Extern or forward variable declaration at include/acpi/processor.h, line 46 References: arch/x86/kernel/acpi/cstate.c, line 74 arch/x86/kernel/acpi/cstate.c, line 116 arch/x86/kernel/acpi/cstate.c, line 153 drivers/acpi/processor_idle.c, line 68 drivers/acpi/processor_idle.c, line 135 drivers/acpi/processor_idle.c, line 176 drivers/acpi/processor_idle.c, line 193 drivers/acpi/processor_idle.c, line 196 drivers/acpi/processor_idle.c, line 381 drivers/acpi/processor_idle.c, line 501 drivers/acpi/processor_idle.c, line 589 drivers/acpi/processor_idle.c, line 689 drivers/acpi/processor_idle.c, line 721 drivers/acpi/processor_idle.c, line 744 drivers/acpi/processor_idle.c, line 774 drivers/acpi/processor_idle.c, line 822 drivers/acpi/processor_idle.c, line 909 drivers/acpi/processor_idle.c, line 954 drivers/cpufreq/longhaul.c, line 71 drivers/xen/xen-acpi-processor.c, line 66 include/acpi/processor.h, line 46 include/acpi/processor.h, line 58 include/acpi/processor.h, line 70 include/acpi/processor.h, line 74 include/acpi/processor.h, line 254 include/acpi/processor.h, line 256 include/acpi/processor.h, line 266 include/acpi/processor.h, line 272