Messages in this thread | | | Date | Wed, 2 Feb 2022 18:14:46 +0100 | Subject | Re: [PATCH v2 0/4] KVM: SVM: nSVM: Implement Enlightened MSR-Bitmap for Hyper-V-on-KVM | From | Paolo Bonzini <> |
| |
On 2/2/22 10:50, Vitaly Kuznetsov wrote: > Changes since v1: > - Patches 1/2 from "[PATCH 0/5] KVM: SVM: nSVM: Implement Enlightened > MSR-Bitmap for Hyper-V-on-KVM and fix it for KVM-on-Hyper-V" are already > merged, dropped. > - Fix build when !CONFIG_HYPERV (PATCH3 "KVM: nSVM: Split off common > definitions for Hyper-V on KVM and KVM on Hyper-V" added). > > Description: > > Enlightened MSR-Bitmap feature implements a PV protocol for L0 and L1 > hypervisors to collaborate and skip unneeded updates to MSR-Bitmap. > KVM already implements the feature for KVM-on-Hyper-V. > > Vitaly Kuznetsov (4): > KVM: nSVM: Track whether changes in L0 require MSR bitmap for L2 to be > rebuilt > KVM: x86: Make kvm_hv_hypercall_enabled() static inline > KVM: nSVM: Split off common definitions for Hyper-V on KVM and KVM on > Hyper-V > KVM: nSVM: Implement Enlightened MSR-Bitmap feature > > arch/x86/kvm/hyperv.c | 12 +-------- > arch/x86/kvm/hyperv.h | 6 ++++- > arch/x86/kvm/svm/hyperv.h | 35 ++++++++++++++++++++++++ > arch/x86/kvm/svm/nested.c | 47 ++++++++++++++++++++++++++++----- > arch/x86/kvm/svm/svm.c | 3 ++- > arch/x86/kvm/svm/svm.h | 11 ++++++++ > arch/x86/kvm/svm/svm_onhyperv.h | 25 +----------------- > 7 files changed, 95 insertions(+), 44 deletions(-) > create mode 100644 arch/x86/kvm/svm/hyperv.h >
Queued, thanks.
Paolo
| |