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, yury.khrustalev@arm.com, maz@kernel.org,
oliver.upton@linux.dev, frederic@kernel.org,
shmeerali.kolothum.thodi@huawei.com, james.morse@arm.com,
mark.rutland@arm.com, huangxiaojia2@huawei.com,
akpm@linux-foundation.org, surenb@google.com,
robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
nd@arm.com
Subject: Re: [PATCH v3 3/3] tools/kselftest: add MTE_FAR hwcap test
Date: Fri, 2 May 2025 18:15:54 +0100 [thread overview]
Message-ID: <aBT9yiaLF9LisLR6@arm.com> (raw)
In-Reply-To: <20250410074721.947380-4-yeoreum.yun@arm.com>
On Thu, Apr 10, 2025 at 08:47:21AM +0100, Yeoreum Yun wrote:
> diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
> index 35f521e5f41c..a539eeb0bfc0 100644
> --- a/tools/testing/selftests/arm64/abi/hwcap.c
> +++ b/tools/testing/selftests/arm64/abi/hwcap.c
> @@ -1098,6 +1098,12 @@ static const struct hwcap_data {
> .sigill_fn = hbc_sigill,
> .sigill_reliable = true,
> },
> + {
> + .name = "MTE_FAR",
> + .at_hwcap = AT_HWCAP3,
> + .hwcap_bit = HWCAP3_MTE_FAR,
> + .cpuinfo = "mte_far",
> + },
> };
This is all good but I'd also like to see a test to check the FAR_EL1
bits are actually exposed to the signal handler when the hwcap is
present.
--
Catalin
next prev parent reply other threads:[~2025-05-02 17:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-10 7:47 [PATCH v3 0/3] support FEAT_MTE_TAGGED_FAR feature Yeoreum Yun
2025-04-10 7:47 ` [PATCH v3 1/3] arm64: add " Yeoreum Yun
2025-05-02 17:12 ` Catalin Marinas
2025-05-06 23:54 ` Yeoreum Yun
2025-04-10 7:47 ` [PATCH v3 2/3] arm64/mm/fault: use original FAR_EL1 value when ARM64_MTE_FAR is supported Yeoreum Yun
2025-05-02 17:08 ` Catalin Marinas
2025-05-02 18:25 ` Peter Collingbourne
2025-05-06 14:33 ` Yeoreum Yun
2025-04-10 7:47 ` [PATCH v3 3/3] tools/kselftest: add MTE_FAR hwcap test Yeoreum Yun
2025-05-02 17:15 ` Catalin Marinas [this message]
2025-05-06 23:56 ` Yeoreum Yun
2025-04-24 13:49 ` [PATCH v3 0/3] support FEAT_MTE_TAGGED_FAR feature Yeoreum Yun
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