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author | H. Peter Anvin <hpa@zytor.com> | 2008-08-27 19:17:07 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2008-08-27 19:17:07 -0700 |
commit | b30a72a7edfc64c8929104d5c2178aca489aa559 (patch) | |
tree | 2b26c155c318d08d946bd2d70cf815dcdb29a243 /arch/alpha/include/asm/topology.h | |
parent | f1c5d30e1d79bbfb60eaf189db862d3cb2bcac92 (diff) | |
parent | c1b362e3b4d331a63915b268a33207311a439d60 (diff) | |
download | kernel-crypto-b30a72a7edfc64c8929104d5c2178aca489aa559.tar.gz kernel-crypto-b30a72a7edfc64c8929104d5c2178aca489aa559.tar.xz kernel-crypto-b30a72a7edfc64c8929104d5c2178aca489aa559.zip |
Merge branch 'x86/urgent' into x86/cpu
Conflicts:
arch/x86/kernel/cpu/cyrix.c
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 00000000000..149532e162c --- /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 */ |