linux-kernel - Re: [PATCH V2] csky: Fixup 610 vipt cache flush mechanism

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Message-ID: <20190826063818.GA29871@infradead.org>
Date:   Sun, 25 Aug 2019 23:38:18 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     guoren@...nel.org
Cc:     arnd@...db.de, hch@...radead.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-csky@...r.kernel.org,
        douzhk@...ionalchip.com, Guo Ren <ren_guo@...ky.com>
Subject: Re: [PATCH V2] csky: Fixup 610 vipt cache flush mechanism

On Thu, Aug 22, 2019 at 11:05:22AM +0800, guoren@...nel.org wrote:
> From: Guo Ren <ren_guo@...ky.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.