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Mon, 13 Sep 2021 20:11:16 +0000 Received: from Philip-Dev.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Mon, 13 Sep 2021 15:11:15 -0500 From: Philip Yang To: CC: Philip Yang Subject: [PATCH] drm/amdkfd: SVM map to gpus check vma boundary Date: Mon, 13 Sep 2021 16:11:00 -0400 Message-ID: <20210913201100.27146-1-Philip.Yang@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 82e39d29-27fe-4a32-a819-08d976f2a4b0 X-MS-TrafficTypeDiagnostic: SN1PR12MB2589: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3968; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(376002)(346002)(396003)(136003)(39860400002)(46966006)(36840700001)(36756003)(478600001)(1076003)(186003)(70586007)(2616005)(16526019)(83380400001)(47076005)(336012)(2906002)(36860700001)(81166007)(4744005)(356005)(426003)(26005)(8676002)(70206006)(316002)(6916009)(7696005)(82740400003)(4326008)(8936002)(82310400003)(6666004)(5660300002)(86362001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2021 20:11:16.6410 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 82e39d29-27fe-4a32-a819-08d976f2a4b0 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT029.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB2589 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" SVM range may includes multiple VMAs with different vm_flags, if prange page index is the last page of the VMA offset + npages, update GPU mapping to create GPU page table with same VMA access permission. Signed-off-by: Philip Yang --- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 110c46cd7fac..2e3ee9c46a10 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1178,7 +1178,9 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, for (i = offset; i < offset + npages; i++) { last_domain = dma_addr[i] & SVM_RANGE_VRAM_DOMAIN; dma_addr[i] &= ~SVM_RANGE_VRAM_DOMAIN; + if ((prange->start + i) < prange->last && + i + 1 < offset + npages && last_domain == (dma_addr[i + 1] & SVM_RANGE_VRAM_DOMAIN)) continue; -- 2.17.1