Re: [Qemu-devel] [PATCH] tap: set IFF_ONE_QUEUE per default

[Stefan Hajnoczi]

On Fri, Feb 15, 2013 at 09:27:18AM +0100, Peter Lieven wrote:
> historically the kernel queues packets two times. once
> at the device and second in qdisc. this is believed to cause
> interface stalls if one of these queues overruns.
> 
> setting IFF_ONE_QUEUE is the default in kernels >= 3.8. the
> flag is ignored since then. see kernel commit
> 5d097109257c03a71845729f8db6b5770c4bbedc
> 
> Signed-off-by: Peter Lieven <address@hidden>
> ---
>  net/tap-linux.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>