[dpdk-dev] [PATCH v15 1/2] kni: support userspace VA

[Jerin Jacob]

On Sun, Nov 17, 2019 at 8:43 PM David Marchand
<david.marchand at redhat.com> wrote:
>
> From: Vamsi Attunuru <vattunuru at marvell.com>
>
> Patch adds support for kernel module to work in IOVA = VA mode by
> providing address translation routines to convert userspace VA to
> kernel VA.
>
> KNI performance using PA is not changed by this patch.
> But comparing KNI using PA to KNI using VA, the latter will have lower
> performance due to the cost of the added translation.
>
> This translation is implemented only with kernel versions starting 4.6.0.
>
> Signed-off-by: Vamsi Attunuru <vattunuru at marvell.com>
> Signed-off-by: Kiran Kumar K <kirankumark at marvell.com>

Reviewed-by: Jerin Jacob <jerinj at marvell.com>