[SPARC64]: Proper multi-core scheduling support.

The scheduling domain hierarchy is:

   all cpus -->
      cpus that share an instruction cache -->
          cpus that share an integer execution unit

Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 12 insertions, 4 deletions

diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h
index 03c385de7619..445026fbec35 100644
--- a/include/asm-sparc64/cpudata.h
+++ b/include/asm-sparc64/cpudata.h
@@ -31,7 +31,7 @@ typedef struct {
         unsigned int    ecache_size;
         unsigned int    ecache_line_size;
         int             core_id;
-        unsigned int    __pad3;
+        int             proc_id;
 } cpuinfo_sparc;
 
 DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h
index f76e1492add5..540021268684 100644
--- a/include/asm-sparc64/smp.h
+++ b/include/asm-sparc64/smp.h
@@ -33,6 +33,7 @@ extern cpumask_t phys_cpu_present_map;
 #define cpu_possible_map phys_cpu_present_map
 
 extern cpumask_t cpu_sibling_map[NR_CPUS];
+extern cpumask_t cpu_core_map[NR_CPUS];
 
 /*
  *      General functions that each host system must provide.
diff --git a/include/asm-sparc64/topology.h b/include/asm-sparc64/topology.h
index e0d450d600ec..4880f7ca0b60 100644
--- a/include/asm-sparc64/topology.h
+++ b/include/asm-sparc64/topology.h
@@ -1,12 +1,19 @@
 #ifndef _ASM_SPARC64_TOPOLOGY_H
 #define _ASM_SPARC64_TOPOLOGY_H
 
+#ifdef CONFIG_SMP
 #include <asm/spitfire.h>
-#define smt_capable()   (tlb_type == hypervisor)
-
-#include <asm-generic/topology.h>
 
+#define topology_physical_package_id(cpu)       (cpu_data(cpu).proc_id)
 #define topology_core_id(cpu)                   (cpu_data(cpu).core_id)
+#define topology_core_siblings(cpu)             (cpu_core_map[cpu])
 #define topology_thread_siblings(cpu)           (cpu_sibling_map[cpu])
+#define mc_capable()                            (tlb_type == hypervisor)
+#define smt_capable()                           (tlb_type == hypervisor)
+#endif /* CONFIG_SMP */
+
+#include <asm-generic/topology.h>
+
+#define cpu_coregroup_map(cpu)                  (cpu_core_map[cpu])
 
 #endif /* _ASM_SPARC64_TOPOLOGY_H */