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authorLudwig Nussel <ludwig.nussel@suse.de>2022-08-10 14:21:50 +0200
committerLudwig Nussel <ludwig.nussel@suse.de>2022-08-11 13:32:55 +0200
commit9c28539a950851055552b0255a73c0fae45dcea5 (patch)
treefdef8eef7cec47ccd7900b1c52a61bb45f645f3b /docs/CREDENTIALS.md
parentff86850b304f635297829c7d12208b96c10fa48f (diff)
downloadsystemd-9c28539a950851055552b0255a73c0fae45dcea5.tar.gz
docs: mention qemu fw_cfg size limitation
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1 files changed, 2 insertions, 1 deletions
diff --git a/docs/CREDENTIALS.md b/docs/CREDENTIALS.md
index 4ba3784469..f0d9865829 100644
--- a/docs/CREDENTIALS.md
+++ b/docs/CREDENTIALS.md
@@ -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