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From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Peter Collingbourne <pcc@google.com>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	kasan-dev <kasan-dev@googlegroups.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	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>
Subject: Re: [PATCH 0/5] arm64: ARMv8.7-A: MTE: Add asymm mode support
Date: Tue, 21 Sep 2021 09:03:01 +0200	[thread overview]
Message-ID: <ab5615ef-b4f4-28be-3e2b-2b592e11580a@arm.com> (raw)
In-Reply-To: <CAMn1gO5sUhDkx4w-Kk8hw0xLbXmr129xeJa6YhxOeJ-v83hp6w@mail.gmail.com>



On 9/20/21 11:29 PM, Peter Collingbourne wrote:
> On Mon, Sep 13, 2021 at 1:21 AM Vincenzo Frascino
> <vincenzo.frascino@arm.com> wrote:
>>
>> This series implements the asymmetric mode support for ARMv8.7-A Memory
>> Tagging Extension (MTE), which is a debugging feature that allows to
>> detect with the help of the architecture the C and C++ programmatic
>> memory errors like buffer overflow, use-after-free, use-after-return, etc.
> 
> Unless I'm missing something, it looks like this only includes KASAN
> support and not userspace support. Is userspace support coming in a
> separate patch?
> 
> The fact that this only includes KASAN support should probably be in
> the commit messages as well.
> 

Good catch, I forgot to mention that this series is meant only for in-kernel
support. I will update the cover in the next iteration.

Thanks!

> Peter
> 

-- 
Regards,
Vincenzo

WARNING: multiple messages have this Message-ID (diff)
From: Vincenzo Frascino <vincenzo.frascino@arm.com>
To: Peter Collingbourne <pcc@google.com>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	kasan-dev <kasan-dev@googlegroups.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	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>
Subject: Re: [PATCH 0/5] arm64: ARMv8.7-A: MTE: Add asymm mode support
Date: Tue, 21 Sep 2021 09:03:01 +0200	[thread overview]
Message-ID: <ab5615ef-b4f4-28be-3e2b-2b592e11580a@arm.com> (raw)
In-Reply-To: <CAMn1gO5sUhDkx4w-Kk8hw0xLbXmr129xeJa6YhxOeJ-v83hp6w@mail.gmail.com>



On 9/20/21 11:29 PM, Peter Collingbourne wrote:
> On Mon, Sep 13, 2021 at 1:21 AM Vincenzo Frascino
> <vincenzo.frascino@arm.com> wrote:
>>
>> This series implements the asymmetric mode support for ARMv8.7-A Memory
>> Tagging Extension (MTE), which is a debugging feature that allows to
>> detect with the help of the architecture the C and C++ programmatic
>> memory errors like buffer overflow, use-after-free, use-after-return, etc.
> 
> Unless I'm missing something, it looks like this only includes KASAN
> support and not userspace support. Is userspace support coming in a
> separate patch?
> 
> The fact that this only includes KASAN support should probably be in
> the commit messages as well.
> 

Good catch, I forgot to mention that this series is meant only for in-kernel
support. I will update the cover in the next iteration.

Thanks!

> Peter
> 

-- 
Regards,
Vincenzo

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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-09-21  7:03 UTC|newest]

Thread overview: 46+ 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 ` Vincenzo Frascino
2021-09-13  8:14 ` [PATCH 1/5] kasan: Remove duplicate of kasan_flag_async Vincenzo Frascino
2021-09-13  8:14   ` Vincenzo Frascino
2021-09-20 15:31   ` Catalin Marinas
2021-09-20 15:31     ` Catalin Marinas
2021-10-03 17:12   ` Andrey Konovalov
2021-10-03 17:12     ` Andrey Konovalov
2021-09-13  8:14 ` [PATCH 2/5] arm64: mte: Bitfield definitions for Asymm MTE Vincenzo Frascino
2021-09-13  8:14   ` Vincenzo Frascino
2021-09-20 15:31   ` Catalin Marinas
2021-09-20 15:31     ` Catalin Marinas
2021-09-13  8:14 ` [PATCH 3/5] arm64: mte: CPU feature detection " Vincenzo Frascino
2021-09-13  8:14   ` Vincenzo Frascino
2021-09-20 15:31   ` Catalin Marinas
2021-09-20 15:31     ` Catalin Marinas
2021-09-20 15:41   ` Suzuki K Poulose
2021-09-20 15:41     ` Suzuki K Poulose
2021-09-13  8:14 ` [PATCH 4/5] arm64: mte: Add asymmetric mode support Vincenzo Frascino
2021-09-13  8:14   ` Vincenzo Frascino
2021-09-20 15:31   ` Catalin Marinas
2021-09-20 15:31     ` Catalin Marinas
2021-10-03 17:15   ` Andrey Konovalov
2021-10-03 17:15     ` Andrey Konovalov
2021-10-04 15:39     ` Vincenzo Frascino
2021-10-04 15:39       ` Vincenzo Frascino
2021-09-13  8:14 ` [PATCH 5/5] kasan: Extend KASAN mode kernel parameter Vincenzo Frascino
2021-09-13  8:14   ` Vincenzo Frascino
2021-09-16 10:43   ` Marco Elver
2021-09-16 10:43     ` Marco Elver
2021-09-20  7:46     ` Vincenzo Frascino
2021-09-20  7:46       ` Vincenzo Frascino
2021-10-03 17:16       ` Andrey Konovalov
2021-10-03 17:16         ` Andrey Konovalov
2021-10-04 15:45         ` Vincenzo Frascino
2021-10-04 15:45           ` Vincenzo Frascino
2021-09-20 15:32   ` Catalin Marinas
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
2021-09-20 21:29   ` Peter Collingbourne
2021-09-21  7:03   ` Vincenzo Frascino [this message]
2021-09-21  7:03     ` Vincenzo Frascino
2021-09-29 15:49 ` Will Deacon
2021-09-29 15:49   ` Will Deacon
2021-10-04 15:16   ` Vincenzo Frascino
2021-10-04 15:16     ` Vincenzo Frascino

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