From: Wei Xu <xuwei5@hisilicon.com>
To: Zeng Heng <zengheng@huaweicloud.com>, <vladimir.murzin@arm.com>,
<xuwei5@huawei.com>, <wangyushan12@huawei.com>,
<yangyicong@hisilicon.com>, <maz@kernel.org>,
<yeoreum.yun@arm.com>, <miko.lenczewski@arm.com>,
<james.clark@linaro.org>, <corbet@lwn.net>,
<skhan@linuxfoundation.org>, <kuninori.morimoto.gx@renesas.com>,
<lucaswei@google.com>, <catalin.marinas@arm.com>,
<broonie@kernel.org>, <lpieralisi@kernel.org>, <thuth@redhat.com>,
<kevin.brodsky@arm.com>, <tongtiangen@huawei.com>,
<oupton@kernel.org>, <ryan.roberts@arm.com>,
<mark.rutland@arm.com>, <will@kernel.org>,
<Sascha.Bischoff@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<wangkefeng.wang@huawei.com>, <linux-doc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <xuwei5@hisilicon.com>
Subject: Re: [PATCH v3 0/2] arm64: cpufeature: Add WORKAROUND_DISABLE_CNP capability
Date: Tue, 2 Jun 2026 19:54:47 +0800 [thread overview]
Message-ID: <6A1EC487.9070702@hisilicon.com> (raw)
In-Reply-To: <20260601112000.1145391-1-zengheng@huaweicloud.com>
Hi Zeng Heng,
On 2026/6/1 19:19, Zeng Heng wrote:
> From: Zeng Heng <zengheng4@huawei.com>
>
> v2: https://lore.kernel.org/all/20260529063132.766491-1-zengheng@huaweicloud.com/
> v1: https://lore.kernel.org/all/20260526015720.206854-1-zengheng@huaweicloud.com/
>
> Changes in v3:
> - Keep CONFIG_ARM64_WORKAROUND_DISABLE_CNP config and generalise
> ARM64_WORKAROUND_DISABLE_CNP capability.
>
> Changes in v2:
> - Unify CNP disable workaround into ARM64_WORKAROUND_DISABLE_CNP
>
> Zeng Heng (2):
> arm64: cpufeature: Add WORKAROUND_DISABLE_CNP capability
> arm64: kernel: Disable CNP on HiSilicon HIP09
>
> Documentation/arch/arm64/silicon-errata.rst | 2 ++
> arch/arm64/Kconfig | 20 ++++++++++++++++++++
> arch/arm64/include/asm/cpucaps.h | 4 ++--
> arch/arm64/kernel/cpu_errata.c | 17 ++++++++++++-----
> arch/arm64/kernel/cpufeature.c | 2 +-
> arch/arm64/tools/cpucaps | 2 +-
> 6 files changed, 38 insertions(+), 9 deletions(-)
>
> --
> 2.43.0
>
> .
>
Thanks, all looks good to me and tested with the 7.1.0-rc1 kernel.
Acked-by: Wei Xu <xuwei5@hisilicon.com>
Tested-by: Wei Xu <xuwei5@hisilicon.com>
Best Regards,
Wei
prev parent reply other threads:[~2026-06-02 11:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 11:19 [PATCH v3 0/2] arm64: cpufeature: Add WORKAROUND_DISABLE_CNP capability Zeng Heng
2026-06-01 11:19 ` [PATCH v3 1/2] " Zeng Heng
2026-06-02 9:23 ` Vladimir Murzin
2026-06-01 11:20 ` [PATCH v3 2/2] arm64: kernel: Disable CNP on HiSilicon HIP09 Zeng Heng
2026-06-02 9:24 ` Vladimir Murzin
2026-06-02 15:53 ` Will Deacon
2026-06-02 9:28 ` [PATCH v3 0/2] arm64: cpufeature: Add WORKAROUND_DISABLE_CNP capability Vladimir Murzin
2026-06-02 11:54 ` Wei Xu [this message]
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