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[Xen-devel] hypercall execution path?

I'm trying to trace the execution path taken by the system when I make a hypercall from a domU kernel. What I'm seeing in the hypercall entry function in Xen is that the domU eip value points to a location in the domU hypercall page for the __HYPERCALL_sched_op hypercall, even though this is *not* the hypercall that I just called.

Could someone help clarify this for me? Why would the vcpu for the guest domain have this seemingly incorrect eip value?


Bryan D. Payne
Graduate Student, Computer Science
Georgia Tech Information Security Center

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