From 9c28539a950851055552b0255a73c0fae45dcea5 Mon Sep 17 00:00:00 2001 From: Ludwig Nussel Date: Wed, 10 Aug 2022 14:21:50 +0200 Subject: [PATCH] docs: mention qemu fw_cfg size limitation --- docs/CREDENTIALS.md | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/CREDENTIALS.md b/docs/CREDENTIALS.md index 4ba37844696..f0d9865829f 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 -- 2.47.3