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Mon, 24 Aug 2026 23:48:00 -0700 (PDT) X-Received: by 2002:a17:903:3904:b0:2c7:ebfb:618f with SMTP id d9443c01a7336-2d670d299bdmr452009385ad.14.1787640479831; Mon, 24 Aug 2026 23:47:59 -0700 (PDT) Received: from [10.219.56.151] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d676761bdesm25061285ad.1.2026.08.24.23.47.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Aug 2026 23:47:59 -0700 (PDT) Message-ID: Date: Tue, 25 Aug 2026 12:17:55 +0530 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] fastrpc: Reduce log level for DSP info and reserved memory messages To: Jianping Li , srini@kernel.org, amahesh@qti.qualcomm.com, arnd@arndb.de, gregkh@linuxfoundation.org Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260514062825.50172-1-jianping.li@oss.qualcomm.com> Content-Language: en-US From: Ekansh Gupta In-Reply-To: <20260514062825.50172-1-jianping.li@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: HFuC4oPOLmgtHNt7QF85Zfkv7-4B_6i0 X-Proofpoint-ORIG-GUID: HFuC4oPOLmgtHNt7QF85Zfkv7-4B_6i0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI1MDA1NiBTYWx0ZWRfXxA6ngKR1qIXl k09u0qOrdGItxCJtdLxpkYEskVSfbw7ATMovCVukivsUX7Jh15/LimbDihCIFXPCiaPUwbd1ia7 6L9CqdCOo0oHrqv7i1QxpNRvK4/k4/mgQ8oc57VVNiy+Q8vTiM3JduMs175ztmP6DRsSBOrceAC E2/XA+CDLFaZd9g45XqdofJ/u38fZj8bT2UDG4NkUm57Q3dkDmks0jQaKcO/dxTjKMc4t8+JCpX UKEEvm0VVj65PnsSnYitFEH0cz+GIjB1MJoHksUBEMK9NfuBN1ZCYOvkY7ILk6WO8JsxuMYllKO 0PRDpCrliY/MICAE+WGnilszvTeguGtcQ11m/iGjWTB4SP+d9r3AkrcYWv6+jI3GMVPPA4/K1a4 vDEc3iNne+fsV2px50k0zYB+Alb5KPL7jRWB/28vRaWBGmPWoYx2Vo8wBjr8jRPkIOKgEJZHz65 EdsJ1GxgHC5ZGW06cEA== X-Authority-Analysis: v=2.4 cv=JJULdcKb c=1 sm=1 tr=0 ts=6a8d3aa1 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=7I6ySQAFBpFkhykqCKYA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI1MDA1NiBTYWx0ZWRfX8XVSsaYsVCi9 Ze7Hq8U8xlHeoNYtPmi73lK2CgxVECxRejlBtFubxFYgr9VmMlY0nK9Gh+FeOu4+vwxQe0Npizp EE7HEV0zl1ftUGyHAKE5qrVkH/1fPJU= 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=2026-08-25_01,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 suspectscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608250056 On 14-05-2026 11:58, Jianping Li wrote: > On some platforms (e.g. QCS615 Talos), fastrpc may temporarily fail > to retrieve DSP attributes during boot, resulting in repeated > "Error: dsp information is incorrect" messages printed on the > console. > > These messages are observed continuously during boot when metadata > flashing is enabled as part of RC releases, causing unnecessary > log noise. > > Similarly, the absence of reserved DMA memory is a valid > configuration and does not represent an error condition. > > Since these scenarios are expected and do not indicate a failure, > downgrade the log level from dev_err/dev_info to dev_dbg to avoid > flooding the console. > > No functional change intended. misc: fastrpc: > > Signed-off-by: Jianping Li > --- > drivers/misc/fastrpc.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c > index 1080f9acf70a..05ec14c07fd0 100644 > --- a/drivers/misc/fastrpc.c > +++ b/drivers/misc/fastrpc.c > @@ -1802,7 +1802,7 @@ static int fastrpc_get_info_from_kernel(struct fastrpc_ioctl_capability *cap, > kfree(dsp_attributes); > return -EOPNOTSUPP; > } else if (err) { > - dev_err(&cctx->rpdev->dev, "Error: dsp information is incorrect err: %d\n", err); > + dev_dbg(&cctx->rpdev->dev, "Error: dsp information is incorrect err: %d\n", err); > kfree(dsp_attributes); > return err; > } > @@ -2361,7 +2361,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) > } > > if (of_reserved_mem_device_init_by_idx(rdev, rdev->of_node, 0)) > - dev_info(rdev, "no reserved DMA memory for FASTRPC\n"); > + dev_dbg(rdev, "no reserved DMA memory for FASTRPC\n"); > > vmcount = of_property_read_variable_u32_array(rdev->of_node, > "qcom,vmids", &vmids[0], 0, FASTRPC_MAX_VMIDS); Can you also move this log[1] to debug level/rate-limit? This can cause dmesg flooding in case all the session are already getting used by processes. Some discussion around the same happened here[2]. [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/misc/fastrpc.c#n1786 [2] https://github.com/qualcomm/fastrpc/issues/383