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From: Linus Walleij <linus.walleij@linaro.org>
To: Hailong liu <carver4lio@163.com>
Cc: Russell King <linux@armlinux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mike Rapoport <rppt@kernel.org>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Alexander Potapenko <glider@google.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	kasan-dev <kasan-dev@googlegroups.com>,
	Hailong Liu <liu.hailong6@zte.com.cn>
Subject: Re: [RESEND PATCH v2] arm/mm/ptdump:Add address markers for KASAN regions
Date: Thu, 21 Jan 2021 09:36:32 +0100	[thread overview]
Message-ID: <CACRpkda5VXyg5F7r4RaHrSh303KZ3FjxnLEsQ1tFNXjMhxDqLw@mail.gmail.com> (raw)
In-Reply-To: <20210120125010.10896-1-carver4lio@163.com>

On Wed, Jan 20, 2021 at 1:54 PM Hailong liu <carver4lio@163.com> wrote:

> From: Hailong Liu <liu.hailong6@zte.com.cn>
>
> ARM has recently supported KASAN, so I think that it's time to add KASAN
> regions for PTDUMP on ARM.
>
> I have tested this patch with QEMU + vexpress-a15. Both CONFIG_ARM_LPAE
> and no CONFIG_ARM_LPAE.
>
> The result after patching looks like this:
>  ---[ Kasan shadow start ]---
>  0x6ee00000-0x7af00000         193M     RW NX SHD MEM/CACHED/WBWA
>  0x7b000000-0x7f000000          64M     ro NX SHD MEM/CACHED/WBWA
>  ---[ Kasan shadow end ]---
>  ---[ Modules ]---
>  ---[ Kernel Mapping ]---
>         ......
>  ---[ vmalloc() Area ]---
>         ......
>  ---[ vmalloc() End ]---
>  ---[ Fixmap Area ]---
>  ---[ Vectors ]---
>         ......
>  ---[ Vectors End ]---
>
> v2:
> - fix the puzzling subject and the description due to my
> carelessness.
>
> Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn>

Looks correct!
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Please put this into Russell's patch tracker.

Yours,
Linus Walleij

WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Hailong liu <carver4lio@163.com>
Cc: Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Hailong Liu <liu.hailong6@zte.com.cn>,
	Russell King <linux@armlinux.org.uk>,
	kasan-dev <kasan-dev@googlegroups.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Alexander Potapenko <glider@google.com>,
	Mike Rapoport <rppt@kernel.org>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [RESEND PATCH v2] arm/mm/ptdump:Add address markers for KASAN regions
Date: Thu, 21 Jan 2021 09:36:32 +0100	[thread overview]
Message-ID: <CACRpkda5VXyg5F7r4RaHrSh303KZ3FjxnLEsQ1tFNXjMhxDqLw@mail.gmail.com> (raw)
In-Reply-To: <20210120125010.10896-1-carver4lio@163.com>

On Wed, Jan 20, 2021 at 1:54 PM Hailong liu <carver4lio@163.com> wrote:

> From: Hailong Liu <liu.hailong6@zte.com.cn>
>
> ARM has recently supported KASAN, so I think that it's time to add KASAN
> regions for PTDUMP on ARM.
>
> I have tested this patch with QEMU + vexpress-a15. Both CONFIG_ARM_LPAE
> and no CONFIG_ARM_LPAE.
>
> The result after patching looks like this:
>  ---[ Kasan shadow start ]---
>  0x6ee00000-0x7af00000         193M     RW NX SHD MEM/CACHED/WBWA
>  0x7b000000-0x7f000000          64M     ro NX SHD MEM/CACHED/WBWA
>  ---[ Kasan shadow end ]---
>  ---[ Modules ]---
>  ---[ Kernel Mapping ]---
>         ......
>  ---[ vmalloc() Area ]---
>         ......
>  ---[ vmalloc() End ]---
>  ---[ Fixmap Area ]---
>  ---[ Vectors ]---
>         ......
>  ---[ Vectors End ]---
>
> v2:
> - fix the puzzling subject and the description due to my
> carelessness.
>
> Signed-off-by: Hailong Liu <liu.hailong6@zte.com.cn>

Looks correct!
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Please put this into Russell's patch tracker.

Yours,
Linus Walleij

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  reply	other threads:[~2021-01-21  8:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-20 12:50 [RESEND PATCH v2] arm/mm/ptdump:Add address markers for KASAN regions Hailong liu
2021-01-20 12:50 ` Hailong liu
2021-01-21  8:36 ` Linus Walleij [this message]
2021-01-21  8:36   ` Linus Walleij
2021-01-26 14:38   ` carver4lio
2021-01-26 14:38     ` carver4lio

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