If I select X86_64_ACPI_NUMA, then ACPI_NUMA is (properly) selected automatically, but ACPI is not selected automatically. This causes ACPI_NUMA to not be built, and the kernel compile fails with unresolved symbols.
Steps to reproduce: make clean make mrproper make noallconfig select SMP select NUMA select X86_64_ACPI_NUMA make <boom> results: LD .tmp_vmlinux1 drivers/built-in.o: In function `acpi_bus_generate_event': (.text+0x23365): undefined reference to `event_is_open' drivers/built-in.o: In function `acpi_bus_get_power': (.text+0x2361d): undefined reference to `acpi_power_get_inferred_state' drivers/built-in.o: In function `acpi_bus_set_power': (.text+0x23733): undefined reference to `acpi_power_transition' drivers/built-in.o: In function `acpi_bus_set_power': (.text+0x237a5): undefined reference to `acpi_power_transition' make: *** [.tmp_vmlinux1] Error 1 James /\V - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/