* [PATCH v2] docs/specs/tpm: Clarify command line parameters for network migration
@ 2021-10-14 3:27 Stefan Berger
2021-10-14 11:46 ` David Edmondson
0 siblings, 1 reply; 2+ messages in thread
From: Stefan Berger @ 2021-10-14 3:27 UTC (permalink / raw)
To: qemu-devel, qemu-trivial, marcandre.lureau; +Cc: Stefan Berger
Clarify the command line parameters for swtpm migration across the network
for the case of shared storage and non-shared storage.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
docs/specs/tpm.rst | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/docs/specs/tpm.rst b/docs/specs/tpm.rst
index 3be190343a..956f2c13dc 100644
--- a/docs/specs/tpm.rst
+++ b/docs/specs/tpm.rst
@@ -482,7 +482,8 @@ VM migration across the network:
- QEMU command line parameters should be identical apart from the
'-incoming' option on the destination side
- - swtpm command line parameters should be identical
+ - swtpm command line parameters can be identical if storage is not
+ shared and should be different for shared storage
VM Snapshotting:
- QEMU command line parameters should be identical
--
2.31.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2] docs/specs/tpm: Clarify command line parameters for network migration
2021-10-14 3:27 [PATCH v2] docs/specs/tpm: Clarify command line parameters for network migration Stefan Berger
@ 2021-10-14 11:46 ` David Edmondson
0 siblings, 0 replies; 2+ messages in thread
From: David Edmondson @ 2021-10-14 11:46 UTC (permalink / raw)
To: qemu-devel
On Wednesday, 2021-10-13 at 23:27:00 -04, Stefan Berger wrote:
> Clarify the command line parameters for swtpm migration across the network
> for the case of shared storage and non-shared storage.
>
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> ---
> docs/specs/tpm.rst | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/docs/specs/tpm.rst b/docs/specs/tpm.rst
> index 3be190343a..956f2c13dc 100644
> --- a/docs/specs/tpm.rst
> +++ b/docs/specs/tpm.rst
> @@ -482,7 +482,8 @@ VM migration across the network:
> - QEMU command line parameters should be identical apart from the
> '-incoming' option on the destination side
>
> - - swtpm command line parameters should be identical
> + - swtpm command line parameters can be identical if storage is not
> + shared and should be different for shared storage
I would interpret this as relating to the storage of the VM (virtual
disk devices), but you are referring to the storage used by swtpm,
presumably.
How about:
- typically, swtpm command line parameters should be different if the
vTPM state directory is on shared storage, and should be the same if
the vTPM state directory is not shared.
>
> VM Snapshotting:
> - QEMU command line parameters should be identical
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