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 BCEC82749D7; Wed, 27 Aug 2025 02:33:08 +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=1756261991; cv=none; b=PYdGCtLC8ygFYI7zcMHSm+Enzp9DVDRCVThj7ZpCNr+J/8mJQsuSc0LFrgCjbPhTGX6xcFSQmsB7DVnae77RIGWqLVHJtuWwTGclVuqwhB0IXCQ2Cfx6lQxdEqlzmDO+AHHNOhwePMNFaQsdfSTUs+z1o1AmEzzX5HcQqS38WsQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756261991; c=relaxed/simple; bh=+f4QSAQC2yNHPnxnePrPMIynJzPewfq7dADENJq5g7M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=n3EUj4dTHNRDvO8HZYuhACrDCwzLNtUFvEYEbbd2QNG8iR8Ag9R25ACJQfHOx4IPhg14h9E3vzuTafeeK4tHPrvPYjOB+HbUmXm7C4VRg6OIOKgWPXSZKIvdDM73RRaTnZNkFz+0VVjqQNZxoC/q8EwO2T3JRhIOGbxPxeazIwI= 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: 276ea1e282ee11f0b29709d653e92f7d-20250827 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:dc696ab5-fc40-45bc-8152-d851101007ae,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:da19883316a45391f6b44bbfbaebe014,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: 276ea1e282ee11f0b29709d653e92f7d-20250827 Received: from mail.kylinos.cn [(10.44.16.175)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 828220855; Wed, 27 Aug 2025 10:33:02 +0800 Received: from mail.kylinos.cn (localhost [127.0.0.1]) by mail.kylinos.cn (NSMail) with SMTP id 115D4E008FAB; Wed, 27 Aug 2025 10:33:02 +0800 (CST) X-ns-mid: postfix-68AE6E5D-888915205 Received: from localhost.localdomain (unknown [172.25.120.24]) by mail.kylinos.cn (NSMail) with ESMTPA id 3D8ECE008FAA; Wed, 27 Aug 2025 10:32:56 +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 02/18] KVM: x86: Use __free(put_cpufreq_policy) for policy reference Date: Wed, 27 Aug 2025 10:31:46 +0800 Message-Id: <20250827023202.10310-3-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: linux-acpi@vger.kernel.org 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/x86/kvm/x86.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a1c49bc681c4..2a825f4ec701 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -9492,16 +9492,14 @@ static void kvm_timer_init(void) max_tsc_khz =3D tsc_khz; =20 if (IS_ENABLED(CONFIG_CPU_FREQ)) { - struct cpufreq_policy *policy; + struct cpufreq_policy *policy __free(put_cpufreq_policy); int cpu; =20 cpu =3D get_cpu(); policy =3D cpufreq_cpu_get(cpu); - if (policy) { - if (policy->cpuinfo.max_freq) - max_tsc_khz =3D policy->cpuinfo.max_freq; - cpufreq_cpu_put(policy); - } + if (policy && policy->cpuinfo.max_freq) + max_tsc_khz =3D policy->cpuinfo.max_freq; + put_cpu(); } cpufreq_register_notifier(&kvmclock_cpufreq_notifier_block, --=20 2.25.1