On Wed, Nov 23, 2022 at 04:15:05PM +0100, Christian König wrote: > I have not the slightest idea how people got this impression, but I have > heard it so many time from so many different sources that there must be some > common cause to this. Is the maybe some book or tutorial how to sophisticate > break the kernel or something like this? > > Anyway as far as I can see only correct approach would be to use an MMU > notifier or more high level hmm_range_fault()+seq number. It already uses a mmu notifier, this is why I have no idea what the page ref is doing.. Jason
