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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-05-17 10:00:12 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-05-17 10:00:16 +0200
commit10d3858950557cd3cc05f647ede597114c610177 (patch)
tree5f434f31fb64ef02dc91f99fd895c186379f2b9d /arch/s390/include
parent2dedf0d9eadf39660f2e1686b5d36e4a7515803f (diff)
[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')
-rw-r--r--arch/s390/include/asm/topology.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 6e7211abd95..dc8a67297d0 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);