From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v1] igu_uio: fix IOMMU domain issue
Date: Tue, 10 May 2016 08:59:15 -0700
Message-ID: <20160510085915.529b4af5@xeon-e3>
References: <1462879301-13570-1-git-send-email-zhe.tao@intel.com>
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To: Zhe Tao <zhe.tao@intel.com>
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On Tue, 10 May 2016 19:21:41 +0800
Zhe Tao <zhe.tao@intel.com> wrote:

> Problem:
> The following  operations will cause the igb_uio based DPDK
> operation failed.
> --Any device assignment through the kvm_assign_device interface,
> this can be the pci-assign method in QEMU
> --VFIO group attachment operation(attach to the container)
> this can happens in  vfio-pci assignment in QEMU


If you have an IOMMU why not use VFIO instead, it is better.