Index: linux-wbsd/arch/x86_64/kernel/Makefile =================================================================== --- linux-wbsd/arch/x86_64/kernel/Makefile (revision 153) +++ linux-wbsd/arch/x86_64/kernel/Makefile (working copy) @@ -44,3 +45,4 @@ microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o intel_cacheinfo-y += ../../i386/kernel/cpu/intel_cacheinfo.o quirks-y += ../../i386/kernel/quirks.o +i8237-y += ../../i386/kernel/i8237.o