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SubjectRe: [2/2] powerpc/pseries: Declare optional dummy function for find_and_online_cpu_nid
On Mon, 2018-02-12 at 22:34:08 UTC, Guenter Roeck wrote:
> Commit e67e02a544e9 ("powerpc/pseries: Fix cpu hotplug crash with
> memoryless nodes") adds an unconditional call to find_and_online_cpu_nid(),
> which is only declared if CONFIG_PPC_SPLPAR is enabled. This results in
> the following build error if this is not the case.
> arch/powerpc/platforms/pseries/hotplug-cpu.o: In function `dlpar_online_cpu':
> arch/powerpc/platforms/pseries/hotplug-cpu.c:369:
> undefined reference to `.find_and_online_cpu_nid'
> Follow the guideline provided by similar functions and provide a dummy
> function if CONFIG_PPC_SPLPAR is not enabled. This also moves the external
> function declaration into an include file where it should be.
> Fixes: e67e02a544e9 ("powerpc/pseries: Fix cpu hotplug crash with ...")
> Cc: Michael Bringmann <>
> Cc: Michael Ellerman <>
> Cc: Nathan Fontenot <>
> Signed-off-by: Guenter Roeck <>

Applied to powerpc fixes, thanks.


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