linux-kernel - Re: [PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive

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Message-ID: <51009C67.3090809@cn.fujitsu.com>
Date:	Thu, 24 Jan 2013 10:28:55 +0800
From:	Wanlong Gao <gaowanlong@...fujitsu.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
	Eric Dumazet <erdnetdev@...il.com>,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU
 IDs are not consecutive

On 01/22/2013 09:12 AM, Rusty Russell wrote:
> Wanlong Gao <gaowanlong@...fujitsu.com> writes:
> 
>> As Michael mentioned, set affinity and select queue will not work very
>> well when CPU IDs are not consecutive, this can happen with hot unplug.
>> Fix this bug by traversal the online CPUs, and create a per cpu variable
>> to find the mapping from CPU to the preferable virtual-queue.
> 
> This series looks fairly sane at a glance, to me, but MST is the Ack you
> need.

Hi Michael,

Any comments?

Thanks,
Wanlong Gao

> 
> Thanks,
> Rusty.
> 

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