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-rw-r--r--arch/x86/kvm/svm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index f043168a5ab..590d1d2d620 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2910,6 +2910,13 @@ static int cr8_write_interception(struct vcpu_svm *svm)
return 0;
}
+u64 svm_read_l1_tsc(struct kvm_vcpu *vcpu)
+{
+ struct vmcb *vmcb = get_host_vmcb(to_svm(vcpu));
+ return vmcb->control.tsc_offset +
+ svm_scale_tsc(vcpu, native_read_tsc());
+}
+
static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -4201,6 +4208,7 @@ static struct kvm_x86_ops svm_x86_ops = {
.write_tsc_offset = svm_write_tsc_offset,
.adjust_tsc_offset = svm_adjust_tsc_offset,
.compute_tsc_offset = svm_compute_tsc_offset,
+ .read_l1_tsc = svm_read_l1_tsc,
.set_tdp_cr3 = set_tdp_cr3,