From: David Hildenbrand <da...@redhat.com>
Interrupts can't wake such CPUs up. SIGP from other CPUs has to be used
to toggle the state.
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: David Hildenbrand <da...@redhat.com>
Message-Id: <20170928203708.9376-7-da...@redhat.com>
Signed-off-by: Cornelia Huck <coh...@redhat.com>
---
target/s390x/cpu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index b0517475fa..a21d5519c1 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -57,6 +57,12 @@ static bool s390_cpu_has_work(CPUState *cs)
{
S390CPU *cpu = S390_CPU(cs);
+ /* STOPPED cpus can never wake up */
+ if (s390_cpu_get_state(cpu) != CPU_STATE_LOAD &&
+ s390_cpu_get_state(cpu) != CPU_STATE_OPERATING) {
+ return false;
+ }
+
if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
return false;
}
--
2.13.6
