From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: two dma-direct fixes for 4.18
Date: Fri, 24 Aug 2018 08:53:22 +0200
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Ensure we properly take the phys_to_dma translations into account when
checking dma masks.