linux-kernel - Re: [PATCH V2 07/19] csky: MMU and page table management

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Message-ID: <20180702132915.GA6578@infradead.org>
Date:   Mon, 2 Jul 2018 06:29:15 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Guo Ren <ren_guo@...ky.com>
Cc:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, daniel.lezcano@...aro.org,
        jason@...edaemon.net, arnd@...db.de, c-sky_gcc_upstream@...ky.com,
        gnu-csky@...tor.com, thomas.petazzoni@...tlin.com,
        wbx@...ibc-ng.org, green.hu@...il.com
Subject: Re: [PATCH V2 07/19] csky: MMU and page table management

This commit is missing an explanation.

For the dma-mapping code please use the generic kernel/dma/noncoherent.c
code instead of duplicating it.