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| author | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:54:15 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-04 11:59:45 +0100 |
| commit | a2e71271535fde493c32803b1f34789f97efcb5e (patch) | |
| tree | 90d7139bea2f49e947f27af92614fa6eca50b64d /drivers/virtio | |
| parent | 6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff) | |
| parent | b419148e567728f6af0c3b01965c1cc141e3e13a (diff) | |
| download | linux-a2e71271535fde493c32803b1f34789f97efcb5e.tar.gz linux-a2e71271535fde493c32803b1f34789f97efcb5e.tar.bz2 linux-a2e71271535fde493c32803b1f34789f97efcb5e.zip | |
Merge commit 'v2.6.32-rc6' into perf/core
Conflicts:
tools/perf/Makefile
Merge reason: Resolve the conflict, merge to upstream and merge in
perf fixes so we can add a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 3 | ||||
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 27 | ||||
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 3 |
3 files changed, 19 insertions, 14 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 200c22f55130..9dd588042880 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -19,7 +19,6 @@ */ //#define DEBUG #include <linux/virtio.h> -#include <linux/virtio_ids.h> #include <linux/virtio_balloon.h> #include <linux/swap.h> #include <linux/kthread.h> @@ -248,7 +247,7 @@ out: return err; } -static void virtballoon_remove(struct virtio_device *vdev) +static void __devexit virtballoon_remove(struct virtio_device *vdev) { struct virtio_balloon *vb = vdev->priv; diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 4a1f1ebff7bf..28d9cf7cf72f 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -530,19 +530,22 @@ static int vp_try_to_find_vqs(struct virtio_device *vdev, unsigned nvqs, err = PTR_ERR(vqs[i]); goto error_find; } + + if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR) + continue; + /* allocate per-vq irq if available and necessary */ - if (vp_dev->per_vq_vectors) { - snprintf(vp_dev->msix_names[msix_vec], - sizeof *vp_dev->msix_names, - "%s-%s", - dev_name(&vp_dev->vdev.dev), names[i]); - err = request_irq(msix_vec, vring_interrupt, 0, - vp_dev->msix_names[msix_vec], - vqs[i]); - if (err) { - vp_del_vq(vqs[i]); - goto error_find; - } + snprintf(vp_dev->msix_names[msix_vec], + sizeof *vp_dev->msix_names, + "%s-%s", + dev_name(&vp_dev->vdev.dev), names[i]); + err = request_irq(vp_dev->msix_entries[msix_vec].vector, + vring_interrupt, 0, + vp_dev->msix_names[msix_vec], + vqs[i]); + if (err) { + vp_del_vq(vqs[i]); + goto error_find; } } return 0; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index f53600580726..fbd2ecde93e4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -285,6 +285,9 @@ static void *vring_get_buf(struct virtqueue *_vq, unsigned int *len) return NULL; } + /* Only get used array entries after they have been exposed by host. */ + rmb(); + i = vq->vring.used->ring[vq->last_used_idx%vq->vring.num].id; *len = vq->vring.used->ring[vq->last_used_idx%vq->vring.num].len; |