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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2022-11-01 15:53:58 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-18 12:59:12 -0500 |
| commit | e45aa2444d280747d27d4d98685d761125c4e364 (patch) | |
| tree | 92e4c24162c5bd9b593bd1a26e1d5bf515cead40 | |
| parent | 38edb45231832ef2aa191e2f3f77e30ad0bb4b61 (diff) | |
| download | linux-e45aa2444d280747d27d4d98685d761125c4e364.tar.bz2 | |
KVM: nSVM: Keep track of Hyper-V hv_vm_id/hv_vp_id
Similar to nSVM, KVM needs to know L2's VM_ID/VP_ID and Partition
assist page address to handle L2 TLB flush requests.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-21-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm/hyperv.h | 15 | ||||
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 2 |
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/hyperv.h b/arch/x86/kvm/svm/hyperv.h index c59544cdf03b..e97d80974e72 100644 --- a/arch/x86/kvm/svm/hyperv.h +++ b/arch/x86/kvm/svm/hyperv.h @@ -9,5 +9,20 @@ #include <asm/mshyperv.h> #include "../hyperv.h" +#include "svm.h" + +static inline void nested_svm_hv_update_vm_vp_ids(struct kvm_vcpu *vcpu) +{ + struct vcpu_svm *svm = to_svm(vcpu); + struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments; + struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); + + if (!hv_vcpu) + return; + + hv_vcpu->nested.pa_page_gpa = hve->partition_assist_page; + hv_vcpu->nested.vm_id = hve->hv_vm_id; + hv_vcpu->nested.vp_id = hve->hv_vp_id; +} #endif /* __ARCH_X86_KVM_SVM_HYPERV_H__ */ diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index cc8f47e7e294..aa36c349da43 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -800,6 +800,8 @@ int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa, if (kvm_vcpu_apicv_active(vcpu)) kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu); + nested_svm_hv_update_vm_vp_ids(vcpu); + return 0; } |