Defined in 2 files as a macro:

• arch/x86/include/asm/hyperv-tlfs.h, line 263 (as a macro)
• tools/testing/selftests/kvm/include/x86_64/hyperv.h, line 71 (as a macro)

Referenced in 3 files:

• arch/x86/hyperv/hv_init.c, line 698
• arch/x86/include/asm/hyperv-tlfs.h, line 286
• arch/x86/kvm/x86.c, line 381