Symbol: __HYPERVISOR_sysctl
usr/src/uts/common/xen/os/hypercall.c
302
return (__hypercall1(__HYPERVISOR_sysctl, (ulong_t)sysctl));
usr/src/uts/i86xpv/io/privcmd_hcall.c
1193
case __HYPERVISOR_sysctl: