On Thu, Nov 30, 2017 at 07:05:45PM +0100, Radim Krčmář wrote: > Implementation of the unpinned APIC page didn't update the VMCS address > cache when invalidation was done through range mmu notifiers. > This became a problem when the page notifier was removed. > > Re-introduce the arch-specific helper and call it from ...range_start. > > Fixes: 38b9917350cb ("kvm: vmx: Implement set_apic_access_page_addr") > Fixes: 369ea8242c0f ("mm/rmap: update to new mmu_notifier semantic v2") > Signed-off-by: Radim Krčmář <rkrcmar@xxxxxxxxxx> Thanks for the fast reaction! Some initial test rounds with just Patch 1 applied on top of 4.13.8 show no blue screens, will do more tests also with 4.14.3 on Monday and report back. 4.15-rc1 crashes for unrelated reasons, but I can re-run the tests once a stable-enough rc has been cut..