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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?KeI9hGHkxbXKTz1jiQIFnj6nNW0VcWJvSlP++KDvxoMpxcsez/hZ+9IrWDES?= =?us-ascii?Q?cAqkWaKGOKi2/Q7HNq8j7Q9ehJ6z/ZU1wyLIsKOpfEUNtpz+7Y9rmGaQwytD?= =?us-ascii?Q?9Z0bgoBR+QV0fcej1H2BRPpi5b66eJPEfd9DsF1g/+R0/ltYx23Y17iRLC8o?= =?us-ascii?Q?WMEclQqSl+PDT44q9jcrs0Qioe2y+Hbcj3yiciAyv26oACeOvV1CerC0bbpe?= =?us-ascii?Q?sd1RzAQLx1YcaSVV6Zd99ZVU6S3QBnxUAk6T637NY1fji+GipvveynxS07hH?= =?us-ascii?Q?BJdve09CQ8ONhIzfP/YOeRNsWC0+yxgsmD4NpBKInbwI0hbF7KYgLiYIxH+r?= =?us-ascii?Q?HoO4NFRnnwzKrZ71JiK2pHG2FA9/o9RfiOhbb0Orb58GAvD6v9mTwXQEM/zG?= =?us-ascii?Q?snF9ZoK71VF6VbW196LySAepuEdDXW5SHeTGCeNfDJlOI7v+avbUA5KFcPAr?= =?us-ascii?Q?VwzXs1abXvvbjkXSTlCutmwEnyo/BY3Dtgx6Pl0yggeH7N/wyZus44FQr0gS?= =?us-ascii?Q?Yj2x+sG5zRwrMumqVwfQJsJiP9yrDRW4dd1uwggOusjw4OtzFLoawChqKlRO?= =?us-ascii?Q?iMo16jXugI9GJGblpaw+6oEMLnLeINM3e8HB4xkniNW/dg0+ZWWDU6twUgVe?= =?us-ascii?Q?SwTzRr6avIApTwwnHEhHyiVPd914/YjpNka2tYncP4F1SRlMZWBe0ss509IE?= =?us-ascii?Q?576qwop357dfj1NXZTNTLwo57iT/GYwC7yhIjy2MoYmXy4MD85PnUSgGe+p1?= =?us-ascii?Q?ms8aSiiwXoKtyhMmsduQMfpu/bLxsF87HOSajHC0bNdBzn4WKb2OFXT0wNvY?= =?us-ascii?Q?VkHLGc0u5PODoahh3asW1yG1QP0MER/Anz+pS3mLZWPy/AQ4g7CeZLBe5o8V?= =?us-ascii?Q?qWAuE1mAEOXk3vHg12AnnwZt4XX2IDYlGLoZ0PaGeXSE0X9F+vL7G2xV4jWB?= =?us-ascii?Q?giYwVzD5DYAM/9giXSjkWNZZEfQ20CuGqZ6zjtj87uyXrWVR8QMfgo1/x2O6?= =?us-ascii?Q?ke171luXqsiToMnB+LJrC8BPWrwWkD6mMhs7n+d+kBERm9C587dsW8frLNKM?= =?us-ascii?Q?nbQBeb/fGQBa7FL6sRAGPQQjaWOHUeOpN51GIarbCHXOwd8q5TByC1os4ncp?= =?us-ascii?Q?HOAAK22vDeOPd+4vx1zEfQYNeDrhirzeYw8HwypuDC95/Dsq+1FR0TtTvMoL?= =?us-ascii?Q?VvMtyvj6EhLjQVS4tbd0IAZYqictbKipK00Sr7q6PJLb7GWLudEwK3ORmumo?= =?us-ascii?Q?nYdbiSFHrZd+f6DBwc9g+a/74oK658joEnOnLc3bQS5rsgISosVKQVW9feQF?= =?us-ascii?Q?ICc+WuPPvid3mXN0+PCm3rbEvUmUToAlo7rhcI8QfiLVaBzUgWpbQ9DqWL1Q?= =?us-ascii?Q?a5mUo240W1wWGL0U8/EsMWYv8jYoCCF7TQ2Gq58jZBLPkgOknEZ7KgvN9G2V?= =?us-ascii?Q?PSziWH+h1N1F5+W5/c2x9NknkAY8pzrGpoke1IZMwLSVThLm+lF6MHM3omlI?= =?us-ascii?Q?mPl0T/52wWIgghnAc/xcWZM+u/xLYPjNanGSQPcqNeVwtv23AhAzPZuqEmLa?= =?us-ascii?Q?4qLQEdl3UP1x6X05/vc=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 61fc5d2f-f78f-49d5-b8f6-08dad47959cb X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2022 15:24:48.9938 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ZbAYJrolmxE6DOk6MX+74XW1Q/gYQosjWRfr3Z356q3XFf23NEfMdGC623BKeUzk X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7642 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 02, 2022 at 04:12:50PM +0100, Niklas Schnelle wrote: > https://git.kernel.org/pub/scm/linux/kernel/git/niks/linux.git/commit/?h=dma_iommu_v3&id=a2aecd821fe3c5e2549946a68d8b07e05b288a9b This patch makes sense to me, if the sync-map is optimally a hypervisor call and the hypervisor is allowed to fail it, then propagating the failure seems necessary. Jason