linux-kernel - Re: [PATCH] arm64/elf_hwcap: Add new flags for BFloat-16 extension

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Message-ID: <7730f07d-8560-d354-875b-ee49bc000e64@arm.com>
Date:   Fri, 13 Dec 2019 14:16:18 +0000
From:   Suzuki Kuruppassery Poulose <suzuki.poulose@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/elf_hwcap: Add new flags for BFloat-16 extension

On 12/12/2019 10:07, Anshuman Khandual wrote:
> Expose the availability of the BFloat16 (BF16) format support in the CPUs.
> BF16 is a new 16-bit floating point format different from the half
> precision format defined by the IEEE-754-2008.
> 
> BF16 extensions add support for new instructions for both FP/SIMD and SVE.
> Advertise these features individually to the userspace via ELF HWCAP.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Suzuki K Poulose <suzuki.poulose@....com>
> Cc: linux-doc@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>


Looks good to me.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>