Re: [Qemu-devel] [PATCH 1/4] virtio: ring sizes vs. reset

2015-09-10 Thread Michael S. Tsirkin
On Thu, Sep 10, 2015 at 12:22:54PM +0200, Cornelia Huck wrote: > On Thu, 10 Sep 2015 12:02:44 +0300 > "Michael S. Tsirkin" wrote: > > > On Fri, Sep 04, 2015 at 10:54:26AM +0200, Cornelia Huck wrote: > > > We allow guests to change the size of the virtqueue rings by supplying > > > a number of buf

Re: [Qemu-devel] [PATCH 1/4] virtio: ring sizes vs. reset

2015-09-10 Thread Cornelia Huck
On Thu, 10 Sep 2015 12:02:44 +0300 "Michael S. Tsirkin" wrote: > On Fri, Sep 04, 2015 at 10:54:26AM +0200, Cornelia Huck wrote: > > We allow guests to change the size of the virtqueue rings by supplying > > a number of buffers that is different from the number of buffers the > > device was initia

Re: [Qemu-devel] [PATCH 1/4] virtio: ring sizes vs. reset

2015-09-10 Thread Michael S. Tsirkin
On Fri, Sep 04, 2015 at 10:54:26AM +0200, Cornelia Huck wrote: > We allow guests to change the size of the virtqueue rings by supplying > a number of buffers that is different from the number of buffers the > device was initialized with. Current code has some problems, however, > since reset does n