On Mon, Jan 07, 2019 at 08:10:05PM +0100, Cédric Le Goater wrote: > Clear the ESB pages from the VMA of the IRQ being pass through to the > guest and let the fault handler repopulate the VMA when the ESB pages > are accessed for an EOI or for a trigger. Why do we want to do this? I don't see any possible advantage to removing the PTEs from the userspace mapping. You'll need to explain further. Paul.
