diff options
author | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 07:34:25 -0400 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 07:34:25 -0400 |
commit | f838bad1b3be8ca0c785ee0e0c570dfda74cf377 (patch) | |
tree | 5a842a8056a708cfad55a20fa8ab733dd94b0903 /drivers/virtio | |
parent | dd919660aacdf4adfcd279556aa03e595f7f0fc2 (diff) | |
parent | 807501475fce0ebe68baedf87f202c3e4ee0d12c (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/virtio')
-rw-r--r-- | drivers/virtio/virtio_balloon.c | 4 | ||||
-rw-r--r-- | drivers/virtio/virtio_pci.c | 22 | ||||
-rw-r--r-- | drivers/virtio/virtio_ring.c | 4 |
3 files changed, 15 insertions, 15 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index c8a4332d1132..0b3efc31ee6d 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c | |||
@@ -152,7 +152,7 @@ static void virtballoon_changed(struct virtio_device *vdev) | |||
152 | wake_up(&vb->config_change); | 152 | wake_up(&vb->config_change); |
153 | } | 153 | } |
154 | 154 | ||
155 | static inline int towards_target(struct virtio_balloon *vb) | 155 | static inline s64 towards_target(struct virtio_balloon *vb) |
156 | { | 156 | { |
157 | u32 v; | 157 | u32 v; |
158 | __virtio_config_val(vb->vdev, | 158 | __virtio_config_val(vb->vdev, |
@@ -176,7 +176,7 @@ static int balloon(void *_vballoon) | |||
176 | 176 | ||
177 | set_freezable(); | 177 | set_freezable(); |
178 | while (!kthread_should_stop()) { | 178 | while (!kthread_should_stop()) { |
179 | int diff; | 179 | s64 diff; |
180 | 180 | ||
181 | try_to_freeze(); | 181 | try_to_freeze(); |
182 | wait_event_interruptible(vb->config_change, | 182 | wait_event_interruptible(vb->config_change, |
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 26f787ddd5ff..c0df924766a7 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c | |||
@@ -37,7 +37,7 @@ struct virtio_pci_device | |||
37 | struct pci_dev *pci_dev; | 37 | struct pci_dev *pci_dev; |
38 | 38 | ||
39 | /* the IO mapping for the PCI config space */ | 39 | /* the IO mapping for the PCI config space */ |
40 | void *ioaddr; | 40 | void __iomem *ioaddr; |
41 | 41 | ||
42 | /* a list of queues so we can dispatch IRQs */ | 42 | /* a list of queues so we can dispatch IRQs */ |
43 | spinlock_t lock; | 43 | spinlock_t lock; |
@@ -111,7 +111,7 @@ static void vp_get(struct virtio_device *vdev, unsigned offset, | |||
111 | void *buf, unsigned len) | 111 | void *buf, unsigned len) |
112 | { | 112 | { |
113 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); | 113 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); |
114 | void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; | 114 | void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; |
115 | u8 *ptr = buf; | 115 | u8 *ptr = buf; |
116 | int i; | 116 | int i; |
117 | 117 | ||
@@ -125,7 +125,7 @@ static void vp_set(struct virtio_device *vdev, unsigned offset, | |||
125 | const void *buf, unsigned len) | 125 | const void *buf, unsigned len) |
126 | { | 126 | { |
127 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); | 127 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); |
128 | void *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; | 128 | void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; |
129 | const u8 *ptr = buf; | 129 | const u8 *ptr = buf; |
130 | int i; | 130 | int i; |
131 | 131 | ||
@@ -177,6 +177,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) | |||
177 | struct virtio_pci_device *vp_dev = opaque; | 177 | struct virtio_pci_device *vp_dev = opaque; |
178 | struct virtio_pci_vq_info *info; | 178 | struct virtio_pci_vq_info *info; |
179 | irqreturn_t ret = IRQ_NONE; | 179 | irqreturn_t ret = IRQ_NONE; |
180 | unsigned long flags; | ||
180 | u8 isr; | 181 | u8 isr; |
181 | 182 | ||
182 | /* reading the ISR has the effect of also clearing it so it's very | 183 | /* 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) | |||
197 | drv->config_changed(&vp_dev->vdev); | 198 | drv->config_changed(&vp_dev->vdev); |
198 | } | 199 | } |
199 | 200 | ||
200 | spin_lock(&vp_dev->lock); | 201 | spin_lock_irqsave(&vp_dev->lock, flags); |
201 | list_for_each_entry(info, &vp_dev->virtqueues, node) { | 202 | list_for_each_entry(info, &vp_dev->virtqueues, node) { |
202 | if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) | 203 | if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) |
203 | ret = IRQ_HANDLED; | 204 | ret = IRQ_HANDLED; |
204 | } | 205 | } |
205 | spin_unlock(&vp_dev->lock); | 206 | spin_unlock_irqrestore(&vp_dev->lock, flags); |
206 | 207 | ||
207 | return ret; | 208 | return ret; |
208 | } | 209 | } |
@@ -214,6 +215,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, | |||
214 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); | 215 | struct virtio_pci_device *vp_dev = to_vp_device(vdev); |
215 | struct virtio_pci_vq_info *info; | 216 | struct virtio_pci_vq_info *info; |
216 | struct virtqueue *vq; | 217 | struct virtqueue *vq; |
218 | unsigned long flags; | ||
217 | u16 num; | 219 | u16 num; |
218 | int err; | 220 | int err; |
219 | 221 | ||
@@ -255,9 +257,9 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, | |||
255 | vq->priv = info; | 257 | vq->priv = info; |
256 | info->vq = vq; | 258 | info->vq = vq; |
257 | 259 | ||
258 | spin_lock(&vp_dev->lock); | 260 | spin_lock_irqsave(&vp_dev->lock, flags); |
259 | list_add(&info->node, &vp_dev->virtqueues); | 261 | list_add(&info->node, &vp_dev->virtqueues); |
260 | spin_unlock(&vp_dev->lock); | 262 | spin_unlock_irqrestore(&vp_dev->lock, flags); |
261 | 263 | ||
262 | return vq; | 264 | return vq; |
263 | 265 | ||
@@ -274,10 +276,11 @@ static void vp_del_vq(struct virtqueue *vq) | |||
274 | { | 276 | { |
275 | struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); | 277 | struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); |
276 | struct virtio_pci_vq_info *info = vq->priv; | 278 | struct virtio_pci_vq_info *info = vq->priv; |
279 | unsigned long flags; | ||
277 | 280 | ||
278 | spin_lock(&vp_dev->lock); | 281 | spin_lock_irqsave(&vp_dev->lock, flags); |
279 | list_del(&info->node); | 282 | list_del(&info->node); |
280 | spin_unlock(&vp_dev->lock); | 283 | spin_unlock_irqrestore(&vp_dev->lock, flags); |
281 | 284 | ||
282 | vring_del_virtqueue(vq); | 285 | vring_del_virtqueue(vq); |
283 | 286 | ||
@@ -385,6 +388,7 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev) | |||
385 | { | 388 | { |
386 | struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); | 389 | struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); |
387 | 390 | ||
391 | unregister_virtio_device(&vp_dev->vdev); | ||
388 | free_irq(pci_dev->irq, vp_dev); | 392 | free_irq(pci_dev->irq, vp_dev); |
389 | pci_set_drvdata(pci_dev, NULL); | 393 | pci_set_drvdata(pci_dev, NULL); |
390 | pci_iounmap(pci_dev, vp_dev->ioaddr); | 394 | pci_iounmap(pci_dev, vp_dev->ioaddr); |
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 3a28c1382131..c2fa5c630813 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c | |||
@@ -214,10 +214,7 @@ static void vring_disable_cb(struct virtqueue *_vq) | |||
214 | { | 214 | { |
215 | struct vring_virtqueue *vq = to_vvq(_vq); | 215 | struct vring_virtqueue *vq = to_vvq(_vq); |
216 | 216 | ||
217 | START_USE(vq); | ||
218 | BUG_ON(vq->vring.avail->flags & VRING_AVAIL_F_NO_INTERRUPT); | ||
219 | vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; | 217 | vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; |
220 | END_USE(vq); | ||
221 | } | 218 | } |
222 | 219 | ||
223 | static bool vring_enable_cb(struct virtqueue *_vq) | 220 | static bool vring_enable_cb(struct virtqueue *_vq) |
@@ -232,7 +229,6 @@ static bool vring_enable_cb(struct virtqueue *_vq) | |||
232 | vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT; | 229 | vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT; |
233 | mb(); | 230 | mb(); |
234 | if (unlikely(more_used(vq))) { | 231 | if (unlikely(more_used(vq))) { |
235 | vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; | ||
236 | END_USE(vq); | 232 | END_USE(vq); |
237 | return false; | 233 | return false; |
238 | } | 234 | } |