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([2a05:6e02:1041:c10:82ae:cd75:d970:e66f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fbd17051fsm147325645e9.0.2026.09.18.03.16.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Sep 2026 03:16:17 -0700 (PDT) Message-ID: Date: Fri, 18 Sep 2026 12:16:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] thermal/drivers/imx9: Constify struct thermal_zone_device_ops To: Christophe JAILLET , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-pm@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org References: <5cce9ea713edcf2aa3c0efd5d31e9d9fd9f40a88.1786220585.git.christophe.jaillet@wanadoo.fr> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <5cce9ea713edcf2aa3c0efd5d31e9d9fd9f40a88.1786220585.git.christophe.jaillet@wanadoo.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE4MDE0MiBTYWx0ZWRfX3tZT/3JQY3pY Iy0J5ojgdBMKMCjCAyceFgo59Xg8Hpq/E105BLhu/4sC1GfJ1L+3InSkwadCFxJL0UUnDO6x9Kk rO9Xr/3Z1THF1TBF/gZwKQ0Wf4mF+S9Jpzy1fHuQwfuMlc1pYYT1/S6TsMKiVgxtQezityfzhVE Np1YSOP74He85Y8ARl4U9pIpSEOanDWfYNnmOtKf2F8VBDpuffPNakSFKhHi7NpDMeOuxdnZ9hX lrCi+HFs9Opjt3Jd9eNlgNDBSr4XmhnVbyerVhxwAMLj9iXQf6mfYg4eK6Rx2n9qzdT2flWtvyP MQlUTn6wBEQTDSHlazZwVPTRiSkayhPJinfV02BHI1ZAa2NGv7zT/nLFFEFbqgNzcBihSpL+GE7 iqgRrwPlVLSJ336Ndz0kJ5xh1IrlhbAKOEHKfHKKGKA6J/v3nQixckdnymkOWUngrGuCyrVSHFQ zZNYsTDr7LxW7/wl4cg== X-Proofpoint-GUID: VtzonYpTKxB9VbNiIzBwOvlmnL16SW-a X-Authority-Analysis: v=2.4 cv=bYP+w+PB c=1 sm=1 tr=0 ts=6aad0f73 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=_H6WjYdI7YG0SsD1Ov0A:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE4MDE0MiBTYWx0ZWRfXxgz/dRhV60Mx Jtnrhu1KOONasnZjvIfsvf3MwADoUSLJJdiqwfRfWwHX7RuyWF3sPaXtgEErKaUs8G1ujfW/42r AIWKJf4KiOC5uds32AgIHX2sFFRudhs= X-Proofpoint-ORIG-GUID: VtzonYpTKxB9VbNiIzBwOvlmnL16SW-a X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-18_03,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 suspectscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609180142 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260918_031620_845771_EF804213 X-CRM114-Status: GOOD ( 11.90 ) 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 8/8/26 22:23, Christophe JAILLET wrote: > 'struct thermal_zone_device_ops' is not modified in this driver. > > Constifying this structure moves some data to a read-only section, so > increases overall security, especially when the structure holds some > function pointers. > > On a x86_64, with allmodconfig: > Before: > ====== > text data bss dec hex filename > 8567 2144 0 10711 29d7 drivers/thermal/imx91_thermal.o > > After: > ===== > text data bss dec hex filename > 8695 2016 0 10711 29d7 drivers/thermal/imx91_thermal.o > > Signed-off-by: Christophe JAILLET > --- Applied, thanks