Displaying 5 results from an estimated 5 matches for "key_to_pol".
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key_to_poll
2020 Jun 02
1
[PATCH 1/6] vhost: allow device that does not depend on vhost worker
.../vhost.c
> @@ -166,11 +166,16 @@ static int vhost_poll_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync,
> void *key)
> {
> struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait);
> + struct vhost_work *work = &poll->work;
>
> if (!(key_to_poll(key) & poll->mask))
> return 0;
>
> - vhost_poll_queue(poll);
> + if (!poll->dev->use_worker)
> + work->fn(work);
> + else
> + vhost_poll_queue(poll);
> +
> return 0;
> }
>
So a wakeup function wakes up eventfd directly.
What if user sup...
2020 May 28
0
[PATCH] vdpa: bypass waking up vhost_woker for vdpa vq kick
...dpa_poll_worker(wait_queue_entry_t *wait, unsigned int mode,
> + int sync, void *key)
> +{
> + struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait);
> + struct vhost_virtqueue *vq = container_of(poll, struct vhost_virtqueue,
> + poll);
> +
> + if (!(key_to_poll(key) & poll->mask))
> + return 0;
> +
> + vq->handle_kick(&vq->poll.work);
> +
> + return 0;
> +}
> +
> +void vhost_vdpa_poll_init(struct vhost_dev *dev)
> +{
> + struct vhost_virtqueue *vq;
> + struct vhost_poll *poll;
> + int i;
> +
> +...
2020 May 29
0
[PATCH 1/6] vhost: allow device that does not depend on vhost worker
...s/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -166,11 +166,16 @@ static int vhost_poll_wakeup(wait_queue_entry_t *wait, unsigned mode, int sync,
void *key)
{
struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait);
+ struct vhost_work *work = &poll->work;
if (!(key_to_poll(key) & poll->mask))
return 0;
- vhost_poll_queue(poll);
+ if (!poll->dev->use_worker)
+ work->fn(work);
+ else
+ vhost_poll_queue(poll);
+
return 0;
}
@@ -454,6 +459,7 @@ static size_t vhost_get_desc_size(struct vhost_virtqueue *vq,
void vhost_dev_init(struct vhost_dev...
2020 May 29
12
[PATCH 0/6] vDPA: doorbell mapping
Hi all:
This series introduce basic functionality of doorbell mapping support
for vhost-vDPA. Userspace program may use mmap() to map a the doorbell
of a specific virtqueue into its address space. This is help to reudce
the syscall or vmexit overhead.
A new vdpa_config_ops was introduced to report the location of the
doorbell, vhost_vdpa may then choose to map the doorbell when:
- The doorbell
2020 May 29
12
[PATCH 0/6] vDPA: doorbell mapping
Hi all:
This series introduce basic functionality of doorbell mapping support
for vhost-vDPA. Userspace program may use mmap() to map a the doorbell
of a specific virtqueue into its address space. This is help to reudce
the syscall or vmexit overhead.
A new vdpa_config_ops was introduced to report the location of the
doorbell, vhost_vdpa may then choose to map the doorbell when:
- The doorbell