linux-kernel - Re: [PATCH 08/44] xen-swiotlb: implement ->mapping

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Date:   Sat, 10 Jun 2017 22:37:26 -0400
From:   Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:     Christoph Hellwig <hch@....de>
Cc:     x86@...nel.org, linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org, linux-c6x-dev@...ux-c6x.org,
        linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, dmaengine@...r.kernel.org,
        linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-samsung-soc@...r.kernel.org,
        iommu@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/44] xen-swiotlb: implement ->mapping_error

On Thu, Jun 08, 2017 at 03:25:33PM +0200, Christoph Hellwig wrote:
> DMA_ERROR_CODE is going to go away, so don't rely on it.

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>