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KVM: Allow adjust_tsc_offset to be in host or guest cycles

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Redefine the API to take a parameter indicating whether an
adjustment is in host or guest cycles.

Signed-off-by: Zachary Amsden <zamsden@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Marcelo Tosatti
2012-02-03 15:43:55 -02:00
committed by Avi Kivity
parent 6f526ec538
commit f1e2b26003
4 changed files with 19 additions and 4 deletions
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arch/x86/kvm/x86.c
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@@ -1116,7 +1116,7 @@ static int kvm_guest_time_update(struct kvm_vcpu *v)
if (vcpu->tsc_catchup) {
u64 tsc = compute_guest_tsc(v, kernel_ns);
if (tsc > tsc_timestamp) {
kvm_x86_ops->adjust_tsc_offset(v, tsc - tsc_timestamp);
adjust_tsc_offset_guest(v, tsc - tsc_timestamp);
tsc_timestamp = tsc;
}
}