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Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v4 3/5] accel/amdxdna: do not warn when a sync request is rejected Content-Language: en-US To: Taimuraz Kaitmazov , , CC: , , , , , , , , References: <20260817230707.356828-1-taimuraz@kaitmazov.com> <20260817230707.356828-4-taimuraz@kaitmazov.com> From: Lizhi Hou In-Reply-To: <20260817230707.356828-4-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: CO1PEPF00012E84:EE_|CY3PR12MB9605:EE_ X-MS-Office365-Filtering-Correlation-Id: c794eecd-1ccd-4919-786d-08defe3482d1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|23010399003|376014|82310400026|4143699003|11063799006|56012099006|10067099003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700016)(1800799024)(23010399003)(376014)(82310400026)(4143699003)(11063799006)(56012099006)(10067099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: ojlEaJrZkF8nJhj9nCzIw25Wx1EHTagLgFgWQk6U8gXj2fDRLpcO69H4IFLkCEUvh9xzz5cgJdODC3aAs9Njj/NgSCY4/u1gyCTqe7P8rPtIGmJ4qY1WJvHol3Jk7hYItAa9fwOKUoIbxHRK6fw7TIQt4oj5+Q6TByFXLEO8jRrujEtwFmg3iXyuDik0kTKRwswZP1075Vq2HapA0OY2jqbu3d8dBz0qEdVVTNe57ZlXnrzd2vcOCULSiNR7sc5PIDkpOi8sT2NyTcFvEQ72hqwhGSn4uTAKWgfBHcVcDKImGg7bcvkfi3iZgzMvwFYxU14RBu8yzoFTGIghQ7KhVgfA48kKvQbw1Zfu8dCbBBnpSx2Zu86oJ2qwZNI2ZdDguNYFAuZxnoGSldED3BoxmaXStRxlMTev7imwUSQMKvn4lmohbY45fv9AjcUD7ng7 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Aug 2026 20:57:41.8372 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c794eecd-1ccd-4919-786d-08defe3482d1 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: CO1PEPF00012E84.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY3PR12MB9605 On 8/17/26 16:07, 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 like the pin failure above 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..4f38f985c74e 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_ERR(xdna, "Flush BO %d failed, ret %d", args->handle, ret); Should it be XDNA_DBG? Lizhi > goto put_obj; > } > }