Are there any visible symptoms that occur when this happens? I've been
running 4.5.0 since the week it released and haven't run into any
unexpected issues (NVIDIA virtualization checks occasionally bite me, but I
consider that expected). Just trying to determine if it's worth fixing
what doesn't
Public service announcement: Changes that went in for the v4.5 kernel seems
to be disrupting page pinning for vfio. This potentially means that VM
pages could change out from under the IOMMU mapping resulting in incorrect
DMA operations. Since v4.5 kernels are now starting to trickle into stable
