Andi Kleen wrote:
> On Wednesday 30 May 2007 16:53:41 Anthony Liguori wrote:
>   
>> Subject: [PATCH][PARAVIRT] Eliminate unnecessary CR3 read in TLB flush
>>
>> This patch eliminates the CR3 read (which would cause a VM exit) in the TLB
>> flush path.  The patch is based on Ingo Molnar's paravirt series.
>>
>>     
>
> This change could be just done generically for the native architecture, couldn't 
> it?
>   

Sure.  It adds a few more cycles onto native though (two memory reads, 
and some math).  How does the following look?

Regards,

Anthony Liguori

> -Andi
>