Displaying 8 results from an estimated 8 matches for "a8041e451e9".
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a8041e451e9e
2019 Oct 25
1
[PATCH] virtio_ring: fix packed ring event may missing
...g last
> used index as replacement. Tx queue will be stopped if there's not
> enough freed buffers after recheck.
>
> Signed-off-by: Marvin Liu <yong.liu at intel.com>
>
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index bdc08244a648..a8041e451e9e 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
> * counter first before updating event flags.
> */
> virtio_wmb(vq->weak_barriers);
> -...
2019 Oct 25
1
[PATCH] virtio_ring: fix packed ring event may missing
...ase of a single s/g this will
give exactly 0.
Alternatively, we can just scan the whole ring up to the index using the
standard logic. virtqueue_enable_cb_delayed_packed is rare enough.
>
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index bdc08244a648..a8041e451e9e 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
> * counter first before updating event flags.
> */
> virtio_wmb(vq->weak_barriers);
> -...
2019 Oct 27
1
[PATCH] virtio_ring: fix stalls for packed rings
...com>
---
So this is what I have in my tree now - this is just Marvin's patch
with a tweaked description.
drivers/virtio/virtio_ring.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index bdc08244a648..a8041e451e9e 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
* counter first before updating event flags.
*/
virtio_wmb(vq->weak_barriers);
- } else {
- used_idx = vq->last...
2019 Oct 24
1
[PATCH] virtio_ring: fix packed ring event may missing
...enough freed buffers after recheck.
>>>>>
>>>>> Signed-off-by: Marvin Liu <yong.liu at intel.com>
>>>>>
>>>>> diff --git a/drivers/virtio/virtio_ring.c
>> b/drivers/virtio/virtio_ring.c
>>>>> index bdc08244a648..a8041e451e9e 100644
>>>>> --- a/drivers/virtio/virtio_ring.c
>>>>> +++ b/drivers/virtio/virtio_ring.c
>>>>> @@ -1499,9 +1499,6 @@ static bool
>>>> virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
>>>>> * counter first befor...
2019 Oct 22
0
[PATCH] virtio_ring: fix packed ring event may missing
...ing last
> used index as replacement. Tx queue will be stopped if there's not
> enough freed buffers after recheck.
>
> Signed-off-by: Marvin Liu <yong.liu at intel.com>
>
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index bdc08244a648..a8041e451e9e 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
> * counter first before updating event flags.
> */
> virtio_wmb(vq->weak_barriers);
>...
2019 Nov 14
0
[PATCH 1/1] virtio_ring: fix return code on DMA mapping fails
...the patch with virtio-blk and virtio-net (thanks!). We
should look into how other virtio devices behave when DMA mapping fails.
---
drivers/virtio/virtio_ring.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index a8041e451e9e..867c7ebd3f10 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -583,7 +583,7 @@ static inline int virtqueue_add_split(struct virtqueue *_vq,
kfree(desc);
END_USE(vq);
- return -EIO;
+ return -ENOMEM;
}
static bool virtqueue_kick_prepare_split(struct virtqu...
2019 Oct 22
0
[PATCH] virtio_ring: fix packed ring event may missing
...e will be stopped if there's not
>>> enough freed buffers after recheck.
>>>
>>> Signed-off-by: Marvin Liu <yong.liu at intel.com>
>>>
>>> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
>>> index bdc08244a648..a8041e451e9e 100644
>>> --- a/drivers/virtio/virtio_ring.c
>>> +++ b/drivers/virtio/virtio_ring.c
>>> @@ -1499,9 +1499,6 @@ static bool
>> virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
>>> * counter first before updating event flags.
>>>...
2019 Oct 27
0
[PATCH] virtio_ring: fix packed ring event may missing
...be sub-optimal, let's do exactly this for now.
And applied this.
Thanks a lot for working on this, and sorry again for not understanding
the patch originally and thinking it was not tested!
> diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
> index bdc08244a648..a8041e451e9e 100644
> --- a/drivers/virtio/virtio_ring.c
> +++ b/drivers/virtio/virtio_ring.c
> @@ -1499,9 +1499,6 @@ static bool virtqueue_enable_cb_delayed_packed(struct virtqueue *_vq)
> * counter first before updating event flags.
> */
> virtio_wmb(vq->weak_barriers);
> -...