On 11/10/20 6:11 PM, Stefan Hajnoczi wrote: > The vhost-user protocol uses the Linux eventfd feature and is typically > connected to Linux kvm.ko ioeventfd and irqfd file descriptors. The > protocol specification in docs/interop/vhost-user.rst does not describe > how platforms without eventfd support work. > > The QEMU vhost-user devices compile on other POSIX host operating > systems because eventfd usage is abstracted in QEMU. The libvhost-user > programs in contrib/ do not compile but we failed to notice since they > are not built by default. > > Make it clear that vhost-user is only supported on Linux for the time > being. If someone wishes to support it on other platforms then the > details can be added to vhost-user.rst and CI jobs can test the feature > to prevent bitrot. > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > configure | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-)
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> Tested-by: Philippe Mathieu-Daudé <phi...@redhat.com>