Messages in this thread | | | Subject | Re: [PATCH 0/7] KVM: SVM: baby steps towards nested state migration | From | Krish Sadhukhan <> | Date | Mon, 18 May 2020 13:07:27 -0700 |
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On 5/15/20 10:41 AM, Paolo Bonzini wrote: > Here are some refactorings to prepare for an SVM implementation of > KVM_SET_NESTED_STATE. It's a prerequisite for that to eliminate > exit_required, moving exceptions to svm_check_nested_events. However: > > - I might work on that soon, because it's needed to handle RSM when > the L1 hypervisor wants to get it from #UD rather than the specific > RSM intercept > > - this should be enough to get a quick prototype, that I need in order to > debug a particularly crazy bug and figure out its reproducibility. > > So, I am getting these patches out of my todo list for now. > > Thanks, > > Paolo > > Paolo Bonzini (7): > KVM: SVM: move map argument out of enter_svm_guest_mode > KVM: SVM: extract load_nested_vmcb_control > KVM: SVM: extract preparation of VMCB for nested run > KVM: SVM: save all control fields in svm->nested > KVM: nSVM: remove HF_VINTR_MASK > KVM: nSVM: do not reload pause filter fields from VMCB > KVM: SVM: introduce data structures for nested virt state > > arch/x86/include/asm/kvm_host.h | 1 - > arch/x86/include/uapi/asm/kvm.h | 26 +++++++- > arch/x86/kvm/svm/nested.c | 115 +++++++++++++++++--------------- > arch/x86/kvm/svm/svm.c | 11 ++- > arch/x86/kvm/svm/svm.h | 28 +++++--- > 5 files changed, 116 insertions(+), 65 deletions(-) > Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
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