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authorJ. Bruce Fields <bfields@citi.umich.edu>2008-07-03 16:24:06 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-07-03 16:24:06 -0400
commite86322f611eef95aafaf726fd3965e5b211f1985 (patch)
tree28547e26df4fc6ae671dc8cc6912a53717e4db08 /drivers/virtio/virtio_ring.c
parentb001a1b6aa960949a24c2cdc28257dfcc9428d74 (diff)
parent8948896c9e098c6fd31a6a698a598a7cbd7fa40e (diff)
Merge branch 'for-bfields' of git://linux-nfs.org/~tomtucker/xprt-switch-2.6 into for-2.6.27
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);