diff options
Diffstat (limited to 'arch/arm64/kvm/guest.c')
| -rw-r--r-- | arch/arm64/kvm/guest.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 11098eb7eb44..962f985977c2 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -1045,6 +1045,11 @@ int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, mutex_lock(&kvm->slots_lock); + if (write && atomic_read(&kvm->nr_memslots_dirty_logging)) { + ret = -EBUSY; + goto out; + } + while (length > 0) { kvm_pfn_t pfn = gfn_to_pfn_prot(kvm, gfn, write, NULL); void *maddr; @@ -1059,6 +1064,7 @@ int kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm, page = pfn_to_online_page(pfn); if (!page) { /* Reject ZONE_DEVICE memory */ + kvm_release_pfn_clean(pfn); ret = -EFAULT; goto out; } |