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Date:   Mon, 12 Aug 2019 08:04:46 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Nick Hu <nickhu@andestech.com>
Cc:     alankao@andestech.com, paul.walmsley@sifive.com, palmer@sifive.com,
        aou@eecs.berkeley.edu, green.hu@gmail.com, deanbo422@gmail.com,
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        glider@google.com, dvyukov@google.com, Anup.Patel@wdc.com,
        gregkh@linuxfoundation.org, alexios.zavras@intel.com,
        atish.patra@wdc.com, zong@andestech.com, kasan-dev@googlegroups.com
Subject: Re: [PATCH 1/2] riscv: Add memmove string operation.
Message-ID: <20190812150446.GI26897@infradead.org>
References: <cover.1565161957.git.nickhu@andestech.com>
 <a6c24ce01dc40da10d58fdd30bc3e1316035c832.1565161957.git.nickhu@andestech.com>
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On Wed, Aug 07, 2019 at 03:19:14PM +0800, Nick Hu wrote:
> There are some features which need this string operation for compilation,
> like KASAN. So the purpose of this porting is for the features like KASAN
> which cannot be compiled without it.
> 
> KASAN's string operations would replace the original string operations and
> call for the architecture defined string operations. Since we don't have
> this in current kernel, this patch provides the implementation.
> 
> This porting refers to the 'arch/nds32/lib/memmove.S'.

This looks sensible to me, although my stringop asm is rather rusty,
so just an ack and not a real review-by:

Acked-by: Christoph Hellwig <hch@lst.de>