linux-kernel - Re: [PATCH v3 04/12] cpufreq: longhaul: Use scope-based cleanup helper

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Message-ID: <ff165a2e-cd63-462f-b2ea-cb27cb514ef9@kernel.org>
Date: Tue, 2 Sep 2025 17:58:11 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Zihuan Zhang <zhangzihuan@...inos.cn>,
 "Rafael J . wysocki" <rafael@...nel.org>,
 Viresh Kumar <viresh.kumar@...aro.org>,
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
 Michael Ellerman <mpe@...erman.id.au>, Alim Akhtar
 <alim.akhtar@...sung.com>, Thierry Reding <thierry.reding@...il.com>,
 MyungJoo Ham <myungjoo.ham@...sung.com>,
 Kyungmin Park <kyungmin.park@...sung.com>,
 Chanwoo Choi <cw00.choi@...sung.com>,
 Jani Nikula <jani.nikula@...ux.intel.com>,
 Rodrigo Vivi <rodrigo.vivi@...el.com>, Tvrtko Ursulin
 <tursulin@...ulin.net>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, Daniel Lezcano <daniel.lezcano@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>, Shawn Guo <shawnguo@...nel.org>,
 Eduardo Valentin <edubezval@...il.com>, Keerthy <j-keerthy@...com>
Cc: Ben Horgan <ben.horgan@....com>, zhenglifeng <zhenglifeng1@...wei.com>,
 Zhang Rui <rui.zhang@...el.com>, Len Brown <lenb@...nel.org>,
 Lukasz Luba <lukasz.luba@....com>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Beata Michalska <beata.michalska@....com>, Fabio Estevam
 <festevam@...il.com>, Pavel Machek <pavel@...nel.org>,
 Sumit Gupta <sumitg@...dia.com>,
 Prasanna Kumar T S M <ptsm@...ux.microsoft.com>,
 Sudeep Holla <sudeep.holla@....com>, Yicong Yang <yangyicong@...ilicon.com>,
 linux-pm@...r.kernel.org, linux-acpi@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org,
 intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 imx@...ts.linux.dev, linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 04/12] cpufreq: longhaul: Use scope-based cleanup
 helper

On 01/09/2025 10:57, Zihuan Zhang wrote:
>  static void __exit longhaul_exit(void)
>  {
> -	struct cpufreq_policy *policy = cpufreq_cpu_get(0);
> +	struct cpufreq_policy *policy __free(put_cpufreq_policy) = cpufreq_cpu_get(0);
>  	int i;
>  
>  	for (i = 0; i < numscales; i++) {
> @@ -968,7 +968,6 @@ static void __exit longhaul_exit(void)
>  		}
>  	}
>  
> -	cpufreq_cpu_put(policy);

You are not improving any code here.

Best regards,
Krzysztof