On 6/25/26 12:59, Yitao Jiang wrote: > Some secondary MMUs cannot safely tolerate a user VMA becoming backed > by transparent huge pages after the range has been registered with an > interval notifier. Drivers can observe the page-table layout change > through invalidations, but devices without replayable faults, or ranges > that must stay mapped,
Then you shouldn't be using MMU notifiers. Use good old nasty page pinning. :) -- Cheers, David
