On Tue, Jun 21, 2011 at 05:22:29AM -0700, Zachary Amsden wrote:
> -static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment)
> +static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment,
> bool host)
> {
> struct vcpu_svm *svm = to_svm(vcpu);
>
> + WARN_ON(adjustment< 0);
> + if (host)
> + adjustment = svm_scale_tsc(vcpu, adjustment);
> +
This is not going to work out with tsc-scaling. The tsc-offset is
applied _after_ the hardware-tsc. Just scaling the offset with the same
factor will not give you the hardware tsc-value you expect.
Joerg
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