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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c76c6372078sm2226629a12.0.2026.04.02.02.48.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 02 Apr 2026 02:48:21 -0700 (PDT) Message-ID: <5affb7f3-30c4-4e98-9905-c09154711542@oss.qualcomm.com> Date: Thu, 2 Apr 2026 17:48:15 +0800 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] arm64: dts: qcom: kodiak: increase fastrpc compute-cb session slots To: Konrad Dybcio References: <20260401073345.478-1-jianping.li@oss.qualcomm.com> <7b271810-c1ab-4d07-8364-e4c30588722d@oss.qualcomm.com> Content-Language: en-US Cc: Dmitry Baryshkov , Bjorn Andersson , konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ekansh Gupta From: Jianping Li In-Reply-To: <7b271810-c1ab-4d07-8364-e4c30588722d@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=TqLrRTXh c=1 sm=1 tr=0 ts=69ce3b67 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=zrXMvOTigF7fNPF74M8A:9 a=QEXdDO2ut3YA:10 a=zgiPjhLxNE0A:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-ORIG-GUID: f6pNWwIYF4Qya_vkEmv7ajEuxJWRGo_W X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDA4NyBTYWx0ZWRfX7qnti+pY2Eyg tixhB7rIrGcuxvRIEIkh344bxvWUnHwY8lIBsWHy7xNJ7wUkaOzrV3uPWQ/UNTOWfedZ4ZJhpXi SE8TT0LyMffXAOn9COaiivrH7mF+CnRmHHP3YhzNIPgIK62AsYTBShYTnnqnqj+kFRlVEbWX0Ud P/BTIfHQcU+UIx32Pp3zvXBC58vncolUQEVQnPK6JtE8b2uZfYNsg/hgsecmGpqa50tzKDyuHm3 lTK14JtBAZt1LuOb53lacgqAIJvM5lhjboW2fiqi6VHboXf2O8fuid9WyyNJF5heKbwXjAXGwlo dgrmeRT8Nfj7Xnp6c7NQxr918fFODckTk0tkhfavpFCkAKarEiLdm3DRca3j36ym5rIm+FcalWJ VTtLCYQS3aG35MNCoX4M+QqhK8wy4ohzdLy39v4K9AYxNId563ya1gyGteGKS4YwhBU5HgA7rYZ wxH81Qgxtm3NLouAecg== X-Proofpoint-GUID: f6pNWwIYF4Qya_vkEmv7ajEuxJWRGo_W 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=2026-04-02_01,2026-04-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020087 On 4/1/2026 7:40 PM, Konrad Dybcio wrote: > On 4/1/26 1:33 PM, Dmitry Baryshkov wrote: >> On Wed, Apr 01, 2026 at 03:33:45PM +0800, Jianping Li wrote: >>> Some workloads on Kodiak can exhaust FastRPC sessions when multiple >>> compute clients open contexts concurrently, leading to -EBUSY failures. >>> >>> Describe the compute context bank with qcom,nsessions = <5> so the >>> driver can provision enough session slots for the compute-cb instance. >> This is a software property, so it probably should not have been added >> to the DT in the first place. Can we replace it with the driver code, >> allocating more sessions to the last CB? > Nov 2025 => https://lore.kernel.org/linux-arm-msm/53644b36-2eff-4b1c-9886-591afee8b589@oss.qualcomm.com/ > > Konrad Received the comments you gave eariler, currentl checking them. Thanks, Jianping.