linux-kernel - Re: [PATCH v3 0/5] arm64: kasan: support CONFIG_KASAN

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Message-ID: <CANr2M19+FtoAiEgKecJFdkdhaBLidiGjFvNY1f1kOMsvdQZEVA@mail.gmail.com>
Date:   Sat, 20 Mar 2021 18:58:45 +0800
From:   Lecopzer Chen <lecopzer@...il.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     Lecopzer Chen <lecopzer.chen@...iatek.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, kasan-dev@...glegroups.com,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Will Deacon <will@...nel.org>, dan.j.williams@...el.com,
        aryabinin@...tuozzo.com, Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-mediatek@...ts.infradead.org, yj.chiang@...iatek.com,
        ardb@...nel.org, Andrey Konovalov <andreyknvl@...gle.com>,
        broonie@...nel.org, linux@...ck-us.net, rppt@...nel.org,
        tyhicks@...ux.microsoft.com, robin.murphy@....com,
        vincenzo.frascino@....com, gustavoars@...nel.org
Subject: Re: [PATCH v3 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC

On Sat, Mar 20, 2021 at 1:41 AM Catalin Marinas <catalin.marinas@....com> wrote:
>
> Hi Lecopzer,
>
> On Sat, Feb 06, 2021 at 04:35:47PM +0800, Lecopzer Chen wrote:
> > Linux supports KAsan for VMALLOC since commit 3c5c3cfb9ef4da9
> > ("kasan: support backing vmalloc space with real shadow memory")
> >
> > Acroding to how x86 ported it [1], they early allocated p4d and pgd,
> > but in arm64 I just simulate how KAsan supports MODULES_VADDR in arm64
> > by not to populate the vmalloc area except for kimg address.
>
> Do you plan an update to a newer kernel like 5.12-rc3?
>

Yes, of course. I dealt with some personal matters so didn't update
these series last month.

> > Signed-off-by: Lecopzer Chen <lecopzer.chen@...iatek.com>
> > Acked-by: Andrey Konovalov <andreyknvl@...gle.com>
> > Tested-by: Andrey Konovalov <andreyknvl@...gle.com>
> > Tested-by: Ard Biesheuvel <ardb@...nel.org>
>
> You could move these to individual patches rather than the cover letter,
> assuming that they still stand after the changes you've made. Also note
> that Andrey K no longer has the @google.com email address if you cc him
> on future patches (replace it with @gmail.com).
>

Ok thanks for the suggestion.
I will move them to each patch and correct the email address.


Thanks,
Lecopzer