Xiao didn't find the nice cr0.wp=0 trick because it wasn't there, removed accidentally by b70ccb0b3fd. Restore the trick and document it. Avi Kivity (3): KVM: MMU: Allow spte.w=1 for gpte.w=0 and cr0.wp=0 only in shadow mode KVM: MMU: Remove user access when allowing kernel access to gpte.w=0 page KVM: MMU: Document cr0.wp emulation Documentation/kvm/mmu.txt | 18 ++++++++++++++++++ arch/x86/kvm/mmu.c | 6 +++++- 2 files changed, 23 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html