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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2010-05-17 10:00:12 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-05-17 10:00:16 +0200 |
| commit | 10d3858950557cd3cc05f647ede597114c610177 (patch) | |
| tree | 5f434f31fb64ef02dc91f99fd895c186379f2b9d /arch/s390/include/asm | |
| parent | [S390] dasd: remove uid from devmap (diff) | |
| download | linux-10d3858950557cd3cc05f647ede597114c610177.tar.xz linux-10d3858950557cd3cc05f647ede597114c610177.zip | |
[S390] topology: expose core identifier
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>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/topology.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 6e7211abd950..dc8a67297d0f 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -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); |