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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt12
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diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f628cd8d0e9f..0c404cda531a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4216,11 +4216,23 @@
per thread. The mitigation control state
is inherited on fork.
+ prctl,ibpb
+ - Like "prctl" above, but only STIBP is
+ controlled per thread. IBPB is issued
+ always when switching between different user
+ space processes.
+
seccomp
- Same as "prctl" above, but all seccomp
threads will enable the mitigation unless
they explicitly opt out.
+ seccomp,ibpb
+ - Like "seccomp" above, but only STIBP is
+ controlled per thread. IBPB is issued
+ always when switching between different
+ user space processes.
+
auto - Kernel selects the mitigation depending on
the available CPU features and vulnerability.