linux-kernel - Re: [RESEND PATCH v2] arm/mm/ptdump:Add address markers for KASAN regions

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Date:   Tue, 26 Jan 2021 22:38:30 +0800
From:   carver4lio@....com
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Russell King <linux@...linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...nel.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Hailong Liu <liu.hailong6@....com.cn>
Subject: Re: [RESEND PATCH v2] arm/mm/ptdump:Add address markers for KASAN
 regions

On 1/21/21 4:36 PM, Linus Walleij wrote:
> On Wed, Jan 20, 2021 at 1:54 PM Hailong liu <carver4lio@....com> wrote:
> 
>> From: Hailong Liu <liu.hailong6@....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@....com.cn>
> 
> Looks correct!
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
> Please put this into Russell's patch tracker.

I have put this patch into Russell's patch tracker, and its status now is
incoming.