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authorIngo Molnar <mingo@elte.hu>2008-07-06 08:23:39 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-06 08:23:39 -0400
commit68083e05d72d94f347293d8cc0067050ba904bfa (patch)
tree842e71365bd90866be7add181661a4039d891564 /drivers/virtio/virtio_ring.c
parent7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff)
parentb7279469d66b55119784b8b9529c99c1955fe747 (diff)
Merge commit 'v2.6.26-rc9' into cpus4096
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 937a49d6772c..72bf8bc09014 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -227,7 +227,6 @@ static bool vring_enable_cb(struct virtqueue *_vq)
227 struct vring_virtqueue *vq = to_vvq(_vq); 227 struct vring_virtqueue *vq = to_vvq(_vq);
228 228
229 START_USE(vq); 229 START_USE(vq);
230 BUG_ON(!(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT));
231 230
232 /* We optimistically turn back on interrupts, then check if there was 231 /* We optimistically turn back on interrupts, then check if there was
233 * more to do. */ 232 * more to do. */
@@ -254,13 +253,6 @@ irqreturn_t vring_interrupt(int irq, void *_vq)
254 if (unlikely(vq->broken)) 253 if (unlikely(vq->broken))
255 return IRQ_HANDLED; 254 return IRQ_HANDLED;
256 255
257 /* Other side may have missed us turning off the interrupt,
258 * but we should preserve disable semantic for virtio users. */
259 if (unlikely(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) {
260 pr_debug("virtqueue interrupt after disable for %p\n", vq);
261 return IRQ_HANDLED;
262 }
263
264 pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback); 256 pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback);
265 if (vq->vq.callback) 257 if (vq->vq.callback)
266 vq->vq.callback(&vq->vq); 258 vq->vq.callback(&vq->vq);