KVM: x86: Move TSC scaling logic out of call-back adjust_tsc_offset()

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kvm / svm.c

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index d99b175ffbeaf62bcdd7720d5464d34a8e4348da..b5824a3894bf9c5644d077f2de104f965b74d735 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -983,16 +983,10 @@ static void svm_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset)
        mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
 }
 
-static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment, bool host)
+static void svm_adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, s64 adjustment)
 {
        struct vcpu_svm *svm = to_svm(vcpu);
 
-       if (host) {
-               if (vcpu->arch.tsc_scaling_ratio != TSC_RATIO_DEFAULT)
-                       WARN_ON(adjustment < 0);
-               adjustment = kvm_scale_tsc(vcpu, (u64)adjustment);
-       }
-
        svm->vmcb->control.tsc_offset += adjustment;
        if (is_guest_mode(vcpu))
                svm->nested.hsave->control.tsc_offset += adjustment;
@@ -4360,7 +4354,7 @@ static struct kvm_x86_ops svm_x86_ops = {
 
        .read_tsc_offset = svm_read_tsc_offset,
        .write_tsc_offset = svm_write_tsc_offset,
-       .adjust_tsc_offset = svm_adjust_tsc_offset,
+       .adjust_tsc_offset_guest = svm_adjust_tsc_offset_guest,
        .read_l1_tsc = svm_read_l1_tsc,
 
        .set_tdp_cr3 = set_tdp_cr3,