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...his virtqueue_kick() call to after END_USE() call. Signed-off-by: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> --- drivers/virtio/virtio_ring.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 00ec6b3..596735b 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -245,14 +245,14 @@ static inline int virtqueue_add(struct virtqueue *_vq, vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) + 1); vq->nu...

...his virtqueue_kick() call to after END_USE() call. Signed-off-by: Tetsuo Handa <penguin-kernel at I-love.SAKURA.ne.jp> --- drivers/virtio/virtio_ring.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 00ec6b3..596735b 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -245,14 +245,14 @@ static inline int virtqueue_add(struct virtqueue *_vq, vq->vring.avail->idx = cpu_to_virtio16(_vq->vdev, virtio16_to_cpu(_vq->vdev, vq->vring.avail->idx) + 1); vq->nu...

...n one buffer added. Cheers, Rusty. > Signed-off-by: Jason Wang <jasowang at redhat.com> > --- > drivers/virtio/virtio_ring.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 00ec6b3..545fed5 100644 > --- a/drivers/virtio/virtio_ring.c > +++ b/drivers/virtio/virtio_ring.c > @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) > * entry. Always do both to keep code simple. */ > vq->vring.avail->flags &= cpu_to_virtio16(_vq-&g...

...n one buffer added. Cheers, Rusty. > Signed-off-by: Jason Wang <jasowang at redhat.com> > --- > drivers/virtio/virtio_ring.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 00ec6b3..545fed5 100644 > --- a/drivers/virtio/virtio_ring.c > +++ b/drivers/virtio/virtio_ring.c > @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) > * entry. Always do both to keep code simple. */ > vq->vring.avail->flags &= cpu_to_virtio16(_vq-&g...

...RSION_1); + + if (device_features & (1ULL << VIRTIO_F_VERSION_1)) dev->features = driver_features & device_features; else dev->features = driver_features_legacy & device_features; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 55532a4..00ec6b3 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -780,6 +780,8 @@ void vring_transport_features(struct virtio_device *vdev) break; case VIRTIO_RING_F_EVENT_IDX: break; + case VIRTIO_F_VERSION_1: + break; default: /* We don't understand this bi...

...correct this by only calculate the four thirds when bufs is not one. Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/virtio/virtio_ring.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 00ec6b3..545fed5 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) * entry. Always do both to keep code simple. */ vq->vring.avail->flags &= cpu_to_virtio16(_vq->vdev, ~VRING_AVAIL_F_NO...

...RSION_1); + + if (device_features & (1ULL << VIRTIO_F_VERSION_1)) dev->features = driver_features & device_features; else dev->features = driver_features_legacy & device_features; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 55532a4..00ec6b3 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -780,6 +780,8 @@ void vring_transport_features(struct virtio_device *vdev) break; case VIRTIO_RING_F_EVENT_IDX: break; + case VIRTIO_F_VERSION_1: + break; default: /* We don't understand this bi...

...correct this by only calculate the four thirds when bufs is not one. Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/virtio/virtio_ring.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 00ec6b3..545fed5 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) * entry. Always do both to keep code simple. */ vq->vring.avail->flags &= cpu_to_virtio16(_vq->vdev, ~VRING_AVAIL_F_NO...

...> > Signed-off-by: Jason Wang <jasowang at redhat.com> > > --- > > drivers/virtio/virtio_ring.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > index 00ec6b3..545fed5 100644 > > --- a/drivers/virtio/virtio_ring.c > > +++ b/drivers/virtio/virtio_ring.c > > @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) > > * entry. Always do both to keep code simple. */ > > vq->vring.avail->flags &amp...

...> > Signed-off-by: Jason Wang <jasowang at redhat.com> > > --- > > drivers/virtio/virtio_ring.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > > index 00ec6b3..545fed5 100644 > > --- a/drivers/virtio/virtio_ring.c > > +++ b/drivers/virtio/virtio_ring.c > > @@ -636,7 +636,10 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) > > * entry. Always do both to keep code simple. */ > > vq->vring.avail->flags &amp...

Hi: This is a new version of trying to enable tx interrupts for virtio-net. We used to try to avoid tx interrupts and orphan packets before transmission for virtio-net. This breaks socket accounting and can lead serveral other side effects e.g: - Several other functions which depends on socket accounting can not work correctly (e.g TCP Small Queue) - No tx completion which make BQL or

Hi: This is a new version of trying to enable tx interrupts for virtio-net. We used to try to avoid tx interrupts and orphan packets before transmission for virtio-net. This breaks socket accounting and can lead serveral other side effects e.g: - Several other functions which depends on socket accounting can not work correctly (e.g TCP Small Queue) - No tx completion which make BQL or