Re: [dpdk-dev] [PATCH v4] vhost: add config change slave msg support

2019-12-20 Thread Tiwei Bie
On Thu, Dec 19, 2019 at 04:54:06PM +0800, Li Feng wrote: > This msg is used to notify qemu that should get the config of backend. > > For example, vhost-user-blk uses this msg to notify guest os the > capacity of backend has changed. > > The need_reply flag is not mandatory because it will block

[dpdk-dev] [PATCH v4] vhost: add config change slave msg support

2019-12-19 Thread Li Feng
This msg is used to notify qemu that should get the config of backend. For example, vhost-user-blk uses this msg to notify guest os the capacity of backend has changed. The need_reply flag is not mandatory because it will block the sender thread and master process will send get_config message to