This comes from the dirty page list work, but it can also be useful for VMCS12 handling in nested VMX. Paolo Cao, Lei (1): KVM: Support vCPU-based gfn->hva cache Paolo Bonzini (2): KVM: only retrieve memslots once when initializing cache KVM: use separate generations for each address space arch/x86/kvm/lapic.c | 22 +++++++------- arch/x86/kvm/x86.c | 41 +++++++++++++------------- include/linux/kvm_host.h | 16 +++++------ virt/kvm/kvm_main.c | 75 +++++++++++++++++++++++++++++------------------- 4 files changed, 83 insertions(+), 71 deletions(-) -- 1.8.3.1