From: Catalin Marinas <catalin.marinas@arm.com>
To: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
Andrew Morton <akpm@linux-foundation.org>,
Will Deacon <will@kernel.org>, Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
Evgenii Stepanov <eugenis@google.com>,
Branislav Rankov <Branislav.Rankov@arm.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Suzuki K Poulose <Suzuki.Poulose@arm.com>
Subject: Re: [PATCH 3/5] arm64: mte: CPU feature detection for Asymm MTE
Date: Mon, 20 Sep 2021 16:31:33 +0100 [thread overview]
Message-ID: <YUipVXG/kObqo6MZ@arm.com> (raw)
In-Reply-To: <20210913081424.48613-4-vincenzo.frascino@arm.com>
On Mon, Sep 13, 2021 at 09:14:22AM +0100, Vincenzo Frascino wrote:
> diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
> index f8a3067d10c6..a18774071a45 100644
> --- a/arch/arm64/kernel/cpufeature.c
> +++ b/arch/arm64/kernel/cpufeature.c
> @@ -2317,6 +2317,16 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
> .sign = FTR_UNSIGNED,
> .cpu_enable = cpu_enable_mte,
> },
> + {
> + .desc = "Asymmetric Memory Tagging Extension",
I'd give this a better name as it's not entirely clear what it does. In
the ARM ARM this is described as "asymmetric Tag Check Fault handling".
Maybe just rename it to "Asymmetric MTE Tag Check Fault". Similarly in
the Kconfig if you added one.
Otherwise:
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2021-09-20 15:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 8:14 [PATCH 0/5] arm64: ARMv8.7-A: MTE: Add asymm mode support Vincenzo Frascino
2021-09-13 8:14 ` [PATCH 1/5] kasan: Remove duplicate of kasan_flag_async Vincenzo Frascino
2021-09-20 15:31 ` Catalin Marinas
2021-10-03 17:12 ` Andrey Konovalov
2021-09-13 8:14 ` [PATCH 2/5] arm64: mte: Bitfield definitions for Asymm MTE Vincenzo Frascino
2021-09-20 15:31 ` Catalin Marinas
2021-09-13 8:14 ` [PATCH 3/5] arm64: mte: CPU feature detection " Vincenzo Frascino
2021-09-20 15:31 ` Catalin Marinas [this message]
2021-09-20 15:41 ` Suzuki K Poulose
2021-09-13 8:14 ` [PATCH 4/5] arm64: mte: Add asymmetric mode support Vincenzo Frascino
2021-09-20 15:31 ` Catalin Marinas
2021-10-03 17:15 ` Andrey Konovalov
2021-10-04 15:39 ` Vincenzo Frascino
2021-09-13 8:14 ` [PATCH 5/5] kasan: Extend KASAN mode kernel parameter Vincenzo Frascino
2021-09-16 10:43 ` Marco Elver
2021-09-20 7:46 ` Vincenzo Frascino
2021-10-03 17:16 ` Andrey Konovalov
2021-10-04 15:45 ` Vincenzo Frascino
2021-09-20 15:32 ` Catalin Marinas
2021-09-20 21:29 ` [PATCH 0/5] arm64: ARMv8.7-A: MTE: Add asymm mode support Peter Collingbourne
2021-09-21 7:03 ` Vincenzo Frascino
2021-09-29 15:49 ` Will Deacon
2021-10-04 15:16 ` Vincenzo Frascino
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