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

[Deepak Gupta]

On Fri, Sep 20, 2024 at 03:39:03PM +0800, Max Hsu wrote:
>Add an entry for the Svukte extension to the riscv,isa-extensions
>property.
>
>Reviewed-by: Samuel Holland <samuel.holland at sifive.com>
>Signed-off-by: Max Hsu <max.hsu at sifive.com>
>---
> Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
> 1 file changed, 7 insertions(+)
>
>diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
>index a06dbc6b4928958704855c8993291b036e3d1a63..df96aea5e53a70b0cb8905332464a42a264e56e6 100644
>--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
>+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
>@@ -171,6 +171,13 @@ properties:
>             memory types as ratified in the 20191213 version of the privileged
>             ISA specification.
>
>+        - const: svukte
>+          description:
>+            The standard Svukte supervisor-level extensions 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, as PR#1564 of riscv-isa-manual.
>+


Reviewed-by: Deepak Gupta <debug at rivosinc.com>
>
>