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-rw-r--r--Documentation/x86/boot.rst9
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/x86/boot.rst b/Documentation/x86/boot.rst
index c60fafda9427..6cdd767c3835 100644
--- a/Documentation/x86/boot.rst
+++ b/Documentation/x86/boot.rst
@@ -73,7 +73,7 @@ Protocol 2.14: BURNT BY INCORRECT COMMIT ae7e1238e68f2a472a125673ab506d49158c188
(x86/boot: Add ACPI RSDP address to setup_header)
DO NOT USE!!! ASSUME SAME AS 2.13.
-Protocol 2.15: (Kernel 5.5) Added the kernel_info.
+Protocol 2.15: (Kernel 5.5) Added the kernel_info and kernel_info.setup_type_max.
============= ============================================================
.. note::
@@ -981,6 +981,13 @@ Offset/size: 0x0008/4
This field contains the size of the kernel_info including kernel_info.header
and kernel_info.kernel_info_var_len_data.
+============ ==============
+Field name: setup_type_max
+Offset/size: 0x000c/4
+============ ==============
+
+ This field contains maximal allowed type for setup_data.
+
The Image Checksum
==================