Randconfig build by Fengguang's robot army reported: drivers/built-in.o: In function `extlog_print': >> acpi_extlog.c:(.text+0xcc719): undefined reference to `boot_cpu_physical_apicid' The config had CONFIG_SMP=n so we picked up this defintion from <asm/cpu.h>: #define cpu_physical_id(cpu) boot_cpu_physical_apicid But boot_cpu_physical_apicid is defined in arch/x86/kernel/apic/apic.c which is only built if CONFIG_X86_LOCAL_APIC=y Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx> --- Ingo: This belongs on top of x86/mce branch drivers/acpi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 08eadb4a57cb..e11faae81ed9 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -374,7 +374,7 @@ source "drivers/acpi/apei/Kconfig" config ACPI_EXTLOG tristate "Extended Error Log support" - depends on X86_MCE + depends on X86_MCE && X86_LOCAL_APIC select EFI select UEFI_CPER default n -- 1.8.4.1 -- 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