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由 Fan Zhang 提交于
Introduce run-time-instrumentation support when running under kvm for virtio-ccw 2.7 machine and make sure older machines can not enable it. The new ri_allowed field in the s390MachineClass serves as an indicator whether the feature can be used by the machine and should therefore be activated if available. riccb_needed() is used to check whether riccb is needed or not in live migration. Signed-off-by: NFan Zhang <zhangfan@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
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