Re: [PATCH v7 kernel 4/5] virtio-balloon: define flags and head for host request vq

2017-03-07 Thread Michael S. Tsirkin
On Fri, Mar 03, 2017 at 01:40:29PM +0800, Wei Wang wrote: > From: Liang Li > > Define the flags and head struct for a new host request virtual > queue. Guest can get requests from host and then responds to > them on this new virtual queue. > Host can make use of this virtqueue to request the gues

[PATCH v7 kernel 4/5] virtio-balloon: define flags and head for host request vq

2017-03-02 Thread Wei Wang
From: Liang Li Define the flags and head struct for a new host request virtual queue. Guest can get requests from host and then responds to them on this new virtual queue. Host can make use of this virtqueue to request the guest to do some operations, e.g. drop page cache, synchronize file system