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authorEli Cohen <elic@nvidia.com>2021-04-08 12:10:46 +0300
committerMichael S. Tsirkin <mst@redhat.com>2021-04-09 12:08:27 -0400
commit4b454a82418dd76d8c0590bb3f7a99a63ea57dc5 (patch)
tree03de024620006bc0e0510b1de235028a525a8353
parentb2ae0a2db8a2d42a643590c4935faf61fedf553b (diff)
vdpa/mlx5: Fix wrong use of bit numbers
VIRTIO_F_VERSION_1 is a bit number. Use BIT_ULL() with mask conditionals. Also, in mlx5_vdpa_is_little_endian() use BIT_ULL for consistency with the rest of the code. Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices") Signed-off-by: Eli Cohen <elic@nvidia.com> Link: https://lore.kernel.org/r/20210408091047.4269-5-elic@nvidia.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--drivers/vdpa/mlx5/net/mlx5_vnet.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index a49ebb250253..6fe61fc57790 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -820,7 +820,7 @@ static int create_virtqueue(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque
MLX5_SET(virtio_q, vq_ctx, event_qpn_or_msix, mvq->fwqp.mqp.qpn);
MLX5_SET(virtio_q, vq_ctx, queue_size, mvq->num_ent);
MLX5_SET(virtio_q, vq_ctx, virtio_version_1_0,
- !!(ndev->mvdev.actual_features & VIRTIO_F_VERSION_1));
+ !!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_F_VERSION_1)));
MLX5_SET64(virtio_q, vq_ctx, desc_addr, mvq->desc_addr);
MLX5_SET64(virtio_q, vq_ctx, used_addr, mvq->device_addr);
MLX5_SET64(virtio_q, vq_ctx, available_addr, mvq->driver_addr);
@@ -1554,7 +1554,7 @@ static void clear_virtqueues(struct mlx5_vdpa_net *ndev)
static inline bool mlx5_vdpa_is_little_endian(struct mlx5_vdpa_dev *mvdev)
{
return virtio_legacy_is_little_endian() ||
- (mvdev->actual_features & (1ULL << VIRTIO_F_VERSION_1));
+ (mvdev->actual_features & BIT_ULL(VIRTIO_F_VERSION_1));
}
static __virtio16 cpu_to_mlx5vdpa16(struct mlx5_vdpa_dev *mvdev, u16 val)