diff mbox series

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

Message ID 20240920-dev-maxh-svukte-rebase-v1-1-7864a88a62bd@sifive.com
State Needs Review / ACK
Headers show
Series riscv: add Svukte extension | expand

Checks

Context Check Description
robh/checkpatch success
robh/patch-applied success
robh/dtbs-check warning build log
robh/dt-meta-schema success

Commit Message

Max Hsu Sept. 20, 2024, 7:39 a.m. UTC 
Add an entry for the Svukte extension to the riscv,isa-extensions
property.

Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Max Hsu <max.hsu@sifive.com>
---
 Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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.
+
         - const: zacas
           description: |
             The Zacas extension for Atomic Compare-and-Swap (CAS) instructions