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[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
2017 Dec 07
2
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
...terrupts on guest: 4941299 Packets/interrupt: 6.64 Signed-off-by: Toshiaki Makita <makita.toshiaki at lab.ntt.co.jp> --- drivers/net/virtio_net.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 19a985e..c0db48d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -261,9 +261,12 @@ static void virtqueue_napi_complete(struct napi_struct *napi, int opaque; opaque = virtqueue_enable_cb_prepare(vq); - if (napi_complete_done(napi, processed) && - unlikely(virtqueue_poll(vq,...
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
2017 Dec 07
2
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
...terrupts on guest: 4941299 Packets/interrupt: 6.64 Signed-off-by: Toshiaki Makita <makita.toshiaki at lab.ntt.co.jp> --- drivers/net/virtio_net.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 19a985e..c0db48d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -261,9 +261,12 @@ static void virtqueue_napi_complete(struct napi_struct *napi, int opaque; opaque = virtqueue_enable_cb_prepare(vq); - if (napi_complete_done(napi, processed) && - unlikely(virtqueue_poll(vq,...
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
2017 Dec 07
0
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
...mance in some configs, this might bring it back at least partially. Jason - what do you think? > --- > drivers/net/virtio_net.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index 19a985e..c0db48d 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -261,9 +261,12 @@ static void virtqueue_napi_complete(struct napi_struct *napi, > int opaque; > > opaque = virtqueue_enable_cb_prepare(vq); > - if (napi_complete_done(napi, processed) &&...
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
2017 Dec 07
1
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
...ooks good. Acked-by: Jason Wang <jasowang at redhat.com> > >> --- >> drivers/net/virtio_net.c | 9 ++++++--- >> 1 file changed, 6 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c >> index 19a985e..c0db48d 100644 >> --- a/drivers/net/virtio_net.c >> +++ b/drivers/net/virtio_net.c >> @@ -261,9 +261,12 @@ static void virtqueue_napi_complete(struct napi_struct *napi, >> int opaque; >> >> opaque = virtqueue_enable_cb_prepare(vq); >> - if (napi_complete_d...
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
2017 Dec 07
1
[PATCH net-next] virtio_net: Disable interrupts if napi_complete_done rescheduled napi
...ooks good. Acked-by: Jason Wang <jasowang at redhat.com> > >> --- >> drivers/net/virtio_net.c | 9 ++++++--- >> 1 file changed, 6 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c >> index 19a985e..c0db48d 100644 >> --- a/drivers/net/virtio_net.c >> +++ b/drivers/net/virtio_net.c >> @@ -261,9 +261,12 @@ static void virtqueue_napi_complete(struct napi_struct *napi, >> int opaque; >> >> opaque = virtqueue_enable_cb_prepare(vq); >> - if (napi_complete_d...