[Qemu-devel] Re: [PATCH] ioeventfd: minor fixups

[Stefan Hajnoczi]

On Mon, Jan 03, 2011 at 06:38:53PM +0200, Michael S. Tsirkin wrote:
> On Wed, Dec 29, 2010 at 04:52:46PM +0200, Michael S. Tsirkin wrote:
> > This is on top of the ioeventfd patches, and
> > fixes two potential issues when ioeventfd is mixed with vhost-net:
> > - ioeventfd could start running then get stopped for vhost-net.
> >   For example, vm state change handlers run in no particular order.
> >   This would be hard to debug. Prevent this by always running state
> >   callback before ioeventfd start and after ioeventfd stop.
> > - Separate the flags for user-requested ioeventfd and for ioeventfd
> >   being overridden by vhost backend.
> >   This will make it possible to enable/disable vhost depending on
> >   guest behaviour.
> > 
> > I'll probably split this patch in two, and merge into the
> > appropriate patches in the ioeventfd series.
> > 
> > Compile-tested only so far, would appreciate feedback/test reports.
> > 
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> 
> 
> Stefan - just to clarify, I'm waiting for you ack
> to merge this + the ioeventfd patches.

Back from the holidays today.  Will send feedback/ack later today.

Stefan