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Subject: Re: [PATCH v4 1/3] kasan: No KASAN's memmove check if archs don't
 have it.
To:     Nick Hu <nickhu@andestech.com>, glider@google.com,
        dvyukov@google.com, corbet@lwn.net, paul.walmsley@sifive.com,
        palmer@sifive.com, aou@eecs.berkeley.edu, tglx@linutronix.de,
        gregkh@linuxfoundation.org, alankao@andestech.com,
        Anup.Patel@wdc.com, atish.patra@wdc.com,
        kasan-dev@googlegroups.com, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
        linux-mm@kvack.org, green.hu@gmail.com
References: <20191028024101.26655-1-nickhu@andestech.com>
 <20191028024101.26655-2-nickhu@andestech.com>
From:   Andrey Ryabinin <aryabinin@virtuozzo.com>
Message-ID: <73f11f1e-6df7-c217-e05d-049d04717600@virtuozzo.com>
Date:   Mon, 18 Nov 2019 19:22:23 +0300
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On 10/28/19 5:40 AM, Nick Hu wrote:
> If archs don't have memmove then the C implementation from lib/string.c is used,
> and then it's instrumented by compiler. So there is no need to add KASAN's
> memmove to manual checks.
> 
> Signed-off-by: Nick Hu <nickhu@andestech.com>
> ---

Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>