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[S390] topology: expose core identifier

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Provide a topology_core_id define which makes sure that the contents of
/sys/devices/system/cpu/cpuX/topology/core_id
indeed do contain the core id and not always 0.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2010-05-17 10:00:12 +02:00
committed by Martin Schwidefsky
parent 2dedf0d9ea
commit 10d3858950
2 changed files with 8 additions and 1 deletions
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2
arch/s390/include/asm/topology.h
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@@ -7,8 +7,10 @@
const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
extern unsigned char cpu_core_id[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
#define topology_core_id(cpu) (cpu_core_id[cpu])
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
int topology_set_cpu_management(int fc);