[v1 PATCH 2/2] Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation
From: Prakhar Srivastava <hidden>
Date: 2020-06-07 23:33:38
Also in:
linux-arm-kernel, linux-devicetree, linux-integrity, linux-security-module, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation Signed-off-by: Prakhar Srivastava <redacted> --- Documentation/devicetree/bindings/chosen.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/chosen.txt b/Documentation/devicetree/bindings/chosen.txt
index 45e79172a646..a15f70c007ef 100644
--- a/Documentation/devicetree/bindings/chosen.txt
+++ b/Documentation/devicetree/bindings/chosen.txt@@ -135,3 +135,20 @@ e.g. linux,initrd-end = <0x82800000>; }; }; + +linux,ima-kexec-buffer +---------------------- + +This property(currently used by powerpc, arm64) holds the memory range, +the address and the size, of the IMA measurement logs that are being carried +over to the kexec session. + +/ { + chosen { + linux,ima-kexec-buffer = <0x9 0x82000000 0x0 0x00008000>; + }; +}; + +This porperty does not represent real hardware, but the memory allocated for +carrying the IMA measurement logs. The address and the suze are expressed in +#address-cells and #size-cells, respectively of the root node.
--
2.25.1