xchg_xen_ulong     20 arch/arm/include/asm/xen/events.h #define xchg_xen_ulong(ptr, val) atomic64_xchg(container_of((long long*)(ptr),\
xchg_xen_ulong     20 arch/arm64/include/asm/xen/events.h #define xchg_xen_ulong(ptr, val) xchg((ptr), (val))
xchg_xen_ulong     24 arch/x86/include/asm/xen/events.h #define xchg_xen_ulong(ptr, val) xchg((ptr), (val))