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x86: move cpu_coregroup_map to common file

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it is equal between architectures

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber Costa 2008-03-03 14:13:03 -03:00 committed by Ingo Molnar
parent 768d95051b
commit 70708a18e8
3 changed files with 16 additions and 28 deletions
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16
arch/x86/kernel/smpboot.c
View File

@ -1,6 +1,7 @@
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/module.h>
#include <linux/sched.h>
/* Number of siblings per CPU package */
int smp_num_siblings = 1;
@ -95,6 +96,21 @@ void __cpuinit set_cpu_sibling_map(int cpu)
}
}
/* maps the cpu to the sched domain representing multi-core */
cpumask_t cpu_coregroup_map(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
/*
* For perf, we return last level cache shared map.
* And for power savings, we return cpu_core_map
*/
if (sched_mc_power_savings || sched_smt_power_savings)
return per_cpu(cpu_core_map, cpu);
else
return c->llc_shared_map;
}
#ifdef CONFIG_HOTPLUG_CPU
void remove_siblinginfo(int cpu)
{

14
arch/x86/kernel/smpboot_32.c
View File

@ -260,20 +260,6 @@ static void __cpuinit smp_callin(void)
static int cpucount;
/* maps the cpu to the sched domain representing multi-core */
cpumask_t cpu_coregroup_map(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
/*
* For perf, we return last level cache shared map.
* And for power savings, we return cpu_core_map
*/
if (sched_mc_power_savings || sched_smt_power_savings)
return per_cpu(cpu_core_map, cpu);
else
return c->llc_shared_map;
}
/*
* Activate a secondary processor.
*/

14
arch/x86/kernel/smpboot_64.c
View File

@ -211,20 +211,6 @@ void __cpuinit smp_callin(void)
cpu_set(cpuid, cpu_callin_map);
}
/* maps the cpu to the sched domain representing multi-core */
cpumask_t cpu_coregroup_map(int cpu)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
/*
* For perf, we return last level cache shared map.
* And for power savings, we return cpu_core_map
*/
if (sched_mc_power_savings || sched_smt_power_savings)
return per_cpu(cpu_core_map, cpu);
else
return c->llc_shared_map;
}
/*
* Setup code on secondary processor (after comming out of the trampoline)
*/