Commit 241e3ec0 authored by Christian Borntraeger's avatar Christian Borntraeger

KVM: s390: use created_vcpus in more places

commit a03825bb ("KVM: s390: use kvm->created_vcpus") introduced
kvm->created_vcpus to avoid races with the existing kvm->online_vcpus
scheme. One place was "forgotten" and one new place was "added".
Let's fix those.
Reported-by: default avatarHalil Pasic <pasic@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarHalil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: default avatarCornelia Huck <cohuck@redhat.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Fixes: 4e0b1ab7 ("KVM: s390: gs support for kvm guests")
Fixes: a03825bb ("KVM: s390: use kvm->created_vcpus")
parent 96965941
......@@ -573,7 +573,7 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
case KVM_CAP_S390_GS:
r = -EINVAL;
mutex_lock(&kvm->lock);
if (atomic_read(&kvm->online_vcpus)) {
if (kvm->created_vcpus) {
r = -EBUSY;
} else if (test_facility(133)) {
set_kvm_facility(kvm->arch.model.fac_mask, 133);
......@@ -1094,7 +1094,7 @@ static int kvm_s390_set_processor_feat(struct kvm *kvm,
return -EINVAL;
mutex_lock(&kvm->lock);
if (!atomic_read(&kvm->online_vcpus)) {
if (!kvm->created_vcpus) {
bitmap_copy(kvm->arch.cpu_feat, (unsigned long *) data.feat,
KVM_S390_VM_CPU_FEAT_NR_BITS);
ret = 0;
......
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