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Date:   Sun, 25 Aug 2019 23:38:18 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     guoren@kernel.org
Cc:     arnd@arndb.de, hch@infradead.org, linux-kernel@vger.kernel.org,
        linux-arch@vger.kernel.org, linux-csky@vger.kernel.org,
        douzhk@nationalchip.com, Guo Ren <ren_guo@c-sky.com>
Subject: Re: [PATCH V2] csky: Fixup 610 vipt cache flush mechanism
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On Thu, Aug 22, 2019 at 11:05:22AM +0800, guoren@kernel.org wrote:
> From: Guo Ren <ren_guo@c-sky.com>
> 
> 610 has vipt aliasing issue, so we need to finish the cache flush
> apis mentioned in cachetlb.rst to avoid data corruption.
> 
> Here is the list of modified apis in the patch:

Looks sensible to me, although I can't really verify the details.
You might also want to Cc linux-mm.