From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 307B2CA1016 for ; Thu, 4 Sep 2025 12:10:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=W4phDzHG9AdHGBcyCX2YbSAlndz0iWmMCfdYzgpDyEY=; b=RYtrVHUOL7MdiyTx4rVVe3Y7Xr yRZTeGirG5Kynli3E3z5s0+q2tqH47IZfxzWAhz8kgjjGu/R6fFsXPk+WNjDMMWoR6fjXl0dgvFT7 D9oC3YwUthkn1H5xFaTy9oQgRfnxDKoj2j2fWuMdWbVx5iV4KdGQ/KBm3r3leXKJHhmTJq2a5QNaZ zxryO/UDptqIfrW2NbuqRxkgwQr8RzB98U4NeY4Yw5f+aSAgL5i++w9aVVSODyyqHjODjpADNuvgP iHkSesIoERogd+iZdNQBFfr6Tk1z2jA90ld4F8ztpqyBN2Qh8ps6kOt0+pml4DsefF5bh4ADbnIY3 mCtmgIQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uu8nI-0000000BSiP-3WKc; Thu, 04 Sep 2025 12:10:24 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uu7ct-0000000B2hu-3Xq0 for linux-arm-kernel@lists.infradead.org; Thu, 04 Sep 2025 10:55:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 5BBEA44BE1; Thu, 4 Sep 2025 10:55:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EBC1C4CEF0; Thu, 4 Sep 2025 10:55:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756983335; bh=IsvPPeqV8POyoYunxkhkVNbHZma0NTrLqcfEJ8H1vOg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=QHD9Wfe9pl81KaKyYx3q2f/4xdKdSE4GTZg14n1v3R0PxBM2ZlnaHOp2M9mEmpnQ5 nUlqo58kaXVT5TT+pkv8cdyMVTGaoBvtxf38tWncUX2yB0f3CxtRqy561mgeJRWNQo Zhv/Z1n+OkYOqJfBS08e434/Ym6augQuxit6SOa8DpY9qyOg6llKU1Rh607HpYBBA2 L7AwBCP5Q+3XlTax5HRY96wjwpovkEbeP+5SnEeWTzW84jrlXkStyQ4pBCLZHIU+w6 JNDzKYYrJgjrAbpK3rgqdSGP9hdCr746owEOPUcBO2xvQnEcg93ncOsWSJTeG3AvsC pUyvVC5JHBs5w== Message-ID: <818b7848-1b34-49dc-87bd-0438a82f2ebf@kernel.org> Date: Thu, 4 Sep 2025 12:55:23 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 07/10] powercap: dtpm_cpu: Use scope-based cleanup helper To: Zihuan Zhang , "Rafael J. Wysocki" Cc: Viresh Kumar , Catalin Marinas , Will Deacon , Borislav Petkov , Dave Hansen , Srinivas Pandruvada , Michael Ellerman , 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 , 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 References: <20250903131733.57637-1-zhangzihuan@kylinos.cn> <20250903131733.57637-8-zhangzihuan@kylinos.cn> <52e322e5-2dd4-488c-a98e-3a4018f0c323@kylinos.cn> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250904_035535_925146_B3C27A99 X-CRM114-Status: GOOD ( 10.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 04/09/2025 12:37, Zihuan Zhang wrote: >> * Lastly, given that the benefit of cleanup helpers is removal of >> * "goto", and that the "goto" statement can jump between scopes, the >> * expectation is that usage of "goto" and cleanup helpers is never >> * mixed in the same function. I.e. for a given routine, convert all >> * resources that need a "goto" cleanup to scope-based cleanup, or >> * convert none of them. > > > Should I replace all the memory allocation cleanups here with `__free`? > That would allow us to drop all the `goto`s, but since this function has > quite a few of them, I’m concerned it might introduce new issues. What’s > your recommendation? If you keep asking this, I have doubts you really know how to use cleanup.h. Don't blindly convert code to cleanup.h. It's very odd syntax and it is not even welcomed everywhere. Best regards, Krzysztof