Xen context switch

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Xen context switch

IngY Sf

I have a question regarding context switch for PV guest on X64.
Xen saves the registers values within arch.user_regs which includes also the segments registers.
The user_regs contains only the selectors (es,cs,cs ....). What about the Segments attributes, base and limit? How Xen sets them when switching to PV guest. Where does it saves them?


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