linux-kernel - Re: [RFC PATCH 2/7] dt-bindings: riscv: add Ssdbltrp ISA extension description

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Date: Wed, 24 Apr 2024 09:20:35 +0200
From: Clément Léger <cleger@...osinc.com>
To: Conor Dooley <conor@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.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>,
 linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
 kvm-riscv@...ts.infradead.org, Ved Shanbhogue <ved@...osinc.com>
Subject: Re: [RFC PATCH 2/7] dt-bindings: riscv: add Ssdbltrp ISA extension
 description



On 23/04/2024 18:30, Conor Dooley wrote:
> On Thu, Apr 18, 2024 at 04:26:41PM +0200, Clément Léger wrote:
>> Add description for the Ssdbltrp ISA extension which is not yet
>> ratified.
>>
>> Signed-off-by: Clément Léger <cleger@...osinc.com>
>> ---
>>  Documentation/devicetree/bindings/riscv/extensions.yaml | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
>> index 63d81dc895e5..ce7021dbb556 100644
>> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
>> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
>> @@ -147,6 +147,12 @@ properties:
>>              and mode-based filtering as ratified at commit 01d1df0 ("Add ability
>>              to manually trigger workflow. (#2)") of riscv-count-overflow.
>>  
>> +        - const: ssdbltrp
>> +          description: |
>> +            The standard Ssdbltrp supervisor-level extension for double trap
>> +            handling as currently defined by commit e85847b ("Merge pull request
>> +            #32 from ved-rivos/0415_1 ") of riscv-double-trap.
> 
> I see the proposed ratification for this is Sept 2024, and is marked as
> "Freeze Approved". Do you know when it is going to be frozen? Until
> this, I can't ack this patch. I had a look in the RVI JIRA
> https://jira.riscv.org/browse/RVS-2291?src=confmacro
> and it looks imminent, but it's unclear to me whether it actually has
> been or not.

Hi Conor,

Yeah, this series is a RFC since the spec is not yet ratified nor frozen
and its purpose is actually to get to a frozen state. As to when this
will be ratified, I guess Ved can probably answer that.

Clément

> 
>> +
>>          - const: sstc
>>            description: |
>>              The standard Sstc supervisor-level extension for time compare as
>> -- 
>> 2.43.0
>>