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

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Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
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Cole Robinson 2022-06-11 12:42:34 -04:00
parent aabace2aa5
commit d823f27597
1 changed files with 2 additions and 0 deletions
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docs/kbase/launch_security_sev.rst
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@ -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>