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    SubjectRE: [kvm-devel] [PATCH 2/3] kvmclock - the host part.
    Date
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    > +static void kvm_write_guest_time(struct kvm_vcpu *vcpu) +{
    > + struct timespec ts;
    > + int r;
    > +
    > + if (!vcpu->clock_gpa)
    > + return;
    > +
    > + /* Updates version to the next odd number, indicating
    > we're writing */
    > + vcpu->hv_clock.version++;
    > + kvm_write_guest(vcpu->kvm, vcpu->clock_gpa,
    > &vcpu->hv_clock, PAGE_SIZE);
    > +
    > + kvm_get_msr(vcpu, MSR_IA32_TIME_STAMP_COUNTER,
    > + &vcpu->hv_clock.last_tsc);
    > +
    > + ktime_get_ts(&ts);

    Do we need to disable preemption here?

    > + vcpu->hv_clock.now_ns = ts.tv_nsec + (NSEC_PER_SEC *
    > (u64)ts.tv_sec); + vcpu->hv_clock.wc_sec = get_seconds();
    > + vcpu->hv_clock.version++;
    > + kvm_write_guest(vcpu->kvm, vcpu->clock_gpa,
    > &vcpu->hv_clock, PAGE_SIZE);
    > +}
    > +
    thx,eddie
    -
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