Re: [dpdk-dev] [PATCH v6 4/5] examples/vhost: handle memory hotplug for async vhost

[Maxime Coquelin <maxime.coquelin@redhat.com>]

On 7/19/21 10:10 AM, Cheng Jiang wrote:
> When the guest memory is hotplugged, the vhost application which
> enables DMA acceleration must stop DMA transfers before the vhost
> re-maps the guest memory.
> 
> To accomplish that, we need to do these changes in the vhost sample:
> 1. add inflight packets count.
> 2. add vring_state_changed() callback.
> 3. add inflight packets clear process in destroy_device() and
> vring_state_changed().
> 
> Signed-off-by: Cheng Jiang <cheng1.jiang@intel.com>
> ---
>  examples/vhost/main.c | 55 +++++++++++++++++++++++++++++++++++++++++--
>  examples/vhost/main.h |  1 +
>  2 files changed, 54 insertions(+), 2 deletions(-)
> 

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

Thanks,
Maxime