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rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v5 3/5] accel/amdxdna: do not warn when a sync request is rejected Content-Language: en-US From: Lizhi Hou To: Taimuraz Kaitmazov , Min Ma , Oded Gabbay CC: =?UTF-8?Q?Christian_K=c3=b6nig?= , Sumit Semwal , Alex Deucher , Max Zhen , Sonal Santan , , , , References: <20260819224458.257346-1-taimuraz@kaitmazov.com> <20260819224458.257346-4-taimuraz@kaitmazov.com> <99a26a5a-a42a-f0b1-eaca-041629a7c103@amd.com> In-Reply-To: <99a26a5a-a42a-f0b1-eaca-041629a7c103@amd.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000044A9:EE_|DM6PR12MB4074:EE_ X-MS-Office365-Filtering-Correlation-Id: 9b282596-f5e4-4ff9-a4d3-08df14f9ba60 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|36860700016|23010399003|56012099006|4143699003|11063799006|10067099003|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: vKJpyHuZ+kuhIpMCS6kkmcP1QPiQfdNitizH1pw9hzWeyVHnfNviT5o64wGpQsgskwP8+ZSiQq96zjnlPJhXnTlJ8UELoqSLujs0M/ES+vnVdlYaQhVwxW26N+ctDgMrrwCHMuY/xScfdrXf02TCN07lDWVN9OboS0/puoLQujRAyHIVFyxJxgnvvvCr8WsTJ5/7giSQ5rK4/vzf6lp8qJTQZSCILmUn6PT2eCYcejDrXxWuizNIDp8/3NI2BhBVzNwEu958XTd9guOK4V4H2BmSuAQayvbmEB54ymELhVcnT3tGgSfad73hU6yvHF0tNl86on42bOTE+b8SrK754wRwk39Nj38a+muWVv11m7FoLAve8/11De+1SUaB/6eVDgndmX3QycHHtGop4LwiKm++VJteRnVcxNouIheUB43JGA2nImxMBwNvdsqgHZZe X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2026 20:24:51.5737 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9b282596-f5e4-4ff9-a4d3-08df14f9ba60 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000044A9.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4074 Applied to drm-misc-next On 9/17/26 08:55, Lizhi Hou wrote: > > On 8/19/26 15:44, Taimuraz Kaitmazov wrote: >> amdxdna_drm_sync_bo_ioctl() answers a failed amdxdna_flush_bo() with >> drm_WARN(). Both of that function's error returns are decided by the >> ioctl's arguments, so SYNC_BO with an offset past the end of the BO >> splats and taints the kernel from an unprivileged caller. >> >> Log it at debug level, since the same caller can repeat it. >> >> Signed-off-by: Taimuraz Kaitmazov >> --- >>   drivers/accel/amdxdna/amdxdna_gem.c | 2 +- >>   1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/accel/amdxdna/amdxdna_gem.c >> b/drivers/accel/amdxdna/amdxdna_gem.c >> index 77a9493cd7ba..0e0f844526ca 100644 >> --- a/drivers/accel/amdxdna/amdxdna_gem.c >> +++ b/drivers/accel/amdxdna/amdxdna_gem.c >> @@ -1310,7 +1310,7 @@ int amdxdna_drm_sync_bo_ioctl(struct drm_device >> *dev, >>           amdxdna_gem_unpin(abo); >>             if (ret) { >> -            drm_WARN(&xdna->ddev, 1, "Can not get flush memory"); >> +            XDNA_DBG(xdna, "Flush BO %d failed, ret %d", >> args->handle, ret); > Reviewed-by: Lizhi Hou >>               goto put_obj; >>           } >>       }