linux-kernel - Re: [PATCH V8 3/3] virtio-net: reset virtqueue affinity when doing cpu hotplug

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Message-Id: <20130127.012411.1639876926107470174.davem@davemloft.net>
Date:	Sun, 27 Jan 2013 01:24:11 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	gaowanlong@...fujitsu.com
Cc:	linux-kernel@...r.kernel.org, rusty@...tcorp.com.au,
	mst@...hat.com, jasowang@...hat.com, erdnetdev@...il.com,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH V8 3/3] virtio-net: reset virtqueue affinity when doing
 cpu hotplug

From: Wanlong Gao <gaowanlong@...fujitsu.com>
Date: Fri, 25 Jan 2013 17:51:31 +0800

> Add a cpu notifier to virtio-net, so that we can reset the
> virtqueue affinity if the cpu hotplug happens. It improve
> the performance through enabling or disabling the virtqueue
> affinity after doing cpu hotplug.
> 
> Cc: Rusty Russell <rusty@...tcorp.com.au>
> Cc: "Michael S. Tsirkin" <mst@...hat.com>
> Cc: Jason Wang <jasowang@...hat.com>
> Cc: Eric Dumazet <erdnetdev@...il.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: virtualization@...ts.linux-foundation.org
> Cc: netdev@...r.kernel.org
> Signed-off-by: Wanlong Gao <gaowanlong@...fujitsu.com>
> Acked-by: Michael S. Tsirkin <mst@...hat.com>

Applied.
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