[PATCH v2 1/3] vhost: remove redundant copy for packed shadow used ring

[Maxime Coquelin]

On 1/13/23 03:56, Cheng Jiang wrote:
> In the packed ring enqueue data path of the current asynchronous
> Vhost design, the shadow used ring is first copied to the sync
> shadow used ring, and then it will be moved to the async shadow
> used ring for some historical reasons. This is completely unnecessary.
> This patch removes redundant copy for the shadow used ring. The async
> shadow used ring will be updated directly.
> 
> Signed-off-by: Cheng Jiang <cheng1.jiang at intel.com>
> ---
>   lib/vhost/virtio_net.c | 66 ++++++++++++++++++++----------------------
>   1 file changed, 31 insertions(+), 35 deletions(-)
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime