diff options
Diffstat (limited to 'arch/x86/include/asm/topology.h')
-rw-r--r-- | arch/x86/include/asm/topology.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 4e2f2e0aab2..77cfb2cfb38 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h | |||
@@ -74,6 +74,8 @@ static inline const struct cpumask *cpumask_of_node(int node) | |||
74 | return &node_to_cpumask_map[node]; | 74 | return &node_to_cpumask_map[node]; |
75 | } | 75 | } |
76 | 76 | ||
77 | static inline void setup_node_to_cpumask_map(void) { } | ||
78 | |||
77 | #else /* CONFIG_X86_64 */ | 79 | #else /* CONFIG_X86_64 */ |
78 | 80 | ||
79 | /* Mappings between node number and cpus on that node. */ | 81 | /* Mappings between node number and cpus on that node. */ |
@@ -83,7 +85,8 @@ extern cpumask_t *node_to_cpumask_map; | |||
83 | DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); | 85 | DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); |
84 | 86 | ||
85 | /* Returns the number of the current Node. */ | 87 | /* Returns the number of the current Node. */ |
86 | #define numa_node_id() read_pda(nodenumber) | 88 | DECLARE_PER_CPU(int, node_number); |
89 | #define numa_node_id() percpu_read(node_number) | ||
87 | 90 | ||
88 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS | 91 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS |
89 | extern int cpu_to_node(int cpu); | 92 | extern int cpu_to_node(int cpu); |
@@ -102,10 +105,7 @@ static inline int cpu_to_node(int cpu) | |||
102 | /* Same function but used if called before per_cpu areas are setup */ | 105 | /* Same function but used if called before per_cpu areas are setup */ |
103 | static inline int early_cpu_to_node(int cpu) | 106 | static inline int early_cpu_to_node(int cpu) |
104 | { | 107 | { |
105 | if (early_per_cpu_ptr(x86_cpu_to_node_map)) | 108 | return early_per_cpu(x86_cpu_to_node_map, cpu); |
106 | return early_per_cpu_ptr(x86_cpu_to_node_map)[cpu]; | ||
107 | |||
108 | return per_cpu(x86_cpu_to_node_map, cpu); | ||
109 | } | 109 | } |
110 | 110 | ||
111 | /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ | 111 | /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ |
@@ -122,6 +122,8 @@ static inline cpumask_t node_to_cpumask(int node) | |||
122 | 122 | ||
123 | #endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ | 123 | #endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ |
124 | 124 | ||
125 | extern void setup_node_to_cpumask_map(void); | ||
126 | |||
125 | /* | 127 | /* |
126 | * Replace default node_to_cpumask_ptr with optimized version | 128 | * Replace default node_to_cpumask_ptr with optimized version |
127 | * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" | 129 | * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" |
@@ -192,9 +194,20 @@ extern int __node_distance(int, int); | |||
192 | 194 | ||
193 | #else /* !CONFIG_NUMA */ | 195 | #else /* !CONFIG_NUMA */ |
194 | 196 | ||
195 | #define numa_node_id() 0 | 197 | static inline int numa_node_id(void) |
196 | #define cpu_to_node(cpu) 0 | 198 | { |
197 | #define early_cpu_to_node(cpu) 0 | 199 | return 0; |
200 | } | ||
201 | |||
202 | static inline int cpu_to_node(int cpu) | ||
203 | { | ||
204 | return 0; | ||
205 | } | ||
206 | |||
207 | static inline int early_cpu_to_node(int cpu) | ||
208 | { | ||
209 | return 0; | ||
210 | } | ||
198 | 211 | ||
199 | static inline const cpumask_t *cpumask_of_node(int node) | 212 | static inline const cpumask_t *cpumask_of_node(int node) |
200 | { | 213 | { |
@@ -209,6 +222,8 @@ static inline int node_to_first_cpu(int node) | |||
209 | return first_cpu(cpu_online_map); | 222 | return first_cpu(cpu_online_map); |
210 | } | 223 | } |
211 | 224 | ||
225 | static inline void setup_node_to_cpumask_map(void) { } | ||
226 | |||
212 | /* | 227 | /* |
213 | * Replace default node_to_cpumask_ptr with optimized version | 228 | * Replace default node_to_cpumask_ptr with optimized version |
214 | * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" | 229 | * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)" |