From: Jason Wang <jasowang@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 3/3] vhost_net: basic polling support
Date: Tue, 1 Dec 2015 13:17:49 +0800 [thread overview]
Message-ID: <565D2D7D.4010903@redhat.com> (raw)
In-Reply-To: <20151130124233-mutt-send-email-mst@redhat.com>
On 11/30/2015 06:44 PM, Michael S. Tsirkin wrote:
> On Wed, Nov 25, 2015 at 03:11:29PM +0800, Jason Wang wrote:
>> > This patch tries to poll for new added tx buffer or socket receive
>> > queue for a while at the end of tx/rx processing. The maximum time
>> > spent on polling were specified through a new kind of vring ioctl.
>> >
>> > Signed-off-by: Jason Wang <jasowang@redhat.com>
> One further enhancement would be to actually poll
> the underlying device. This should be reasonably
> straight-forward with macvtap (especially in the
> passthrough mode).
>
>
Yes, it is. I have some patches to do this by replacing
skb_queue_empty() with sk_busy_loop() but for tap. Tests does not show
any improvement but some regression. Maybe it's better to test macvtap.
next prev parent reply other threads:[~2015-12-01 5:17 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-25 7:11 [PATCH net-next 0/3] basic busy polling support for vhost_net Jason Wang
2015-11-25 7:11 ` Jason Wang
2015-11-25 7:11 ` [PATCH net-next 1/3] vhost: introduce vhost_has_work() Jason Wang
2015-11-25 7:11 ` Jason Wang
2015-11-25 7:11 ` [PATCH net-next 2/3] vhost: introduce vhost_vq_more_avail() Jason Wang
2015-11-25 7:11 ` Jason Wang
2015-11-30 8:22 ` Michael S. Tsirkin
2015-11-30 8:22 ` Michael S. Tsirkin
2015-12-01 5:14 ` Jason Wang
2015-12-01 5:14 ` Jason Wang
2015-11-25 7:11 ` [PATCH net-next 3/3] vhost_net: basic polling support Jason Wang
2015-11-25 7:11 ` Jason Wang
2015-11-30 10:44 ` Michael S. Tsirkin
2015-11-30 10:44 ` Michael S. Tsirkin
2015-12-01 5:17 ` Jason Wang [this message]
2015-12-01 14:43 ` Michael S. Tsirkin
2015-12-01 14:43 ` Michael S. Tsirkin
2015-12-02 5:04 ` Jason Wang
2015-12-02 12:36 ` Michael S. Tsirkin
2015-12-04 2:24 ` Jason Wang
2015-12-04 2:24 ` Jason Wang
2015-12-02 12:36 ` Michael S. Tsirkin
2015-12-02 5:04 ` Jason Wang
2015-12-01 5:17 ` Jason Wang
2015-11-30 3:31 ` [PATCH net-next 0/3] basic busy polling support for vhost_net David Miller
2015-11-30 3:31 ` David Miller
2015-11-30 8:22 ` Michael S. Tsirkin
2015-11-30 8:22 ` Michael S. Tsirkin
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