[dpdk-dev] [PATCH v2] vhost: dequeue zero copy should restore mbuf before return to pool

[Yuanhan Liu]

On Thu, Jan 18, 2018 at 09:44:41AM +0100, Maxime Coquelin wrote:
> 
> 
> On 01/17/2018 04:45 PM, Junjie Chen wrote:
> >dequeue zero copy change buf_addr and buf_iova of mbuf, and return
> >to mbuf pool without restore them, it breaks vm memory if others allocate
> >mbuf from same pool since mbuf reset doesn't reset buf_addr and buf_iova.
> >
> >Signed-off-by: Junjie Chen <junjie.j.chen at intel.com>
> >---
> >v2 changes:
> >Remove useless restore
> >  lib/librte_vhost/virtio_net.c | 17 +++++++++++++++++
> >  1 file changed, 17 insertions(+)
> >
> 
> Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Applied to dpdk-next-virtio, with below addings:

Fixes: b0a985d1f340 ("vhost: add dequeue zero copy")
Cc: stable at dpdk.org

Thanks.

	--yliu