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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SA1PR12MB7199.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d970ab48-78ca-437c-1cac-08ddacca3ae2 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Jun 2025 11:37:52.7227 (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: e11r7XgY8XgeLmkBqMKTMu2+JJ+WiDLn/pd7vdnzIdWHl9xYukWP8PrXuxpTQqEcax3UCcYIrhTtXrqnZPQE/Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4310 X-Rspam-User: X-Rspamd-Queue-Id: 44A711C000E X-Stat-Signature: m1s5c51huhnyk8duydw8djp775nosstp X-Rspamd-Server: rspam04 X-HE-Tag: 1750073876-799979 X-HE-Meta: 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 m5Ct4KXS 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > So, in the absence of a complete solution, I guess we can forgo the=0A= > memslot flag. OTOH, the KVM cap is still useful since even now we do the= =0A= > wrong thing with cacheable PFNMAP so KVM_SET_USER_MEMORY_REGION=0A= > accepting a VMA doesn't mean much.=0A= =0A= Thanks Sean, Jason and Oliver for sharing your thoughts. I'll remove this= =0A= flag, and continue to keep the KVM cap in the next version posting.=0A= =0A= >> > https://lore.kernel.org/all/aAdKCGCuwlUeUXKY@linux.dev/=0A= >> > Oliver, could you please confirm if you are convinced with not having = this=0A= >> > flag? Can we rely on MT_NORMAL in vma mapping to convey this?=0A= >=0A= > Yes, following the VMAs memory attributes is the right thing to do. To=0A= > be clear, this is something I'd really like to have settled for 6.17.=0A= =0A= Ack.=