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由 Hollis Blanchard 提交于
This reduces host CPU usage when the guest is idle. However, the guest must set MSR[WE] in its idle loop, which Linux did not do until 2.6.26. Signed-off-by: NHollis Blanchard <hollisb@us.ibm.com> Signed-off-by: NJerone Young <jyoung5@us.ibm.com> Signed-off-by: NAvi Kivity <avi@qumranet.com>
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