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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b86ebfd007fsm1275650366b.31.2026.01.14.02.28.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Jan 2026 02:28:21 -0800 (PST) Message-ID: Date: Wed, 14 Jan 2026 11:28:18 +0100 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/6] arm64: dts: qcom: sm6125-xiaomi-ginkgo: Correct reserved memory ranges To: David Heidelberg , =?UTF-8?B?QmFybmFiw6FzIEN6w6ltw6Fu?= , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Gabriel Gonzales , Kees Cook , Tony Luck , "Guilherme G. Piccoli" , Biswapriyo Nath Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux@mainlining.org References: <20260112-xiaomi-willow-v1-0-8e4476897638@mainlining.org> <20260112-xiaomi-willow-v1-2-8e4476897638@mainlining.org> <723357fc-a785-45d6-8d49-4c00dd4f340c@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <723357fc-a785-45d6-8d49-4c00dd4f340c@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: oHrFyxXzSEFndpxNSfO-g9E1zpIQ8NQX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE0MDA4NSBTYWx0ZWRfX0f+qrLpopB5T Mc2zKPRQDJuW0l4RN8q73T9qAUlyFXb6uCybhXUJsNopGtAJrcmustzCEzN0F26N4823TgnzP09 rmPCdrvhHymD4WkBUo5F28lNFqtC+fa15mnP8lDu50lzDRYQSdQ7Wj01yysbJtFKGNQqVjNZW45 TM9nSS/A83AoL+kbL/KkAivWeHW/pOcjTMlP1f5WXhQqpl2v04DHWhSdihxpZ6ZXsdkYkikeDQx 9LgnR0xhgMpAW4wfvbFB81AX7ZTHgYH/eVfQwXMeiK64buyA95QEK1rW+2gzoPq7AJO70tR5eDv PpwRYNAGTKakF/Ml9ElMYHzh4ZUgVvQGpAhjv0Eil6exKoKIhgfOngR3pN9yEavqn9qmcyQnIML Gfwph1wx1/3To0PShYQRqIIbhTfAnf9F9SQxHtRMk5ueR3EiX0i1GYdiUtSmKezNfxaL5f4wmlQ sDkhG+ta4OooseTlY0w== X-Authority-Analysis: v=2.4 cv=W+w1lBWk c=1 sm=1 tr=0 ts=69676fc6 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OuZLqq7tAAAA:8 a=za1BG0YIFsB6r-OV5FEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-GUID: oHrFyxXzSEFndpxNSfO-g9E1zpIQ8NQX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-14_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601140085 On 1/14/26 11:15 AM, David Heidelberg wrote: > On 12/01/2026 21:13, Barnabás Czémán wrote: >> The device was crashing on high memory load because the reserved memory >> ranges was wrongly defined. Correct the ranges for avoid the crashes. >> Change the ramoops memory range to match with the values from the recovery >> to be able to get the results from the device. >> >> Fixes: 9b1a6c925c88 ("arm64: dts: qcom: sm6125: Initial support for xiaomi-ginkgo") >> Signed-off-by: Barnabás Czémán >> --- [...] > Hello! > > I suggest one more nice to have improvement: > > you could label framebuffer cont_splash_mem since you already touching the node and testing the series. > > Then in additional commit, you can replace manually defined `reg` in chosen > framebuffer node with > > memory-region = <&cont_splash_mem>; > > For example you can look at sdm845-oneplus-common.dtsi > > Tell me what u think If you wanna do that, please call it framebuffer_mem, "cont_splash" is a Qualcomm-specific name for (roughly) flicker-free bootup Konrad