linux-kernel - Re: [PATCH v4 1/3] kasan: No KASAN's memmove check if archs don't have it.

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Message-ID: <73f11f1e-6df7-c217-e05d-049d04717600@virtuozzo.com>
Date:   Mon, 18 Nov 2019 19:22:23 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Nick Hu <nickhu@...estech.com>, glider@...gle.com,
        dvyukov@...gle.com, corbet@....net, paul.walmsley@...ive.com,
        palmer@...ive.com, aou@...s.berkeley.edu, tglx@...utronix.de,
        gregkh@...uxfoundation.org, alankao@...estech.com,
        Anup.Patel@....com, atish.patra@....com,
        kasan-dev@...glegroups.com, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-mm@...ck.org, green.hu@...il.com
Subject: Re: [PATCH v4 1/3] kasan: No KASAN's memmove check if archs don't
 have it.

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@...estech.com>
> ---

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