Re: [PATCH v4 0/4] Add a vhost RPMsg API

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Hi Michael,

On Thu, Jul 30, 2020 at 12:08:29PM -0400, Michael S. Tsirkin wrote:
> On Wed, Jul 22, 2020 at 05:09:23PM +0200, Guennadi Liakhovetski wrote:
> > Hi,
> > 
> > Now that virtio-rpmsg endianness fixes have been merged we can 
> > proceed with the next step.
> 
> Which tree is this for?

The essential part of this series is for drivers/vhost, so, I presume 
that should be the target tree as well. There is however a small part 
for the drivers/rpmsg, should I split this series in two or shall we 
first review is as a whole to make its goals clearer?

Thanks
Guennadi

> > v4:
> > - add endianness conversions to comply with the VirtIO standard
> > 
> > v3:
> > - address several checkpatch warnings
> > - address comments from Mathieu Poirier
> > 
> > v2:
> > - update patch #5 with a correct vhost_dev_init() prototype
> > - drop patch #6 - it depends on a different patch, that is currently
> >   an RFC
> > - address comments from Pierre-Louis Bossart:
> >   * remove "default n" from Kconfig
> > 
> > Linux supports RPMsg over VirtIO for "remote processor" / AMP use
> > cases. It can however also be used for virtualisation scenarios,
> > e.g. when using KVM to run Linux on both the host and the guests.
> > This patch set adds a wrapper API to facilitate writing vhost
> > drivers for such RPMsg-based solutions. The first use case is an
> > audio DSP virtualisation project, currently under development, ready
> > for review and submission, available at
> > https://github.com/thesofproject/linux/pull/1501/commits
> > 
> > Thanks
> > Guennadi
> > 
> > Guennadi Liakhovetski (4):
> >   vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl
> >   rpmsg: move common structures and defines to headers
> >   rpmsg: update documentation
> >   vhost: add an RPMsg API
> > 
> >  Documentation/rpmsg.txt          |   6 +-
> >  drivers/rpmsg/virtio_rpmsg_bus.c |  78 +------
> >  drivers/vhost/Kconfig            |   7 +
> >  drivers/vhost/Makefile           |   3 +
> >  drivers/vhost/rpmsg.c            | 375 +++++++++++++++++++++++++++++++
> >  drivers/vhost/vhost_rpmsg.h      |  74 ++++++
> >  include/linux/virtio_rpmsg.h     |  83 +++++++
> >  include/uapi/linux/rpmsg.h       |   3 +
> >  include/uapi/linux/vhost.h       |   4 +-
> >  9 files changed, 553 insertions(+), 80 deletions(-)
> >  create mode 100644 drivers/vhost/rpmsg.c
> >  create mode 100644 drivers/vhost/vhost_rpmsg.h
> >  create mode 100644 include/linux/virtio_rpmsg.h
> > 
> > -- 
> > 2.27.0
> 
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