On Fri, Oct 29, 2021 at 10:32:03AM +0000, Shameerali Kolothum Thodi wrote: > Just trying to follow the thread here. The above situation where MMIOs can be > further poked in the !RUNNING state, do you mean poking through P2P or > Guest/Qemu can still do that? I am just trying to see if the current uAPI fits well > within the use case where we don't have any P2P scenario and the assigned dev > is behind the IOMMU. The way it is today any VFIO user can poke MMIO while in the !RUNNING state, no P2P needed, just write to the mmap. Jason