On 4/3/25 06:28, Huang, Honglei1 wrote: > > Hi Dmitry: > > Really sorry for missed this comment. Yes it can be done in UMD, > actually the interval tree is used with the MMU notifier normally, > it is for preventing create same MMU notifier for overlapped areas. > Cause this version patch set doesn't have MMU notifier, removing > interval tree is reasonable. > > Hi Demi: > Adding interval tree can make virtio userptr has robust check, it can be > done in UMD. And for AMD userptr driver, it is a SVM type driver, it has > both interval tree and MMU notifier but userptr memory is moveable in > it. No interval tree for Intel i386, not sure about the Intel XE driver. > > Maybe I can remove the interval tree in next version. Great, thanks for the clarification. And no need to be sorry, it happens to everyone on the ML :D -- Best regards, Dmitry
