Defined in 2 files as a macro:

• arch/x86/include/asm/acenv.h, line 33 (as a macro)
• include/acpi/platform/acenv.h, line 248 (as a macro)

Referenced in 2 files:

• drivers/acpi/acpica/evglock.c, line 221
• include/acpi/platform/acenv.h, line 247