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

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On Tue, Aug 04, 2020 at 01:30:32PM -0600, Mathieu Poirier wrote:
> On Tue, 4 Aug 2020 at 08:07, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> >
> > On Tue, Aug 04, 2020 at 07:37:49AM -0600, Mathieu Poirier wrote:
> > > On Mon, 3 Aug 2020 at 14:47, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> > > >
> > > > On Mon, Aug 03, 2020 at 07:25:24AM -0600, Mathieu Poirier wrote:
> > > > > On Thu, 30 Jul 2020 at 23:47, Guennadi Liakhovetski
> > > > > <guennadi.liakhovetski@xxxxxxxxxxxxxxx> wrote:
> > > > > >
> > > > > > 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?
> > > > >
> > > > > I suggest to keep it whole for now.
> > > >
> > > >
> > > > Ok can I get some acks please?
> > >
> > > Yes, as soon as I have the opportunity to review the work.  There is a
> > > lot of volume on the linux-remoteproc mailing list lately and
> > > patchsets are reviewed in the order they have been received.
> >
> > Well the merge window is open, I guess I'll merge this and
> > any issues can be addressed later then?
> 
> Please don't do that.  I prefer to miss a merge window than impacting
> upstream consumers.  This patch will be reviewed, just not in time for
> this merge window.

OK then.


> >
> > > > Also, I put this in my linux-next branch on
> > > >
> > > > https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
> > > >
> > > > there were some conflicts - could you pls test and report it's ok?
> > > >
> > > > > >
> > > > > > 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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