Re: [dpdk-dev] [PATCH 18.05-RC3 0/2] net/virtio-user: support memory hotplug

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 5/8/2018 8:10 AM, Xiao Wang wrote:
> This patch set has dependency on http://dpdk.org/dev/patchwork/patch/39283/
> ("mem: add argument to mem event callbacks").
> 
> When memory is hot-added or hot-removed, the virtio-user driver has to
> notify the vhost-user backend with sending a VHOST_USER_SET_MEM_TABLE
> request with the new memory map as payload. This patch set registers
> a mem_event callback to help on that.
> 
> Considering some older vhost-user implementation doesn't support runtime
> memory table change, e.g. DPDK 16.11, we have to pause queues explicitly
> in the callback routine:
>  1. disable all the active queues
>  2. update memory table to vhost
>  3. resume all the previous active queues
> 
> Maxime Coquelin (2):
>   vhost: retranslate vring addr when memory table changes
>   net/virtio-user: support memory hotplug

Series applied to dpdk-next-net/master, thanks.