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Subject: Re: [PATCH -next 3/3] kasan: arm64: Fix pcpu_page_first_chunk crash
 with KASAN_VMALLOC
To:     Marco Elver <elver@google.com>
CC:     Dmitry Vyukov <dvyukov@google.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <kasan-dev@googlegroups.com>,
        <linux-mm@kvack.org>, Daniel Axtens <dja@axtens.net>
References: <20210705111453.164230-1-wangkefeng.wang@huawei.com>
 <20210705111453.164230-4-wangkefeng.wang@huawei.com>
 <YOMfcE7V7lSE3N/z@elver.google.com>
 <089f5187-9a4d-72dc-1767-8130434bfb3a@huawei.com>
 <5f760f6c-dcbd-b28a-2116-a2fb233fc534@huawei.com>
 <CANpmjNP8Js3nKeVfwPqV7oQaBbGebKxFYRWe8TifTduP2q86xA@mail.gmail.com>
From:   Kefeng Wang <wangkefeng.wang@huawei.com>
Message-ID: <a0431275-2ca1-0d5e-72e2-9ec6b256cbf1@huawei.com>
Date:   Sat, 17 Jul 2021 10:40:42 +0800
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On 2021/7/16 15:41, Marco Elver wrote:
> On Fri, 16 Jul 2021 at 07:06, Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>> Hi Marco and Dmitry, any comments about the following replay, thanks.
> Can you clarify the question? I've been waiting for v2.
>
> I think you said that this will remain arm64 specific and the existing
> generic kasan_populate_early_shadow() doesn't work.

Yes, I can't find a generic way to solve the issue, if there is no 
better way, I

will send a new version(fix the build error and the wrong __weak comment)

>
> If there's nothing else that needs resolving, please go ahead and send
> v2 (the __weak comment still needs resolving).
Thanks. will do.
>
> Thanks,
> -- Marco
> .
>