On 03/29/2018 02:14 PM, Maxime Coquelin wrote:
On 03/14/2018 05:24 PM, Junjie Chen wrote:
In vhost-switch example, when binding nic to vfio-pci with iommu enabled,
dequeue zero copy cannot work in VM2NIC mode due to no iommu dma mapping
is setup for guest memory currently.
Signed-off-by: Ju
On 03/14/2018 05:24 PM, Junjie Chen wrote:
In vhost-switch example, when binding nic to vfio-pci with iommu enabled,
dequeue zero copy cannot work in VM2NIC mode due to no iommu dma mapping
is setup for guest memory currently.
Signed-off-by: Junjie Chen
Reviewed-by: Maxime Coquelin
John,
> -Original Message-
> From: Chen, Junjie J
> Sent: Thursday, March 15, 2018 12:24 AM
> To: Tan, Jianfeng; maxime.coque...@redhat.com; y...@fridaylinux.org
> Cc: dev@dpdk.org; Chen, Junjie J
> Subject: [PATCH v4] doc: add driver limitation for vhost dequeue zero copy
>
> In vhost-switch
In vhost-switch example, when binding nic to vfio-pci with iommu enabled,
dequeue zero copy cannot work in VM2NIC mode due to no iommu dma mapping
is setup for guest memory currently.
Signed-off-by: Junjie Chen
---
Changes in V4:
- make words more accurate
Changes in V3:
- update limitation to io
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