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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 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> From: Lizhi Hou In-Reply-To: <20260819224458.257346-4-taimuraz@kaitmazov.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000037AC:EE_|CH2PR12MB4101:EE_ X-MS-Office365-Filtering-Correlation-Id: 37ed6dec-7b00-41ee-e1de-08df14d4283e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|23010399003|36860700016|11063799006|22082099003|18002099003|10067099003|4143699003|56012099006; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: FeUUNqV+CfGhKFRe9iBbmr8K0gtEF8W/3YAg/SzzOLiK1BR+qPM7TSiXIGfPof2ShcnUt3YjbrvU53blvox9WLcw31HwLtdIokpr/1f6sIjcYfyboe7D7TyibrnKC/vCAIbdBWsoKeQl8I+NPNH6M9w+ZPbU5pkgHsQmxphfgPq0Quc9jYckTKDmyIw3IrwMmQeRPwD/uxpX6BqLiO+MQlZxVbd0cm1e6hAYtcoJ3J3EvDC0H8d4R5MDrElQIgWSDPL4Cn69pxh/RwdCU4Kzn0o7fXFSkkA9Nw1pCKxW3vdEOEQGAqNgCfwpHTX77mqKXI8FjxM7gx5gokK6k9w0BLBfiskHGSOYwQtcuCsrPzC0dKGaF8vHvJnR/H6PQwwLMvMZsm6/szjSXasT/GTKnycpfbx1sSC8OrNc84vJgj1UCKHobLyZvakYp88QefIg X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Sep 2026 15:55:55.0091 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37ed6dec-7b00-41ee-e1de-08df14d4283e 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: SJ1PEPF000037AC.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4101 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; > } > }