diff mbox series

[RFC,v2,1/3] dt-bindings: riscv: Add Svukte entry

Message ID 20240927-dev-maxh-svukte-rebase-2-v2-1-9afe57c33aee@sifive.com
State New
Headers show
Series riscv: add Svukte extension | expand

Commit Message

Max Hsu Sept. 27, 2024, 1:41 p.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 | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Deepak Gupta Sept. 30, 2024, 5:04 p.m. UTC | #1 
On Fri, Sep 27, 2024 at 09:41:43PM +0800, Max Hsu wrote:
>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 | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
>diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
>index 2cf2026cff574d39793157418a4d4211df87315f..9f730e3aaae949debc18396183b989b504dcb899 100644
>--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
>+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
>@@ -171,6 +171,15 @@ 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. Currently under review as Pull
>+            Request number 1564 at commit 81dc9277 ("Svukte v0.3") of
>+            riscv-isa-manual.

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

>+
>         - const: svvptc
>           description:
>             The standard Svvptc supervisor-level extension for
>
>-- 
>2.43.2
>
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 2cf2026cff574d39793157418a4d4211df87315f..9f730e3aaae949debc18396183b989b504dcb899 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -171,6 +171,15 @@  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. Currently under review as Pull
+            Request number 1564 at commit 81dc9277 ("Svukte v0.3") of
+            riscv-isa-manual.
+
         - const: svvptc
           description:
             The standard Svvptc supervisor-level extension for