summaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/topology.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/topology.h')
-rw-r--r--arch/s390/include/asm/topology.h28
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index f15f5571ca2b..fa1bfce10370 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -22,21 +22,22 @@ struct cpu_topology_s390 {
cpumask_t drawer_mask;
};
-DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology);
-
-#define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id)
-#define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id)
-#define topology_sibling_cpumask(cpu) \
- (&per_cpu(cpu_topology, cpu).thread_mask)
-#define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id)
-#define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask)
-#define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id)
-#define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask)
-#define topology_drawer_id(cpu) (per_cpu(cpu_topology, cpu).drawer_id)
-#define topology_drawer_cpumask(cpu) (&per_cpu(cpu_topology, cpu).drawer_mask)
+extern struct cpu_topology_s390 cpu_topology[NR_CPUS];
+extern cpumask_t cpus_with_topology;
+
+#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
+#define topology_thread_id(cpu) (cpu_topology[cpu].thread_id)
+#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_mask)
+#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
+#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask)
+#define topology_book_id(cpu) (cpu_topology[cpu].book_id)
+#define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask)
+#define topology_drawer_id(cpu) (cpu_topology[cpu].drawer_id)
+#define topology_drawer_cpumask(cpu) (&cpu_topology[cpu].drawer_mask)
#define mc_capable() 1
+void topology_init_early(void);
int topology_cpu_init(struct cpu *);
int topology_set_cpu_management(int fc);
void topology_schedule_update(void);
@@ -46,6 +47,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu);
#else /* CONFIG_SCHED_TOPOLOGY */
+static inline void topology_init_early(void) { }
static inline void topology_schedule_update(void) { }
static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
static inline void topology_expect_change(void) { }
@@ -65,7 +67,7 @@ static inline void topology_expect_change(void) { }
#define cpu_to_node cpu_to_node
static inline int cpu_to_node(int cpu)
{
- return per_cpu(cpu_topology, cpu).node_id;
+ return cpu_topology[cpu].node_id;
}
/* Returns a pointer to the cpumask of CPUs on node 'node'. */