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[doc] ivshmem_libvirt: Reformat module warning

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This commit is contained in:
Jonathan Rubenstein
2026-11-05 09:22:30 +02:00
committed by Geoffrey McRae
parent 98a4ca37a2
commit 337b830df3
1 changed files with 11 additions and 7 deletions
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18
doc/ivshmem_kvmfr.rst
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@@ -101,17 +101,21 @@ You should now also have the character device ``/dev/kvmfr0``
.. warning::
If you start the VM prior to loading the module, QEMU will create the file
``/dev/kvmfr0`` as a regular file. You can confirm if this has happened by
running ``ls -l /dev/kvmfr0`` and checking if the file size is greater than
zero, or the permissions do not start with ``c``. If this has occurred, you
must stop the VM before deleting the regular file. Load the KVMFR module,
confirm that it recreated ``/dev/kvmfr0`` as a character device whose
permissions start with ``c``, then start the VM again.
``/dev/kvmfr0`` as a regular file rather than as a character device. You can
see if this has happened by running ``ls -l /dev/kvmfr0`` and checking if the
file size is greater than zero, or the permissions do not start with ``c``.
If this has occurred:
1. stop the VM
2. delete ``/dev/kvmfr0``
3. load the KVMFR module
4. confirm that ``/dev/kvmfr0`` is character device
5. start the VM again
.. _ivhsmem_kvmfr_permissions:
Permissions
~~~~~~~~~~~
-----------
The module will create the ``/dev/kvmfr0`` node, which represents the KVMFR
interface. To use the interface, you need permission to access it by either