ACPI support itself doesn't need CPU_IDLE, only ACPI_PROCESSOR does, so only ACPI_PROCESSOR should select CPU_IDLE. Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> --- drivers/acpi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.36-rc7.orig/drivers/acpi/Kconfig 2010-10-10 13:23:02.000000000 +0200 +++ linux-2.6.36-rc7/drivers/acpi/Kconfig 2010-10-10 13:23:08.000000000 +0200 @@ -9,7 +9,6 @@ menuconfig ACPI depends on PCI depends on PM select PNP - select CPU_IDLE default y help Advanced Configuration and Power Interface (ACPI) support for @@ -206,6 +205,7 @@ config ACPI_DOCK config ACPI_PROCESSOR tristate "Processor" select THERMAL + select CPU_IDLE default y help This driver installs ACPI as the idle handler for Linux and uses -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html