Re: [PATCH v4 0/4] Enable vhost-user to be used on BSD systems

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On Fri, Mar 04, 2022 at 11:08:50AM +0100, Sergio Lopez wrote:
> Since QEMU is already able to emulate ioeventfd using pipefd, we're already
> pretty close to supporting vhost-user on non-Linux systems.
> 
> This two patches bridge the gap by:
> 
> 1. Adding a new event_notifier_get_wfd() to return wfd on the places where
>    the peer is expected to write to the notifier.
> 
> 2. Modifying the build system to it allows enabling vhost-user on BSD.
> 
> v1->v2:
>   - Drop: "Allow returning EventNotifier's wfd" (Alex Williamson)
>   - Add: "event_notifier: add event_notifier_get_wfd()" (Alex Williamson)
>   - Add: "vhost: use wfd on functions setting vring call fd"
>   - Rename: "Allow building vhost-user in BSD" to "configure, meson: allow
>     enabling vhost-user on all POSIX systems"
>   - Instead of making possible enabling vhost-user on Linux and BSD systems,
>     allow enabling it on all non-Windows platforms. (Paolo Bonzini)
> 
> v2->v3:
>   - Add a section to docs/interop/vhost-user.rst explaining how vhost-user
>     is supported on non-Linux platforms. (Stefan Hajnoczi)
> 
> v3->v4:
>   - Some documentation fixes. (Stefan Hajnoczi)
>   - Pick up Reviewed-by tags.
> 
> Sergio Lopez (4):
>   event_notifier: add event_notifier_get_wfd()
>   vhost: use wfd on functions setting vring call fd
>   configure, meson: allow enabling vhost-user on all POSIX systems
>   docs: vhost-user: add subsection for non-Linux platforms
> 
>  configure                     |  4 ++--
>  docs/interop/vhost-user.rst   | 20 ++++++++++++++++++++
>  hw/virtio/vhost.c             |  6 +++---
>  include/qemu/event_notifier.h |  1 +
>  meson.build                   |  2 +-
>  util/event_notifier-posix.c   |  5 +++++
>  6 files changed, 32 insertions(+), 6 deletions(-)
> 
> -- 
> 2.35.1
> 
> 

Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>

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