[Xen-devel] Re: [PATCH] Use hypercalls instead of accessing debug registers directly.

[Arun Sharma <arun.sharma@xxxxxxxxx>]

Ian Pratt wrote:
>  
>
> > Use hypercalls instead of accessing debug registers directly.
>
> Is this based on measurement? If the debug registers aren't on the
> critical path its probably not worth the change. If they are, they
> should probably be part of a multicall.
It's not on the critical path. We probably should just emulate the 
instruction on the GP fault.
        -Arun

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel