Re: [PATCH V4 2/4] Utilize the vmx preemption timer

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2016-06-14 5:19 GMT+08:00 Yunhong Jiang <yunhong.jiang@xxxxxxxxxxxxxxx>:
[...]
> +static int vmx_set_hv_timer(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc)
> +{
> +       u64 tscl = rdtsc(), delta_tsc;
> +
> +       delta_tsc = guest_deadline_tsc - kvm_read_l1_tsc(vcpu, tscl);
> +
> +       /* Convert to host delta tsc if tsc scaling is enabled */

If this need to convert to host delta tsc if guest and host tsc rate
are different when w/o tsc scaling?

Regards,
Wanpeng Li
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