From e16e12be34648777606a2c03a3526409b38f0e63 Mon Sep 17 00:00:00 2001 From: Michael S. Tsirkin Date: Tue, 7 Oct 2014 16:39:42 +0200 Subject: virtio: use u32, not bitmap for features It seemed like a good idea to use bitmap for features in struct virtio_device, but it's actually a pain, and seems to become even more painful when we get more than 32 feature bits. Just change it to a u32 for now. Based on patch by Rusty. Suggested-by: David Hildenbrand Signed-off-by: Rusty Russell Signed-off-by: Cornelia Huck Signed-off-by: Michael S. Tsirkin Reviewed-by: Cornelia Huck --- include/linux/virtio.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'include/linux/virtio.h') diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 65261a7244fc..7828a7f47c2c 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -101,8 +101,7 @@ struct virtio_device { const struct virtio_config_ops *config; const struct vringh_config_ops *vringh_config; struct list_head vqs; - /* Note that this is a Linux set_bit-style bitmap. */ - unsigned long features[1]; + u32 features; void *priv; }; -- cgit v1.2.3