Subject: Re: [net-next PATCH V2] virtio-net: switch to use XPS to choose txq

From: Rusty Russell <[email-masked]>
Date: Tue, 01 Oct 2013 11:24:08 +0930

"Michael S. Tsirkin" <[email-masked]> writes:
> On Mon, Sep 30, 2013 at 03:37:17PM +0800, Jason Wang wrote:
>> We used to use a percpu structure vq_index to record the cpu to queue
>> mapping, this is suboptimal since it duplicates the work of XPS and
>> loses all other XPS functionality such as allowing use to configure
>> their own transmission steering strategy.
>> 
>> So this patch switches to use XPS and suggest a default mapping when
>> the number of cpus is equal to the number of queues. With XPS support,
>> there's no need for keeping per-cpu vq_index and .ndo_select_queue(),
>> so they were removed also.
>> 
>> Cc: Rusty Russell <[email-masked]>
>> Cc: Michael S. Tsirkin <[email-masked]>
>> Signed-off-by: Jason Wang <[email-masked]>
>
> Acked-by: Michael S. Tsirkin <[email-masked]>

Acked-by: Rusty Russell <[email-masked]>

Dave, please apply.

Cheers,
Rusty.