Re: [PATCH] i386: improve double fault handling
From: H. Peter Anvin
Date: Mon Jul 28 2008 - 09:46:06 EST
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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