linux-kernel - Re: [PATCH 3/9] dt-bindings: riscv: add Zam ISA extension description

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Message-ID: <2412b8e4-ad26-46de-af45-ad9f37a1ea7f@rivosinc.com>
Date: Fri, 15 Dec 2023 09:26:47 +0100
From: Clément Léger <cleger@...osinc.com>
To: Conor Dooley <conor@...nel.org>
Cc: linux-doc@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 Jonathan Corbet <corbet@....net>, Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Robbin Ehn <rehn@...osinc.com>
Subject: Re: [PATCH 3/9] dt-bindings: riscv: add Zam ISA extension description



On 14/12/2023 15:11, Conor Dooley wrote:
> On Wed, Dec 13, 2023 at 12:32:59PM +0100, Clément Léger wrote:
>> Add description for the Zam ISA extension.
>>
>> Signed-off-by: Clément Léger <cleger@...osinc.com>
>> ---
>>  Documentation/devicetree/bindings/riscv/extensions.yaml | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
>> index 3574a0b70be4..912cc6a42eb4 100644
>> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
>> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
>> @@ -171,6 +171,11 @@ properties:
>>              memory types as ratified in the 20191213 version of the privileged
>>              ISA specification.
>>  
>> +        - const: zam
>> +          description: |
>> +            The standard Zam extension for misaligned atomics is supported as
>> +            ratified in version 20191213 of the riscv-isa-manual.
> 
> Is "20191213" an actual tag in that repo? Looking at that version of the
> spec (because it is a spec version, but I don't think it is a valid
> reference to that repo) Zam is listed as Draft. In fact, in the most
> recent thing I could find, Zam was still listed as draft.

Whoops, my bad, I assumed that the chapter being present in the spec
meant it was ratified and I did not checked the listing stating it is
still in draft.

Will remove that from the next version.

Thanks,

Clément

> 
> Are you sure this is ratified?