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Wed, 06 Mar 2024 05:53:29 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 4265rTk7019534; Wed, 6 Mar 2024 05:53:29 GMT Received: from hu-sgudaval-hyd.qualcomm.com (hu-dikshita-hyd.qualcomm.com [10.213.110.13]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 4265rTT1019532; Wed, 06 Mar 2024 05:53:29 +0000 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 347544) id 91E722BC9; Wed, 6 Mar 2024 11:23:28 +0530 (+0530) From: Dikshita Agarwal To: Stanimir Varbanov , Vikash Garodia , Andy Gross , Bjorn Andersson , Konrad Dybcio , Mauro Carvalho Chehab Cc: "Bryan O'Donoghue" , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Dikshita Agarwal Subject: [PATCH] media: venus: avoid multiple core dumps Date: Wed, 6 Mar 2024 11:23:26 +0530 Message-Id: <1709704406-22501-1-git-send-email-quic_dikshita@quicinc.com> X-Mailer: git-send-email 2.7.4 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 7DQoBiCvnEKWTE16WudirzFuxTPnJIpH X-Proofpoint-ORIG-GUID: 7DQoBiCvnEKWTE16WudirzFuxTPnJIpH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-06_02,2024-03-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 bulkscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2403060044 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Core dump is generated whenever there is system error reported by firmware. Right now, multiple such dumps are generated if recovery fails in first attempt, since the sys error handler is invoked again for every failed recovery. To avoid it, add conditional check to generate core dump only once during every system error notification from firmware. Signed-off-by: Dikshita Agarwal Reviewed-by: Bryan O'Donoghue Reviewed-by: Bryan O'Donoghue --- drivers/media/platform/qcom/venus/core.c | 6 +++++- drivers/media/platform/qcom/venus/core.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index a712dd4..cc77900 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -67,6 +67,7 @@ static void venus_event_notify(struct venus_core *core, u32 event) mutex_lock(&core->lock); set_bit(0, &core->sys_error); + set_bit(0, &core->dump_core); list_for_each_entry(inst, &core->instances, list) inst->ops->event_notify(inst, EVT_SESSION_ERROR, NULL); mutex_unlock(&core->lock); @@ -109,7 +110,10 @@ static void venus_sys_error_handler(struct work_struct *work) venus_shutdown(core); - venus_coredump(core); + if (test_bit(0, &core->dump_core)) { + venus_coredump(core); + clear_bit(0, &core->dump_core); + } pm_runtime_put_sync(core->dev); diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index 4a63326..c04ea62 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -233,6 +233,7 @@ struct venus_core { u32 minor; u32 rev; } venus_ver; + unsigned long dump_core; }; struct vdec_controls {