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From: Will Deacon <will.deacon@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	kasan-dev@googlegroups.com, linux-mm@kvack.org,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, Kostya Serebryany <kcc@google.com>
Subject: Re: [PATCH 2/2] kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage
Date: Thu, 11 Jan 2018 17:33:10 +0000	[thread overview]
Message-ID: <20180111173309.GG13216@arm.com> (raw)
In-Reply-To: <ff221eca3db7a1f208c30c625b7d209fba33abb9.1515684162.git.andreyknvl@google.com>

On Thu, Jan 11, 2018 at 04:29:09PM +0100, Andrey Konovalov wrote:
> Right now the fact that KASAN uses a single shadow byte for 8 bytes of
> memory is scattered all over the code.
> 
> This change defines KASAN_SHADOW_SCALE_SHIFT early in asm include files
> and makes use of this constant where necessary.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> ---
>  arch/arm64/include/asm/kasan.h  | 3 ++-
>  arch/arm64/include/asm/memory.h | 3 ++-
>  arch/arm64/mm/kasan_init.c      | 3 ++-
>  arch/x86/include/asm/kasan.h    | 8 ++++++--
>  include/linux/kasan.h           | 2 --
>  5 files changed, 12 insertions(+), 7 deletions(-)

For the arm64 parts:

Acked-by: Will Deacon <will.deacon@arm.com>

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H . Peter Anvin" <hpa@zytor.com>,
	kasan-dev@googlegroups.com, linux-mm@kvack.org,
	linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	linux-kernel@vger.kernel.org, Kostya Serebryany <kcc@google.com>
Subject: Re: [PATCH 2/2] kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage
Date: Thu, 11 Jan 2018 17:33:10 +0000	[thread overview]
Message-ID: <20180111173309.GG13216@arm.com> (raw)
In-Reply-To: <ff221eca3db7a1f208c30c625b7d209fba33abb9.1515684162.git.andreyknvl@google.com>

On Thu, Jan 11, 2018 at 04:29:09PM +0100, Andrey Konovalov wrote:
> Right now the fact that KASAN uses a single shadow byte for 8 bytes of
> memory is scattered all over the code.
> 
> This change defines KASAN_SHADOW_SCALE_SHIFT early in asm include files
> and makes use of this constant where necessary.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> ---
>  arch/arm64/include/asm/kasan.h  | 3 ++-
>  arch/arm64/include/asm/memory.h | 3 ++-
>  arch/arm64/mm/kasan_init.c      | 3 ++-
>  arch/x86/include/asm/kasan.h    | 8 ++++++--
>  include/linux/kasan.h           | 2 --
>  5 files changed, 12 insertions(+), 7 deletions(-)

For the arm64 parts:

Acked-by: Will Deacon <will.deacon@arm.com>

Will

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WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage
Date: Thu, 11 Jan 2018 17:33:10 +0000	[thread overview]
Message-ID: <20180111173309.GG13216@arm.com> (raw)
In-Reply-To: <ff221eca3db7a1f208c30c625b7d209fba33abb9.1515684162.git.andreyknvl@google.com>

On Thu, Jan 11, 2018 at 04:29:09PM +0100, Andrey Konovalov wrote:
> Right now the fact that KASAN uses a single shadow byte for 8 bytes of
> memory is scattered all over the code.
> 
> This change defines KASAN_SHADOW_SCALE_SHIFT early in asm include files
> and makes use of this constant where necessary.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> ---
>  arch/arm64/include/asm/kasan.h  | 3 ++-
>  arch/arm64/include/asm/memory.h | 3 ++-
>  arch/arm64/mm/kasan_init.c      | 3 ++-
>  arch/x86/include/asm/kasan.h    | 8 ++++++--
>  include/linux/kasan.h           | 2 --
>  5 files changed, 12 insertions(+), 7 deletions(-)

For the arm64 parts:

Acked-by: Will Deacon <will.deacon@arm.com>

Will

  reply	other threads:[~2018-01-11 17:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-11 15:29 [PATCH 0/2] kasan: a few cleanups Andrey Konovalov
2018-01-11 15:29 ` Andrey Konovalov
2018-01-11 15:29 ` Andrey Konovalov
2018-01-11 15:29 ` [PATCH 1/2] kasan: fix prototype author email address Andrey Konovalov
2018-01-11 15:29   ` Andrey Konovalov
2018-01-11 15:29   ` Andrey Konovalov
2018-01-11 15:29 ` [PATCH 2/2] kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage Andrey Konovalov
2018-01-11 15:29   ` Andrey Konovalov
2018-01-11 15:29   ` Andrey Konovalov
2018-01-11 17:33   ` Will Deacon [this message]
2018-01-11 17:33     ` Will Deacon
2018-01-11 17:33     ` Will Deacon
2018-01-11 21:59   ` Andrey Ryabinin
2018-01-11 21:59     ` Andrey Ryabinin
2018-01-11 21:59     ` Andrey Ryabinin
2018-01-12 16:49     ` Andrey Konovalov
2018-01-12 16:49       ` Andrey Konovalov
2018-01-12 16:49       ` Andrey Konovalov

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