cpumask: remove obsolete topology_core_siblings and topology_thread_siblings: x86

[safe/jmp/linux-2.6] / arch / x86 / include / asm / topology.h

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 90ac771..f7c20d0 100644 (file)
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -61,13 +61,21 @@ static inline int cpu_to_node(int cpu)
  *
  * Side note: this function creates the returned cpumask on the stack
  * so with a high NR_CPUS count, excessive stack space is used.  The
- * node_to_cpumask_ptr function should be used whenever possible.
+ * cpumask_of_node function should be used whenever possible.
  */
 static inline cpumask_t node_to_cpumask(int node)
 {
        return node_to_cpumask_map[node];
 }
 
+/* Returns a bitmask of CPUs on Node 'node'. */
+static inline const struct cpumask *cpumask_of_node(int node)
+{
+       return &node_to_cpumask_map[node];
+}
+
+static inline void setup_node_to_cpumask_map(void) { }
+
 #else /* CONFIG_X86_64 */
 
 /* Mappings between node number and cpus on that node. */
@@ -77,12 +85,13 @@ extern cpumask_t *node_to_cpumask_map;
 DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map);
 
 /* Returns the number of the current Node. */
-#define numa_node_id()         read_pda(nodenumber)
+DECLARE_PER_CPU(int, node_number);
+#define numa_node_id()         percpu_read(node_number)
 
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
 extern int cpu_to_node(int cpu);
 extern int early_cpu_to_node(int cpu);
-extern const cpumask_t *_node_to_cpumask_ptr(int node);
+extern const cpumask_t *cpumask_of_node(int node);
 extern cpumask_t node_to_cpumask(int node);
 
 #else  /* !CONFIG_DEBUG_PER_CPU_MAPS */
@@ -96,14 +105,11 @@ static inline int cpu_to_node(int cpu)
 /* Same function but used if called before per_cpu areas are setup */
 static inline int early_cpu_to_node(int cpu)
 {
-       if (early_per_cpu_ptr(x86_cpu_to_node_map))
-               return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu];
-
-       return per_cpu(x86_cpu_to_node_map, cpu);
+       return early_per_cpu(x86_cpu_to_node_map, cpu);
 }
 
 /* Returns a pointer to the cpumask of CPUs on Node 'node'. */
-static inline const cpumask_t *_node_to_cpumask_ptr(int node)
+static inline const cpumask_t *cpumask_of_node(int node)
 {
        return &node_to_cpumask_map[node];
 }
@@ -116,12 +122,17 @@ static inline cpumask_t node_to_cpumask(int node)
 
 #endif /* !CONFIG_DEBUG_PER_CPU_MAPS */
 
-/* Replace default node_to_cpumask_ptr with optimized version */
+extern void setup_node_to_cpumask_map(void);
+
+/*
+ * Replace default node_to_cpumask_ptr with optimized version
+ * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
+ */
 #define node_to_cpumask_ptr(v, node)           \
-               const cpumask_t *v = _node_to_cpumask_ptr(node)
+               const cpumask_t *v = cpumask_of_node(node)
 
 #define node_to_cpumask_ptr_next(v, node)      \
-                          v = _node_to_cpumask_ptr(node)
+                          v = cpumask_of_node(node)
 
 #endif /* CONFIG_X86_64 */
 
@@ -132,7 +143,6 @@ static inline cpumask_t node_to_cpumask(int node)
 #define parent_node(node) (node)
 
 #define pcibus_to_node(bus) __pcibus_to_node(bus)
-#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus)
 
 #ifdef CONFIG_X86_32
 extern unsigned long node_start_pfn[];
@@ -154,7 +164,7 @@ extern unsigned long node_remap_size[];
 
 #endif
 
-/* sched_domains SD_NODE_INIT for NUMAQ machines */
+/* sched_domains SD_NODE_INIT for NUMA machines */
 #define SD_NODE_INIT (struct sched_domain) {           \
        .min_interval           = 8,                    \
        .max_interval           = 32,                   \
@@ -169,8 +179,9 @@ extern unsigned long node_remap_size[];
        .flags                  = SD_LOAD_BALANCE       \
                                | SD_BALANCE_EXEC       \
                                | SD_BALANCE_FORK       \
-                               | SD_SERIALIZE          \
-                               | SD_WAKE_BALANCE,      \
+                               | SD_WAKE_AFFINE        \
+                               | SD_WAKE_BALANCE       \
+                               | SD_SERIALIZE,         \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
 }
@@ -182,11 +193,22 @@ extern int __node_distance(int, int);
 
 #else /* !CONFIG_NUMA */
 
-#define numa_node_id()         0
-#define        cpu_to_node(cpu)        0
-#define        early_cpu_to_node(cpu)  0
+static inline int numa_node_id(void)
+{
+       return 0;
+}
 
-static inline const cpumask_t *_node_to_cpumask_ptr(int node)
+static inline int cpu_to_node(int cpu)
+{
+       return 0;
+}
+
+static inline int early_cpu_to_node(int cpu)
+{
+       return 0;
+}
+
+static inline const cpumask_t *cpumask_of_node(int node)
 {
        return &cpu_online_map;
 }
@@ -199,12 +221,17 @@ static inline int node_to_first_cpu(int node)
        return first_cpu(cpu_online_map);
 }
 
-/* Replace default node_to_cpumask_ptr with optimized version */
+static inline void setup_node_to_cpumask_map(void) { }
+
+/*
+ * Replace default node_to_cpumask_ptr with optimized version
+ * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
+ */
 #define node_to_cpumask_ptr(v, node)           \
-               const cpumask_t *v = _node_to_cpumask_ptr(node)
+               const cpumask_t *v = cpumask_of_node(node)
 
 #define node_to_cpumask_ptr_next(v, node)      \
-                          v = _node_to_cpumask_ptr(node)
+                          v = cpumask_of_node(node)
 #endif
 
 #include <asm-generic/topology.h>
@@ -213,18 +240,17 @@ static inline int node_to_first_cpu(int node)
 /* Returns the number of the first CPU on Node 'node'. */
 static inline int node_to_first_cpu(int node)
 {
-       node_to_cpumask_ptr(mask, node);
-       return first_cpu(*mask);
+       return cpumask_first(cpumask_of_node(node));
 }
 #endif
 
-extern cpumask_t cpu_coregroup_map(int cpu);
+extern const struct cpumask *cpu_coregroup_mask(int cpu);
 
 #ifdef ENABLE_TOPO_DEFINES
 #define topology_physical_package_id(cpu)      (cpu_data(cpu).phys_proc_id)
 #define topology_core_id(cpu)                  (cpu_data(cpu).cpu_core_id)
-#define topology_core_siblings(cpu)            (per_cpu(cpu_core_map, cpu))
-#define topology_thread_siblings(cpu)          (per_cpu(cpu_sibling_map, cpu))
+#define topology_core_cpumask(cpu)             (&per_cpu(cpu_core_map, cpu))
+#define topology_thread_cpumask(cpu)           (&per_cpu(cpu_sibling_map, cpu))
 
 /* indicates that pointers to the topology cpumask_t maps are valid */
 #define arch_provides_topology_pointers                yes
@@ -238,7 +264,7 @@ struct pci_bus;
 void set_pci_bus_resources_arch_default(struct pci_bus *b);
 
 #ifdef CONFIG_SMP
-#define mc_capable()                   (boot_cpu_data.x86_max_cores > 1)
+#define mc_capable()   (cpus_weight(per_cpu(cpu_core_map, 0)) != nr_cpu_ids)
 #define smt_capable()                  (smp_num_siblings > 1)
 #endif