diff options
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index a83a5c76f620..b2d75efec63a 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -197,6 +197,7 @@ static bool vdpasim_blk_handle_req(struct vdpasim *vdpasim, static void vdpasim_blk_work(struct work_struct *work) { struct vdpasim *vdpasim = container_of(work, struct vdpasim, work); + bool reschedule = false; int i; spin_lock(&vdpasim->lock); @@ -206,6 +207,7 @@ static void vdpasim_blk_work(struct work_struct *work) for (i = 0; i < VDPASIM_BLK_VQ_NUM; i++) { struct vdpasim_virtqueue *vq = &vdpasim->vqs[i]; + int reqs = 0; if (!vq->ready) continue; @@ -218,10 +220,18 @@ static void vdpasim_blk_work(struct work_struct *work) if (vringh_need_notify_iotlb(&vq->vring) > 0) vringh_notify(&vq->vring); local_bh_enable(); + + if (++reqs > 4) { + reschedule = true; + break; + } } } out: spin_unlock(&vdpasim->lock); + + if (reschedule) + schedule_work(&vdpasim->work); } static void vdpasim_blk_get_config(struct vdpasim *vdpasim, void *config) |