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Subject[PATCH RFC v2 06/16] virtio: make endian-ness depend on virtio 1.0
virtio 1.0 is LE, virtio without 1.0 is native endian.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
include/linux/virtio_config.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 7d46280..be0f6dd 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -157,11 +157,11 @@ int virtqueue_set_affinity(struct virtqueue *vq, int cpu)
#define DEFINE_VIRTIO_XX_TO_CPU(bits) \
static inline u##bits virtio##bits##_to_cpu(struct virtio_device *vdev, __virtio##bits val) \
{ \
- return __virtio##bits##_to_cpu(false, val); \
+ return __virtio##bits##_to_cpu(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); \
} \
static inline __virtio##bits cpu_to_virtio##bits(struct virtio_device *vdev, u##bits val) \
{ \
- return __cpu_to_virtio##bits(false, val); \
+ return __cpu_to_virtio##bits(virtio_has_feature(vdev, VIRTIO_F_VERSION_1), val); \
}

DEFINE_VIRTIO_XX_TO_CPU(16)
--
MST


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