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author | David S. Miller <davem@davemloft.net> | 2008-06-10 02:22:26 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-06-10 02:22:26 -0700 |
commit | 65b53e4cc90e59936733b3b95b9451d2ca47528d (patch) | |
tree | 29932718192962671c48c3fd1ea017a6112459e8 /drivers/virtio | |
parent | 788c0a53164c05c5ccdb1472474372b72ba74644 (diff) | |
parent | 2e761e0532a784816e7e822dbaaece8c5d4be14d (diff) | |
download | kernel_samsung_smdk4412-65b53e4cc90e59936733b3b95b9451d2ca47528d.zip kernel_samsung_smdk4412-65b53e4cc90e59936733b3b95b9451d2ca47528d.tar.gz kernel_samsung_smdk4412-65b53e4cc90e59936733b3b95b9451d2ca47528d.tar.bz2 |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/tg3.c
drivers/net/wireless/rt2x00/rt2x00dev.c
net/mac80211/ieee80211_i.h
Diffstat (limited to 'drivers/virtio')
-rw-r--r-- | drivers/virtio/virtio.c | 8 | ||||
-rw-r--r-- | drivers/virtio/virtio_pci.c | 7 | ||||
-rw-r--r-- | drivers/virtio/virtio_ring.c | 8 |
3 files changed, 7 insertions, 16 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 1386678..0f3c2bb 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -2,6 +2,9 @@ #include <linux/spinlock.h> #include <linux/virtio_config.h> +/* Unique numbering for virtio devices. */ +static unsigned int dev_index; + static ssize_t device_show(struct device *_d, struct device_attribute *attr, char *buf) { @@ -166,7 +169,10 @@ int register_virtio_device(struct virtio_device *dev) int err; dev->dev.bus = &virtio_bus; - sprintf(dev->dev.bus_id, "%u", dev->index); + + /* Assign a unique device index and hence name. */ + dev->index = dev_index++; + sprintf(dev->dev.bus_id, "virtio%u", dev->index); /* We always start by resetting the device, in case a previous * driver messed it up. This also tests that code path a little. */ diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 27e9fc9..eae72363 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -78,9 +78,6 @@ static struct device virtio_pci_root = { .bus_id = "virtio-pci", }; -/* Unique numbering for devices under the kvm root */ -static unsigned int dev_index; - /* Convert a generic virtio device to our structure */ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) { @@ -325,10 +322,6 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, if (vp_dev == NULL) return -ENOMEM; - snprintf(vp_dev->vdev.dev.bus_id, BUS_ID_SIZE, "virtio%d", dev_index); - vp_dev->vdev.index = dev_index; - dev_index++; - vp_dev->vdev.dev.parent = &virtio_pci_root; vp_dev->vdev.config = &virtio_pci_config_ops; vp_dev->pci_dev = pci_dev; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 937a49d..72bf8bc 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) struct vring_virtqueue *vq = to_vvq(_vq); START_USE(vq); - BUG_ON(!(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)); /* We optimistically turn back on interrupts, then check if there was * more to do. */ @@ -254,13 +253,6 @@ irqreturn_t vring_interrupt(int irq, void *_vq) if (unlikely(vq->broken)) return IRQ_HANDLED; - /* Other side may have missed us turning off the interrupt, - * but we should preserve disable semantic for virtio users. */ - if (unlikely(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) { - pr_debug("virtqueue interrupt after disable for %p\n", vq); - return IRQ_HANDLED; - } - pr_debug("virtqueue callback for %p (%p)\n", vq, vq->vq.callback); if (vq->vq.callback) vq->vq.callback(&vq->vq); |