From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: use generic DMA mapping code in powerpc V4
Date: Tue, 4 Dec 2018 15:24:26 +0100
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To: Christian Zigotzky <chzigotzky-KCoaydhb8eAb1SvskN2V4Q@public.gmane.org>
Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Darren Stevens <darren-YHtdit1eIT3easaKlIn9Lw@public.gmane.org>, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Julian Margetson <runaway-zqC88Q5qmK4@public.gmane.org>, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
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On Tue, Dec 04, 2018 at 10:53:39AM +0100, Christian Zigotzky wrote:
> I don't know why this kernel doesn't recognize the hard disks connected to 
> my physical P5020 board and why the onboard ethernet on my PASEMI board 
> doesn't work. (dma_direct_map_page: overflow)

Do you know if this actually works for the baseline before my patches?
E.g. with commit 721c01ba8b46ddb5355bd6e6b3bbfdabfdf01e97 ?