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Date:   Wed, 25 Jul 2018 16:31:08 +0300
From:   "Michael S. Tsirkin" <mst@redhat.com>
To:     Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc:     virtualization@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
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        hch@infradead.org, linuxram@us.ibm.com, haren@linux.vnet.ibm.com,
        paulus@samba.org, srikar@linux.vnet.ibm.com
Subject: Re: [RFC 4/4] virtio: Add platform specific DMA API translation for
 virito devices
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On Mon, Jul 23, 2018 at 07:46:09AM +0530, Anshuman Khandual wrote:
> There is a redundant definition of virtio_has_iommu_quirk in the tools
> directory (tools/virtio/linux/virtio_config.h) which does not seem to
> be used any where. I guess that can be removed without problem.

It's there just to make tools/virtio build.
Try
	make -C tools/virtio/
In fact I see there's a missing definition for
dma_rmb/dma_wmb there, I'll post a patch.

-- 
MST