diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/kvm.h | 1 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index d49b16cae27..528a56b1790 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -379,6 +379,7 @@ struct kvm { struct list_head active_mmu_pages; int n_free_mmu_pages; struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; + int nvcpus; struct kvm_vcpu vcpus[KVM_MAX_VCPUS]; int memory_config_version; int busy; diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 55641696254..4e1a017f3db 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2391,6 +2391,11 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n) if (r < 0) goto out_free_vcpus; + spin_lock(&kvm_lock); + if (n >= kvm->nvcpus) + kvm->nvcpus = n + 1; + spin_unlock(&kvm_lock); + return r; out_free_vcpus: |