This may be useful since it complained of smp_* symbols below.
bash-2.04$ grep SMP .config
# CONFIG_SMP is not set
CONFIG_X86_FIND_SMP_CONFIG=y
-Eric
-----------------------------
        ld -m elf_i386 -e stext -T arch/i386/vmlinux.lds.s arch/i386/kernel/head.o arch/i386/kernel/init_task.o  init/built-in.o --start-group  arch/i386/kernel/built-in.o  arch/i386/mm/built-in.o  arch/i386/mach-voyager/built-in.o  kernel/built-in.o  mm/built-in.o  fs/built-in.o  ipc/built-in.o  security/built-in.o  lib/lib.a  arch/i386/lib/lib.a  drivers/built-in.o  sound/built-in.o  arch/i386/pci/built-in.o  net/built-in.o --end-group  -o .tmp_vmlinux1
arch/i386/kernel/built-in.o: In function `vic_sys_interrupt':
arch/i386/kernel/built-in.o(.text+0x2d65): undefined reference to `smp_vic_sys_interrupt'
arch/i386/kernel/built-in.o: In function `vic_cmn_interrupt':
arch/i386/kernel/built-in.o(.text+0x2d89): undefined reference to `smp_vic_cmn_interrupt'
arch/i386/kernel/built-in.o: In function `vic_cpi_interrupt':
arch/i386/kernel/built-in.o(.text+0x2dad): undefined reference to `smp_vic_cpi_interrupt'
arch/i386/kernel/built-in.o: In function `qic_timer_interrupt':
arch/i386/kernel/built-in.o(.text+0x2dd1): undefined reference to `smp_qic_timer_interrupt'
arch/i386/kernel/built-in.o: In function `qic_invalidate_interrupt':
arch/i386/kernel/built-in.o(.text+0x2df5): undefined reference to `smp_qic_invalidate_interrupt'
arch/i386/kernel/built-in.o: In function `qic_reschedule_interrupt':
arch/i386/kernel/built-in.o(.text+0x2e19): undefined reference to `smp_qic_reschedule_interrupt'
arch/i386/kernel/built-in.o: In function `qic_enable_irq_interrupt':
arch/i386/kernel/built-in.o(.text+0x2e3d): undefined reference to `smp_qic_enable_irq_interrupt'
arch/i386/kernel/built-in.o: In function `qic_call_function_interrupt':
arch/i386/kernel/built-in.o(.text+0x2e61): undefined reference to `smp_qic_call_function_interrupt'
arch/i386/kernel/built-in.o: In function `setup_memory':
arch/i386/kernel/built-in.o(.init.text+0x1160): undefined reference to `find_smp_config'
arch/i386/kernel/built-in.o(__ksymtab+0x10): undefined reference to `machine_real_restart'
arch/i386/mach-voyager/built-in.o: In function `voyager_power_off':
arch/i386/mach-voyager/built-in.o(.text+0x1cd): undefined reference to `voyager_cat_power_off'
arch/i386/mach-voyager/built-in.o: In function `check_from_kernel':
arch/i386/mach-voyager/built-in.o(.text+0x436): undefined reference to `voyager_status'
arch/i386/mach-voyager/built-in.o: In function `check_continuing_condition':
arch/i386/mach-voyager/built-in.o(.text+0x475): undefined reference to `voyager_status'
arch/i386/mach-voyager/built-in.o(.text+0x498): undefined reference to `voyager_cat_psi'
arch/i386/mach-voyager/built-in.o: In function `thread':
arch/i386/mach-voyager/built-in.o(.text+0x592): undefined reference to `voyager_status'
arch/i386/mach-voyager/built-in.o(.text+0x5d6): undefined reference to `voyager_status'
fs/built-in.o: In function `keyed_hash':
fs/built-in.o(.text+0x7d971): undefined reference to `BUG'
fs/built-in.o(.text+0x7da17): undefined reference to `BUG'
fs/built-in.o(.text+0x7da96): undefined reference to `BUG'
net/built-in.o: In function `p8022_request':
net/built-in.o(.text+0x12f26): undefined reference to `llc_build_and_send_ui_pkt'
net/built-in.o: In function `register_8022_client':
net/built-in.o(.text+0x12f7d): undefined reference to `llc_sap_open'
net/built-in.o: In function `unregister_8022_client':
net/built-in.o(.text+0x12fc2): undefined reference to `llc_sap_close'
net/built-in.o: In function `snap_request':
net/built-in.o(.text+0x1314f): undefined reference to `llc_build_and_send_ui_pkt'
net/built-in.o: In function `snap_init':
net/built-in.o(.init.text+0x713): undefined reference to `llc_sap_open'
make: *** [.tmp_vmlinux1] Error 1
-
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