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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-02-05 05:50:05 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-02-04 13:50:06 +0100 |
| commit | c6fd47011b4bdebad3f1513bac75fe4895e332ee (patch) | |
| tree | 12224cdb2594be26e02291b142ba6e1e2c1c8122 /drivers/virtio | |
| parent | virtio: Use the sg_phys convenience function. (diff) | |
| download | linux-c6fd47011b4bdebad3f1513bac75fe4895e332ee.tar.xz linux-c6fd47011b4bdebad3f1513bac75fe4895e332ee.zip | |
virtio: Allow virtio to be modular and used by modules
This is needed for the virtio PCI device to be compiled as a module.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/virtio/virtio.c | 8 | ||||
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 4 |
3 files changed, 14 insertions, 2 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 9e33fc4da875..de0c8c2654ef 100644 --- a/drivers/virtio/Kconfig +++ b/drivers/virtio/Kconfig @@ -1,8 +1,8 @@ # Virtio always gets selected by whoever wants it. config VIRTIO - bool + tristate # Similarly the virtio ring implementation. config VIRTIO_RING - bool + tristate depends on VIRTIO diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 7dddb1860936..b535483bc556 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -162,4 +162,12 @@ static int virtio_init(void) panic("virtio bus registration failed"); return 0; } + +static void __exit virtio_exit(void) +{ + bus_unregister(&virtio_bus); +} core_initcall(virtio_init); +module_exit(virtio_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 74c245092b5c..3a28c1382131 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -266,6 +266,7 @@ irqreturn_t vring_interrupt(int irq, void *_vq) return IRQ_HANDLED; } +EXPORT_SYMBOL_GPL(vring_interrupt); static struct virtqueue_ops vring_vq_ops = { .add_buf = vring_add_buf, @@ -318,9 +319,12 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, return &vq->vq; } +EXPORT_SYMBOL_GPL(vring_new_virtqueue); void vring_del_virtqueue(struct virtqueue *vq) { kfree(to_vvq(vq)); } +EXPORT_SYMBOL_GPL(vring_del_virtqueue); +MODULE_LICENSE("GPL"); |