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

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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.

OK my attempts to resolve conflicts just created a mess.

I dropped these for now, could you pls rebase on top
of linux-next branch in my tree, and repost?
Thanks!


> 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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