From nobody Wed Sep 10 08:23:06 2025 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 9BA482EDD76; Fri, 5 Sep 2025 13:24:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757078681; cv=none; b=lZKT0dVYPyDEucIaIc6pcM5uOUcRa1FvSDSDpswtbalH7JWX7oVT+xxTJY5O3BehZobpd+Ds/0pe/ubagjIbkwN0GWHTvuRkVx9a2O/0qeH7iXOR+I0XYcnRxalOkhgQvu2sJlLb15lYFTZE0AbXj89EhRT43EVrBR6wKdtl3Ys= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757078681; c=relaxed/simple; bh=S4Ko70ZJJHD/wWUnApfc4oXk2ctDto//kNXhxHN/5HA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=PzW+d1jtHp/hGMrO5AVytyPlqc79aruK7VOXBpXKMFSnJH3IEtxqDouo/srxUdc0fOdy09j1eXFlhbdi39fJAfdsJpHikv+6PgFNXQXb/vuJUz7146WYMNaqemM4fc1u0vRikE+lJDnl58o6+LaDZDCPDkRxNDnHFiaj7Ab84bY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: a92db2a88a5b11f0b29709d653e92f7d-20250905 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:db943cde-bbe0-429d-b0bf-a43728169e5f,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:6493067,CLOUDID:daa3cd9fa204e6c6d28bd15663a324ed,BulkI D:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|850,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: a92db2a88a5b11f0b29709d653e92f7d-20250905 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1872443980; Fri, 05 Sep 2025 21:24:33 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 0113AE008FA3; Fri, 5 Sep 2025 21:24:33 +0800 (CST) X-ns-mid: postfix-68BAE490-8197312 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id 1F7DBE008FA4; Fri, 5 Sep 2025 21:24:29 +0800 (CST) From: Zihuan Zhang To: "Rafael J . wysocki" , Viresh Kumar , Jonathan Cameron , Catalin Marinas , Will Deacon , Borislav Petkov , Dave Hansen , Srinivas Pandruvada , Michael Ellerman , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jani Nikula , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Daniel Lezcano , Sascha Hauer , Shawn Guo , Eduardo Valentin , Keerthy Cc: Ben Horgan , zhenglifeng , Zhang Rui , Len Brown , Lukasz Luba , Pengutronix Kernel Team , Beata Michalska , Fabio Estevam , Pavel Machek , Sumit Gupta , Prasanna Kumar T S M , Sudeep Holla , Yicong Yang , linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Zihuan Zhang Subject: [PATCH v5 1/6] arm64: topology: Use scope-based cleanup helper Date: Fri, 5 Sep 2025 21:24:08 +0800 Message-Id: <20250905132413.1376220-2-zhangzihuan@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250905132413.1376220-1-zhangzihuan@kylinos.cn> References: <20250905132413.1376220-1-zhangzihuan@kylinos.cn> 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" Replace the manual cpufreq_cpu_put() with __free(put_cpufreq_policy) annotation for policy references. This reduces the risk of reference counting mistakes and aligns the code with the latest kernel style. No functional change intended. Signed-off-by: Zihuan Zhang Reviewed-by: Jonathan Cameron --- arch/arm64/kernel/topology.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 5d07ee85bdae..07e2f5b5ade0 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -307,30 +307,27 @@ int arch_freq_get_on_cpu(int cpu) */ if (!housekeeping_cpu(cpu, HK_TYPE_TICK) || time_is_before_jiffies(last_update + msecs_to_jiffies(AMU_SAMPLE_EXP= _MS))) { - struct cpufreq_policy *policy =3D cpufreq_cpu_get(cpu); + struct cpufreq_policy *policy __free(put_cpufreq_policy) =3D + cpufreq_cpu_get(info->opp_cpu); int ref_cpu; =20 if (!policy) return -EINVAL; =20 if (!cpumask_intersects(policy->related_cpus, - housekeeping_cpumask(HK_TYPE_TICK))) { - cpufreq_cpu_put(policy); + housekeeping_cpumask(HK_TYPE_TICK))) return -EOPNOTSUPP; - } =20 for_each_cpu_wrap(ref_cpu, policy->cpus, cpu + 1) { if (ref_cpu =3D=3D start_cpu) { /* Prevent verifying same CPU twice */ ref_cpu =3D nr_cpu_ids; - break; + return -EAGAIN; } if (!idle_cpu(ref_cpu)) break; } =20 - cpufreq_cpu_put(policy); - if (ref_cpu >=3D nr_cpu_ids) /* No alternative to pull info from */ return -EAGAIN; --=20 2.25.1