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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2021-09-14 18:48:15 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 04:27:11 -0400 |
| commit | 0226a45c468f72fe5e085d1cad571c42bff06cad (patch) | |
| tree | eee5f53dac420dc8842c7483d0273d3166d895b6 | |
| parent | 515a0c79e7963cc4556ca61516cc09d39e592712 (diff) | |
| download | linux-0226a45c468f72fe5e085d1cad571c42bff06cad.tar.bz2 | |
KVM: x86: nSVM: don't copy pause related settings
According to the SDM, the CPU never modifies these settings.
It loads them on VM entry and updates an internal copy instead.
Also don't load them from the vmcb12 as we don't expose these
features to the nested guest yet.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210914154825.104886-5-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 510b833cbd39..ec3e926b20dd 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -550,9 +550,6 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm) svm->vmcb->control.event_inj = svm->nested.ctl.event_inj; svm->vmcb->control.event_inj_err = svm->nested.ctl.event_inj_err; - svm->vmcb->control.pause_filter_count = svm->nested.ctl.pause_filter_count; - svm->vmcb->control.pause_filter_thresh = svm->nested.ctl.pause_filter_thresh; - nested_svm_transition_tlb_flush(vcpu); /* Enter Guest-Mode */ @@ -810,11 +807,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm) vmcb12->control.event_inj = svm->nested.ctl.event_inj; vmcb12->control.event_inj_err = svm->nested.ctl.event_inj_err; - vmcb12->control.pause_filter_count = - svm->vmcb->control.pause_filter_count; - vmcb12->control.pause_filter_thresh = - svm->vmcb->control.pause_filter_thresh; - nested_svm_copy_common_state(svm->nested.vmcb02.ptr, svm->vmcb01.ptr); svm_switch_vmcb(svm, &svm->vmcb01); |