Re: [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver

[Oleksandr Andrushchenko]

On 08/18/2017 10:17 AM, Takashi Sakamoto wrote:
> On Aug 18 2017 14:56, Oleksandr Andrushchenko wrote:
> > Taking into account the fact that the backend we have is a user-space 
> > application
> > running on top of ALSA/PulseAudio we cannot get HW pointers from actual
> > hardware by any means (PulseAudio use-case is the most tough thing in 
> > equation)
>
> You mean that any alsa-lib or libpulse applications run on Dom0 as a
> backend driver for the frontend driver on DomU?
No, the sound backend [1] is a user-space application (ALSA/PulseAudio 
client)
which runs as a Xen para-virtual backend in Dom0 and serves all the
frontends running in DomU(s).
Other ALSA/PulseAudio clients in Dom0 are also allowed to run at the
same time.
> Regards
>
> Takashi Sakamoto
Thank you,
Oleksandr

[1] https://github.com/xen-troops/snd_be