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docs: mention qemu fw_cfg size limitation

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Ludwig Nussel
2022-08-10 14:21:50 +02:00
parent ff86850b30
commit 9c28539a95
1 changed files with 2 additions and 1 deletions
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docs/CREDENTIALS.md
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@@ -266,7 +266,8 @@ services where they are ultimately consumed.
three of these specific switches would set credential `foo` to `bar`.)
Passing credentials via the SMBIOS mechanism is typically preferable over
`fw_cfg` since it is faster and less specific to the chosen VMM
implementation.
implementation. Moreover, `fw_cfg` has a 55 character limitation
on names passed that way. So some settings may not fit.
3. Credentials can also be passed into a system via the kernel command line,
via the `systemd.set-credential=` kernel command line option. Note though