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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

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Pull virtio updates from Michael Tsirkin:
 "Several new features here:

   - Virtio find vqs API has been reworked (required to fix the
     scalability issue we have with adminq, which I hope to merge later
     in the cycle)

   - vDPA driver for Marvell OCTEON

   - virtio fs performance improvement

   - mlx5 migration speedups

  Fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (56 commits)
  virtio: rename virtio_find_vqs_info() to virtio_find_vqs()
  virtio: remove unused virtio_find_vqs() and virtio_find_vqs_ctx() helpers
  virtio: convert the rest virtio_find_vqs() users to virtio_find_vqs_info()
  virtio_balloon: convert to use virtio_find_vqs_info()
  virtiofs: convert to use virtio_find_vqs_info()
  scsi: virtio_scsi: convert to use virtio_find_vqs_info()
  virtio_net: convert to use virtio_find_vqs_info()
  virtio_crypto: convert to use virtio_find_vqs_info()
  virtio_console: convert to use virtio_find_vqs_info()
  virtio_blk: convert to use virtio_find_vqs_info()
  virtio: rename find_vqs_info() op to find_vqs()
  virtio: remove the original find_vqs() op
  virtio: call virtio_find_vqs_info() from virtio_find_single_vq() directly
  virtio: convert find_vqs() op implementations to find_vqs_info()
  virtio_pci: convert vp_*find_vqs() ops to find_vqs_info()
  virtio: introduce virtio_queue_info struct and find_vqs_info() config op
  virtio: make virtio_find_single_vq() call virtio_find_vqs()
  virtio: make virtio_find_vqs() call virtio_find_vqs_ctx()
  caif_virtio: use virtio_find_single_vq() for single virtqueue finding
  vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready()
  ...
This commit is contained in:
Linus Torvalds
2024-07-19 11:57:55 -07:00
parent f66b07c561 6c85d6b653
commit f4f92db439
48 changed files with 2145 additions and 543 deletions
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20
drivers/block/virtio_blk.c
View File

@@ -964,8 +964,7 @@ static int init_vq(struct virtio_blk *vblk)
{
int err;
unsigned short i;
vq_callback_t **callbacks;
const char **names;
struct virtqueue_info *vqs_info;
struct virtqueue **vqs;
unsigned short num_vqs;
unsigned short num_poll_vqs;
@@ -1002,28 +1001,26 @@ static int init_vq(struct virtio_blk *vblk)
if (!vblk->vqs)
return -ENOMEM;
names = kmalloc_array(num_vqs, sizeof(*names), GFP_KERNEL);
callbacks = kmalloc_array(num_vqs, sizeof(*callbacks), GFP_KERNEL);
vqs_info = kcalloc(num_vqs, sizeof(*vqs_info), GFP_KERNEL);
vqs = kmalloc_array(num_vqs, sizeof(*vqs), GFP_KERNEL);
if (!names || !callbacks || !vqs) {
if (!vqs_info || !vqs) {
err = -ENOMEM;
goto out;
}
for (i = 0; i < num_vqs - num_poll_vqs; i++) {
callbacks[i] = virtblk_done;
vqs_info[i].callback = virtblk_done;
snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req.%u", i);
names[i] = vblk->vqs[i].name;
vqs_info[i].name = vblk->vqs[i].name;
}
for (; i < num_vqs; i++) {
callbacks[i] = NULL;
snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%u", i);
names[i] = vblk->vqs[i].name;
vqs_info[i].name = vblk->vqs[i].name;
}
/* Discover virtqueues and write information to configuration. */
err = virtio_find_vqs(vdev, num_vqs, vqs, callbacks, names, &desc);
err = virtio_find_vqs(vdev, num_vqs, vqs, vqs_info, &desc);
if (err)
goto out;
@@ -1035,8 +1032,7 @@ static int init_vq(struct virtio_blk *vblk)
out:
kfree(vqs);
kfree(callbacks);
kfree(names);
kfree(vqs_info);
if (err)
kfree(vblk->vqs);
return err;