feb 10 13:01:31 2026 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) (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 4866E3246EC; Thu, 25 Dec 2025 12:45:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766666761; cv=none; b=jN1Y0rWrcFVvJOG5Hy8rHblHsJfjs8mU/TaPCNXpVJX9Ixt85MZfQe3b1DN06dcW8XCsCt7ZZndf50yV5H7sOJVfPX/eDPJa2rlTHEGieV5aw2wNlV2jtvct31AJmU7KS76SMQnB/hbQ33bR2G2D2HC6/a/i0rBsi3UpLOP3VlU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766666761; c=relaxed/simple; bh=mdTbDxTnHTde/DH21CpI4AmcTJ6C4aF/nojVer3foSU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=duZ45ILK64hPM8fDa7mAygoIUpyma6CN9i8pr10sVs2aw07zR+bhQP/a7vScIoJBKBRtFgBL8xGEe3G9Vad3+m6pfyHpNpDBBoLXxnefQ/weiVjAYgi5XdmNLdujbInYc803u1S8sPtqSSQl8CCZb9S8Vv86xFwMJRj0jEaJ61s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.170]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTPS id 4dcT3q65VDzYQv6Q; Thu, 25 Dec 2025 20:45:11 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 3242C4056F; Thu, 25 Dec 2025 20:45:52 +0800 (CST) Received: from hulk-vt.huawei.com (unknown [10.67.174.121]) by APP4 (Coremail) with SMTP id gCh0CgDHdfb1MU1pT76_BQ--.27441S22; Thu, 25 Dec 2025 20:45:52 +0800 (CST) From: Chen Ridong To: longman@redhat.com, tj@kernel.org, hannes@cmpxchg.org, mkoutny@suse.com Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, lujialin4@huawei.com, chenridong@huaweicloud.com Subject: [PATCH RESEND -next 20/21] cpuset: remove prs_err clear when notify_partition_change Date: Thu, 25 Dec 2025 12:30:57 +0000 Message-Id: <20251225123058.231765-21-chenridong@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251225123058.231765-1-chenridong@huaweicloud.com> References: <20251225123058.231765-1-chenridong@huaweicloud.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-CM-TRANSID: gCh0CgDHdfb1MU1pT76_BQ--.27441S22 X-Coremail-Antispam: 1UD129KBjvdXoWrtFyfCw48uryktw4fWry3Jwb_yoW3uFcE93 409r1vqryrXFyIg3WYka1SqrWvya1UAr1vyas0qrW5AF12kwn3WwnFqr98Jrn8Za1xXrnx Aas3GFZa9FsFqjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbDkFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAVCq3wA2048vs2 IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28E F7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr 1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0D M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r126r 1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_ Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x 0EwIxGrwCI42IY6xIIjxv20xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8 Jr0_Cr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJw CI42IY6I8E87Iv6xkF7I0E14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7VUbx9NDUU UUU== X-CM-SenderInfo: hfkh02xlgr0w46kxt4xhlfz01xgou0bp/ Content-Type: text/plain; charset="utf-8" From: Chen Ridong The prs_err should be properly set when partition state is set, it does't have to reset in the notify_partition_change, just remove it. Signed-off-by: Chen Ridong --- kernel/cgroup/cpuset.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 7f46cead4d97..23c0ad5ed37e 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -182,10 +182,6 @@ static inline void notify_partition_change(struct cpus= et *cs, int old_prs) if (old_prs =3D=3D cs->partition_root_state) return; cgroup_file_notify(&cs->partition_file); - - /* Reset prs_err if not invalid */ - if (is_partition_valid(cs)) - WRITE_ONCE(cs->prs_err, PERR_NONE); } =20 /* --=20 2.34.1