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Message-ID: <CACRpkda_hpTVxKftKBqRvBtC-KN8c9NWHFJDV10TN4JOR7CQCw@mail.gmail.com>
Date:   Wed, 27 Apr 2022 15:01:48 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Lecopzer Chen <lecopzer.chen@...iatek.com>
Cc:     linux@...linux.org.uk, andreyknvl@...il.com,
        anshuman.khandual@....com, ardb@...nel.org, arnd@...db.de,
        dvyukov@...gle.com, geert+renesas@...der.be, glider@...gle.com,
        kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, lukas.bulwahn@...il.com,
        mark.rutland@....com, masahiroy@...nel.org, matthias.bgg@...il.com,
        rmk+kernel@...linux.org.uk, ryabinin.a.a@...il.com,
        yj.chiang@...iatek.com
Subject: Re: [PATCH v5 0/2] arm: kasan: support CONFIG_KASAN_VMALLOC

On Wed, Apr 27, 2022 at 11:59 AM Lecopzer Chen
<lecopzer.chen@...iatek.com> wrote:

> Since the framework of KASAN_VMALLOC is well-developed,
> It's easy to support for ARM that simply not to map shadow of VMALLOC
> area on kasan_init.
>
> Since the virtual address of vmalloc for Arm is also between
> MODULE_VADDR and 0x100000000 (ZONE_HIGHMEM), which means the shadow
> address has already included between KASAN_SHADOW_START and
> KASAN_SHADOW_END.
> Thus we need to change nothing for memory map of Arm.
>
> This can fix ARM_MODULE_PLTS with KASan, support KASan for higmem
> and support CONFIG_VMAP_STACK with KASan.

Excellent Lecopzer,

can you put these patches into Russell's patch tracker so he can pick them?
https://www.armlinux.org.uk/developer/patches/

Yours,
Linus Walleij

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