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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9b4381fee877..e438a1fca554 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1478,7 +1478,7 @@
ima_policy= [IMA]
The builtin policies to load during IMA setup.
- Format: "tcb | appraise_tcb"
+ Format: "tcb | appraise_tcb | secure_boot"
The "tcb" policy measures all programs exec'd, files
mmap'd for exec, and all files opened with the read
@@ -1489,6 +1489,10 @@
all files owned by root. (This is the equivalent
of ima_appraise_tcb.)
+ The "secure_boot" policy appraises the integrity
+ of files (eg. kexec kernel image, kernel modules,
+ firmware, policy, etc) based on file signatures.
+
ima_tcb [IMA] Deprecated. Use ima_policy= instead.
Load a policy which meets the needs of the Trusted
Computing Base. This means IMA will measure all