Defined in 2 files as a macro:

• include/xen/interface/xen.h, line 66 (as a macro)
• tools/lib/traceevent/plugin_xen.c, line 28 (as a macro)

Referenced in 2 files:

• arch/x86/xen/xen-asm_32.S, line 140
• arch/x86/xen/xen-asm_64.S, line 31