Re: [Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-08 Thread Marc-André Lureau
Hi - Original Message - > > > > - the vhost-user-backend is a helper object spawning, setting up and > > > > holding a connection to a backend > > > > - the vhost-user socket is set to be fd 3 in child process > > > > > > Which implies a 1:1 relationship between object and backend. Which

Re: [Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-08 Thread Gerd Hoffmann
On Di, 2016-06-07 at 11:01 -0400, Marc-André Lureau wrote: > Hi > > - Original Message - > > On Mo, 2016-06-06 at 15:54 +0200, Marc-André Lureau wrote: > > > Hi Gerd > > > > > > Thanks for your feedback on the series. Your remarks are all valid, > > > but before doing more work I would li

Re: [Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-07 Thread Marc-André Lureau
Hi - Original Message - > On Mo, 2016-06-06 at 15:54 +0200, Marc-André Lureau wrote: > > Hi Gerd > > > > Thanks for your feedback on the series. Your remarks are all valid, > > but before doing more work I would like to know if there is enough > > interest. It duplicates work and adds som

Re: [Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-07 Thread Gerd Hoffmann
On Mo, 2016-06-06 at 15:54 +0200, Marc-André Lureau wrote: > Hi Gerd > > Thanks for your feedback on the series. Your remarks are all valid, > but before doing more work I would like to know if there is enough > interest. It duplicates work and adds some complexity. Also, some > general feedback o

Re: [Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-06 Thread Marc-André Lureau
Hi Gerd Thanks for your feedback on the series. Your remarks are all valid, but before doing more work I would like to know if there is enough interest. It duplicates work and adds some complexity. Also, some general feedback on design would be welcome. What is proposed in this series: - the vhos

[Qemu-devel] [RFC 00/14] vhost-user backends for gpu & input virtio devices

2016-06-04 Thread marcandre . lureau
From: Marc-André Lureau Hi, vhost-user allows to drive a virtio device in a seperate process. So far, it has been mainly used with virtio-net. It can work with other devices such as input and gpu, as shown in this series. Some of the benefits of using vhost-user are: - parallelism, since the ba