[Qemu-devel] Re: [PATCH 0/5] virtio-net: More configurability and bh handling for tx

["Michael S. Tsirkin" <mst@redhat.com>]

On Fri, Aug 27, 2010 at 04:36:59PM -0600, Alex Williamson wrote:
> Add the ability to configure the tx_timer timeout and add a bottom
> half tx handler that typically shows a nice perf boost over the
> time based approach.  See last patch for perf details.  Make this
> the new default when the iothread is enabled.  Thanks,
> 
> Alex

As a further thought, maybe it would help to have a
separate namespace for unsupported, developer-only parameters.
Thoughts?

> ---
> 
> Alex Williamson (5):
>       virtio-net: Switch default to new bottom half TX handler for iothread
>       virtio-net: Introduce a new bottom half packet TX
>       virtio-net: Rename tx_timer_active to tx_waiting
>       virtio-net: Limit number of packets sent per TX flush
>       virtio-net: Make tx_timer timeout configurable
> 
> 
>  hw/s390-virtio-bus.c |    6 ++
>  hw/s390-virtio-bus.h |    4 ++
>  hw/syborg_virtio.c   |   10 +++-
>  hw/virtio-net.c      |  129 ++++++++++++++++++++++++++++++++++++++++----------
>  hw/virtio-net.h      |    2 -
>  hw/virtio-pci.c      |   10 +++-
>  hw/virtio.h          |    9 +++
>  7 files changed, 137 insertions(+), 33 deletions(-)
> 
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