Re: [PATCH net-next] vhost_net: disable zerocopy by default
From: David Miller
Date: Mon Jun 17 2019 - 17:03:25 EST
From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Mon, 17 Jun 2019 05:20:54 -0400
> Vhost_net was known to suffer from HOL issues which is not easy to
> fix. Several downstream disable the feature by default. What's more,
> the datapath was split and datacopy path got the support of batching
> and XDP support recently which makes it faster than zerocopy part for
> small packets transmission.
> It looks to me that disable zerocopy by default is more
> appropriate. It cold be enabled by default again in the future if we
> fix the above issues.
>  https://patchwork.kernel.org/patch/3787671/
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
Applied, thanks Jason.