[TG3]: Fix race condition when calling register_netdev().
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / topology.h
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1#ifndef _ASM_POWERPC_TOPOLOGY_H
2#define _ASM_POWERPC_TOPOLOGY_H
3#ifdef __KERNEL__
4
5
6struct sys_device;
7struct device_node;
8
9#ifdef CONFIG_NUMA
10
11#include <asm/mmzone.h>
12
13static inline int cpu_to_node(int cpu)
14{
15 return numa_cpu_lookup_table[cpu];
16}
17
18#define parent_node(node) (node)
19
20static inline cpumask_t node_to_cpumask(int node)
21{
22 return numa_cpumask_lookup_table[node];
23}
24
25static inline int node_to_first_cpu(int node)
26{
27 cpumask_t tmp;
28 tmp = node_to_cpumask(node);
29 return first_cpu(tmp);
30}
31
32int of_node_to_nid(struct device_node *device);
33
34struct pci_bus;
35#ifdef CONFIG_PCI
36extern int pcibus_to_node(struct pci_bus *bus);
37#else
38static inline int pcibus_to_node(struct pci_bus *bus)
39{
40 return -1;
41}
42#endif
43
44#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
45 CPU_MASK_ALL : \
46 node_to_cpumask(pcibus_to_node(bus)) \
47 )
48
49/* sched_domains SD_NODE_INIT for PPC64 machines */
50#define SD_NODE_INIT (struct sched_domain) { \
51 .span = CPU_MASK_NONE, \
52 .parent = NULL, \
53 .child = NULL, \
54 .groups = NULL, \
55 .min_interval = 8, \
56 .max_interval = 32, \
57 .busy_factor = 32, \
58 .imbalance_pct = 125, \
59 .cache_nice_tries = 1, \
60 .per_cpu_gain = 100, \
61 .busy_idx = 3, \
62 .idle_idx = 1, \
63 .newidle_idx = 2, \
64 .wake_idx = 1, \
65 .flags = SD_LOAD_BALANCE \
66 | SD_BALANCE_EXEC \
67 | SD_BALANCE_NEWIDLE \
68 | SD_WAKE_IDLE \
69 | SD_SERIALIZE \
70 | SD_WAKE_BALANCE, \
71 .last_balance = jiffies, \
72 .balance_interval = 1, \
73 .nr_balance_failed = 0, \
74}
75
76extern void __init dump_numa_cpu_topology(void);
77
78extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
79extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
80
81#else
82
83static inline int of_node_to_nid(struct device_node *device)
84{
85 return 0;
86}
87
88static inline void dump_numa_cpu_topology(void) {}
89
90static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
91{
92 return 0;
93}
94
95static inline void sysfs_remove_device_from_node(struct sys_device *dev,
96 int nid)
97{
98}
99
100
101#include <asm-generic/topology.h>
102
103#endif /* CONFIG_NUMA */
104
105#ifdef CONFIG_SMP
106#include <asm/cputable.h>
107#define smt_capable() (cpu_has_feature(CPU_FTR_SMT))
108
109#ifdef CONFIG_PPC64
110#include <asm/smp.h>
111
112#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu])
113#endif
114#endif
115
116#endif /* __KERNEL__ */
117#endif /* _ASM_POWERPC_TOPOLOGY_H */