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From: Catalin Marinas <catalin.marinas@arm.com>
To: Yeoreum Yun <yeoreum.yun@arm.com>
Cc: will@kernel.org, broonie@kernel.org, anshuman.khandual@arm.com,
	joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev,
	frederic@kernel.org, james.morse@arm.com,
	hardevsinh.palaniya@siliconsignals.io,
	shameerali.kolothum.thodi@huawei.com, huangxiaojia2@huawei.com,
	mark.rutland@arm.com, samuel.holland@sifive.com,
	palmer@rivosinc.com, charlie@rivosinc.com,
	thiago.bauermann@linaro.org, bgray@linux.ibm.com,
	tglx@linutronix.de, puranjay@kernel.org, david@redhat.com,
	yang@os.amperecomputing.com, mbenes@suse.cz,
	joel.granados@kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, nd@arm.com,
	Peter Collingbourne <pcc@google.com>
Subject: Re: [PATCH v3 1/4] arm64/feature: add MTE_STORE_ONLY feature
Date: Fri, 2 May 2025 18:24:51 +0100	[thread overview]
Message-ID: <aBT_4xNOL436-jJR@arm.com> (raw)
In-Reply-To: <20250410080723.953525-2-yeoreum.yun@arm.com>

(adding Peter C again, please keep him on cc for future versions; and
you can probably avoid others that don't have an interest in MTE ;))

On Thu, Apr 10, 2025 at 09:07:20AM +0100, Yeoreum Yun wrote:
> add MTE_STORE_ONLY feature and HWCAP.
> 
> Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>

Please briefly describe what the feature is in the commit log.

> diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
> index e2b13454e38a..40f85ec01fe4 100644
> --- a/arch/arm64/kernel/cpuinfo.c
> +++ b/arch/arm64/kernel/cpuinfo.c
> @@ -161,6 +161,7 @@ static const char *const hwcap_str[] = {
>  	[KERNEL_HWCAP_SME_STMOP]	= "smestmop",
>  	[KERNEL_HWCAP_SME_SMOP4]	= "smesmop4",
>  	[KERNEL_HWCAP_MTE_FAR]		= "mte_far",
> +	[KERNEL_HWCAP_MTE_STORE_ONLY]	= "mte_store_only",

Nit: "mtestoreonly"

-- 
Catalin


  reply	other threads:[~2025-05-02 17:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-10  8:07 [PATCH v3 0/4] support FEAT_MTE_STORE_ONLY feature Yeoreum Yun
2025-04-10  8:07 ` [PATCH v3 1/4] arm64/feature: add MTE_STORE_ONLY feature Yeoreum Yun
2025-05-02 17:24   ` Catalin Marinas [this message]
2025-05-07 10:48     ` Yeoreum Yun
2025-04-10  8:07 ` [PATCH v3 2/4] prtcl: introduce PR_MTE_STORE_ONLY Yeoreum Yun
2025-04-24 20:34   ` David Hildenbrand
2025-04-28 15:46     ` Yeo Reum Yun
2025-05-02 17:37     ` Catalin Marinas
2025-05-02 18:03       ` Peter Collingbourne
2025-05-02 20:19         ` Catalin Marinas
2025-04-10  8:07 ` [PATCH v3 3/4] arm64/kernel: support store-only mte tag check Yeoreum Yun
2025-05-02 17:50   ` Catalin Marinas
2025-05-07 10:47     ` Yeoreum Yun
2025-04-10  8:07 ` [PATCH v3 4/4] tools/kselftest: add MTE_STORE_ONLY feature hwcap test Yeoreum Yun
2025-05-02 17:51   ` Catalin Marinas
2025-05-07 10:49     ` Yeoreum Yun
2025-04-24 13:50 ` [PATCH v3 0/4] support FEAT_MTE_STORE_ONLY feature Yeoreum Yun
2025-04-24 20:29   ` David Hildenbrand

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