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Date: Wed, 11 May 2016 11:25:59 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: Hemant Agrawal <hemant.agrawal@nxp.com>, <dev@dpdk.org>,
 <jianbo.liu@linaro.org>, <santosh.shukla@caviumnetworks.com>,
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Subject: Re: [dpdk-dev] [PATCHv3 1/2] config/armv8a: disable igb_uio
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On Wed, 11 May 2016 22:32:16 +0530
Jerin Jacob <jerin.jacob@caviumnetworks.com> wrote:

> On Wed, May 11, 2016 at 08:22:59AM -0700, Stephen Hemminger wrote:
> > On Wed, 11 May 2016 19:17:58 +0530
> > Hemant Agrawal <hemant.agrawal@nxp.com> wrote:
> > 
> > > IGB_UIO not supported for arm64 arch in kernel so disable.
> > > 
> > > Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
> > > Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
> > 
> > Really, I have use IGB_UIO on ARM64
> 
> May I know what is the technical use case for igb_uio on arm64
> which cannot be addressed through vfio or vfioionommu.

I was running on older kernel which did not support vfioionommu mode.