search for: xa_find

...r_id; + struct vhost_dev *dev = vq->dev; + struct vhost_worker *worker; + + if (!dev->use_worker) + return -EINVAL; + + /* + * We don't support setting a worker on an active vq to make flushing + * and removal simple. + */ + if (vhost_vq_get_backend(vq)) + return -EBUSY; + + worker = xa_find(&dev->worker_xa, &index, UINT_MAX, XA_PRESENT); + if (!worker || worker->id != info->worker_id) + return -ENODEV; + + __vhost_vq_attach_worker(vq, worker); + return 0; +} + +/* Caller must have device mutex */ +static int vhost_new_worker(struct vhost_dev *dev, + struct vhos...

...tate *info) > >> +{ > >> + unsigned long index = info->worker_id; > >> + struct vhost_worker *worker; > >> + > >> + if (!dev->use_worker) > >> + return -EINVAL; > >> + > >> + worker = xa_find(&dev->worker_xa, &index, UINT_MAX, XA_PRESENT); > > > > So we use int for worker_id which conflicts with UINT_MAX here? > > I switched from idr in the last versions to xa last second and added this mistake. > Will fix. > > > > > > struct vhost_worke...

The following patches were built over linux-next which contains various vhost patches in mst's tree and the vhost_task patchset in Christian Brauner's tree: git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git kernel.user_worker branch: https://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux.git/log/?h=kernel.user_worker The latter patchset handles the review comment