linux-kernel - Re: [PATCH v3 06/20] riscv: add ISA extension parsing for vector crypto

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Date:   Thu, 9 Nov 2023 07:44:46 +0000
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     <20231107105556.517187-7-cleger@...osinc.com>
CC:     Clément Léger <cleger@...osinc.com>,
        <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jonathan Corbet <corbet@....net>,
        Andrew Jones <ajones@...tanamicro.com>,
        Evan Green <evan@...osinc.com>,
        Conor Dooley <conor@...nel.org>,
        Samuel Ortiz <sameo@...osinc.com>
Subject: Re: [PATCH v3 06/20] riscv: add ISA extension parsing for vector
 crypto

On Thu, Nov 09, 2023 at 10:58:41AM +0800, Jerry Shih wrote:
> On Nov 7, 2023, at 18:55, Clément Léger <cleger@...osinc.com> wrote:
> > +static const unsigned int riscv_zvknhb_exts[] = {
> > +	RISCV_ISA_EXT_ZVKNHA
> > +};
> > +
> 
> > +	__RISCV_ISA_EXT_SUPERSET(zvknhb, RISCV_ISA_EXT_ZVKNHB, riscv_zvknhb_exts),
> > +	__RISCV_ISA_EXT_BUNDLE(zvks, riscv_zvks_bundled_exts),
> 
> The Zvknha and Zvknhb are exclusive. It's not the superset relationship.
> 
> Please check:
> https://github.com/riscv/riscv-crypto/issues/364#issuecomment-1726782096

You got a response to this on the previous version, but didn't engage
with it:
https://lore.kernel.org/all/c64d9ddb-edbd-4c8f-b56f-1b90d82100b7@rivosinc.com/#t

Cheers,
Conor.

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