From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=43742 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1OqXW7-0003sy-GG
	for qemu-devel@nongnu.org; Tue, 31 Aug 2010 16:33:20 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <mst@redhat.com>) id 1OqXW2-0001z1-J9
	for qemu-devel@nongnu.org; Tue, 31 Aug 2010 16:33:15 -0400
Received: from mx1.redhat.com ([209.132.183.28]:29141)
	by eggs.gnu.org with esmtp (Exim 4.69)
	(envelope-from <mst@redhat.com>) id 1OqXW2-0001yx-Bo
	for qemu-devel@nongnu.org; Tue, 31 Aug 2010 16:33:10 -0400
Date: Tue, 31 Aug 2010 23:27:16 +0300
From: "Michael S. Tsirkin" <mst@redhat.com>
Message-ID: <20100831202705.GE31570@redhat.com>
References: <20100827223659.2696.3589.stgit@s20.home>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20100827223659.2696.3589.stgit@s20.home>
Subject: [Qemu-devel] Re: [PATCH 0/5] virtio-net: More configurability and
 bh handling for tx
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: jes.sorensen@redhat.com, qemu-devel@nongnu.org, kvm@vger.kernel.org, kraxel@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(-)
> 
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html