Messages in this thread | | | Date | Mon, 28 Jul 2008 09:45:20 -0400 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] i386: improve double fault handling |
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Ingo Molnar wrote: > > Secondly, task gates are really a relic that should not be proliferated. > Besides the complications in virtualized environments (if more common > things like Big Real Mode are not supported well in virtual mode what do > we expect of more esoteric features as task gates?) it does not get > nearly as much testing on real silicon as other, more mainstream CPU > features. >
I think that using it as a bailout mechanism is going to remain supported and tested. It's just never going to be fast.
-hpa
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