Date:   Thu, 16 Feb 2023 16:22:59 +0000
From:   Mark Brown <broonie@kernel.org>
To:     Kristina Martsenko <kristina.martsenko@arm.com>
Cc:     linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>,
        Oliver Upton <oliver.upton@linux.dev>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Zenghui Yu <yuzenghui@huawei.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Luis Machado <luis.machado@arm.com>,
        Vladimir Murzin <vladimir.murzin@arm.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 09/10] arm64: mops: detect and enable FEAT_MOPS
Message-ID: <Y+5YY7RtNYZKTiNn@sirena.org.uk>
References: <20230216160012.272345-1-kristina.martsenko@arm.com>
 <20230216160012.272345-10-kristina.martsenko@arm.com>
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On Thu, Feb 16, 2023 at 04:00:11PM +0000, Kristina Martsenko wrote:

> The Arm v8.8/9.3 FEAT_MOPS feature provides new instructions that
> perform a memory copy or set. Wire up the cpufeature code to detect the
> presence of FEAT_MOPS and enable it.
>=20
> Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
> ---
>  Documentation/arm64/cpu-feature-registers.rst |  2 ++
>  Documentation/arm64/elf_hwcaps.rst            |  3 +++
>  arch/arm64/include/asm/hwcap.h                |  1 +
>  arch/arm64/include/uapi/asm/hwcap.h           |  1 +
>  arch/arm64/kernel/cpufeature.c                | 19 +++++++++++++++++++
>  arch/arm64/kernel/cpuinfo.c                   |  1 +
>  arch/arm64/tools/cpucaps                      |  1 +
>  7 files changed, 28 insertions(+)

Please also add this to the hwcaps selftest.

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