Messages in this thread | | | Date | Wed, 22 Mar 2006 11:33:35 -0800 | From | Chris Wright <> | Subject | Re: [RFC PATCH 17/35] Segment register changes for Xen |
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* Andi Kleen (ak@suse.de) wrote: > On Wednesday 22 March 2006 07:30, Chris Wright wrote: > > > +#define get_kernel_cs() \ > > + (__KERNEL_CS + (xen_feature(XENFEAT_supervisor_mode_kernel) ? 0 : 1)) > > Under what circumstances is that feature set?
When building hypervisor with that support. It then builds a different hypercall_page for the guest to use, and both co-exist in ring0. It's for running directly on native.
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