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Re: [PATCH] x86-64: invalidate sysenter


On Fri, May 06, 2005 at 06:15:00PM +0200, Jan Beulich wrote:
> >> >sysenter is supported on EM64T. Don't apply it.
> >> 
> >> It can't (in 64-bit more) because it doesn't add new MSRs to support that...
> >> 
> >
> >It is documented in EM64T manual. Are you saying the manual is
> >wrong?
> 
> I suppose so (there are very many inconsistencies in these manuals).
> 

I checked with our people. sysenter is valid instruction in 64bit
mode on EM64T although today's Linux doesn't support it for system
calls.

Please don't apply the patch.


H.J.


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