From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 2881B20E702 for ; Fri, 8 May 2026 19:28:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778268507; cv=none; b=p9p1HnFawsxTbH1lMrXYVn9BwX5QHRT0JPxIw63wKdOv7Lc08VMqlCvldk3qaJw0NzxqeIwe+/EFO7/E42MFbQZfWm7UEYouKL2ea9xtJyT4NuSW3ufjYdUurMcz8UCcsV2MWW8yYs+Xo6ObE5cxUehetu3YPdJn58doN3towUI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778268507; c=relaxed/simple; bh=iu0yd2HrqmUVBDGbJG3eyeYFbpP6EoShCJD5XszxaH0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cSxZvhlFnk+RCb5q1ybwMYp7nuNG9IMeKEJOcUSNlxZX87n7LNeTvIrg8udI9zc0JWZNRHXA+zO+xxJ8537xGYsdJGb4ZTAmN+hrccNfI9KZG6qHmBgXbkXzuW0GMbvBgBFKpGnKcLKMaqRWRyceqdO+9gfxh2BSJcSi6HYRbBo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=HvEJmFf/; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=BcQmErDH; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="HvEJmFf/"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="BcQmErDH" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 648Hdn7g874024 for ; Fri, 8 May 2026 19:28:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 0z/UQcmSogSZMpi+9Lu2bIZyE+LAeVttpueQeiqd0Y8=; b=HvEJmFf/Ta3O/AYk idtSBCsP2eZI5S9ITA64GwlgBn8/5hPc7v2ogytgYTtGO9watK7r8cf4K2uI3LRI fKtXYmIbsfSwMkk/AFnkT0zvFiBO7/tFVTBVB1R39VfGkBFLMFCqjlG1SmtA7t0X eacl8WyKpvBaHsVZX9kpFF4BBjwLYzim3azsfoLk+zBLIfJfH6BE1rajPE7aeutg kNOpF2Rdn0PpvMa987kt68FlhO1QFTUrwynRL5Ir5aYwlmo/y/85nM51To1W/JyR yO69VHtuMV6OulyDqGlXAnS27eP47mafaFxhVGy50W/8YiFQ8AgjIAtRgqs1I2VE y8AZEw== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4e1me80b9w-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 08 May 2026 19:28:25 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-5102a9671c8so54563641cf.1 for ; Fri, 08 May 2026 12:28:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1778268504; x=1778873304; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=0z/UQcmSogSZMpi+9Lu2bIZyE+LAeVttpueQeiqd0Y8=; b=BcQmErDHZecMjem78aBNNoF75U2PsvjSIpY/1bZpUyZ9tM9wI5i8802WYRB42NevMW tk0PglpigJHt06yP6oiX0vN5PkgNuf0wDbAfqPesMH4fq3CbL/3PR175KAy5zfqNi9A5 fq9qzHKEMKGBnw2Op+a66MCwihYji2O3iqqGsTdPPlEC7gHOvxpevEoDFJt6F7OFXzgP 0jIITsxEoLApiK+oGieWyXn8FaQhdFjgD54vGGl/0Z8BzZ81mmcEBRJzSo26mkM7/vSa b3cvt/PqjurprsNI1YdyFWJokQwgp9+pEodpqfXGepVZ3qBWwGdaBY1K9/ErAp65EN3F +KrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778268504; x=1778873304; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0z/UQcmSogSZMpi+9Lu2bIZyE+LAeVttpueQeiqd0Y8=; b=ElvOfyAXWSdirQBYsp8QXuq6B1MaX68KVoSkT1YvaaMWzrAQEIDekUl2bNRibRrgHr XG1AdTyOlxYNfTc+nWVzYCyjESQv5E3+wovR13yzov+Oe3S+5AvJrh0Br7TdF7ZPcLIE z97jyhTAF5ZRbTLOZLbCEa4JkHudKh8BsZXGkuQ9/EbP6waGO32JdSbpnDAEQWDGJMio rwdkZxrcou9RHs+uOrcfWq3jJj8weipcpyPUPDrInsdGK1695h5WG5Ak3nzshpUZihrZ zHzTJCgNrdE+Xtp8B5HabAJBy3AhO/Jt9cHQcjMuZ04twbd8FkyrfUtl+kVv9WAqwZ/t 3PqQ== X-Forwarded-Encrypted: i=1; AFNElJ9lsJluRVT8IWANVfa1Tr3epDEEtFh++os7glJrd130gg9EuIqFyezSUOQUSpIqQaMnwxB5q3ufIfeGlgI=@vger.kernel.org X-Gm-Message-State: AOJu0YwhdjbExKKcp6Tg5KOo59P/i5WPrn8ZakJSButyjb+tn5hgHFpB ygsRYBIPypk5cgyVJ9hdr57hkBloQl1psfFVXNfaZWSuGv9EDcnwmDDPStuHUCKHIMDEt3zm5WW IXCiifMokBSUtHSi3sflU8CU29wQi9QAxSX9/nZRyvEuJoa389QIqPktxuqEnvezE7U0= X-Gm-Gg: AeBDievuV524MttCmC6PWY0ArXT81b35BOdShiC9Qv4l05H/B3LARkFTObd2LKWA4Xv JCkblYQVCBXzPdYDAl3PJ8/IoPoR0fsTrlaSYtf5KaApDPsh9AKjUJTkFJLlYT2LhnWdvqhKG4g kh5fCypnedrFY8vIPBajP9A8czX06Lvuo0db0j0q1qj0nq2jfUzaOXvQHUxqDBWXVErB7u6SYut 9Nx3ycIuei6dWsELPjleP4ZQN2VQ/mHzXFvzWgkvnGqxH+TK/acqS9cTZVV4+4ONlVBoIycNcTn mksnCNnmUB/Dy+/iOhy/dbmGnRpV/3bAHqJYMErEx7wUzf16tPOF5zgF6vPo/pKvC6ou/IKCLjy p8cPdL75WHm0NWQaGYpGik2PACDYEFLnqxLag9kx6XT3O4U12AGG988XiO9HiP8xUARkXSDWJEX S7Mz2LCNfx X-Received: by 2002:a05:622a:60d:b0:50f:c65f:a4fc with SMTP id d75a77b69052e-5148e7c9362mr55226751cf.10.1778268504407; Fri, 08 May 2026 12:28:24 -0700 (PDT) X-Received: by 2002:a05:622a:60d:b0:50f:c65f:a4fc with SMTP id d75a77b69052e-5148e7c9362mr55226251cf.10.1778268503877; Fri, 08 May 2026 12:28:23 -0700 (PDT) Received: from ?IPV6:2a05:6e02:1041:c10:cda6:5a1c:b564:d3ee? ([2a05:6e02:1041:c10:cda6:5a1c:b564:d3ee]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4548e6a5b65sm6509018f8f.8.2026.05.08.12.28.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 08 May 2026 12:28:23 -0700 (PDT) Message-ID: Date: Fri, 8 May 2026 21:28:22 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] thermal/core: Allocate the thermal class dynamically To: "Rafael J. Wysocki" Cc: lukasz.luba@arm.com, rui.zhang@intel.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260508180511.1306659-1-daniel.lezcano@oss.qualcomm.com> <20260508180511.1306659-4-daniel.lezcano@oss.qualcomm.com> Content-Language: en-US From: Daniel Lezcano In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA4MDE5MyBTYWx0ZWRfX9TEf2bCRz3/o /q+gFG8yN3kFCI1jETLa+1o6sQVa8IRx7kxM9zQrWEdM9MK5axYXzYQkduQ+IUJcqGWPiFpfbja 3m7DVyew32KJ+fAkLdvWhQ+SN979rFo8CTRAtl6iDxPNt/OPi3Q0NotMfD/FGPce1jlbTyxerBa 5H9J3FADqwVig8kp6ffYwTqxmjgIYax2Wrr2pRdbvPgRpP4WN/8EZ/jnjfs2OMiO7P3zWg6/E8t zZYxrXXNoOaqmzoQxFMwV3dwRoaLmNng1WUm7t9GWagwKyjVT/KSibDLY0Eri/4+Iup/elrgFRm 4lyqIe9uY7UcpNjKqO0cVIb3oXza20q7TDw6wHRsL7WpfA5BnRFRusAR87FNIzem4Yv0C7Fh/3H J1psbG4KnFbwY4qsGt7tiGG8oiPH4hbadseYRBubKKepZFjUhvgN2s9mXhRd/w5Wtms1VfiirnZ RKCb7/miDQ8WM+epNDA== X-Authority-Analysis: v=2.4 cv=BsKtB4X5 c=1 sm=1 tr=0 ts=69fe3959 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=TqEP7YGcEmlrFrjrNAMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: PzpQK9clqFoO7q0U4ZJxnyKV-7C_nsyh X-Proofpoint-ORIG-GUID: PzpQK9clqFoO7q0U4ZJxnyKV-7C_nsyh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-07_02,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 phishscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605080193 On 5/8/26 21:26, Rafael J. Wysocki wrote: > On Fri, May 8, 2026 at 9:22 PM Daniel Lezcano > wrote: >> >> On 5/8/26 20:24, Rafael J. Wysocki wrote: >>> On Fri, May 8, 2026 at 8:05 PM Daniel Lezcano >>> wrote: >>>> >>>> Use class_create() instead of a statically allocated struct class. >>>> >>>> This allows the thermal class to be managed through a dynamically >>>> allocated class object and avoids keeping a static class instance >>>> around. >>> >>> I changed it the other way around during the last cycle, so is it >>> really worth changing again? >> >> Yes, I think it is because it does not reintroduce this change: >> >> - thermal_class = kzalloc_obj(*thermal_class); >> - if (!thermal_class) { >> - result = -ENOMEM; >> + result = class_register(&thermal_class); >> + if (result) >> goto unregister_governors; >> - } >> >> - thermal_class->name = "thermal"; >> - thermal_class->dev_release = thermal_release; >> - >> - result = class_register(thermal_class); >> - if (result) { >> - kfree(thermal_class); >> - thermal_class = NULL; >> - goto unregister_governors; >> - } >> >> It is replaced by thermal_create("thermal") which allocates and >> registers the class and we get rid of two global variables. But up to you. > > Fair enough. > > I'll queue up these changes for 7.2 early next week. Thanks