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(parent: bd8f50a) | patch
doc: add driver limitation for vhost dequeue zero copy
authorJunjie Chen <junjie.j.chen@intel.com>
Wed, 14 Mar 2018 16:24:16 +0000 (12:24 -0400)
committerFerruh Yigit <ferruh.yigit@intel.com>
Fri, 13 Apr 2018 22:43:30 +0000 (00:43 +0200)
commite3075e969eff1d4746b58172a188a4dc12194ef6
tree3bd6b8fada6269147ea6d83e372cee3117eacc0atree | snapshot
parentbd8f50a45d0fb55cf191c3f6022a1ceb80a0b712commit | diff
doc: add driver limitation for vhost dequeue zero copy

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 <junjie.j.chen@intel.com>
Reviewed-by: Jianfeng Tan <jianfeng.tan@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
doc/guides/prog_guide/vhost_lib.rst diff | blob | history
doc/guides/sample_app_ug/vhost.rst diff | blob | history
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