diff options
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/api.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index 62de0768d6aa..48fad6556822 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -5645,7 +5645,8 @@ with the KVM_XEN_VCPU_GET_ATTR ioctl. }; Copies Memory Tagging Extension (MTE) tags to/from guest tag memory. The -``guest_ipa`` and ``length`` fields must be ``PAGE_SIZE`` aligned. The ``addr`` +``guest_ipa`` and ``length`` fields must be ``PAGE_SIZE`` aligned. +``length`` must not be bigger than 2^31 - PAGE_SIZE bytes. The ``addr`` field must point to a buffer which the tags will be copied to or from. ``flags`` specifies the direction of copy, either ``KVM_ARM_TAGS_TO_GUEST`` or |