docs: kbase/launch_security_sev: QEMU 6.0+ sets iommu=on for us

Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>

diff --git a/docs/kbase/launch_security_sev.rst b/docs/kbase/launch_security_sev.rst
index 3ebb01ad8028fe756824248f15ff1c48134f34a7..51b3e14dbfe6e929ffbb60cc766ef23827593866 100644 (file)
--- a/docs/kbase/launch_security_sev.rst
+++ b/docs/kbase/launch_security_sev.rst
@@ -295,6 +295,8 @@ In order to make virtio devices work, we need to use
 ``<driver iommu='on'/>`` inside the given device XML element in order
 to enable DMA API in the virtio driver.
 
+Starting with QEMU 6.0.0 QEMU will set this for us by default. For earlier versions though, you will need to explicitly enable this in the device XML as follows:
+
 ::
 
    # virsh edit <domain>