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Date: Tue, 10 Feb 2015 20:32:32 -0800
From: Stephen Hemminger <stephen@networkplumber.org>
To: Ouyang Changchun <changchun.ouyang@intel.com>
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Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 17/26] virtio: Use port IO to get PCI
	resource.
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On Mon,  9 Feb 2015 09:14:06 +0800
Ouyang Changchun <changchun.ouyang@intel.com> wrote:

> Make virtio not require UIO for some security reasons, this is to match 6Wind's virtio-net-pmd.
> 
> Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>

This breaks applications that use link state interrupt.

If the non-UIO mode is used link state interrupt fd is not available.