IDLE_POLL 701 arch/x86/kernel/process.c if (boot_option_idle_override == IDLE_POLL && smp_num_siblings > 1) IDLE_POLL 704 arch/x86/kernel/process.c if (x86_idle || boot_option_idle_override == IDLE_POLL) IDLE_POLL 757 arch/x86/kernel/process.c boot_option_idle_override = IDLE_POLL; IDLE_POLL 63 drivers/acpi/processor_idle.c return boot_option_idle_override == IDLE_POLL ||