Re: [PATCH 2/2] vdpa/mlx5: Initialize CVQ iotlb spinlock

From: Eli Cohen
Date: Mon Feb 13 2023 - 07:24:58 EST



On 13/02/2023 14:19, Michael S. Tsirkin wrote:
On Mon, Feb 06, 2023 at 02:20:16PM +0200, Eli Cohen wrote:
Initialize itolb spinlock.

Fixes: 5262912ef3cf ("vdpa/mlx5: Add support for control VQ and MAC setting")
Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
threading was broken here but whatevs.
What exactly do you mean by "threading was broken". Is it because I sent two unrelated fixes together appearing as patch 1/2 and 2/2?

---
drivers/vdpa/mlx5/core/resources.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/vdpa/mlx5/core/resources.c b/drivers/vdpa/mlx5/core/resources.c
index 45ad41287a31..d5a59c9035fb 100644
--- a/drivers/vdpa/mlx5/core/resources.c
+++ b/drivers/vdpa/mlx5/core/resources.c
@@ -233,6 +233,7 @@ static int init_ctrl_vq(struct mlx5_vdpa_dev *mvdev)
if (!mvdev->cvq.iotlb)
return -ENOMEM;
+ spin_lock_init(&mvdev->cvq.iommu_lock);
vringh_set_iotlb(&mvdev->cvq.vring, mvdev->cvq.iotlb, &mvdev->cvq.iommu_lock);
return 0;
--
2.38.1