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

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Message-ID: <eb8f399b-fa09-47fd-8102-9b65b0839dd5@ghiti.fr>
Date: Wed, 13 Nov 2024 17:15:20 +0100
From: Alexandre Ghiti <alex@...ti.fr>
To: Max Hsu <max.hsu@...ive.com>, Conor Dooley <conor@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Anup Patel <anup@...infault.org>, Atish Patra <atishp@...shpatra.org>
Cc: Palmer Dabbelt <palmer@...ive.com>, linux-riscv@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org,
 Samuel Holland <samuel.holland@...ive.com>
Subject: Re: [PATCH RFC 1/3] dt-bindings: riscv: Add Svukte entry

Hi Max,

On 20/09/2024 09:39, Max Hsu wrote:
> Add an entry for the Svukte extension to the riscv,isa-extensions
> property.
>
> Reviewed-by: Samuel Holland <samuel.holland@...ive.com>
> Signed-off-by: Max Hsu <max.hsu@...ive.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


s/extensions/extension


> +            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
>

You'll need a new version for the proper commit sha1 once it gets 
ratified anyway, so with the typo fixed, you can add:

Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>

Thanks,

Alex