Merge tag 'kvmarm-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm...

[linux-block.git] / Documentation / virt / kvm / api.rst

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 42403dfe94969a1db2b32389eb4468e0f15488da..e54fdfaa75e2b7048eda3b746bb60ef3958c0d4b 100644 (file)
--- 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