On Wed, 10 Aug 2005, Zachary Amsden wrote: > Thanks for the feedback. I believe the binary compilation is the same. It is > superfluous in the sense that there is not yet a real use for it, but it is > needed for later developement. > > Xen requires page isolation of system data structures that could be used to > override privilege. Since they do not shadow the GDT, they require the GDT to > be write protected. A side effect of that is that the GDT must be moved to an > isolated page. Thus, the accessors to allow transparently moving the GDT for > a paravirtual build. There is deliberately no effect on the standard build. Thanks for the explanation, i wasn't quite sure what you were planning on doing with the gdt table there. > P.S. Sorry I got your mail address wrong earlier. I mistyped it from the > update to the CREDITS patch. Not a problem, i actually had to double check to make sure i didn't spell it incorrectly too ;)
