Re: [RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Michael S. Tsirkin
On Wed, Oct 15, 2014 at 06:58:15PM +0800, Jason Wang wrote: > On 10/15/2014 06:41 PM, Michael S. Tsirkin wrote: > > On Wed, Oct 15, 2014 at 06:19:15PM +0800, Jason Wang wrote: > >> On 10/15/2014 05:28 PM, Michael S. Tsirkin wrote: > >>> On Wed, Oct 15, 2014 at 03:25:26PM +0800, Jason Wang wrote: >

Re: [RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Jason Wang
On 10/15/2014 06:41 PM, Michael S. Tsirkin wrote: > On Wed, Oct 15, 2014 at 06:19:15PM +0800, Jason Wang wrote: >> On 10/15/2014 05:28 PM, Michael S. Tsirkin wrote: >>> On Wed, Oct 15, 2014 at 03:25:26PM +0800, Jason Wang wrote: This patch introduces virtio_enable_cb_avail() to publish avail i

Re: [RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Michael S. Tsirkin
On Wed, Oct 15, 2014 at 06:19:15PM +0800, Jason Wang wrote: > On 10/15/2014 05:28 PM, Michael S. Tsirkin wrote: > > On Wed, Oct 15, 2014 at 03:25:26PM +0800, Jason Wang wrote: > >> This patch introduces virtio_enable_cb_avail() to publish avail idx > >> and used event. This could be used by batched

Re: [RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Jason Wang
On 10/15/2014 05:28 PM, Michael S. Tsirkin wrote: > On Wed, Oct 15, 2014 at 03:25:26PM +0800, Jason Wang wrote: >> This patch introduces virtio_enable_cb_avail() to publish avail idx >> and used event. This could be used by batched buffer submitting to >> reduce the number of tx interrupts. >> >> C

Re: [RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Michael S. Tsirkin
On Wed, Oct 15, 2014 at 03:25:26PM +0800, Jason Wang wrote: > This patch introduces virtio_enable_cb_avail() to publish avail idx > and used event. This could be used by batched buffer submitting to > reduce the number of tx interrupts. > > Cc: Rusty Russell > Cc: Michael S. Tsirkin > Signed-off

[RFC PATCH net-next 2/6] virtio: introduce virtio_enable_cb_avail()

2014-10-15 Thread Jason Wang
This patch introduces virtio_enable_cb_avail() to publish avail idx and used event. This could be used by batched buffer submitting to reduce the number of tx interrupts. Cc: Rusty Russell Cc: Michael S. Tsirkin Signed-off-by: Jason Wang --- drivers/virtio/virtio_ring.c | 22