[PATCH RFC v4 1/3] dt-bindings: riscv: Add Svukte entry

From: Max Hsu
Date: Fri Dec 13 2024 - 06:34:59 EST


Add an entry for the Svukte extension to the riscv,isa-extensions
property.

Reviewed-by: Samuel Holland <samuel.holland@xxxxxxxxxx>
Reviewed-by: Deepak Gupta <debug@xxxxxxxxxxxx>
Reviewed-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
Signed-off-by: Max Hsu <max.hsu@xxxxxxxxxx>
---
Documentation/devicetree/bindings/riscv/extensions.yaml | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 9c7dd7e75e0ca35f76eb666cdacfc297a7570958..b5d90765a376e065797ffdddf35302ed51ca7df1 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -217,6 +217,15 @@ properties:
memory types as ratified in the 20191213 version of the privileged
ISA specification.

+ - const: svukte
+ description:
+ The standard Svukte supervisor-level extension for making user-mode
+ accesses to supervisor memory raise page faults in constant time,
+ mitigating attacks that attempt to discover the supervisor
+ software's address-space layout. Currently under review as Pull
+ Request number 1564 at commit 932cfa4 ("Move senvcfg.UKTE to correct
+ position") of riscv-isa-manual.
+
- const: svvptc
description:
The standard Svvptc supervisor-level extension for

--
2.43.2