Symbol: HYPERVISOR_stack_switch
usr/src/uts/i86xpv/os/xen_machdep.c
1012
if ((err = HYPERVISOR_stack_switch(ss, esp)) != 0) {
usr/src/uts/intel/sys/hypervisor.h
208
extern long HYPERVISOR_stack_switch(ulong_t, ulong_t);