Displaying 3 results from an estimated 3 matches for "virtio_ccw_prob".
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virtio_ccw_probe
2013 Dec 13
0
[PATCH v4 RFC 1/3] virtio_ccw: fix vcdev pointer handling issues
...tatic void virtio_ccw_int_handler(struct ccw_device *cdev,
struct virtqueue *vq;
struct virtio_driver *drv;
+ if (!vcdev)
+ return;
/* Check if it's a notification from the host. */
if ((intparm == 0) &&
(scsw_stctl(&irb->scsw) ==
@@ -985,23 +987,37 @@ static int virtio_ccw_probe(struct ccw_device *cdev)
return 0;
}
+static struct virtio_ccw_device *virtio_grab_drvdata(struct ccw_device *cdev)
+{
+ unsigned long flags;
+ struct virtio_ccw_device *vcdev;
+
+ spin_lock_irqsave(get_ccwdev_lock(cdev), flags);
+ vcdev = dev_get_drvdata(&cdev->dev);
+ if (!vcdev) {
+...
2013 Dec 13
7
[PATCH v4 RFC 0/3] virtio: add 'device_lost' to virtio_device
Hi, here is my v4 patch-set update to the v3 RFC submitted on Nov 27th.
When an active virtio block device is hot-unplugged from a KVM guest,
affected guest user applications are not aware of any errors that occur
due to the lost device. This patch-set adds code to avoid further request
queueing when a lost block device is detected, resulting in appropriate
error info. Additionally a potential
2013 Dec 13
7
[PATCH v4 RFC 0/3] virtio: add 'device_lost' to virtio_device
Hi, here is my v4 patch-set update to the v3 RFC submitted on Nov 27th.
When an active virtio block device is hot-unplugged from a KVM guest,
affected guest user applications are not aware of any errors that occur
due to the lost device. This patch-set adds code to avoid further request
queueing when a lost block device is detected, resulting in appropriate
error info. Additionally a potential