From: Ingo Molnar <mingo@xxxxxxx>
Date: Tue, 12 Apr 2011 08:20:02 +0200
>
> * Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
>> Hi all,
>>
>> After merging the final tree, today's linux-next build (sparc64 defconfig)
>> failed like this:
>>
>> kernel/sched.c:7140: error: 'cpu_coregroup_mask' undeclared here (not in a function)
>>
>> Caused by commit 2c402dc3bb50 ("sched: Unify the sched_domain build
>> functions"). On sparc64, cpu_coregroup_mask is a #define, not a function.
>>
>> I applied tha patch below (idea stolen from s390) whcih could probably be
>> better.
>>
>> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
>> Date: Tue, 12 Apr 2011 13:51:32 +1000
>> Subject: [PATCH] sched: fix sparc64 for sched_domain changes
>>
>> Fixes this compile error:
>>
>> kernel/sched.c:7140: error: 'cpu_coregroup_mask' undeclared here (not in a function)
>>
>> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
>> ---
>> arch/sparc/include/asm/topology_64.h | 6 +++++-
>> 1 files changed, 5 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
>> index 1c79f32..16f477d 100644
>> --- a/arch/sparc/include/asm/topology_64.h
>> +++ b/arch/sparc/include/asm/topology_64.h
>> @@ -65,6 +65,10 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
>> #define smt_capable() (sparc64_multi_core)
>> #endif /* CONFIG_SMP */
>>
>> -#define cpu_coregroup_mask(cpu) (&cpu_core_map[cpu])
>> +extern cpumask_t cpu_core_map[NR_CPUS];
>> +static inline const struct cpumask *cpu_coregroup_mask(int cpu)
>> +{
>> + return &cpu_core_map[cpu];
>> +}
>
> Dave, if this change is fine with you i'd like to queue it up in
> tip:sched/domains.
Yep, it's fine:
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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