From mboxrd@z Thu Jan 1 00:00:00 1970 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 C4CAA274676 for ; Wed, 27 Aug 2025 02:32:50 +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=1756261973; cv=none; b=NBDRtmV0V8J1Q+264Dj4tb2X4FfEUbxNxAbEO46WHuElaLiGuro3eOIC+PcFDHyeNoIhctiG/H8kpF79JYc0xem09nso+Yj4LgqcZO5NzG4p2lVDn2jPM1sLVcDTXQ6HNV9w2Xkb/nHBA8RCvHDCKITYfpFKU2MKTWzhlAe5MQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756261973; c=relaxed/simple; bh=IRJtOWw1tJbn4PcCRFV7BFvO9tWthYl8inlmLi18Fs0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kbxPauDKPImr0qjiEQ+AbKC7EhIOuMDzxjgJ6FBeIlNazUTXDbytbW6y8PC+1nHDhJ8fPrVqUWcXVf+ai2zmjIfedJtw3EB7YrkYgiF7gxA7U8i86v3y1R+2LDokKOLHnbt7894xUECEudQ/UkwtPq3X+u1pfgKwjD/Rvs+SLfw= 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: 1d99937a82ee11f0b29709d653e92f7d-20250827 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:d002a280-764a-4412-832e-4552d3469500,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:6493067,CLOUDID:2dc88aecbd157b8d68f316a84f4b715b,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: 1d99937a82ee11f0b29709d653e92f7d-20250827 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 351950446; Wed, 27 Aug 2025 10:32:45 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 74005E008FAC; Wed, 27 Aug 2025 10:32:45 +0800 (CST) X-ns-mid: postfix-68AE6E4D-257290204 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id BBFD3E008FAA; Wed, 27 Aug 2025 10:32:37 +0800 (CST) From: Zihuan Zhang To: "Rafael J . wysocki" , Viresh Kumar , Catalin Marinas , Will Deacon , Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Markus Mayer , Florian Fainelli , Srinivas Pandruvada , Madhavan Srinivasan , Michael Ellerman , Krzysztof Kozlowski , Alim Akhtar , Thierry Reding , Jonathan Hunter , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Daniel Lezcano , Sascha Hauer , Shawn Guo , Eduardo Valentin , Keerthy , Matthias Brugger , AngeloGioacchino Del Regno Cc: zhenglifeng , "H . Peter Anvin" , Zhang Rui , Len Brown , Nicholas Piggin , Christophe Leroy , 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, x86@kernel.org, kvm@vger.kernel.org, linux-acpi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Zihuan Zhang Subject: [PATCH v2 01/18] arm64: topology: Use __free(put_cpufreq_policy) for policy reference Date: Wed, 27 Aug 2025 10:31:45 +0800 Message-Id: <20250827023202.10310-2-zhangzihuan@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250827023202.10310-1-zhangzihuan@kylinos.cn> References: <20250827023202.10310-1-zhangzihuan@kylinos.cn> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 --- arch/arm64/kernel/topology.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 5d07ee85bdae..e3cb6d54f35b 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -307,17 +307,16 @@ 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_E= XP_MS))) { - struct cpufreq_policy *policy =3D cpufreq_cpu_get(cpu); + struct cpufreq_policy *policy __free(put_cpufreq_policy); int ref_cpu; =20 + policy =3D cpufreq_cpu_get(cpu); 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) { @@ -329,8 +328,6 @@ int arch_freq_get_on_cpu(int 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