diff options
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
-rw-r--r-- | drivers/virtio/virtio_pci.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 26f787ddd5f..c0df924766a 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -37,7 +37,7 @@ struct virtio_pci_device struct pci_dev *pci_dev; /* the IO mapping for the PCI config space */ - void *ioaddr; + void __iomem *ioaddr; /* a list of queues so we can dispatch IRQs */ spinlock_t lock; @@ -111,7 +111,7 @@ static void vp_get(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; u8 *ptr = buf; int i; @@ -125,7 +125,7 @@ static void vp_set(struct virtio_device *vdev, unsigned offset, const void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; const u8 *ptr = buf; int i; @@ -177,6 +177,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) struct virtio_pci_device *vp_dev = opaque; struct virtio_pci_vq_info *info; irqreturn_t ret = IRQ_NONE; + unsigned long flags; u8 isr; /* reading the ISR has the effect of also clearing it so it's very @@ -197,12 +198,12 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) drv->config_changed(&vp_dev->vdev); } - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_for_each_entry(info, &vp_dev->virtqueues, node) { if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) ret = IRQ_HANDLED; } - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return ret; } @@ -214,6 +215,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, struct virtio_pci_device *vp_dev = to_vp_device(vdev); struct virtio_pci_vq_info *info; struct virtqueue *vq; + unsigned long flags; u16 num; int err; @@ -255,9 +257,9 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, vq->priv = info; info->vq = vq; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_add(&info->node, &vp_dev->virtqueues); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); return vq; @@ -274,10 +276,11 @@ static void vp_del_vq(struct virtqueue *vq) { struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); struct virtio_pci_vq_info *info = vq->priv; + unsigned long flags; - spin_lock(&vp_dev->lock); + spin_lock_irqsave(&vp_dev->lock, flags); list_del(&info->node); - spin_unlock(&vp_dev->lock); + spin_unlock_irqrestore(&vp_dev->lock, flags); vring_del_virtqueue(vq); @@ -385,6 +388,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev) { struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); + unregister_virtio_device(&vp_dev->vdev); free_irq(pci_dev->irq, vp_dev); pci_set_drvdata(pci_dev, NULL); pci_iounmap(pci_dev, vp_dev->ioaddr); |