> It sounds like the only permission you care about is > the permission of the _guest_ writing to that memory, > not the permission of the qemu-kvm userspace program > writing to that memory. Yes that is perhaps what I meant. > > You may be looking at the wrong page mapping to > manipulate. I think that it is still the same mapping because hva created by qemu-kvm is the one used by the guest (after another layer of paging ?). I will check TLB specs and verify valdis worries about problems with interfering data moving to TLB. But I think I moved away from the original question. So I will re-ask it again, How can i change set R/O protection to a page from inside a kernel module ? That was the current problem I was facing. > -- > All Rights Reversed. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
