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-rw-r--r--Documentation/kernel-parameters.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2089c051f23f..512a35929f94 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1470,6 +1470,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
no_hwp
Do not enable hardware P state control (HWP)
if available.
+ hwp_only
+ Only load intel_pstate on systems which support
+ hardware P state control (HWP) if available.
intremap= [X86-64, Intel-IOMMU]
on enable Interrupt Remapping (default)