This is new version of ondemand nested state allocation. In this version I dropped the changes to set_efer and instead added a new request KVM_REQ_OUT_OF_MEMORY which makes the kvm exit to userspace with KVM_EXIT_INTERNAL_ERROR
This request is used in (unlikely) case of memory allocation failure. Maxim Levitsky (2): KVM: add request KVM_REQ_OUT_OF_MEMORY KVM: nSVM: implement ondemand allocation of the nested state arch/x86/kvm/svm/nested.c | 42 ++++++++++++++++++++++++++++++ arch/x86/kvm/svm/svm.c | 54 ++++++++++++++++++++++----------------- arch/x86/kvm/svm/svm.h | 7 +++++ arch/x86/kvm/x86.c | 7 +++++ include/linux/kvm_host.h | 1 + 5 files changed, 87 insertions(+), 24 deletions(-) -- 2.26.2
