linux-kernel - Re: [PATCH v4 0/3] riscv: Add bfloat16 instruction support

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Message-ID: <e72db46d-53b2-47f6-814f-9653d783e745@ghiti.fr>
Date: Tue, 11 Mar 2025 14:20:21 +0100
From: Alexandre Ghiti <alex@...ti.fr>
To: Inochi Amaoto <inochiama@...il.com>, Jonathan Corbet <corbet@....net>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Clément Léger
 <cleger@...osinc.com>, Charlie Jenkins <charlie@...osinc.com>,
 Evan Green <evan@...osinc.com>, Andrew Jones <ajones@...tanamicro.com>,
 Jesse Taube <jesse@...osinc.com>, Andy Chiu <andybnac@...il.com>,
 Alexandre Ghiti <alexghiti@...osinc.com>,
 Yong-Xuan Wang <yongxuan.wang@...ive.com>,
 Yu Chien Peter Lin <peterlin@...estech.com>,
 Samuel Holland <samuel.holland@...ive.com>
Cc: linux-doc@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 Yixun Lan <dlan@...too.org>, Longbin Li <looong.bin@...il.com>
Subject: Re: [PATCH v4 0/3] riscv: Add bfloat16 instruction support

Hi Inochi,

On 11/03/2025 13:34, Inochi Amaoto wrote:
> On Thu, Feb 13, 2025 at 08:38:44AM +0800, Inochi Amaoto wrote:
>> Add description for the BFloat16 precision Floating-Point ISA extension,
>> (Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62
>> ("Added Chapter title to BF16") of the riscv-isa-manual.
>>
>> Changed from v3:
>> 1. rebase for v6.14-rc1
>> 2. patch2: add validate for zfbfmin, zvfbfmin, zvfbfwma
>> 3. patch2: apply Clément's tag
>>
>> Changed from v2:
>> 1. rebase for v6.13-rc1
>>
>> Changed from v1:
>> 1. patch3: add missing code in sys_hwprobe.c
>>
>> Inochi Amaoto (3):
>>    dt-bindings: riscv: add bfloat16 ISA extension description
>>    riscv: add ISA extension parsing for bfloat16 ISA extension
>>    riscv: hwprobe: export bfloat16 ISA extension
>>
>>   Documentation/arch/riscv/hwprobe.rst          | 12 +++++
>>   .../devicetree/bindings/riscv/extensions.yaml | 45 +++++++++++++++++++
>>   arch/riscv/include/asm/hwcap.h                |  3 ++
>>   arch/riscv/include/uapi/asm/hwprobe.h         |  3 ++
>>   arch/riscv/kernel/cpufeature.c                | 35 +++++++++++++++
>>   arch/riscv/kernel/sys_hwprobe.c               |  3 ++
>>   6 files changed, 101 insertions(+)
>>
>> --
>> 2.48.1
>>
> I wonder whether this patch could get merged? So I can
> submit the SG2044 board dts without this as dependency.

It is on my list for for-next so it *should* be merged in 6.15.

Thanks,

Alex

>
> Regards,
> Inochi
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

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