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References: <20210206083552.24394-1-lecopzer.chen@mediatek.com> <20210319174108.GD6832@arm.com>
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From:   Lecopzer Chen <lecopzer@gmail.com>
Date:   Sat, 20 Mar 2021 18:58:45 +0800
Message-ID: <CANr2M19+FtoAiEgKecJFdkdhaBLidiGjFvNY1f1kOMsvdQZEVA@mail.gmail.com>
Subject: Re: [PATCH v3 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC
To:     Catalin Marinas <catalin.marinas@arm.com>
Cc:     Lecopzer Chen <lecopzer.chen@mediatek.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-mm@kvack.org, kasan-dev@googlegroups.com,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        Will Deacon <will@kernel.org>, dan.j.williams@intel.com,
        aryabinin@virtuozzo.com, Alexander Potapenko <glider@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com,
        ardb@kernel.org, Andrey Konovalov <andreyknvl@google.com>,
        broonie@kernel.org, linux@roeck-us.net, rppt@kernel.org,
        tyhicks@linux.microsoft.com, robin.murphy@arm.com,
        vincenzo.frascino@arm.com, gustavoars@kernel.org
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On Sat, Mar 20, 2021 at 1:41 AM Catalin Marinas <catalin.marinas@arm.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@mediatek.com>
> > Acked-by: Andrey Konovalov <andreyknvl@google.com>
> > Tested-by: Andrey Konovalov <andreyknvl@google.com>
> > Tested-by: Ard Biesheuvel <ardb@kernel.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