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Subject[PATCH] X86_genericarch needs SMP?
From: Randy Dunlap <>

(and CONFIG_X86_SUMMIT=n), kernel build gets:

arch/i386/mach-generic/built-in.o: In function `apicid_to_node':
summit.c:(.text+0x54): undefined reference to `apicid_2_node'

so should X86_GENERICARCH depend on SMP?
or should there be more ifdefs in the source files?

Signed-off-by: Randy Dunlap <>
arch/i386/Kconfig | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

--- linux-2619-rc6g4.orig/arch/i386/Kconfig
+++ linux-2619-rc6g4/arch/i386/Kconfig
@@ -165,8 +165,9 @@ config X86_VISWS
and vice versa. See <file:Documentation/sgi-visws.txt> for details.

- bool "Generic architecture (Summit, bigsmp, ES7000, default)"
- help
+ bool "Generic architecture (Summit, bigsmp, ES7000, default)"
+ depends on SMP
+ help
This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
It is intended for a generic binary kernel.
If you want a NUMA kernel, select ACPI. We need SRAT for NUMA.

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