projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _ASM_ALPHA_TOPOLOGY_H |
| 2 | #define _ASM_ALPHA_TOPOLOGY_H | |
| 3 | ||
| 4 | #include <linux/smp.h> | |
| 5 | #include <linux/threads.h> | |
| 6 | #include <asm/machvec.h> | |
| 7 | ||
| 8 | #ifdef CONFIG_NUMA | |
| 9 | static inline int cpu_to_node(int cpu) | |
| 10 | { | |
| 11 | int node; | |
| 12 | ||
| 13 | if (!alpha_mv.cpuid_to_nid) | |
| 14 | return 0; | |
| 15 | ||
| 16 | node = alpha_mv.cpuid_to_nid(cpu); | |
| 17 | ||
| 18 | #ifdef DEBUG_NUMA | |
| 19 | BUG_ON(node < 0); | |
| 20 | #endif | |
| 21 | ||
| 22 | return node; | |
| 23 | } | |
| 24 | ||
| 2258a5bb RR |
25 | extern struct cpumask node_to_cpumask_map[]; |
| 26 | /* FIXME: This is dumb, recalculating every time. But simple. */ | |
| 27 | static const struct cpumask *cpumask_of_node(int node) | |
| 28 | { | |
| 29 | int cpu; | |
| 30 | ||
| 44c36aed AB |
31 | if (node == -1) |
| 32 | return cpu_all_mask; | |
| 33 | ||
| 2258a5bb RR |
34 | cpumask_clear(&node_to_cpumask_map[node]); |
| 35 | ||
| 36 | for_each_online_cpu(cpu) { | |
| 37 | if (cpu_to_node(cpu) == node) | |
| 38 | cpumask_set_cpu(cpu, node_to_cpumask_map[node]); | |
| 39 | } | |
| 40 | ||
| 41 | return &node_to_cpumask_map[node]; | |
| 42 | } | |
| 43 | ||
| 2258a5bb | 44 | #define cpumask_of_pcibus(bus) (cpu_online_mask) |
| 1da177e4 | 45 | |
| 1da177e4 | 46 | #endif /* !CONFIG_NUMA */ |
| aa6b5446 | 47 | # include <asm-generic/topology.h> |
| 1da177e4 LT |
48 | |
| 49 | #endif /* _ASM_ALPHA_TOPOLOGY_H */ |