From: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> sca_add_vpcu is not called for ucontrol guests. We must also not apply the sca checking for sca_can_add_vcpu as ucontrol guests do not have to follow the sca limits. As common code already checks that id < KVM_MAX_VCPUS all other data structures are safe as well. Signed-off-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- arch/s390/kvm/kvm-s390.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index d9d71bb..539d385 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1588,7 +1588,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, struct sie_page *sie_page; int rc = -EINVAL; - if (!sca_can_add_vcpu(kvm, id)) + if (!kvm_is_ucontrol(kvm) && !sca_can_add_vcpu(kvm, id)) goto out; rc = -ENOMEM; -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
