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${ noResults }
Stefan Hajnoczi
a9a5c473d2
libvhost-user implements several vring features without advertising them. There is no way for the vhost-user master to detect support for these features. Things more or less work today because QEMU assumes the vhost-user backend always implements certain feature bits like VIRTIO_RING_F_EVENT_IDX. This is not documented anywhere. This patch explicitly advertises features implemented in libvhost-user so that the vhost-user master does not need to make undocumented assumptions. Feature bits that libvhost-user now advertises can be removed from vhost-user-blk.c. Devices should not be responsible for advertising vring feature bits, that is libvhost-user's job. Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20200529161338.456017-1-stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> |
6 years ago | |
|---|---|---|
| .. | ||
| Makefile.objs | contrib/vhost-user-blk: introduce a vhost-user-blk sample application | 9 years ago |
| vhost-user-blk.c | libvhost-user: advertise vring features | 6 years ago |