>Agreed - VHOST_USER_PROTCOL_F_CONFIGURE_MEM_SLOTS is negotiated at the >vhost-user, not virtio layer. The dev->protocol_features flags are taken >from the VHOST_USER_GET_PROTOCOL_FEATURES message, which retrieves the >supported vhost-user features from the backend. See libvhost-user for a >simple reference implementation. > >The VHOST_USER_GET_FEATURES message retrieves the virtio protocol >features, so checking features instead of dev->protocol_features would >incorrectly check the supported virtio features instead of the vhost-user >ones. > >Am I missing something here?
No, you're not missing anything, I am(so is the code I was working with). I hade the message number and feature bit backwards. Thanks for taking the time to read this, your explaination got me back on the right track, I'll go fix the library I was using.
