On Tue, May 11, 2010 at 01:46:08PM -0500, Ryan Harper wrote:
> * Michael S. Tsirkin [2010-05-05 16:37]:
> > Generally, the Host end of the virtio ring doesn't need to see where
> > Guest is up to in consuming the ring. However, to completely understand
> > what's going on from the outside, this i
* Michael S. Tsirkin [2010-05-05 16:37]:
> Generally, the Host end of the virtio ring doesn't need to see where
> Guest is up to in consuming the ring. However, to completely understand
> what's going on from the outside, this information must be exposed.
> For example, host can reduce the number
On Fri, May 07, 2010 at 01:03:28PM +0930, Rusty Russell wrote:
> On Thu, 6 May 2010 03:49:46 pm Michael S. Tsirkin wrote:
> > Now, I also added an mb() in guest between read and write so
> > that last used index write can not get ahead of used index read.
> > It does feel good to have it there, but
On Thu, 6 May 2010 03:49:46 pm Michael S. Tsirkin wrote:
> Now, I also added an mb() in guest between read and write so
> that last used index write can not get ahead of used index read.
> It does feel good to have it there, but I can not say why
> it's helpful. Works fine without it, but then thes
On Thu, May 06, 2010 at 12:01:34PM +0930, Rusty Russell wrote:
> On Thu, 6 May 2010 06:28:14 am Michael S. Tsirkin wrote:
> > Rusty,
> > this is a simplified form of a patch you posted in the past.
> > I have a vhost patch that, using this feature, shows external
> > to host bandwidth grow from 5 t
On Thu, 6 May 2010 06:28:14 am Michael S. Tsirkin wrote:
> Rusty,
> this is a simplified form of a patch you posted in the past.
> I have a vhost patch that, using this feature, shows external
> to host bandwidth grow from 5 to 7 GB/s, by avoiding
> an interrupt in the window after previous interru
On 05/05/2010 11:58 PM, Michael S. Tsirkin wrote:
Generally, the Host end of the virtio ring doesn't need to see where
Guest is up to in consuming the ring. However, to completely understand
what's going on from the outside, this information must be exposed.
For example, host can reduce the numb
