diff options
| -rw-r--r-- | include/linux/kvm_host.h | 2 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6a164f9..b3ca77a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -390,7 +390,7 @@ struct kvm { spinlock_t mmu_lock; struct mutex slots_lock; struct mm_struct *mm; /* userspace tied to this vm */ - struct kvm_memslots *memslots[KVM_ADDRESS_SPACE_NUM]; + struct kvm_memslots __rcu *memslots[KVM_ADDRESS_SPACE_NUM]; struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; /* diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index d76e822..6e6d4ed 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -707,7 +707,8 @@ out_err_no_disable: for (i = 0; i < KVM_NR_BUSES; i++) kfree(rcu_access_pointer(kvm->buses[i])); for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) - kvm_free_memslots(kvm, kvm->memslots[i]); + kvm_free_memslots(kvm, + rcu_dereference_protected(kvm->memslots[i], 1)); kvm_arch_free_vm(kvm); mmdrop(current->mm); return ERR_PTR(r); @@ -756,7 +757,8 @@ static void kvm_destroy_vm(struct kvm *kvm) kvm_arch_destroy_vm(kvm); kvm_destroy_devices(kvm); for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) - kvm_free_memslots(kvm, kvm->memslots[i]); + kvm_free_memslots(kvm, + rcu_dereference_protected(kvm->memslots[i], 1)); cleanup_srcu_struct(&kvm->irq_srcu); cleanup_srcu_struct(&kvm->srcu); kvm_arch_free_vm(kvm); |
