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s390x/kvm: SIGP START is only applicable when STOPPED

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In preparation for other CPU states, SIGP START will only start a VCPU if it is
in the STOPPED state.

Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <1424783731-43426-8-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand 2015-02-24 14:15:28 +01:00 committed by Christian Borntraeger
parent 18ff949474
commit 4f2b55d184
1 changed files with 5 additions and 0 deletions
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5
target-s390x/kvm.c
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@ -1130,6 +1130,11 @@ static void sigp_start(void *arg)
{
SigpInfo *si = arg;
if (s390_cpu_get_state(si->cpu) != CPU_STATE_STOPPED) {
si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
return;
}
s390_cpu_set_state(CPU_STATE_OPERATING, si->cpu);
si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
}