On Tue, Sep 01, 2009 at 04:06:25PM +0300, Avi Kivity wrote:
> Only reload debug register 6 if we're running with the guest's
> debug registers.  Saves around 150 cycles from the guest lightweight
> exit path.
> 
> dr6 contains a couple of bits that are updated on #DB, so intercept
> that unconditionally and update those bits then.

Applied, thanks.

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