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 <jasow...@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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
