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@xxxxxxxxxx>
Signed-off-by: Max Hsu <max.hsu@xxxxxxxxxx>
---
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@xxxxxxxxxxxx>
