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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge2.nvidia.com; CAT:NONE; SFS:(13230040)(36860700013)(7416014)(376014)(82310400026)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Nov 2025 21:30:27.4770 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: df876cc4-1957-4f5e-7412-08de287c0600 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.233]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002325.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH8PR12MB9767 Received-SPF: permerror client-ip=2a01:111:f403:c005::5; envelope-from=nicolinc@nvidia.com; helo=CO1PR03CU002.outbound.protection.outlook.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_SPF_HELO=1, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Nov 20, 2025 at 01:27:25PM -0800, Nicolin Chen wrote: > On Thu, Nov 20, 2025 at 01:22:00PM +0000, Shameer Kolothum wrote: > > + /* QEMU SMMUv3 supports Range Invalidation by default */ > > + if (FIELD_EX32(info->idr[3], IDR3, RIL) != > > + FIELD_EX32(s->idr[3], IDR3, RIL)) { > > + error_setg(errp, "Host SMMUv3 doesn't support Range Invalidation"); > > + return false; > > If host reports info->ril=1 while VM sets s->ril=0, it could have > worked. But this would reject the case. > > I think it should be: > if (FIELD_EX32(info->idr[3], IDR3, RIL) < > FIELD_EX32(s->idr[3], IDR3, RIL)) { > ? Never mind. I realized that you are doing in a followup patch :) Nicolin