From: Nicușor Cîțu <[email protected]> This function is needed for the KVMI_EVENT_DESCRIPTOR event.
Signed-off-by: Nicușor Cîțu <[email protected]> Signed-off-by: Adalbert Lazăr <[email protected]> --- arch/x86/kvm/svm.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index f9185f0b0c2b..fd21439475b5 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -4792,6 +4792,13 @@ static int avic_unaccelerated_access_interception(struct vcpu_svm *svm) return ret; } +static int descriptor_access_interception(struct vcpu_svm *svm) +{ + struct kvm_vcpu *vcpu = &svm->vcpu; + + return kvm_emulate_instruction(vcpu, 0); +} + static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = { [SVM_EXIT_READ_CR0] = cr_interception, [SVM_EXIT_READ_CR3] = cr_interception, @@ -4858,6 +4865,14 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = { [SVM_EXIT_RSM] = rsm_interception, [SVM_EXIT_AVIC_INCOMPLETE_IPI] = avic_incomplete_ipi_interception, [SVM_EXIT_AVIC_UNACCELERATED_ACCESS] = avic_unaccelerated_access_interception, + [SVM_EXIT_IDTR_READ] = descriptor_access_interception, + [SVM_EXIT_GDTR_READ] = descriptor_access_interception, + [SVM_EXIT_LDTR_READ] = descriptor_access_interception, + [SVM_EXIT_TR_READ] = descriptor_access_interception, + [SVM_EXIT_IDTR_WRITE] = descriptor_access_interception, + [SVM_EXIT_GDTR_WRITE] = descriptor_access_interception, + [SVM_EXIT_LDTR_WRITE] = descriptor_access_interception, + [SVM_EXIT_TR_WRITE] = descriptor_access_interception, }; static void dump_vmcb(struct kvm_vcpu *vcpu) _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
