Alexander Graf wrote:
> Hi,
>
> this is an improved version of the patch I sent several weeks ago to
> this list. Functionally nothing changed; it still hacks into gfxboot and
> patches it to work on Intel CPUs on the fly. The big difference is that
> this version is cleaned up and should work with every future CPU available.
>
> Please do _not_ apply this patch. I send it to the list only for
> interested people, who would like to have a working version of KVM for
> their systems right now. It is neither a proper fix nor the right
> approach to deal with this issue. It is merely a hack that works for me
> and maybe for others too.
>   

Perhaps a viable way to fix this upstream would be to catch the vmentry 
failure, look to see if SS.CPL != CS.CPL, and if so, invoke 
x86_emulate() in a loop until SS.CPL == CS.CPL.

There are very few instructions in gfxboot that would need to be added 
to x86_emulate (if they aren't already there).

Regards,

Anthony Liguori

> Alex
>
>
>   
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