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virtio: virtio_break_device() to mark all virtqueues broken.

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Good for post-apocalyptic scenarios, like S/390 hotplug.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2014-04-28 11:15:08 +09:30
commit e2dcdfe95c
2 changed files with 17 additions and 0 deletions
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include/linux/virtio.h
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@ -106,6 +106,8 @@ static inline struct virtio_device *dev_to_virtio(struct device *_dev)
int register_virtio_device(struct virtio_device *dev);
void unregister_virtio_device(struct virtio_device *dev);
void virtio_break_device(struct virtio_device *dev);
/**
* virtio_driver - operations for a virtio I/O driver
* @driver: underlying device driver (populate name and owner).