From c6fd47011b4bdebad3f1513bac75fe4895e332ee Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Mon, 4 Feb 2008 23:50:05 -0500 Subject: [PATCH] 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 Signed-off-by: Rusty Russell --- drivers/virtio/Kconfig | 4 ++-- drivers/virtio/virtio.c | 8 ++++++++ drivers/virtio/virtio_ring.c | 4 ++++ 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig index 9e33fc4da87..de0c8c2654e 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 7dddb186093..b535483bc55 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 74c245092b5..3a28c138213 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"); -- 2.41.1