diff options
Diffstat (limited to 'include/asm-x86/topology_32.h')
| -rw-r--r-- | include/asm-x86/topology_32.h | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/include/asm-x86/topology_32.h b/include/asm-x86/topology_32.h index e28dbdcc567..35b00067587 100644 --- a/include/asm-x86/topology_32.h +++ b/include/asm-x86/topology_32.h @@ -3,7 +3,7 @@ * * Copyright (C) 2002, IBM Corp. * - * All rights reserved. + * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,34 +22,27 @@ * * Send feedback to <colpatch@us.ibm.com> */ -#ifndef _ASM_I386_TOPOLOGY_H -#define _ASM_I386_TOPOLOGY_H - -#ifdef CONFIG_X86_HT -#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) -#define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) -#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) -#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) -#endif +#ifndef _ASM_X86_TOPOLOGY_H +#define _ASM_X86_TOPOLOGY_H #ifdef CONFIG_NUMA - -#include <asm/mpspec.h> - #include <linux/cpumask.h> +#include <asm/mpspec.h> /* Mappings between logical cpu number and node number */ -extern cpumask_t node_to_cpumask_map[]; extern int cpu_to_node_map[]; +extern cpumask_t node_to_cpumask_map[]; /* Returns the number of the node containing CPU 'cpu' */ static inline int cpu_to_node(int cpu) -{ +{ return cpu_to_node_map[cpu]; } -/* Returns the number of the node containing Node 'node'. This architecture is flat, - so it is a pretty simple function! */ +/* + * Returns the number of the node containing Node 'node'. This + * architecture is flat, so it is a pretty simple function! + */ #define parent_node(node) (node) /* Returns a bitmask of CPUs on Node 'node'. */ @@ -60,13 +53,14 @@ static inline cpumask_t node_to_cpumask(int node) /* Returns the number of the first CPU on Node 'node'. */ static inline int node_to_first_cpu(int node) -{ +{ cpumask_t mask = node_to_cpumask(node); + return first_cpu(mask); } -#define pcibus_to_node(bus) ((struct pci_sysdata *)((bus)->sysdata))->node -#define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)) +#define pcibus_to_node(bus) __pcibus_to_node(bus) +#define pcibus_to_cpumask(bus) __pcibus_to_cpumask(bus) /* sched_domains SD_NODE_INIT for NUMAQ machines */ #define SD_NODE_INIT (struct sched_domain) { \ @@ -99,21 +93,24 @@ extern unsigned long node_remap_size[]; #define node_has_online_mem(nid) (node_start_pfn[nid] != node_end_pfn[nid]) -#else /* !CONFIG_NUMA */ -/* - * Other i386 platforms should define their own version of the - * above macros here. - */ +#else /* CONFIG_NUMA */ #include <asm-generic/topology.h> -#endif /* CONFIG_NUMA */ +#endif extern cpumask_t cpu_coregroup_map(int cpu); +#ifdef CONFIG_X86_HT +#define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) +#define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) +#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) +#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) +#endif + #ifdef CONFIG_SMP -#define mc_capable() (boot_cpu_data.x86_max_cores > 1) -#define smt_capable() (smp_num_siblings > 1) +#define mc_capable() (boot_cpu_data.x86_max_cores > 1) +#define smt_capable() (smp_num_siblings > 1) #endif -#endif /* _ASM_I386_TOPOLOGY_H */ +#endif |