On Mon, Apr 12, 2010 at 04:02:24PM +0800, Xiao Guangrong wrote:
> - 'vcpu' is not used while mark parent unsync, so remove it
> - if it has alread marked unsync, no need to walk it's parent
> 
> Signed-off-by: Xiao Guangrong <xiaoguangr...@cn.fujitsu.com>

Xiao,

Did you actually see this codepath as being performance sensitive? 

I'd prefer to not touch it.

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