Messages in this thread | | | Date | Wed, 15 Mar 2006 02:13:21 -0800 | From | Chris Wright <> | Subject | Re: [RFC, PATCH 10/24] i386 Vmi descriptor changes |
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* Zachary Amsden (zach@vmware.com) wrote: > Descriptor and trap table cleanups. Add cleanly written accessors for > IDT and GDT gates so the subarch may override them. Note that this > allows the hypervisor to transparently tweak the DPL of the descriptors > as well as the RPL of segments in those descriptors, with no unnecessary > kernel code modification. It also allows the hypervisor implementation > of the VMI to tweak the gates, allowing for custom exception frames or > extra layers of indirection above the guest fault / IRQ handlers.
Nice cleanups, VMI or not.
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