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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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