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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 18:24:00 +0200 |
| commit | 83bd6998b04fc1bb7280b14f16b2bdbdc07c914b (patch) | |
| tree | af1bbe2bac5752b69b1ac58bf5d822c735da439b /arch/alpha/include/asm/topology.h | |
| parent | x86: hpet: modify IXP400 quirk to enable interrupts (diff) | |
| parent | Linux 2.6.27-rc6 (diff) | |
| download | linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.tar.xz linux-83bd6998b04fc1bb7280b14f16b2bdbdc07c914b.zip | |
Merge commit 'v2.6.27-rc6' into timers/hpet
Diffstat (limited to 'arch/alpha/include/asm/topology.h')
| -rw-r--r-- | arch/alpha/include/asm/topology.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h new file mode 100644 index 000000000000..149532e162c4 --- /dev/null +++ b/arch/alpha/include/asm/topology.h @@ -0,0 +1,47 @@ +#ifndef _ASM_ALPHA_TOPOLOGY_H +#define _ASM_ALPHA_TOPOLOGY_H + +#include <linux/smp.h> +#include <linux/threads.h> +#include <asm/machvec.h> + +#ifdef CONFIG_NUMA +static inline int cpu_to_node(int cpu) +{ + int node; + + if (!alpha_mv.cpuid_to_nid) + return 0; + + node = alpha_mv.cpuid_to_nid(cpu); + +#ifdef DEBUG_NUMA + BUG_ON(node < 0); +#endif + + return node; +} + +static inline cpumask_t node_to_cpumask(int node) +{ + cpumask_t node_cpu_mask = CPU_MASK_NONE; + int cpu; + + for_each_online_cpu(cpu) { + if (cpu_to_node(cpu) == node) + cpu_set(cpu, node_cpu_mask); + } + +#ifdef DEBUG_NUMA + printk("node %d: cpu_mask: %016lx\n", node, node_cpu_mask); +#endif + + return node_cpu_mask; +} + +#define pcibus_to_cpumask(bus) (cpu_online_map) + +#endif /* !CONFIG_NUMA */ +# include <asm-generic/topology.h> + +#endif /* _ASM_ALPHA_TOPOLOGY_H */ |