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authorJiri Pirko <jiri@nvidia.com>2024-07-16 13:35:52 +0200
committerMichael S. Tsirkin <mst@redhat.com>2024-07-17 05:43:21 -0400
commit6d834691da474ed1c648753d3d3a3ef8379fa1c1 (patch)
tree84d8800247d71bbe4957c79205911808d157a730 /drivers/virtio/virtio_pci_modern.c
parent4c3b54af907e709609d3d8beca92d65e2f0cfd83 (diff)
virtio_pci_modern: remove admin queue serialization lock
The admin queue operations are protected by newly introduced spin lock. To make it possible to issue parallel commands, remove the admin queue serialization lock. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Message-Id: <20240716113552.80599-14-jiri@resnulli.us> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_pci_modern.c')
-rw-r--r--drivers/virtio/virtio_pci_modern.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c
index 608df3263df1..9193c30d640a 100644
--- a/drivers/virtio/virtio_pci_modern.c
+++ b/drivers/virtio/virtio_pci_modern.c
@@ -167,12 +167,9 @@ int vp_modern_admin_cmd_exec(struct virtio_device *vdev,
in_num++;
}
- mutex_lock(&vp_dev->admin_vq.cmd_lock);
ret = virtqueue_exec_admin_cmd(&vp_dev->admin_vq,
le16_to_cpu(cmd->opcode),
sgs, out_num, in_num, cmd);
- mutex_unlock(&vp_dev->admin_vq.cmd_lock);
-
if (ret) {
dev_err(&vdev->dev,
"Failed to execute command on admin vq: %d\n.", ret);
@@ -837,7 +834,6 @@ int virtio_pci_modern_probe(struct virtio_pci_device *vp_dev)
vp_dev->vdev.id = mdev->id;
spin_lock_init(&vp_dev->admin_vq.lock);
- mutex_init(&vp_dev->admin_vq.cmd_lock);
return 0;
}
@@ -845,6 +841,5 @@ void virtio_pci_modern_remove(struct virtio_pci_device *vp_dev)
{
struct virtio_pci_modern_device *mdev = &vp_dev->mdev;
- mutex_destroy(&vp_dev->admin_vq.cmd_lock);
vp_modern_remove(mdev);
}