Re: [virtio-dev] RFC: Doorbell suppression, packed-ring mode and hardware offload

2019-02-14 Thread Michael S. Tsirkin
On Fri, Feb 15, 2019 at 11:59:55AM +0800, Jason Wang wrote: > > On 2019/2/14 上午11:41, Michael S. Tsirkin wrote: > > > I think it's as simple as increase the avail idx by X? Since descriptor > > > were > > > used in order, device can just read the next X-1 descriptors in this case. > > > > > > Th

Re: [virtio-dev] RFC: Doorbell suppression, packed-ring mode and hardware offload

2019-02-14 Thread Jason Wang
On 2019/2/14 上午11:41, Michael S. Tsirkin wrote: I think it's as simple as increase the avail idx by X? Since descriptor were used in order, device can just read the next X-1 descriptors in this case. Thanks Right so a spec change would be needed, it's not transparent to guest. With the cha

Re: [virtio-dev] [PATCH v2 1/2] content: add virtio file system device

2019-02-14 Thread Stefan Hajnoczi
On Thu, Feb 14, 2019 at 08:20:58AM +0100, Miklos Szeredi wrote: > On Thu, Feb 14, 2019 at 4:33 AM Stefan Hajnoczi wrote: > > > > On Wed, Feb 13, 2019 at 05:47:19PM +0100, Paolo Bonzini wrote: > > > On 13/02/19 07:33, Stefan Hajnoczi wrote: > > > > +Notifications are different from normal requests