target/s390x: interpret PSW_MASK_WAIT only for TCG
KVM handles the wait PSW itself and triggers a WAIT ICPT in case it really wants to sleep (disabled wait). This will later allow us to change the order of loading a restart interrupt and setting a CPU to OPERATING on SIGP RESTART without changing KVM behavior. Signed-off-by: NDavid Hildenbrand <david@redhat.com> Message-Id: <20170928203708.9376-11-david@redhat.com> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Signed-off-by: NCornelia Huck <cohuck@redhat.com>
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