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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 29 Sep 2014 10:09:32 +0200
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Subject: Re: [Qemu-devel] [PATCH] vnc: return directly if no vnc client
	connected
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To: arei.gonglei@huawei.com
Cc: ChenLiang <chenliang88@huawei.com>, weidong.huang@huawei.com, qemu-devel@nongnu.org, armbru@redhat.com

On Mo, 2014-09-29 at 15:00 +0800, arei.gonglei@huawei.com wrote:
> graphic_hw_update and vnc_refresh_server_surface aren't
> need to do when no vnc client connected. It can reduce
> lock contention, because vnc_refresh will hold global big
> lock two millisecond every three seconds.

Added to vnc patch queue.

thanks,
  Gerd