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---
r: 88726
b: refs/heads/master
c: a355352
h: refs/heads/master
v: v3
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Glauber Costa authored and Ingo Molnar committed Apr 17, 2008
1 parent a6e0747 commit ac83e7f
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Showing 5 changed files with 30 additions and 61 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 5382e89670399f9db8a58b3c6f850fa4a94f6cca
refs/heads/master: a355352b97901d987f54ea7c7d7161eb51a3799c
28 changes: 28 additions & 0 deletions trunk/arch/x86/kernel/smpboot.c
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@@ -1,6 +1,34 @@
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/module.h>

/* Number of siblings per CPU package */
int smp_num_siblings = 1;
EXPORT_SYMBOL(smp_num_siblings);

/* Last level cache ID of each logical CPU */
DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;

/* bitmap of online cpus */
cpumask_t cpu_online_map __read_mostly;
EXPORT_SYMBOL(cpu_online_map);

cpumask_t cpu_callin_map;
cpumask_t cpu_callout_map;
cpumask_t cpu_possible_map;
EXPORT_SYMBOL(cpu_possible_map);

/* representing HT siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_sibling_map);
EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);

/* representing HT and core siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_core_map);
EXPORT_PER_CPU_SYMBOL(cpu_core_map);

/* Per CPU bogomips and other parameters */
DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
EXPORT_PER_CPU_SYMBOL(cpu_info);
#ifdef CONFIG_HOTPLUG_CPU

int additional_cpus __initdata = -1;
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27 changes: 0 additions & 27 deletions trunk/arch/x86/kernel/smpboot_32.c
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Expand Up @@ -62,35 +62,8 @@
/* Set if we find a B stepping CPU */
static int __cpuinitdata smp_b_stepping;

/* Number of siblings per CPU package */
int smp_num_siblings = 1;
EXPORT_SYMBOL(smp_num_siblings);

/* Last level cache ID of each logical CPU */
DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;

/* representing HT siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_sibling_map);
EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);

/* representing HT and core siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_core_map);
EXPORT_PER_CPU_SYMBOL(cpu_core_map);

/* bitmap of online cpus */
cpumask_t cpu_online_map __read_mostly;
EXPORT_SYMBOL(cpu_online_map);

cpumask_t cpu_callin_map;
cpumask_t cpu_callout_map;
cpumask_t cpu_possible_map;
EXPORT_SYMBOL(cpu_possible_map);
static cpumask_t smp_commenced_mask;

/* Per CPU bogomips and other parameters */
DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
EXPORT_PER_CPU_SYMBOL(cpu_info);

/* which logical CPU number maps to which CPU (physical APIC ID) */
u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata =
{ [0 ... NR_CPUS-1] = BAD_APICID };
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33 changes: 0 additions & 33 deletions trunk/arch/x86/kernel/smpboot_64.c
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Expand Up @@ -60,42 +60,9 @@
#include <asm/hw_irq.h>
#include <asm/numa.h>

/* Number of siblings per CPU package */
int smp_num_siblings = 1;
EXPORT_SYMBOL(smp_num_siblings);

/* Last level cache ID of each logical CPU */
DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;

/* Bitmask of currently online CPUs */
cpumask_t cpu_online_map __read_mostly;

EXPORT_SYMBOL(cpu_online_map);

/*
* Private maps to synchronize booting between AP and BP.
* Probably not needed anymore, but it makes for easier debugging. -AK
*/
cpumask_t cpu_callin_map;
cpumask_t cpu_callout_map;
cpumask_t cpu_possible_map;
EXPORT_SYMBOL(cpu_possible_map);

/* Per CPU bogomips and other parameters */
DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
EXPORT_PER_CPU_SYMBOL(cpu_info);

/* Set when the idlers are all forked */
int smp_threads_ready;

/* representing HT siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_sibling_map);
EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);

/* representing HT and core siblings of each logical CPU */
DEFINE_PER_CPU(cpumask_t, cpu_core_map);
EXPORT_PER_CPU_SYMBOL(cpu_core_map);

/*
* Trampoline 80x86 program as an array.
*/
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1 change: 1 addition & 0 deletions trunk/include/asm-x86/smp_64.h
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#include <asm/thread_info.h>

extern cpumask_t cpu_initialized;
extern cpumask_t cpu_callin_map;

extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
void *info, int wait);
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