s390x/tcg: STOPPED cpus can never wake up
Interrupts can't wake such CPUs up. SIGP from other CPUs has to be used to toggle the state. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20170928203708.9376-7-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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@ -57,6 +57,12 @@ static bool s390_cpu_has_work(CPUState *cs)
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{
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S390CPU *cpu = S390_CPU(cs);
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/* STOPPED cpus can never wake up */
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if (s390_cpu_get_state(cpu) != CPU_STATE_LOAD &&
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s390_cpu_get_state(cpu) != CPU_STATE_OPERATING) {
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return false;
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}
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if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
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return false;
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}
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