Defined in 2 files as a macro:

• arch/x86/include/uapi/asm/hyperv.h, line 215 (as a macro)
• drivers/hv/hyperv_vmbus.h, line 66 (as a macro)

Referenced in 2 files:

• arch/x86/kvm/x86.c, line 989
• drivers/hv/vmbus_drv.c, line 73