diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/diag.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 609c55df3ce8..3fb54ec2cf3e 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -168,6 +168,10 @@ static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) if (!tcpu) goto no_yield; + /* target already running */ + if (READ_ONCE(tcpu->cpu) >= 0) + goto no_yield; + if (kvm_vcpu_yield_to(tcpu) <= 0) goto no_yield; |