<def f='src/src/sys/arch/xen/include/xen.h' l='220' ll='232' type='__uint16_t xen_atomic_cmpxchg16(volatile __uint16_t * ptr, __uint16_t val, __uint16_t newval)'/>
<use f='src/src/sys/arch/xen/xen/xengnt.c' l='307' u='c' c='xengnt_revoke_access'/>
<use f='src/src/sys/arch/xen/xen/xengnt.c' l='344' u='c' c='xengnt_revoke_transfer'/>
